The Tor Browser: browser/devtools/sourceeditor/test/cm_vim_test.js@6474c204b198 (annotated)

browser/devtools/sourceeditor/test/cm_vim_test.js@6474c204b198 (annotated)

browser/devtools/sourceeditor/test/cm_vim_test.js

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 var code = '' +
 ' wOrd1 (#%\n' +
 ' word3] \n' +
 'aopop pop 0 1 2 3 4\n' +
 ' (a) [b] {c} \n' +
 'int getchar(void) {\n' +
 '  static char buf[BUFSIZ];\n' +
 '  static char *bufp = buf;\n' +
 '  if (n == 0) {  /* buffer is empty */\n' +
 '    n = read(0, buf, sizeof buf);\n' +
 '    bufp = buf;\n' +
 '  }\n' +
 '\n' +
 '  return (--n >= 0) ? (unsigned char) *bufp++ : EOF;\n' +
 ' \n' +
 '}\n';
 var lines = (function() {
   lineText = code.split('\n');
   var ret = [];
   for (var i = 0; i < lineText.length; i++) {
     ret[i] = {
       line: i,
       length: lineText[i].length,
       lineText: lineText[i],
       textStart: /^\s*/.exec(lineText[i])[0].length
     };
   }
   return ret;
 })();
 var endOfDocument = makeCursor(lines.length - 1,
     lines[lines.length - 1].length);
 var wordLine = lines[0];
 var bigWordLine = lines[1];
 var charLine = lines[2];
 var bracesLine = lines[3];
 var seekBraceLine = lines[4];
 var word1 = {
   start: { line: wordLine.line, ch: 1 },
   end: { line: wordLine.line, ch: 5 }
 };
 var word2 = {
   start: { line: wordLine.line, ch: word1.end.ch + 2 },
   end: { line: wordLine.line, ch: word1.end.ch + 4 }
 };
 var word3 = {
   start: { line: bigWordLine.line, ch: 1 },
   end: { line: bigWordLine.line, ch: 5 }
 };
 var bigWord1 = word1;
 var bigWord2 = word2;
 var bigWord3 = {
   start: { line: bigWordLine.line, ch: 1 },
   end: { line: bigWordLine.line, ch: 7 }
 };
 var bigWord4 = {
   start: { line: bigWordLine.line, ch: bigWord1.end.ch + 3 },
   end: { line: bigWordLine.line, ch: bigWord1.end.ch + 7 }
 };
 var oChars = [ { line: charLine.line, ch: 1 },
     { line: charLine.line, ch: 3 },
     { line: charLine.line, ch: 7 } ];
 var pChars = [ { line: charLine.line, ch: 2 },
     { line: charLine.line, ch: 4 },
     { line: charLine.line, ch: 6 },
     { line: charLine.line, ch: 8 } ];
 var numChars = [ { line: charLine.line, ch: 10 },
     { line: charLine.line, ch: 12 },
     { line: charLine.line, ch: 14 },
     { line: charLine.line, ch: 16 },
     { line: charLine.line, ch: 18 }];
 var parens1 = {
   start: { line: bracesLine.line, ch: 1 },
   end: { line: bracesLine.line, ch: 3 }
 };
 var squares1 = {
   start: { line: bracesLine.line, ch: 5 },
   end: { line: bracesLine.line, ch: 7 }
 };
 var curlys1 = {
   start: { line: bracesLine.line, ch: 9 },
   end: { line: bracesLine.line, ch: 11 }
 };
 var seekOutside = {
   start: { line: seekBraceLine.line, ch: 1 },
   end: { line: seekBraceLine.line, ch: 16 }
 };
 var seekInside = {
   start: { line: seekBraceLine.line, ch: 14 },
   end: { line: seekBraceLine.line, ch: 11 }
 };
 function copyCursor(cur) {
   return { ch: cur.ch, line: cur.line };
 }
 function forEach(arr, func) {
   for (var i = 0; i < arr.length; i++) {
     func(arr[i]);
   }
 }
 function testVim(name, run, opts, expectedFail) {
   var vimOpts = {
     lineNumbers: true,
     vimMode: true,
     showCursorWhenSelecting: true,
     value: code
   };
   for (var prop in opts) {
     if (opts.hasOwnProperty(prop)) {
       vimOpts[prop] = opts[prop];
     }
   }
   return test('vim_' + name, function() {
     var place = document.getElementById("testground");
     var cm = CodeMirror(place, vimOpts);
     var vim = CodeMirror.Vim.maybeInitVimState_(cm);
     function doKeysFn(cm) {
       return function(args) {
         if (args instanceof Array) {
           arguments = args;
         }
         for (var i = 0; i < arguments.length; i++) {
           CodeMirror.Vim.handleKey(cm, arguments[i]);
         }
       }
     }
     function doInsertModeKeysFn(cm) {
       return function(args) {
         if (args instanceof Array) { arguments = args; }
         function executeHandler(handler) {
           if (typeof handler == 'string') {
             CodeMirror.commands[handler](cm);
           } else {
             handler(cm);
           }
           return true;
         }
         for (var i = 0; i < arguments.length; i++) {
           var key = arguments[i];
           // Find key in keymap and handle.
           var handled = CodeMirror.lookupKey(key, ['vim-insert'], executeHandler);
           // Record for insert mode.
           if (handled === true && cm.state.vim.insertMode && arguments[i] != 'Esc') {
             var lastChange = CodeMirror.Vim.getVimGlobalState_().macroModeState.lastInsertModeChanges;
             if (lastChange) {
               lastChange.changes.push(new CodeMirror.Vim.InsertModeKey(key));
             }
           }
         }
       }
     }
     function doExFn(cm) {
       return function(command) {
         cm.openDialog = helpers.fakeOpenDialog(command);
         helpers.doKeys(':');
       }
     }
     function assertCursorAtFn(cm) {
       return function(line, ch) {
         var pos;
         if (ch == null && typeof line.line == 'number') {
           pos = line;
         } else {
           pos = makeCursor(line, ch);
         }
         eqPos(pos, cm.getCursor());
       }
     }
     function fakeOpenDialog(result) {
       return function(text, callback) {
         return callback(result);
       }
     }
     function fakeOpenNotification(matcher) {
       return function(text) {
         matcher(text);
       }
     }
     var helpers = {
       doKeys: doKeysFn(cm),
       // Warning: Only emulates keymap events, not character insertions. Use
       // replaceRange to simulate character insertions.
       // Keys are in CodeMirror format, NOT vim format.
       doInsertModeKeys: doInsertModeKeysFn(cm),
       doEx: doExFn(cm),
       assertCursorAt: assertCursorAtFn(cm),
       fakeOpenDialog: fakeOpenDialog,
       fakeOpenNotification: fakeOpenNotification,
       getRegisterController: function() {
         return CodeMirror.Vim.getRegisterController();
       }
     }
     CodeMirror.Vim.resetVimGlobalState_();
     var successful = false;
     var savedOpenNotification = cm.openNotification;
     try {
       run(cm, vim, helpers);
       successful = true;
     } finally {
       cm.openNotification = savedOpenNotification;
       if (!successful || verbose) {
         place.style.visibility = "visible";
       } else {
         place.removeChild(cm.getWrapperElement());
       }
     }
   }, expectedFail);
 };
 testVim('qq@q', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('q', 'q', 'l', 'l', 'q');
   helpers.assertCursorAt(0,2);
   helpers.doKeys('@', 'q');
   helpers.assertCursorAt(0,4);
 }, { value: '            '});
 testVim('@@', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('q', 'q', 'l', 'l', 'q');
   helpers.assertCursorAt(0,2);
   helpers.doKeys('@', 'q');
   helpers.assertCursorAt(0,4);
   helpers.doKeys('@', '@');
   helpers.assertCursorAt(0,6);
 }, { value: '            '});
 var jumplistScene = ''+
   'word\n'+
   '(word)\n'+
   '{word\n'+
   'word.\n'+
   '\n'+
   'word search\n'+
   '}word\n'+
   'word\n'+
   'word\n';
 function testJumplist(name, keys, endPos, startPos, dialog) {
   endPos = makeCursor(endPos[0], endPos[1]);
   startPos = makeCursor(startPos[0], startPos[1]);
   testVim(name, function(cm, vim, helpers) {
     CodeMirror.Vim.resetVimGlobalState_();
     if(dialog)cm.openDialog = helpers.fakeOpenDialog('word');
     cm.setCursor(startPos);
     helpers.doKeys.apply(null, keys);
     helpers.assertCursorAt(endPos);
   }, {value: jumplistScene});
 };
 testJumplist('jumplist_H', ['H', '<C-o>'], [5,2], [5,2]);
 testJumplist('jumplist_M', ['M', '<C-o>'], [2,2], [2,2]);
 testJumplist('jumplist_L', ['L', '<C-o>'], [2,2], [2,2]);
 testJumplist('jumplist_[[', ['[', '[', '<C-o>'], [5,2], [5,2]);
 testJumplist('jumplist_]]', [']', ']', '<C-o>'], [2,2], [2,2]);
 testJumplist('jumplist_G', ['G', '<C-o>'], [5,2], [5,2]);
 testJumplist('jumplist_gg', ['g', 'g', '<C-o>'], [5,2], [5,2]);
 testJumplist('jumplist_%', ['%', '<C-o>'], [1,5], [1,5]);
 testJumplist('jumplist_{', ['{', '<C-o>'], [1,5], [1,5]);
 testJumplist('jumplist_}', ['}', '<C-o>'], [1,5], [1,5]);
 testJumplist('jumplist_\'', ['m', 'a', 'h', '\'', 'a', 'h', '<C-i>'], [1,5], [1,5]);
 testJumplist('jumplist_`', ['m', 'a', 'h', '`', 'a', 'h', '<C-i>'], [1,5], [1,5]);
 testJumplist('jumplist_*_cachedCursor', ['*', '<C-o>'], [1,3], [1,3]);
 testJumplist('jumplist_#_cachedCursor', ['#', '<C-o>'], [1,3], [1,3]);
 testJumplist('jumplist_n', ['#', 'n', '<C-o>'], [1,1], [2,3]);
 testJumplist('jumplist_N', ['#', 'N', '<C-o>'], [1,1], [2,3]);
 testJumplist('jumplist_repeat_<c-o>', ['*', '*', '*', '3', '<C-o>'], [2,3], [2,3]);
 testJumplist('jumplist_repeat_<c-i>', ['*', '*', '*', '3', '<C-o>', '2', '<C-i>'], [5,0], [2,3]);
 testJumplist('jumplist_repeated_motion', ['3', '*', '<C-o>'], [2,3], [2,3]);
 testJumplist('jumplist_/', ['/', '<C-o>'], [2,3], [2,3], 'dialog');
 testJumplist('jumplist_?', ['?', '<C-o>'], [2,3], [2,3], 'dialog');
 testJumplist('jumplist_skip_delted_mark<c-o>',
              ['*', 'n', 'n', 'k', 'd', 'k', '<C-o>', '<C-o>', '<C-o>'],
              [0,2], [0,2]);
 testJumplist('jumplist_skip_delted_mark<c-i>',
              ['*', 'n', 'n', 'k', 'd', 'k', '<C-o>', '<C-i>', '<C-i>'],
              [1,0], [0,2]);
 /**
  * @param name Name of the test
  * @param keys An array of keys or a string with a single key to simulate.
  * @param endPos The expected end position of the cursor.
  * @param startPos The position the cursor should start at, defaults to 0, 0.
  */
 function testMotion(name, keys, endPos, startPos) {
   testVim(name, function(cm, vim, helpers) {
     if (!startPos) {
       startPos = { line: 0, ch: 0 };
     }
     cm.setCursor(startPos);
     helpers.doKeys(keys);
     helpers.assertCursorAt(endPos);
   });
 };
 function makeCursor(line, ch) {
   return { line: line, ch: ch };
 };
 function offsetCursor(cur, offsetLine, offsetCh) {
   return { line: cur.line + offsetLine, ch: cur.ch + offsetCh };
 };
 // Motion tests
 testMotion('|', '|', makeCursor(0, 0), makeCursor(0,4));
 testMotion('|_repeat', ['3', '|'], makeCursor(0, 2), makeCursor(0,4));
 testMotion('h', 'h', makeCursor(0, 0), word1.start);
 testMotion('h_repeat', ['3', 'h'], offsetCursor(word1.end, 0, -3), word1.end);
 testMotion('l', 'l', makeCursor(0, 1));
 testMotion('l_repeat', ['2', 'l'], makeCursor(0, 2));
 testMotion('j', 'j', offsetCursor(word1.end, 1, 0), word1.end);
 testMotion('j_repeat', ['2', 'j'], offsetCursor(word1.end, 2, 0), word1.end);
 testMotion('j_repeat_clip', ['1000', 'j'], endOfDocument);
 testMotion('k', 'k', offsetCursor(word3.end, -1, 0), word3.end);
 testMotion('k_repeat', ['2', 'k'], makeCursor(0, 4), makeCursor(2, 4));
 testMotion('k_repeat_clip', ['1000', 'k'], makeCursor(0, 4), makeCursor(2, 4));
 testMotion('w', 'w', word1.start);
 testMotion('w_multiple_newlines_no_space', 'w', makeCursor(12, 2), makeCursor(11, 2));
 testMotion('w_multiple_newlines_with_space', 'w', makeCursor(14, 0), makeCursor(12, 51));
 testMotion('w_repeat', ['2', 'w'], word2.start);
 testMotion('w_wrap', ['w'], word3.start, word2.start);
 testMotion('w_endOfDocument', 'w', endOfDocument, endOfDocument);
 testMotion('w_start_to_end', ['1000', 'w'], endOfDocument, makeCursor(0, 0));
 testMotion('W', 'W', bigWord1.start);
 testMotion('W_repeat', ['2', 'W'], bigWord3.start, bigWord1.start);
 testMotion('e', 'e', word1.end);
 testMotion('e_repeat', ['2', 'e'], word2.end);
 testMotion('e_wrap', 'e', word3.end, word2.end);
 testMotion('e_endOfDocument', 'e', endOfDocument, endOfDocument);
 testMotion('e_start_to_end', ['1000', 'e'], endOfDocument, makeCursor(0, 0));
 testMotion('b', 'b', word3.start, word3.end);
 testMotion('b_repeat', ['2', 'b'], word2.start, word3.end);
 testMotion('b_wrap', 'b', word2.start, word3.start);
 testMotion('b_startOfDocument', 'b', makeCursor(0, 0), makeCursor(0, 0));
 testMotion('b_end_to_start', ['1000', 'b'], makeCursor(0, 0), endOfDocument);
 testMotion('ge', ['g', 'e'], word2.end, word3.end);
 testMotion('ge_repeat', ['2', 'g', 'e'], word1.end, word3.start);
 testMotion('ge_wrap', ['g', 'e'], word2.end, word3.start);
 testMotion('ge_startOfDocument', ['g', 'e'], makeCursor(0, 0),
     makeCursor(0, 0));
 testMotion('ge_end_to_start', ['1000', 'g', 'e'], makeCursor(0, 0), endOfDocument);
 testMotion('gg', ['g', 'g'], makeCursor(lines[0].line, lines[0].textStart),
     makeCursor(3, 1));
 testMotion('gg_repeat', ['3', 'g', 'g'],
     makeCursor(lines[2].line, lines[2].textStart));
 testMotion('G', 'G',
     makeCursor(lines[lines.length - 1].line, lines[lines.length - 1].textStart),
     makeCursor(3, 1));
 testMotion('G_repeat', ['3', 'G'], makeCursor(lines[2].line,
     lines[2].textStart));
 // TODO: Make the test code long enough to test Ctrl-F and Ctrl-B.
 testMotion('0', '0', makeCursor(0, 0), makeCursor(0, 8));
 testMotion('^', '^', makeCursor(0, lines[0].textStart), makeCursor(0, 8));
 testMotion('+', '+', makeCursor(1, lines[1].textStart), makeCursor(0, 8));
 testMotion('-', '-', makeCursor(0, lines[0].textStart), makeCursor(1, 4));
 testMotion('_', ['6','_'], makeCursor(5, lines[5].textStart), makeCursor(0, 8));
 testMotion('$', '$', makeCursor(0, lines[0].length - 1), makeCursor(0, 1));
 testMotion('$_repeat', ['2', '$'], makeCursor(1, lines[1].length - 1),
     makeCursor(0, 3));
 testMotion('f', ['f', 'p'], pChars[0], makeCursor(charLine.line, 0));
 testMotion('f_repeat', ['2', 'f', 'p'], pChars[2], pChars[0]);
 testMotion('f_num', ['f', '2'], numChars[2], makeCursor(charLine.line, 0));
 testMotion('t', ['t','p'], offsetCursor(pChars[0], 0, -1),
     makeCursor(charLine.line, 0));
 testMotion('t_repeat', ['2', 't', 'p'], offsetCursor(pChars[2], 0, -1),
     pChars[0]);
 testMotion('F', ['F', 'p'], pChars[0], pChars[1]);
 testMotion('F_repeat', ['2', 'F', 'p'], pChars[0], pChars[2]);
 testMotion('T', ['T', 'p'], offsetCursor(pChars[0], 0, 1), pChars[1]);
 testMotion('T_repeat', ['2', 'T', 'p'], offsetCursor(pChars[0], 0, 1), pChars[2]);
 testMotion('%_parens', ['%'], parens1.end, parens1.start);
 testMotion('%_squares', ['%'], squares1.end, squares1.start);
 testMotion('%_braces', ['%'], curlys1.end, curlys1.start);
 testMotion('%_seek_outside', ['%'], seekOutside.end, seekOutside.start);
 testMotion('%_seek_inside', ['%'], seekInside.end, seekInside.start);
 testVim('%_seek_skip', function(cm, vim, helpers) {
   cm.setCursor(0,0);
   helpers.doKeys(['%']);
   helpers.assertCursorAt(0,9);
 }, {value:'01234"("()'});
 testVim('%_skip_string', function(cm, vim, helpers) {
   cm.setCursor(0,0);
   helpers.doKeys(['%']);
   helpers.assertCursorAt(0,4);
   cm.setCursor(0,2);
   helpers.doKeys(['%']);
   helpers.assertCursorAt(0,0);
 }, {value:'(")")'});
 (')')
 testVim('%_skip_comment', function(cm, vim, helpers) {
   cm.setCursor(0,0);
   helpers.doKeys(['%']);
   helpers.assertCursorAt(0,6);
   cm.setCursor(0,3);
   helpers.doKeys(['%']);
   helpers.assertCursorAt(0,0);
 }, {value:'(/*)*/)'});
 // Make sure that moving down after going to the end of a line always leaves you
 // at the end of a line, but preserves the offset in other cases
 testVim('Changing lines after Eol operation', function(cm, vim, helpers) {
   cm.setCursor(0,0);
   helpers.doKeys(['$']);
   helpers.doKeys(['j']);
   // After moving to Eol and then down, we should be at Eol of line 2
   helpers.assertCursorAt({ line: 1, ch: lines[1].length - 1 });
   helpers.doKeys(['j']);
   // After moving down, we should be at Eol of line 3
   helpers.assertCursorAt({ line: 2, ch: lines[2].length - 1 });
   helpers.doKeys(['h']);
   helpers.doKeys(['j']);
   // After moving back one space and then down, since line 4 is shorter than line 2, we should
   // be at Eol of line 2 - 1
   helpers.assertCursorAt({ line: 3, ch: lines[3].length - 1 });
   helpers.doKeys(['j']);
   helpers.doKeys(['j']);
   // After moving down again, since line 3 has enough characters, we should be back to the
   // same place we were at on line 1
   helpers.assertCursorAt({ line: 5, ch: lines[2].length - 2 });
 });
 //making sure gj and gk recover from clipping
 testVim('gj_gk_clipping', function(cm,vim,helpers){
   cm.setCursor(0, 1);
   helpers.doKeys('g','j','g','j');
   helpers.assertCursorAt(2, 1);
   helpers.doKeys('g','k','g','k');
   helpers.assertCursorAt(0, 1);
 },{value: 'line 1\n\nline 2'});
 //testing a mix of j/k and gj/gk
 testVim('j_k_and_gj_gk', function(cm,vim,helpers){
   cm.setSize(120);
   cm.setCursor(0, 0);
   //go to the last character on the first line
   helpers.doKeys('$');
   //move up/down on the column within the wrapped line
   //side-effect: cursor is not locked to eol anymore
   helpers.doKeys('g','k');
   var cur=cm.getCursor();
   eq(cur.line,0);
   is((cur.ch<176),'gk didn\'t move cursor back (1)');
   helpers.doKeys('g','j');
   helpers.assertCursorAt(0, 176);
   //should move to character 177 on line 2 (j/k preserve character index within line)
   helpers.doKeys('j');
   //due to different line wrapping, the cursor can be on a different screen-x now
   //gj and gk preserve screen-x on movement, much like moveV
   helpers.doKeys('3','g','k');
   cur=cm.getCursor();
   eq(cur.line,1);
   is((cur.ch<176),'gk didn\'t move cursor back (2)');
   helpers.doKeys('g','j','2','g','j');
   //should return to the same character-index
   helpers.doKeys('k');
   helpers.assertCursorAt(0, 176);
 },{ lineWrapping:true, value: 'This line is intentially long to test movement of gj and gk over wrapped lines. I will start on the end of this line, then make a step up and back to set the origin for j and k.\nThis line is supposed to be even longer than the previous. I will jump here and make another wiggle with gj and gk, before I jump back to the line above. Both wiggles should not change my cursor\'s target character but both j/k and gj/gk change each other\'s reference position.'});
 testVim('gj_gk', function(cm, vim, helpers) {
   if (phantom) return;
   cm.setSize(120);
   // Test top of document edge case.
   cm.setCursor(0, 4);
   helpers.doKeys('g', 'j');
   helpers.doKeys('10', 'g', 'k');
   helpers.assertCursorAt(0, 4);
   // Test moving down preserves column position.
   helpers.doKeys('g', 'j');
   var pos1 = cm.getCursor();
   var expectedPos2 = { line: 0, ch: (pos1.ch - 4) * 2 + 4};
   helpers.doKeys('g', 'j');
   helpers.assertCursorAt(expectedPos2);
   // Move to the last character
   cm.setCursor(0, 0);
   // Move left to reset HSPos
   helpers.doKeys('h');
   // Test bottom of document edge case.
   helpers.doKeys('100', 'g', 'j');
   var endingPos = cm.getCursor();
   is(endingPos != 0, 'gj should not be on wrapped line 0');
   var topLeftCharCoords = cm.charCoords(makeCursor(0, 0));
   var endingCharCoords = cm.charCoords(endingPos);
   is(topLeftCharCoords.left == endingCharCoords.left, 'gj should end up on column 0');
 },{ lineNumbers: false, lineWrapping:true, value: 'Thislineisintentiallylongtotestmovementofgjandgkoverwrappedlines.' });
 testVim('}', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('}');
   helpers.assertCursorAt(1, 0);
   cm.setCursor(0, 0);
   helpers.doKeys('2', '}');
   helpers.assertCursorAt(4, 0);
   cm.setCursor(0, 0);
   helpers.doKeys('6', '}');
   helpers.assertCursorAt(5, 0);
 }, { value: 'a\n\nb\nc\n\nd' });
 testVim('{', function(cm, vim, helpers) {
   cm.setCursor(5, 0);
   helpers.doKeys('{');
   helpers.assertCursorAt(4, 0);
   cm.setCursor(5, 0);
   helpers.doKeys('2', '{');
   helpers.assertCursorAt(1, 0);
   cm.setCursor(5, 0);
   helpers.doKeys('6', '{');
   helpers.assertCursorAt(0, 0);
 }, { value: 'a\n\nb\nc\n\nd' });
 // Operator tests
 testVim('dl', function(cm, vim, helpers) {
   var curStart = makeCursor(0, 0);
   cm.setCursor(curStart);
   helpers.doKeys('d', 'l');
   eq('word1 ', cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq(' ', register.toString());
   is(!register.linewise);
   eqPos(curStart, cm.getCursor());
 }, { value: ' word1 ' });
 testVim('dl_eol', function(cm, vim, helpers) {
   cm.setCursor(0, 6);
   helpers.doKeys('d', 'l');
   eq(' word1', cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq(' ', register.toString());
   is(!register.linewise);
   helpers.assertCursorAt(0, 5);
 }, { value: ' word1 ' });
 testVim('dl_repeat', function(cm, vim, helpers) {
   var curStart = makeCursor(0, 0);
   cm.setCursor(curStart);
   helpers.doKeys('2', 'd', 'l');
   eq('ord1 ', cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq(' w', register.toString());
   is(!register.linewise);
   eqPos(curStart, cm.getCursor());
 }, { value: ' word1 ' });
 testVim('dh', function(cm, vim, helpers) {
   var curStart = makeCursor(0, 3);
   cm.setCursor(curStart);
   helpers.doKeys('d', 'h');
   eq(' wrd1 ', cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq('o', register.toString());
   is(!register.linewise);
   eqPos(offsetCursor(curStart, 0 , -1), cm.getCursor());
 }, { value: ' word1 ' });
 testVim('dj', function(cm, vim, helpers) {
   var curStart = makeCursor(0, 3);
   cm.setCursor(curStart);
   helpers.doKeys('d', 'j');
   eq(' word3', cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq(' word1\nword2\n', register.toString());
   is(register.linewise);
   helpers.assertCursorAt(0, 1);
 }, { value: ' word1\nword2\n word3' });
 testVim('dj_end_of_document', function(cm, vim, helpers) {
   var curStart = makeCursor(0, 3);
   cm.setCursor(curStart);
   helpers.doKeys('d', 'j');
   eq(' word1 ', cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq('', register.toString());
   is(!register.linewise);
   helpers.assertCursorAt(0, 3);
 }, { value: ' word1 ' });
 testVim('dk', function(cm, vim, helpers) {
   var curStart = makeCursor(1, 3);
   cm.setCursor(curStart);
   helpers.doKeys('d', 'k');
   eq(' word3', cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq(' word1\nword2\n', register.toString());
   is(register.linewise);
   helpers.assertCursorAt(0, 1);
 }, { value: ' word1\nword2\n word3' });
 testVim('dk_start_of_document', function(cm, vim, helpers) {
   var curStart = makeCursor(0, 3);
   cm.setCursor(curStart);
   helpers.doKeys('d', 'k');
   eq(' word1 ', cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq('', register.toString());
   is(!register.linewise);
   helpers.assertCursorAt(0, 3);
 }, { value: ' word1 ' });
 testVim('dw_space', function(cm, vim, helpers) {
   var curStart = makeCursor(0, 0);
   cm.setCursor(curStart);
   helpers.doKeys('d', 'w');
   eq('word1 ', cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq(' ', register.toString());
   is(!register.linewise);
   eqPos(curStart, cm.getCursor());
 }, { value: ' word1 ' });
 testVim('dw_word', function(cm, vim, helpers) {
   var curStart = makeCursor(0, 1);
   cm.setCursor(curStart);
   helpers.doKeys('d', 'w');
   eq(' word2', cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq('word1 ', register.toString());
   is(!register.linewise);
   eqPos(curStart, cm.getCursor());
 }, { value: ' word1 word2' });
 testVim('dw_only_word', function(cm, vim, helpers) {
   // Test that if there is only 1 word left, dw deletes till the end of the
   // line.
   cm.setCursor(0, 1);
   helpers.doKeys('d', 'w');
   eq(' ', cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq('word1 ', register.toString());
   is(!register.linewise);
   helpers.assertCursorAt(0, 0);
 }, { value: ' word1 ' });
 testVim('dw_eol', function(cm, vim, helpers) {
   // Assert that dw does not delete the newline if last word to delete is at end
   // of line.
   cm.setCursor(0, 1);
   helpers.doKeys('d', 'w');
   eq(' \nword2', cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq('word1', register.toString());
   is(!register.linewise);
   helpers.assertCursorAt(0, 0);
 }, { value: ' word1\nword2' });
 testVim('dw_eol_with_multiple_newlines', function(cm, vim, helpers) {
   // Assert that dw does not delete the newline if last word to delete is at end
   // of line and it is followed by multiple newlines.
   cm.setCursor(0, 1);
   helpers.doKeys('d', 'w');
   eq(' \n\nword2', cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq('word1', register.toString());
   is(!register.linewise);
   helpers.assertCursorAt(0, 0);
 }, { value: ' word1\n\nword2' });
 testVim('dw_empty_line_followed_by_whitespace', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('d', 'w');
   eq('  \nword', cm.getValue());
 }, { value: '\n  \nword' });
 testVim('dw_empty_line_followed_by_word', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('d', 'w');
   eq('word', cm.getValue());
 }, { value: '\nword' });
 testVim('dw_empty_line_followed_by_empty_line', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('d', 'w');
   eq('\n', cm.getValue());
 }, { value: '\n\n' });
 testVim('dw_whitespace_followed_by_whitespace', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('d', 'w');
   eq('\n   \n', cm.getValue());
 }, { value: '  \n   \n' });
 testVim('dw_whitespace_followed_by_empty_line', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('d', 'w');
   eq('\n\n', cm.getValue());
 }, { value: '  \n\n' });
 testVim('dw_word_whitespace_word', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('d', 'w');
   eq('\n   \nword2', cm.getValue());
 }, { value: 'word1\n   \nword2'})
 testVim('dw_end_of_document', function(cm, vim, helpers) {
   cm.setCursor(1, 2);
   helpers.doKeys('d', 'w');
   eq('\nab', cm.getValue());
 }, { value: '\nabc' });
 testVim('dw_repeat', function(cm, vim, helpers) {
   // Assert that dw does delete newline if it should go to the next line, and
   // that repeat works properly.
   cm.setCursor(0, 1);
   helpers.doKeys('d', '2', 'w');
   eq(' ', cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq('word1\nword2', register.toString());
   is(!register.linewise);
   helpers.assertCursorAt(0, 0);
 }, { value: ' word1\nword2' });
 testVim('de_word_start_and_empty_lines', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('d', 'e');
   eq('\n\n', cm.getValue());
 }, { value: 'word\n\n' });
 testVim('de_word_end_and_empty_lines', function(cm, vim, helpers) {
   cm.setCursor(0, 3);
   helpers.doKeys('d', 'e');
   eq('wor', cm.getValue());
 }, { value: 'word\n\n\n' });
 testVim('de_whitespace_and_empty_lines', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('d', 'e');
   eq('', cm.getValue());
 }, { value: '   \n\n\n' });
 testVim('de_end_of_document', function(cm, vim, helpers) {
   cm.setCursor(1, 2);
   helpers.doKeys('d', 'e');
   eq('\nab', cm.getValue());
 }, { value: '\nabc' });
 testVim('db_empty_lines', function(cm, vim, helpers) {
   cm.setCursor(2, 0);
   helpers.doKeys('d', 'b');
   eq('\n\n', cm.getValue());
 }, { value: '\n\n\n' });
 testVim('db_word_start_and_empty_lines', function(cm, vim, helpers) {
   cm.setCursor(2, 0);
   helpers.doKeys('d', 'b');
   eq('\nword', cm.getValue());
 }, { value: '\n\nword' });
 testVim('db_word_end_and_empty_lines', function(cm, vim, helpers) {
   cm.setCursor(2, 3);
   helpers.doKeys('d', 'b');
   eq('\n\nd', cm.getValue());
 }, { value: '\n\nword' });
 testVim('db_whitespace_and_empty_lines', function(cm, vim, helpers) {
   cm.setCursor(2, 0);
   helpers.doKeys('d', 'b');
   eq('', cm.getValue());
 }, { value: '\n   \n' });
 testVim('db_start_of_document', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('d', 'b');
   eq('abc\n', cm.getValue());
 }, { value: 'abc\n' });
 testVim('dge_empty_lines', function(cm, vim, helpers) {
   cm.setCursor(1, 0);
   helpers.doKeys('d', 'g', 'e');
   // Note: In real VIM the result should be '', but it's not quite consistent,
   // since 2 newlines are deleted. But in the similar case of word\n\n, only
   // 1 newline is deleted. We'll diverge from VIM's behavior since it's much
   // easier this way.
   eq('\n', cm.getValue());
 }, { value: '\n\n' });
 testVim('dge_word_and_empty_lines', function(cm, vim, helpers) {
   cm.setCursor(1, 0);
   helpers.doKeys('d', 'g', 'e');
   eq('wor\n', cm.getValue());
 }, { value: 'word\n\n'});
 testVim('dge_whitespace_and_empty_lines', function(cm, vim, helpers) {
   cm.setCursor(2, 0);
   helpers.doKeys('d', 'g', 'e');
   eq('', cm.getValue());
 }, { value: '\n  \n' });
 testVim('dge_start_of_document', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('d', 'g', 'e');
   eq('bc\n', cm.getValue());
 }, { value: 'abc\n' });
 testVim('d_inclusive', function(cm, vim, helpers) {
   // Assert that when inclusive is set, the character the cursor is on gets
   // deleted too.
   var curStart = makeCursor(0, 1);
   cm.setCursor(curStart);
   helpers.doKeys('d', 'e');
   eq('  ', cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq('word1', register.toString());
   is(!register.linewise);
   eqPos(curStart, cm.getCursor());
 }, { value: ' word1 ' });
 testVim('d_reverse', function(cm, vim, helpers) {
   // Test that deleting in reverse works.
   cm.setCursor(1, 0);
   helpers.doKeys('d', 'b');
   eq(' word2 ', cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq('word1\n', register.toString());
   is(!register.linewise);
   helpers.assertCursorAt(0, 1);
 }, { value: ' word1\nword2 ' });
 testVim('dd', function(cm, vim, helpers) {
   cm.setCursor(0, 3);
   var expectedBuffer = cm.getRange({ line: 0, ch: 0 },
     { line: 1, ch: 0 });
   var expectedLineCount = cm.lineCount() - 1;
   helpers.doKeys('d', 'd');
   eq(expectedLineCount, cm.lineCount());
   var register = helpers.getRegisterController().getRegister();
   eq(expectedBuffer, register.toString());
   is(register.linewise);
   helpers.assertCursorAt(0, lines[1].textStart);
 });
 testVim('dd_prefix_repeat', function(cm, vim, helpers) {
   cm.setCursor(0, 3);
   var expectedBuffer = cm.getRange({ line: 0, ch: 0 },
     { line: 2, ch: 0 });
   var expectedLineCount = cm.lineCount() - 2;
   helpers.doKeys('2', 'd', 'd');
   eq(expectedLineCount, cm.lineCount());
   var register = helpers.getRegisterController().getRegister();
   eq(expectedBuffer, register.toString());
   is(register.linewise);
   helpers.assertCursorAt(0, lines[2].textStart);
 });
 testVim('dd_motion_repeat', function(cm, vim, helpers) {
   cm.setCursor(0, 3);
   var expectedBuffer = cm.getRange({ line: 0, ch: 0 },
     { line: 2, ch: 0 });
   var expectedLineCount = cm.lineCount() - 2;
   helpers.doKeys('d', '2', 'd');
   eq(expectedLineCount, cm.lineCount());
   var register = helpers.getRegisterController().getRegister();
   eq(expectedBuffer, register.toString());
   is(register.linewise);
   helpers.assertCursorAt(0, lines[2].textStart);
 });
 testVim('dd_multiply_repeat', function(cm, vim, helpers) {
   cm.setCursor(0, 3);
   var expectedBuffer = cm.getRange({ line: 0, ch: 0 },
     { line: 6, ch: 0 });
   var expectedLineCount = cm.lineCount() - 6;
   helpers.doKeys('2', 'd', '3', 'd');
   eq(expectedLineCount, cm.lineCount());
   var register = helpers.getRegisterController().getRegister();
   eq(expectedBuffer, register.toString());
   is(register.linewise);
   helpers.assertCursorAt(0, lines[6].textStart);
 });
 testVim('dd_lastline', function(cm, vim, helpers) {
   cm.setCursor(cm.lineCount(), 0);
   var expectedLineCount = cm.lineCount() - 1;
   helpers.doKeys('d', 'd');
   eq(expectedLineCount, cm.lineCount());
   helpers.assertCursorAt(cm.lineCount() - 1, 0);
 });
 // Yank commands should behave the exact same as d commands, expect that nothing
 // gets deleted.
 testVim('yw_repeat', function(cm, vim, helpers) {
   // Assert that yw does yank newline if it should go to the next line, and
   // that repeat works properly.
   var curStart = makeCursor(0, 1);
   cm.setCursor(curStart);
   helpers.doKeys('y', '2', 'w');
   eq(' word1\nword2', cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq('word1\nword2', register.toString());
   is(!register.linewise);
   eqPos(curStart, cm.getCursor());
 }, { value: ' word1\nword2' });
 testVim('yy_multiply_repeat', function(cm, vim, helpers) {
   var curStart = makeCursor(0, 3);
   cm.setCursor(curStart);
   var expectedBuffer = cm.getRange({ line: 0, ch: 0 },
     { line: 6, ch: 0 });
   var expectedLineCount = cm.lineCount();
   helpers.doKeys('2', 'y', '3', 'y');
   eq(expectedLineCount, cm.lineCount());
   var register = helpers.getRegisterController().getRegister();
   eq(expectedBuffer, register.toString());
   is(register.linewise);
   eqPos(curStart, cm.getCursor());
 });
 // Change commands behave like d commands except that it also enters insert
 // mode. In addition, when the change is linewise, an additional newline is
 // inserted so that insert mode starts on that line.
 testVim('cw', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('c', '2', 'w');
   eq(' word3', cm.getValue());
   helpers.assertCursorAt(0, 0);
 }, { value: 'word1 word2 word3'});
 testVim('cw_repeat', function(cm, vim, helpers) {
   // Assert that cw does delete newline if it should go to the next line, and
   // that repeat works properly.
   var curStart = makeCursor(0, 1);
   cm.setCursor(curStart);
   helpers.doKeys('c', '2', 'w');
   eq(' ', cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq('word1\nword2', register.toString());
   is(!register.linewise);
   eqPos(curStart, cm.getCursor());
   eq('vim-insert', cm.getOption('keyMap'));
 }, { value: ' word1\nword2' });
 testVim('cc_multiply_repeat', function(cm, vim, helpers) {
   cm.setCursor(0, 3);
   var expectedBuffer = cm.getRange({ line: 0, ch: 0 },
     { line: 6, ch: 0 });
   var expectedLineCount = cm.lineCount() - 5;
   helpers.doKeys('2', 'c', '3', 'c');
   eq(expectedLineCount, cm.lineCount());
   var register = helpers.getRegisterController().getRegister();
   eq(expectedBuffer, register.toString());
   is(register.linewise);
   eq('vim-insert', cm.getOption('keyMap'));
 });
 testVim('cc_append', function(cm, vim, helpers) {
   var expectedLineCount = cm.lineCount();
   cm.setCursor(cm.lastLine(), 0);
   helpers.doKeys('c', 'c');
   eq(expectedLineCount, cm.lineCount());
 });
 // Swapcase commands edit in place and do not modify registers.
 testVim('g~w_repeat', function(cm, vim, helpers) {
   // Assert that dw does delete newline if it should go to the next line, and
   // that repeat works properly.
   var curStart = makeCursor(0, 1);
   cm.setCursor(curStart);
   helpers.doKeys('g', '~', '2', 'w');
   eq(' WORD1\nWORD2', cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq('', register.toString());
   is(!register.linewise);
   eqPos(curStart, cm.getCursor());
 }, { value: ' word1\nword2' });
 testVim('g~g~', function(cm, vim, helpers) {
   var curStart = makeCursor(0, 3);
   cm.setCursor(curStart);
   var expectedLineCount = cm.lineCount();
   var expectedValue = cm.getValue().toUpperCase();
   helpers.doKeys('2', 'g', '~', '3', 'g', '~');
   eq(expectedValue, cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq('', register.toString());
   is(!register.linewise);
   eqPos(curStart, cm.getCursor());
 }, { value: ' word1\nword2\nword3\nword4\nword5\nword6' });
 testVim('>{motion}', function(cm, vim, helpers) {
   cm.setCursor(1, 3);
   var expectedLineCount = cm.lineCount();
   var expectedValue = '   word1\n  word2\nword3 ';
   helpers.doKeys('>', 'k');
   eq(expectedValue, cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq('', register.toString());
   is(!register.linewise);
   helpers.assertCursorAt(0, 3);
 }, { value: ' word1\nword2\nword3 ', indentUnit: 2 });
 testVim('>>', function(cm, vim, helpers) {
   cm.setCursor(0, 3);
   var expectedLineCount = cm.lineCount();
   var expectedValue = '   word1\n  word2\nword3 ';
   helpers.doKeys('2', '>', '>');
   eq(expectedValue, cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq('', register.toString());
   is(!register.linewise);
   helpers.assertCursorAt(0, 3);
 }, { value: ' word1\nword2\nword3 ', indentUnit: 2 });
 testVim('<{motion}', function(cm, vim, helpers) {
   cm.setCursor(1, 3);
   var expectedLineCount = cm.lineCount();
   var expectedValue = ' word1\nword2\nword3 ';
   helpers.doKeys('<', 'k');
   eq(expectedValue, cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq('', register.toString());
   is(!register.linewise);
   helpers.assertCursorAt(0, 1);
 }, { value: '   word1\n  word2\nword3 ', indentUnit: 2 });
 testVim('<<', function(cm, vim, helpers) {
   cm.setCursor(0, 3);
   var expectedLineCount = cm.lineCount();
   var expectedValue = ' word1\nword2\nword3 ';
   helpers.doKeys('2', '<', '<');
   eq(expectedValue, cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq('', register.toString());
   is(!register.linewise);
   helpers.assertCursorAt(0, 1);
 }, { value: '   word1\n  word2\nword3 ', indentUnit: 2 });
 // Edit tests
 function testEdit(name, before, pos, edit, after) {
   return testVim(name, function(cm, vim, helpers) {
              var ch = before.search(pos)
              var line = before.substring(0, ch).split('\n').length - 1;
              if (line) {
                ch = before.substring(0, ch).split('\n').pop().length;
              }
              cm.setCursor(line, ch);
              helpers.doKeys.apply(this, edit.split(''));
              eq(after, cm.getValue());
            }, {value: before});
 }
 // These Delete tests effectively cover word-wise Change, Visual & Yank.
 // Tabs are used as differentiated whitespace to catch edge cases.
 // Normal word:
 testEdit('diw_mid_spc', 'foo \tbAr\t baz', /A/, 'diw', 'foo \t\t baz');
 testEdit('daw_mid_spc', 'foo \tbAr\t baz', /A/, 'daw', 'foo \tbaz');
 testEdit('diw_mid_punct', 'foo \tbAr.\t baz', /A/, 'diw', 'foo \t.\t baz');
 testEdit('daw_mid_punct', 'foo \tbAr.\t baz', /A/, 'daw', 'foo.\t baz');
 testEdit('diw_mid_punct2', 'foo \t,bAr.\t baz', /A/, 'diw', 'foo \t,.\t baz');
 testEdit('daw_mid_punct2', 'foo \t,bAr.\t baz', /A/, 'daw', 'foo \t,.\t baz');
 testEdit('diw_start_spc', 'bAr \tbaz', /A/, 'diw', ' \tbaz');
 testEdit('daw_start_spc', 'bAr \tbaz', /A/, 'daw', 'baz');
 testEdit('diw_start_punct', 'bAr. \tbaz', /A/, 'diw', '. \tbaz');
 testEdit('daw_start_punct', 'bAr. \tbaz', /A/, 'daw', '. \tbaz');
 testEdit('diw_end_spc', 'foo \tbAr', /A/, 'diw', 'foo \t');
 testEdit('daw_end_spc', 'foo \tbAr', /A/, 'daw', 'foo');
 testEdit('diw_end_punct', 'foo \tbAr.', /A/, 'diw', 'foo \t.');
 testEdit('daw_end_punct', 'foo \tbAr.', /A/, 'daw', 'foo.');
 // Big word:
 testEdit('diW_mid_spc', 'foo \tbAr\t baz', /A/, 'diW', 'foo \t\t baz');
 testEdit('daW_mid_spc', 'foo \tbAr\t baz', /A/, 'daW', 'foo \tbaz');
 testEdit('diW_mid_punct', 'foo \tbAr.\t baz', /A/, 'diW', 'foo \t\t baz');
 testEdit('daW_mid_punct', 'foo \tbAr.\t baz', /A/, 'daW', 'foo \tbaz');
 testEdit('diW_mid_punct2', 'foo \t,bAr.\t baz', /A/, 'diW', 'foo \t\t baz');
 testEdit('daW_mid_punct2', 'foo \t,bAr.\t baz', /A/, 'daW', 'foo \tbaz');
 testEdit('diW_start_spc', 'bAr\t baz', /A/, 'diW', '\t baz');
 testEdit('daW_start_spc', 'bAr\t baz', /A/, 'daW', 'baz');
 testEdit('diW_start_punct', 'bAr.\t baz', /A/, 'diW', '\t baz');
 testEdit('daW_start_punct', 'bAr.\t baz', /A/, 'daW', 'baz');
 testEdit('diW_end_spc', 'foo \tbAr', /A/, 'diW', 'foo \t');
 testEdit('daW_end_spc', 'foo \tbAr', /A/, 'daW', 'foo');
 testEdit('diW_end_punct', 'foo \tbAr.', /A/, 'diW', 'foo \t');
 testEdit('daW_end_punct', 'foo \tbAr.', /A/, 'daW', 'foo');
 // Deleting text objects
 //    Open and close on same line
 testEdit('di(_open_spc', 'foo (bAr) baz', /\(/, 'di(', 'foo () baz');
 testEdit('di)_open_spc', 'foo (bAr) baz', /\(/, 'di)', 'foo () baz');
 testEdit('da(_open_spc', 'foo (bAr) baz', /\(/, 'da(', 'foo  baz');
 testEdit('da)_open_spc', 'foo (bAr) baz', /\(/, 'da)', 'foo  baz');
 testEdit('di(_middle_spc', 'foo (bAr) baz', /A/, 'di(', 'foo () baz');
 testEdit('di)_middle_spc', 'foo (bAr) baz', /A/, 'di)', 'foo () baz');
 testEdit('da(_middle_spc', 'foo (bAr) baz', /A/, 'da(', 'foo  baz');
 testEdit('da)_middle_spc', 'foo (bAr) baz', /A/, 'da)', 'foo  baz');
 testEdit('di(_close_spc', 'foo (bAr) baz', /\)/, 'di(', 'foo () baz');
 testEdit('di)_close_spc', 'foo (bAr) baz', /\)/, 'di)', 'foo () baz');
 testEdit('da(_close_spc', 'foo (bAr) baz', /\)/, 'da(', 'foo  baz');
 testEdit('da)_close_spc', 'foo (bAr) baz', /\)/, 'da)', 'foo  baz');
 //  Open and close on different lines, equally indented
 testEdit('di{_middle_spc', 'a{\n\tbar\n}b', /r/, 'di{', 'a{}b');
 testEdit('di}_middle_spc', 'a{\n\tbar\n}b', /r/, 'di}', 'a{}b');
 testEdit('da{_middle_spc', 'a{\n\tbar\n}b', /r/, 'da{', 'ab');
 testEdit('da}_middle_spc', 'a{\n\tbar\n}b', /r/, 'da}', 'ab');
 // open and close on diff lines, open indented less than close
 testEdit('di{_middle_spc', 'a{\n\tbar\n\t}b', /r/, 'di{', 'a{}b');
 testEdit('di}_middle_spc', 'a{\n\tbar\n\t}b', /r/, 'di}', 'a{}b');
 testEdit('da{_middle_spc', 'a{\n\tbar\n\t}b', /r/, 'da{', 'ab');
 testEdit('da}_middle_spc', 'a{\n\tbar\n\t}b', /r/, 'da}', 'ab');
 // open and close on diff lines, open indented more than close
 testEdit('di[_middle_spc', 'a\t[\n\tbar\n]b', /r/, 'di[', 'a\t[]b');
 testEdit('di]_middle_spc', 'a\t[\n\tbar\n]b', /r/, 'di]', 'a\t[]b');
 testEdit('da[_middle_spc', 'a\t[\n\tbar\n]b', /r/, 'da[', 'a\tb');
 testEdit('da]_middle_spc', 'a\t[\n\tbar\n]b', /r/, 'da]', 'a\tb');
 // Operator-motion tests
 testVim('D', function(cm, vim, helpers) {
   cm.setCursor(0, 3);
   helpers.doKeys('D');
   eq(' wo\nword2\n word3', cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq('rd1', register.toString());
   is(!register.linewise);
   helpers.assertCursorAt(0, 2);
 }, { value: ' word1\nword2\n word3' });
 testVim('C', function(cm, vim, helpers) {
   var curStart = makeCursor(0, 3);
   cm.setCursor(curStart);
   helpers.doKeys('C');
   eq(' wo\nword2\n word3', cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq('rd1', register.toString());
   is(!register.linewise);
   eqPos(curStart, cm.getCursor());
   eq('vim-insert', cm.getOption('keyMap'));
 }, { value: ' word1\nword2\n word3' });
 testVim('Y', function(cm, vim, helpers) {
   var curStart = makeCursor(0, 3);
   cm.setCursor(curStart);
   helpers.doKeys('Y');
   eq(' word1\nword2\n word3', cm.getValue());
   var register = helpers.getRegisterController().getRegister();
   eq('rd1', register.toString());
   is(!register.linewise);
   helpers.assertCursorAt(0, 3);
 }, { value: ' word1\nword2\n word3' });
 testVim('~', function(cm, vim, helpers) {
   helpers.doKeys('3', '~');
   eq('ABCdefg', cm.getValue());
   helpers.assertCursorAt(0, 3);
 }, { value: 'abcdefg' });
 // Action tests
 testVim('ctrl-a', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('<C-a>');
   eq('-9', cm.getValue());
   helpers.assertCursorAt(0, 1);
   helpers.doKeys('2','<C-a>');
   eq('-7', cm.getValue());
 }, {value: '-10'});
 testVim('ctrl-x', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('<C-x>');
   eq('-1', cm.getValue());
   helpers.assertCursorAt(0, 1);
   helpers.doKeys('2','<C-x>');
   eq('-3', cm.getValue());
 }, {value: '0'});
 testVim('<C-x>/<C-a> search forward', function(cm, vim, helpers) {
   forEach(['<C-x>', '<C-a>'], function(key) {
     cm.setCursor(0, 0);
     helpers.doKeys(key);
     helpers.assertCursorAt(0, 5);
     helpers.doKeys('l');
     helpers.doKeys(key);
     helpers.assertCursorAt(0, 10);
     cm.setCursor(0, 11);
     helpers.doKeys(key);
     helpers.assertCursorAt(0, 11);
   });
 }, {value: '__jmp1 jmp2 jmp'});
 testVim('a', function(cm, vim, helpers) {
   cm.setCursor(0, 1);
   helpers.doKeys('a');
   helpers.assertCursorAt(0, 2);
   eq('vim-insert', cm.getOption('keyMap'));
 });
 testVim('a_eol', function(cm, vim, helpers) {
   cm.setCursor(0, lines[0].length - 1);
   helpers.doKeys('a');
   helpers.assertCursorAt(0, lines[0].length);
   eq('vim-insert', cm.getOption('keyMap'));
 });
 testVim('i', function(cm, vim, helpers) {
   cm.setCursor(0, 1);
   helpers.doKeys('i');
   helpers.assertCursorAt(0, 1);
   eq('vim-insert', cm.getOption('keyMap'));
 });
 testVim('i_repeat', function(cm, vim, helpers) {
   helpers.doKeys('3', 'i');
   cm.replaceRange('test', cm.getCursor());
   helpers.doInsertModeKeys('Esc');
   eq('testtesttest', cm.getValue());
   helpers.assertCursorAt(0, 11);
 }, { value: '' });
 testVim('i_repeat_delete', function(cm, vim, helpers) {
   cm.setCursor(0, 4);
   helpers.doKeys('2', 'i');
   cm.replaceRange('z', cm.getCursor());
   helpers.doInsertModeKeys('Backspace', 'Backspace', 'Esc');
   eq('abe', cm.getValue());
   helpers.assertCursorAt(0, 1);
 }, { value: 'abcde' });
 testVim('A', function(cm, vim, helpers) {
   helpers.doKeys('A');
   helpers.assertCursorAt(0, lines[0].length);
   eq('vim-insert', cm.getOption('keyMap'));
 });
 testVim('I', function(cm, vim, helpers) {
   cm.setCursor(0, 4);
   helpers.doKeys('I');
   helpers.assertCursorAt(0, lines[0].textStart);
   eq('vim-insert', cm.getOption('keyMap'));
 });
 testVim('I_repeat', function(cm, vim, helpers) {
   cm.setCursor(0, 1);
   helpers.doKeys('3', 'I');
   cm.replaceRange('test', cm.getCursor());
   helpers.doInsertModeKeys('Esc');
   eq('testtesttestblah', cm.getValue());
   helpers.assertCursorAt(0, 11);
 }, { value: 'blah' });
 testVim('o', function(cm, vim, helpers) {
   cm.setCursor(0, 4);
   helpers.doKeys('o');
   eq('word1\n\nword2', cm.getValue());
   helpers.assertCursorAt(1, 0);
   eq('vim-insert', cm.getOption('keyMap'));
 }, { value: 'word1\nword2' });
 testVim('o_repeat', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('3', 'o');
   cm.replaceRange('test', cm.getCursor());
   helpers.doInsertModeKeys('Esc');
   eq('\ntest\ntest\ntest', cm.getValue());
   helpers.assertCursorAt(3, 3);
 }, { value: '' });
 testVim('O', function(cm, vim, helpers) {
   cm.setCursor(0, 4);
   helpers.doKeys('O');
   eq('\nword1\nword2', cm.getValue());
   helpers.assertCursorAt(0, 0);
   eq('vim-insert', cm.getOption('keyMap'));
 }, { value: 'word1\nword2' });
 testVim('J', function(cm, vim, helpers) {
   cm.setCursor(0, 4);
   helpers.doKeys('J');
   var expectedValue = 'word1  word2\nword3\n word4';
   eq(expectedValue, cm.getValue());
   helpers.assertCursorAt(0, expectedValue.indexOf('word2') - 1);
 }, { value: 'word1 \n    word2\nword3\n word4' });
 testVim('J_repeat', function(cm, vim, helpers) {
   cm.setCursor(0, 4);
   helpers.doKeys('3', 'J');
   var expectedValue = 'word1  word2 word3\n word4';
   eq(expectedValue, cm.getValue());
   helpers.assertCursorAt(0, expectedValue.indexOf('word3') - 1);
 }, { value: 'word1 \n    word2\nword3\n word4' });
 testVim('p', function(cm, vim, helpers) {
   cm.setCursor(0, 1);
   helpers.getRegisterController().pushText('"', 'yank', 'abc\ndef', false);
   helpers.doKeys('p');
   eq('__abc\ndef_', cm.getValue());
   helpers.assertCursorAt(1, 2);
 }, { value: '___' });
 testVim('p_register', function(cm, vim, helpers) {
   cm.setCursor(0, 1);
   helpers.getRegisterController().getRegister('a').setText('abc\ndef', false);
   helpers.doKeys('"', 'a', 'p');
   eq('__abc\ndef_', cm.getValue());
   helpers.assertCursorAt(1, 2);
 }, { value: '___' });
 testVim('p_wrong_register', function(cm, vim, helpers) {
   cm.setCursor(0, 1);
   helpers.getRegisterController().getRegister('a').setText('abc\ndef', false);
   helpers.doKeys('p');
   eq('___', cm.getValue());
   helpers.assertCursorAt(0, 1);
 }, { value: '___' });
 testVim('p_line', function(cm, vim, helpers) {
   cm.setCursor(0, 1);
   helpers.getRegisterController().pushText('"', 'yank', '  a\nd\n', true);
   helpers.doKeys('2', 'p');
   eq('___\n  a\nd\n  a\nd', cm.getValue());
   helpers.assertCursorAt(1, 2);
 }, { value: '___' });
 testVim('p_lastline', function(cm, vim, helpers) {
   cm.setCursor(0, 1);
   helpers.getRegisterController().pushText('"', 'yank', '  a\nd', true);
   helpers.doKeys('2', 'p');
   eq('___\n  a\nd\n  a\nd', cm.getValue());
   helpers.assertCursorAt(1, 2);
 }, { value: '___' });
 testVim('P', function(cm, vim, helpers) {
   cm.setCursor(0, 1);
   helpers.getRegisterController().pushText('"', 'yank', 'abc\ndef', false);
   helpers.doKeys('P');
   eq('_abc\ndef__', cm.getValue());
   helpers.assertCursorAt(1, 3);
 }, { value: '___' });
 testVim('P_line', function(cm, vim, helpers) {
   cm.setCursor(0, 1);
   helpers.getRegisterController().pushText('"', 'yank', '  a\nd\n', true);
   helpers.doKeys('2', 'P');
   eq('  a\nd\n  a\nd\n___', cm.getValue());
   helpers.assertCursorAt(0, 2);
 }, { value: '___' });
 testVim('r', function(cm, vim, helpers) {
   cm.setCursor(0, 1);
   helpers.doKeys('3', 'r', 'u');
   eq('wuuuet\nanother', cm.getValue(),'3r failed');
   helpers.assertCursorAt(0, 3);
   cm.setCursor(0, 4);
   helpers.doKeys('v', 'j', 'h', 'r', '<Space>');
   eq('wuuu  \n    her', cm.getValue(),'Replacing selection by space-characters failed');
 }, { value: 'wordet\nanother' });
 testVim('R', function(cm, vim, helpers) {
   cm.setCursor(0, 1);
   helpers.doKeys('R');
   helpers.assertCursorAt(0, 1);
   eq('vim-replace', cm.getOption('keyMap'));
   is(cm.state.overwrite, 'Setting overwrite state failed');
 });
 testVim('mark', function(cm, vim, helpers) {
   cm.setCursor(2, 2);
   helpers.doKeys('m', 't');
   cm.setCursor(0, 0);
   helpers.doKeys('\'', 't');
   helpers.assertCursorAt(2, 2);
   cm.setCursor(0, 0);
   helpers.doKeys('`', 't');
   helpers.assertCursorAt(2, 2);
 });
 testVim('jumpToMark_next', function(cm, vim, helpers) {
   cm.setCursor(2, 2);
   helpers.doKeys('m', 't');
   cm.setCursor(0, 0);
   helpers.doKeys(']', '`');
   helpers.assertCursorAt(2, 2);
   cm.setCursor(0, 0);
   helpers.doKeys(']', '\'');
   helpers.assertCursorAt(2, 0);
 });
 testVim('jumpToMark_next_repeat', function(cm, vim, helpers) {
   cm.setCursor(2, 2);
   helpers.doKeys('m', 'a');
   cm.setCursor(3, 2);
   helpers.doKeys('m', 'b');
   cm.setCursor(4, 2);
   helpers.doKeys('m', 'c');
   cm.setCursor(0, 0);
   helpers.doKeys('2', ']', '`');
   helpers.assertCursorAt(3, 2);
   cm.setCursor(0, 0);
   helpers.doKeys('2', ']', '\'');
   helpers.assertCursorAt(3, 1);
 });
 testVim('jumpToMark_next_sameline', function(cm, vim, helpers) {
   cm.setCursor(2, 0);
   helpers.doKeys('m', 'a');
   cm.setCursor(2, 4);
   helpers.doKeys('m', 'b');
   cm.setCursor(2, 2);
   helpers.doKeys(']', '`');
   helpers.assertCursorAt(2, 4);
 });
 testVim('jumpToMark_next_onlyprev', function(cm, vim, helpers) {
   cm.setCursor(2, 0);
   helpers.doKeys('m', 'a');
   cm.setCursor(4, 0);
   helpers.doKeys(']', '`');
   helpers.assertCursorAt(4, 0);
 });
 testVim('jumpToMark_next_nomark', function(cm, vim, helpers) {
   cm.setCursor(2, 2);
   helpers.doKeys(']', '`');
   helpers.assertCursorAt(2, 2);
   helpers.doKeys(']', '\'');
   helpers.assertCursorAt(2, 0);
 });
 testVim('jumpToMark_next_linewise_over', function(cm, vim, helpers) {
   cm.setCursor(2, 2);
   helpers.doKeys('m', 'a');
   cm.setCursor(3, 4);
   helpers.doKeys('m', 'b');
   cm.setCursor(2, 1);
   helpers.doKeys(']', '\'');
   helpers.assertCursorAt(3, 1);
 });
 testVim('jumpToMark_next_action', function(cm, vim, helpers) {
   cm.setCursor(2, 2);
   helpers.doKeys('m', 't');
   cm.setCursor(0, 0);
   helpers.doKeys('d', ']', '`');
   helpers.assertCursorAt(0, 0);
   var actual = cm.getLine(0);
   var expected = 'pop pop 0 1 2 3 4';
   eq(actual, expected, "Deleting while jumping to the next mark failed.");
 });
 testVim('jumpToMark_next_line_action', function(cm, vim, helpers) {
   cm.setCursor(2, 2);
   helpers.doKeys('m', 't');
   cm.setCursor(0, 0);
   helpers.doKeys('d', ']', '\'');
   helpers.assertCursorAt(0, 1);
   var actual = cm.getLine(0);
   var expected = ' (a) [b] {c} '
   eq(actual, expected, "Deleting while jumping to the next mark line failed.");
 });
 testVim('jumpToMark_prev', function(cm, vim, helpers) {
   cm.setCursor(2, 2);
   helpers.doKeys('m', 't');
   cm.setCursor(4, 0);
   helpers.doKeys('[', '`');
   helpers.assertCursorAt(2, 2);
   cm.setCursor(4, 0);
   helpers.doKeys('[', '\'');
   helpers.assertCursorAt(2, 0);
 });
 testVim('jumpToMark_prev_repeat', function(cm, vim, helpers) {
   cm.setCursor(2, 2);
   helpers.doKeys('m', 'a');
   cm.setCursor(3, 2);
   helpers.doKeys('m', 'b');
   cm.setCursor(4, 2);
   helpers.doKeys('m', 'c');
   cm.setCursor(5, 0);
   helpers.doKeys('2', '[', '`');
   helpers.assertCursorAt(3, 2);
   cm.setCursor(5, 0);
   helpers.doKeys('2', '[', '\'');
   helpers.assertCursorAt(3, 1);
 });
 testVim('jumpToMark_prev_sameline', function(cm, vim, helpers) {
   cm.setCursor(2, 0);
   helpers.doKeys('m', 'a');
   cm.setCursor(2, 4);
   helpers.doKeys('m', 'b');
   cm.setCursor(2, 2);
   helpers.doKeys('[', '`');
   helpers.assertCursorAt(2, 0);
 });
 testVim('jumpToMark_prev_onlynext', function(cm, vim, helpers) {
   cm.setCursor(4, 4);
   helpers.doKeys('m', 'a');
   cm.setCursor(2, 0);
   helpers.doKeys('[', '`');
   helpers.assertCursorAt(2, 0);
 });
 testVim('jumpToMark_prev_nomark', function(cm, vim, helpers) {
   cm.setCursor(2, 2);
   helpers.doKeys('[', '`');
   helpers.assertCursorAt(2, 2);
   helpers.doKeys('[', '\'');
   helpers.assertCursorAt(2, 0);
 });
 testVim('jumpToMark_prev_linewise_over', function(cm, vim, helpers) {
   cm.setCursor(2, 2);
   helpers.doKeys('m', 'a');
   cm.setCursor(3, 4);
   helpers.doKeys('m', 'b');
   cm.setCursor(3, 6);
   helpers.doKeys('[', '\'');
   helpers.assertCursorAt(2, 0);
 });
 testVim('delmark_single', function(cm, vim, helpers) {
   cm.setCursor(1, 2);
   helpers.doKeys('m', 't');
   helpers.doEx('delmarks t');
   cm.setCursor(0, 0);
   helpers.doKeys('`', 't');
   helpers.assertCursorAt(0, 0);
 });
 testVim('delmark_range', function(cm, vim, helpers) {
   cm.setCursor(1, 2);
   helpers.doKeys('m', 'a');
   cm.setCursor(2, 2);
   helpers.doKeys('m', 'b');
   cm.setCursor(3, 2);
   helpers.doKeys('m', 'c');
   cm.setCursor(4, 2);
   helpers.doKeys('m', 'd');
   cm.setCursor(5, 2);
   helpers.doKeys('m', 'e');
   helpers.doEx('delmarks b-d');
   cm.setCursor(0, 0);
   helpers.doKeys('`', 'a');
   helpers.assertCursorAt(1, 2);
   helpers.doKeys('`', 'b');
   helpers.assertCursorAt(1, 2);
   helpers.doKeys('`', 'c');
   helpers.assertCursorAt(1, 2);
   helpers.doKeys('`', 'd');
   helpers.assertCursorAt(1, 2);
   helpers.doKeys('`', 'e');
   helpers.assertCursorAt(5, 2);
 });
 testVim('delmark_multi', function(cm, vim, helpers) {
   cm.setCursor(1, 2);
   helpers.doKeys('m', 'a');
   cm.setCursor(2, 2);
   helpers.doKeys('m', 'b');
   cm.setCursor(3, 2);
   helpers.doKeys('m', 'c');
   cm.setCursor(4, 2);
   helpers.doKeys('m', 'd');
   cm.setCursor(5, 2);
   helpers.doKeys('m', 'e');
   helpers.doEx('delmarks bcd');
   cm.setCursor(0, 0);
   helpers.doKeys('`', 'a');
   helpers.assertCursorAt(1, 2);
   helpers.doKeys('`', 'b');
   helpers.assertCursorAt(1, 2);
   helpers.doKeys('`', 'c');
   helpers.assertCursorAt(1, 2);
   helpers.doKeys('`', 'd');
   helpers.assertCursorAt(1, 2);
   helpers.doKeys('`', 'e');
   helpers.assertCursorAt(5, 2);
 });
 testVim('delmark_multi_space', function(cm, vim, helpers) {
   cm.setCursor(1, 2);
   helpers.doKeys('m', 'a');
   cm.setCursor(2, 2);
   helpers.doKeys('m', 'b');
   cm.setCursor(3, 2);
   helpers.doKeys('m', 'c');
   cm.setCursor(4, 2);
   helpers.doKeys('m', 'd');
   cm.setCursor(5, 2);
   helpers.doKeys('m', 'e');
   helpers.doEx('delmarks b c d');
   cm.setCursor(0, 0);
   helpers.doKeys('`', 'a');
   helpers.assertCursorAt(1, 2);
   helpers.doKeys('`', 'b');
   helpers.assertCursorAt(1, 2);
   helpers.doKeys('`', 'c');
   helpers.assertCursorAt(1, 2);
   helpers.doKeys('`', 'd');
   helpers.assertCursorAt(1, 2);
   helpers.doKeys('`', 'e');
   helpers.assertCursorAt(5, 2);
 });
 testVim('delmark_all', function(cm, vim, helpers) {
   cm.setCursor(1, 2);
   helpers.doKeys('m', 'a');
   cm.setCursor(2, 2);
   helpers.doKeys('m', 'b');
   cm.setCursor(3, 2);
   helpers.doKeys('m', 'c');
   cm.setCursor(4, 2);
   helpers.doKeys('m', 'd');
   cm.setCursor(5, 2);
   helpers.doKeys('m', 'e');
   helpers.doEx('delmarks a b-de');
   cm.setCursor(0, 0);
   helpers.doKeys('`', 'a');
   helpers.assertCursorAt(0, 0);
   helpers.doKeys('`', 'b');
   helpers.assertCursorAt(0, 0);
   helpers.doKeys('`', 'c');
   helpers.assertCursorAt(0, 0);
   helpers.doKeys('`', 'd');
   helpers.assertCursorAt(0, 0);
   helpers.doKeys('`', 'e');
   helpers.assertCursorAt(0, 0);
 });
 testVim('visual', function(cm, vim, helpers) {
   helpers.doKeys('l', 'v', 'l', 'l');
   helpers.assertCursorAt(0, 3);
   eqPos(makeCursor(0, 1), cm.getCursor('anchor'));
   helpers.doKeys('d');
   eq('15', cm.getValue());
 }, { value: '12345' });
 testVim('visual_line', function(cm, vim, helpers) {
   helpers.doKeys('l', 'V', 'l', 'j', 'j', 'd');
   eq(' 4\n 5', cm.getValue());
 }, { value: ' 1\n 2\n 3\n 4\n 5' });
 testVim('visual_marks', function(cm, vim, helpers) {
   helpers.doKeys('l', 'v', 'l', 'l', 'v');
   // Test visual mode marks
   cm.setCursor(0, 0);
   helpers.doKeys('\'', '<');
   helpers.assertCursorAt(0, 1);
   helpers.doKeys('\'', '>');
   helpers.assertCursorAt(0, 3);
 });
 testVim('visual_join', function(cm, vim, helpers) {
   helpers.doKeys('l', 'V', 'l', 'j', 'j', 'J');
   eq(' 1 2 3\n 4\n 5', cm.getValue());
 }, { value: ' 1\n 2\n 3\n 4\n 5' });
 testVim('visual_blank', function(cm, vim, helpers) {
   helpers.doKeys('v', 'k');
   eq(vim.visualMode, true);
 }, { value: '\n' });
 testVim('reselect_visual', function(cm, vim, helpers) {
   helpers.doKeys('l', 'v', 'l', 'l', 'y', 'g', 'v');
   helpers.assertCursorAt(0, 3);
   eqPos(makeCursor(0, 1), cm.getCursor('anchor'));
   helpers.doKeys('d');
   eq('15', cm.getValue());
 }, { value: '12345' });
 testVim('reselect_visual_line', function(cm, vim, helpers) {
   helpers.doKeys('l', 'V', 'l', 'j', 'j', 'V', 'g', 'v', 'd');
   eq(' 4\n 5', cm.getValue());
 }, { value: ' 1\n 2\n 3\n 4\n 5' });
 testVim('s_normal', function(cm, vim, helpers) {
   cm.setCursor(0, 1);
   helpers.doKeys('s');
   helpers.doInsertModeKeys('Esc');
   helpers.assertCursorAt(0, 0);
   eq('ac', cm.getValue());
 }, { value: 'abc'});
 testVim('s_visual', function(cm, vim, helpers) {
   cm.setCursor(0, 1);
   helpers.doKeys('v', 's');
   helpers.doInsertModeKeys('Esc');
   helpers.assertCursorAt(0, 0);
   eq('ac', cm.getValue());
 }, { value: 'abc'});
 testVim('o_visual', function(cm,vim,helpers) {
   cm.setCursor(0,0);
   helpers.doKeys('v','l','l','l','o');
   helpers.assertCursorAt(0,0);
   helpers.doKeys('v','v','j','j','j','o');
   helpers.assertCursorAt(0,0);
   helpers.doKeys('o');
   helpers.doKeys('l','l')
   helpers.assertCursorAt(3,2);
   helpers.doKeys('d');
   eq('p',cm.getValue());
 }, { value: 'abcd\nefgh\nijkl\nmnop'});
 testVim('S_normal', function(cm, vim, helpers) {
   cm.setCursor(0, 1);
   helpers.doKeys('j', 'S');
   helpers.doInsertModeKeys('Esc');
   helpers.assertCursorAt(1, 0);
   eq('aa\n\ncc', cm.getValue());
 }, { value: 'aa\nbb\ncc'});
 testVim('S_visual', function(cm, vim, helpers) {
   cm.setCursor(0, 1);
   helpers.doKeys('v', 'j', 'S');
   helpers.doInsertModeKeys('Esc');
   helpers.assertCursorAt(0, 0);
   eq('\ncc', cm.getValue());
 }, { value: 'aa\nbb\ncc'});
 testVim('/ and n/N', function(cm, vim, helpers) {
   cm.openDialog = helpers.fakeOpenDialog('match');
   helpers.doKeys('/');
   helpers.assertCursorAt(0, 11);
   helpers.doKeys('n');
   helpers.assertCursorAt(1, 6);
   helpers.doKeys('N');
   helpers.assertCursorAt(0, 11);
   cm.setCursor(0, 0);
   helpers.doKeys('2', '/');
   helpers.assertCursorAt(1, 6);
 }, { value: 'match nope match \n nope Match' });
 testVim('/_case', function(cm, vim, helpers) {
   cm.openDialog = helpers.fakeOpenDialog('Match');
   helpers.doKeys('/');
   helpers.assertCursorAt(1, 6);
 }, { value: 'match nope match \n nope Match' });
 testVim('/_2_pcre', function(cm, vim, helpers) {
   CodeMirror.Vim.setOption('pcre', true);
   cm.openDialog = helpers.fakeOpenDialog('(word){2}');
   helpers.doKeys('/');
   helpers.assertCursorAt(1, 9);
   helpers.doKeys('n');
   helpers.assertCursorAt(2, 1);
 }, { value: 'word\n another wordword\n wordwordword\n' });
 testVim('/_2_nopcre', function(cm, vim, helpers) {
   CodeMirror.Vim.setOption('pcre', false);
   cm.openDialog = helpers.fakeOpenDialog('\\(word\\)\\{2}');
   helpers.doKeys('/');
   helpers.assertCursorAt(1, 9);
   helpers.doKeys('n');
   helpers.assertCursorAt(2, 1);
 }, { value: 'word\n another wordword\n wordwordword\n' });
 testVim('/_nongreedy', function(cm, vim, helpers) {
   cm.openDialog = helpers.fakeOpenDialog('aa');
   helpers.doKeys('/');
   helpers.assertCursorAt(0, 4);
   helpers.doKeys('n');
   helpers.assertCursorAt(1, 3);
   helpers.doKeys('n');
   helpers.assertCursorAt(0, 0);
 }, { value: 'aaa aa \n a aa'});
 testVim('?_nongreedy', function(cm, vim, helpers) {
   cm.openDialog = helpers.fakeOpenDialog('aa');
   helpers.doKeys('?');
   helpers.assertCursorAt(1, 3);
   helpers.doKeys('n');
   helpers.assertCursorAt(0, 4);
   helpers.doKeys('n');
   helpers.assertCursorAt(0, 0);
 }, { value: 'aaa aa \n a aa'});
 testVim('/_greedy', function(cm, vim, helpers) {
   cm.openDialog = helpers.fakeOpenDialog('a+');
   helpers.doKeys('/');
   helpers.assertCursorAt(0, 4);
   helpers.doKeys('n');
   helpers.assertCursorAt(1, 1);
   helpers.doKeys('n');
   helpers.assertCursorAt(1, 3);
   helpers.doKeys('n');
   helpers.assertCursorAt(0, 0);
 }, { value: 'aaa aa \n a aa'});
 testVim('?_greedy', function(cm, vim, helpers) {
   cm.openDialog = helpers.fakeOpenDialog('a+');
   helpers.doKeys('?');
   helpers.assertCursorAt(1, 3);
   helpers.doKeys('n');
   helpers.assertCursorAt(1, 1);
   helpers.doKeys('n');
   helpers.assertCursorAt(0, 4);
   helpers.doKeys('n');
   helpers.assertCursorAt(0, 0);
 }, { value: 'aaa aa \n a aa'});
 testVim('/_greedy_0_or_more', function(cm, vim, helpers) {
   cm.openDialog = helpers.fakeOpenDialog('a*');
   helpers.doKeys('/');
   helpers.assertCursorAt(0, 3);
   helpers.doKeys('n');
   helpers.assertCursorAt(0, 4);
   helpers.doKeys('n');
   helpers.assertCursorAt(0, 5);
   helpers.doKeys('n');
   helpers.assertCursorAt(1, 0);
   helpers.doKeys('n');
   helpers.assertCursorAt(1, 1);
   helpers.doKeys('n');
   helpers.assertCursorAt(0, 0);
 }, { value: 'aaa  aa\n aa'});
 testVim('?_greedy_0_or_more', function(cm, vim, helpers) {
   cm.openDialog = helpers.fakeOpenDialog('a*');
   helpers.doKeys('?');
   helpers.assertCursorAt(1, 1);
   helpers.doKeys('n');
   helpers.assertCursorAt(1, 0);
   helpers.doKeys('n');
   helpers.assertCursorAt(0, 5);
   helpers.doKeys('n');
   helpers.assertCursorAt(0, 4);
   helpers.doKeys('n');
   helpers.assertCursorAt(0, 3);
   helpers.doKeys('n');
   helpers.assertCursorAt(0, 0);
 }, { value: 'aaa  aa\n aa'});
 testVim('? and n/N', function(cm, vim, helpers) {
   cm.openDialog = helpers.fakeOpenDialog('match');
   helpers.doKeys('?');
   helpers.assertCursorAt(1, 6);
   helpers.doKeys('n');
   helpers.assertCursorAt(0, 11);
   helpers.doKeys('N');
   helpers.assertCursorAt(1, 6);
   cm.setCursor(0, 0);
   helpers.doKeys('2', '?');
   helpers.assertCursorAt(0, 11);
 }, { value: 'match nope match \n nope Match' });
 testVim('*', function(cm, vim, helpers) {
   cm.setCursor(0, 9);
   helpers.doKeys('*');
   helpers.assertCursorAt(0, 22);
   cm.setCursor(0, 9);
   helpers.doKeys('2', '*');
   helpers.assertCursorAt(1, 8);
 }, { value: 'nomatch match nomatch match \nnomatch Match' });
 testVim('*_no_word', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('*');
   helpers.assertCursorAt(0, 0);
 }, { value: ' \n match \n' });
 testVim('*_symbol', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('*');
   helpers.assertCursorAt(1, 0);
 }, { value: ' /}\n/} match \n' });
 testVim('#', function(cm, vim, helpers) {
   cm.setCursor(0, 9);
   helpers.doKeys('#');
   helpers.assertCursorAt(1, 8);
   cm.setCursor(0, 9);
   helpers.doKeys('2', '#');
   helpers.assertCursorAt(0, 22);
 }, { value: 'nomatch match nomatch match \nnomatch Match' });
 testVim('*_seek', function(cm, vim, helpers) {
   // Should skip over space and symbols.
   cm.setCursor(0, 3);
   helpers.doKeys('*');
   helpers.assertCursorAt(0, 22);
 }, { value: '    :=  match nomatch match \nnomatch Match' });
 testVim('#', function(cm, vim, helpers) {
   // Should skip over space and symbols.
   cm.setCursor(0, 3);
   helpers.doKeys('#');
   helpers.assertCursorAt(1, 8);
 }, { value: '    :=  match nomatch match \nnomatch Match' });
 testVim('macro_insert', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('q', 'a', '0', 'i');
   cm.replaceRange('foo', cm.getCursor());
   helpers.doInsertModeKeys('Esc');
   helpers.doKeys('q', '@', 'a');
   eq('foofoo', cm.getValue());
 }, { value: ''});
 testVim('macro_space', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('<Space>', '<Space>');
   helpers.assertCursorAt(0, 2);
   helpers.doKeys('q', 'a', '<Space>', '<Space>', 'q');
   helpers.assertCursorAt(0, 4);
   helpers.doKeys('@', 'a');
   helpers.assertCursorAt(0, 6);
   helpers.doKeys('@', 'a');
   helpers.assertCursorAt(0, 8);
 }, { value: 'one line of text.'});
 testVim('macro_parens', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('q', 'z', 'i');
   cm.replaceRange('(', cm.getCursor());
   helpers.doInsertModeKeys('Esc');
   helpers.doKeys('e', 'a');
   cm.replaceRange(')', cm.getCursor());
   helpers.doInsertModeKeys('Esc');
   helpers.doKeys('q');
   helpers.doKeys('w', '@', 'z');
   helpers.doKeys('w', '@', 'z');
   eq('(see) (spot) (run)', cm.getValue());
 }, { value: 'see spot run'});
 testVim('macro_overwrite', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('q', 'z', '0', 'i');
   cm.replaceRange('I ', cm.getCursor());
   helpers.doInsertModeKeys('Esc');
   helpers.doKeys('q');
   helpers.doKeys('e');
   // Now replace the macro with something else.
   helpers.doKeys('q', 'z', 'a');
   cm.replaceRange('.', cm.getCursor());
   helpers.doInsertModeKeys('Esc');
   helpers.doKeys('q');
   helpers.doKeys('e', '@', 'z');
   helpers.doKeys('e', '@', 'z');
   eq('I see. spot. run.', cm.getValue());
 }, { value: 'see spot run'});
 testVim('macro_search_f', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('q', 'a', 'f', ' ');
   helpers.assertCursorAt(0,3);
   helpers.doKeys('q', '0');
   helpers.assertCursorAt(0,0);
   helpers.doKeys('@', 'a');
   helpers.assertCursorAt(0,3);
 }, { value: 'The quick brown fox jumped over the lazy dog.'});
 testVim('macro_search_2f', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('q', 'a', '2', 'f', ' ');
   helpers.assertCursorAt(0,9);
   helpers.doKeys('q', '0');
   helpers.assertCursorAt(0,0);
   helpers.doKeys('@', 'a');
   helpers.assertCursorAt(0,9);
 }, { value: 'The quick brown fox jumped over the lazy dog.'});
 testVim('yank_register', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('"', 'a', 'y', 'y');
   helpers.doKeys('j', '"', 'b', 'y', 'y');
   cm.openDialog = helpers.fakeOpenDialog('registers');
   cm.openNotification = helpers.fakeOpenNotification(function(text) {
     is(/a\s+foo/.test(text));
     is(/b\s+bar/.test(text));
   });
   helpers.doKeys(':');
 }, { value: 'foo\nbar'});
 testVim('macro_register', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('q', 'a', 'i');
   cm.replaceRange('gangnam', cm.getCursor());
   helpers.doInsertModeKeys('Esc');
   helpers.doKeys('q');
   helpers.doKeys('q', 'b', 'o');
   cm.replaceRange('style', cm.getCursor());
   helpers.doInsertModeKeys('Esc');
   helpers.doKeys('q');
   cm.openDialog = helpers.fakeOpenDialog('registers');
   cm.openNotification = helpers.fakeOpenNotification(function(text) {
     is(/a\s+i/.test(text));
     is(/b\s+o/.test(text));
   });
   helpers.doKeys(':');
 }, { value: ''});
 testVim('.', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('2', 'd', 'w');
   helpers.doKeys('.');
   eq('5 6', cm.getValue());
 }, { value: '1 2 3 4 5 6'});
 testVim('._repeat', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('2', 'd', 'w');
   helpers.doKeys('3', '.');
   eq('6', cm.getValue());
 }, { value: '1 2 3 4 5 6'});
 testVim('._insert', function(cm, vim, helpers) {
   helpers.doKeys('i');
   cm.replaceRange('test', cm.getCursor());
   helpers.doInsertModeKeys('Esc');
   helpers.doKeys('.');
   eq('testestt', cm.getValue());
   helpers.assertCursorAt(0, 6);
 }, { value: ''});
 testVim('._insert_repeat', function(cm, vim, helpers) {
   helpers.doKeys('i');
   cm.replaceRange('test', cm.getCursor());
   cm.setCursor(0, 4);
   helpers.doInsertModeKeys('Esc');
   helpers.doKeys('2', '.');
   eq('testesttestt', cm.getValue());
   helpers.assertCursorAt(0, 10);
 }, { value: ''});
 testVim('._repeat_insert', function(cm, vim, helpers) {
   helpers.doKeys('3', 'i');
   cm.replaceRange('te', cm.getCursor());
   cm.setCursor(0, 2);
   helpers.doInsertModeKeys('Esc');
   helpers.doKeys('.');
   eq('tetettetetee', cm.getValue());
   helpers.assertCursorAt(0, 10);
 }, { value: ''});
 testVim('._insert_o', function(cm, vim, helpers) {
   helpers.doKeys('o');
   cm.replaceRange('z', cm.getCursor());
   cm.setCursor(1, 1);
   helpers.doInsertModeKeys('Esc');
   helpers.doKeys('.');
   eq('\nz\nz', cm.getValue());
   helpers.assertCursorAt(2, 0);
 }, { value: ''});
 testVim('._insert_o_repeat', function(cm, vim, helpers) {
   helpers.doKeys('o');
   cm.replaceRange('z', cm.getCursor());
   helpers.doInsertModeKeys('Esc');
   cm.setCursor(1, 0);
   helpers.doKeys('2', '.');
   eq('\nz\nz\nz', cm.getValue());
   helpers.assertCursorAt(3, 0);
 }, { value: ''});
 testVim('._insert_o_indent', function(cm, vim, helpers) {
   helpers.doKeys('o');
   cm.replaceRange('z', cm.getCursor());
   helpers.doInsertModeKeys('Esc');
   cm.setCursor(1, 2);
   helpers.doKeys('.');
   eq('{\n  z\n  z', cm.getValue());
   helpers.assertCursorAt(2, 2);
 }, { value: '{'});
 testVim('._insert_cw', function(cm, vim, helpers) {
   helpers.doKeys('c', 'w');
   cm.replaceRange('test', cm.getCursor());
   helpers.doInsertModeKeys('Esc');
   cm.setCursor(0, 3);
   helpers.doKeys('2', 'l');
   helpers.doKeys('.');
   eq('test test word3', cm.getValue());
   helpers.assertCursorAt(0, 8);
 }, { value: 'word1 word2 word3' });
 testVim('._insert_cw_repeat', function(cm, vim, helpers) {
   // For some reason, repeat cw in desktop VIM will does not repeat insert mode
   // changes. Will conform to that behavior.
   helpers.doKeys('c', 'w');
   cm.replaceRange('test', cm.getCursor());
   helpers.doInsertModeKeys('Esc');
   cm.setCursor(0, 4);
   helpers.doKeys('l');
   helpers.doKeys('2', '.');
   eq('test test', cm.getValue());
   helpers.assertCursorAt(0, 8);
 }, { value: 'word1 word2 word3' });
 testVim('._delete', function(cm, vim, helpers) {
   cm.setCursor(0, 5);
   helpers.doKeys('i');
   helpers.doInsertModeKeys('Backspace', 'Esc');
   helpers.doKeys('.');
   eq('zace', cm.getValue());
   helpers.assertCursorAt(0, 1);
 }, { value: 'zabcde'});
 testVim('._delete_repeat', function(cm, vim, helpers) {
   cm.setCursor(0, 6);
   helpers.doKeys('i');
   helpers.doInsertModeKeys('Backspace', 'Esc');
   helpers.doKeys('2', '.');
   eq('zzce', cm.getValue());
   helpers.assertCursorAt(0, 1);
 }, { value: 'zzabcde'});
 testVim('f;', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('f', 'x');
   helpers.doKeys(';');
   helpers.doKeys('2', ';');
   eq(9, cm.getCursor().ch);
 }, { value: '01x3xx678x'});
 testVim('F;', function(cm, vim, helpers) {
   cm.setCursor(0, 8);
   helpers.doKeys('F', 'x');
   helpers.doKeys(';');
   helpers.doKeys('2', ';');
   eq(2, cm.getCursor().ch);
 }, { value: '01x3xx6x8x'});
 testVim('t;', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('t', 'x');
   helpers.doKeys(';');
   helpers.doKeys('2', ';');
   eq(8, cm.getCursor().ch);
 }, { value: '01x3xx678x'});
 testVim('T;', function(cm, vim, helpers) {
   cm.setCursor(0, 9);
   helpers.doKeys('T', 'x');
   helpers.doKeys(';');
   helpers.doKeys('2', ';');
   eq(2, cm.getCursor().ch);
 }, { value: '0xx3xx678x'});
 testVim('f,', function(cm, vim, helpers) {
   cm.setCursor(0, 6);
   helpers.doKeys('f', 'x');
   helpers.doKeys(',');
   helpers.doKeys('2', ',');
   eq(2, cm.getCursor().ch);
 }, { value: '01x3xx678x'});
 testVim('F,', function(cm, vim, helpers) {
   cm.setCursor(0, 3);
   helpers.doKeys('F', 'x');
   helpers.doKeys(',');
   helpers.doKeys('2', ',');
   eq(9, cm.getCursor().ch);
 }, { value: '01x3xx678x'});
 testVim('t,', function(cm, vim, helpers) {
   cm.setCursor(0, 6);
   helpers.doKeys('t', 'x');
   helpers.doKeys(',');
   helpers.doKeys('2', ',');
   eq(3, cm.getCursor().ch);
 }, { value: '01x3xx678x'});
 testVim('T,', function(cm, vim, helpers) {
   cm.setCursor(0, 4);
   helpers.doKeys('T', 'x');
   helpers.doKeys(',');
   helpers.doKeys('2', ',');
   eq(8, cm.getCursor().ch);
 }, { value: '01x3xx67xx'});
 testVim('fd,;', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('f', '4');
   cm.setCursor(0, 0);
   helpers.doKeys('d', ';');
   eq('56789', cm.getValue());
   helpers.doKeys('u');
   cm.setCursor(0, 9);
   helpers.doKeys('d', ',');
   eq('01239', cm.getValue());
 }, { value: '0123456789'});
 testVim('Fd,;', function(cm, vim, helpers) {
   cm.setCursor(0, 9);
   helpers.doKeys('F', '4');
   cm.setCursor(0, 9);
   helpers.doKeys('d', ';');
   eq('01239', cm.getValue());
   helpers.doKeys('u');
   cm.setCursor(0, 0);
   helpers.doKeys('d', ',');
   eq('56789', cm.getValue());
 }, { value: '0123456789'});
 testVim('td,;', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('t', '4');
   cm.setCursor(0, 0);
   helpers.doKeys('d', ';');
   eq('456789', cm.getValue());
   helpers.doKeys('u');
   cm.setCursor(0, 9);
   helpers.doKeys('d', ',');
   eq('012349', cm.getValue());
 }, { value: '0123456789'});
 testVim('Td,;', function(cm, vim, helpers) {
   cm.setCursor(0, 9);
   helpers.doKeys('T', '4');
   cm.setCursor(0, 9);
   helpers.doKeys('d', ';');
   eq('012349', cm.getValue());
   helpers.doKeys('u');
   cm.setCursor(0, 0);
   helpers.doKeys('d', ',');
   eq('456789', cm.getValue());
 }, { value: '0123456789'});
 testVim('fc,;', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('f', '4');
   cm.setCursor(0, 0);
   helpers.doKeys('c', ';', 'Esc');
   eq('56789', cm.getValue());
   helpers.doKeys('u');
   cm.setCursor(0, 9);
   helpers.doKeys('c', ',');
   eq('01239', cm.getValue());
 }, { value: '0123456789'});
 testVim('Fc,;', function(cm, vim, helpers) {
   cm.setCursor(0, 9);
   helpers.doKeys('F', '4');
   cm.setCursor(0, 9);
   helpers.doKeys('c', ';', 'Esc');
   eq('01239', cm.getValue());
   helpers.doKeys('u');
   cm.setCursor(0, 0);
   helpers.doKeys('c', ',');
   eq('56789', cm.getValue());
 }, { value: '0123456789'});
 testVim('tc,;', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('t', '4');
   cm.setCursor(0, 0);
   helpers.doKeys('c', ';', 'Esc');
   eq('456789', cm.getValue());
   helpers.doKeys('u');
   cm.setCursor(0, 9);
   helpers.doKeys('c', ',');
   eq('012349', cm.getValue());
 }, { value: '0123456789'});
 testVim('Tc,;', function(cm, vim, helpers) {
   cm.setCursor(0, 9);
   helpers.doKeys('T', '4');
   cm.setCursor(0, 9);
   helpers.doKeys('c', ';', 'Esc');
   eq('012349', cm.getValue());
   helpers.doKeys('u');
   cm.setCursor(0, 0);
   helpers.doKeys('c', ',');
   eq('456789', cm.getValue());
 }, { value: '0123456789'});
 testVim('fy,;', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('f', '4');
   cm.setCursor(0, 0);
   helpers.doKeys('y', ';', 'P');
   eq('012340123456789', cm.getValue());
   helpers.doKeys('u');
   cm.setCursor(0, 9);
   helpers.doKeys('y', ',', 'P');
   eq('012345678456789', cm.getValue());
 }, { value: '0123456789'});
 testVim('Fy,;', function(cm, vim, helpers) {
   cm.setCursor(0, 9);
   helpers.doKeys('F', '4');
   cm.setCursor(0, 9);
   helpers.doKeys('y', ';', 'p');
   eq('012345678945678', cm.getValue());
   helpers.doKeys('u');
   cm.setCursor(0, 0);
   helpers.doKeys('y', ',', 'P');
   eq('012340123456789', cm.getValue());
 }, { value: '0123456789'});
 testVim('ty,;', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('t', '4');
   cm.setCursor(0, 0);
   helpers.doKeys('y', ';', 'P');
   eq('01230123456789', cm.getValue());
   helpers.doKeys('u');
   cm.setCursor(0, 9);
   helpers.doKeys('y', ',', 'p');
   eq('01234567895678', cm.getValue());
 }, { value: '0123456789'});
 testVim('Ty,;', function(cm, vim, helpers) {
   cm.setCursor(0, 9);
   helpers.doKeys('T', '4');
   cm.setCursor(0, 9);
   helpers.doKeys('y', ';', 'p');
   eq('01234567895678', cm.getValue());
   helpers.doKeys('u');
   cm.setCursor(0, 0);
   helpers.doKeys('y', ',', 'P');
   eq('01230123456789', cm.getValue());
 }, { value: '0123456789'});
 testVim('HML', function(cm, vim, helpers) {
   var lines = 35;
   var textHeight = cm.defaultTextHeight();
   cm.setSize(600, lines*textHeight);
   cm.setCursor(120, 0);
   helpers.doKeys('H');
   helpers.assertCursorAt(86, 2);
   helpers.doKeys('L');
   helpers.assertCursorAt(120, 4);
   helpers.doKeys('M');
   helpers.assertCursorAt(103,4);
 }, { value: (function(){
   var lines = new Array(100);
   var upper = '  xx\n';
   var lower = '    xx\n';
   upper = lines.join(upper);
   lower = lines.join(lower);
   return upper + lower;
 })()});
 var zVals = ['zb','zz','zt','z-','z.','z<CR>'].map(function(e, idx){
   var lineNum = 250;
   var lines = 35;
   testVim(e, function(cm, vim, helpers) {
     var k1 = e[0];
     var k2 = e.substring(1);
     var textHeight = cm.defaultTextHeight();
     cm.setSize(600, lines*textHeight);
     cm.setCursor(lineNum, 0);
     helpers.doKeys(k1, k2);
     zVals[idx] = cm.getScrollInfo().top;
   }, { value: (function(){
     return new Array(500).join('\n');
   })()});
 });
 testVim('zb<zz', function(cm, vim, helpers){
   eq(zVals[0]<zVals[1], true);
 });
 testVim('zz<zt', function(cm, vim, helpers){
   eq(zVals[1]<zVals[2], true);
 });
 testVim('zb==z-', function(cm, vim, helpers){
   eq(zVals[0], zVals[3]);
 });
 testVim('zz==z.', function(cm, vim, helpers){
   eq(zVals[1], zVals[4]);
 });
 testVim('zt==z<CR>', function(cm, vim, helpers){
   eq(zVals[2], zVals[5]);
 });
 var moveTillCharacterSandbox =
   'The quick brown fox \n'
   'jumped over the lazy dog.'
 testVim('moveTillCharacter', function(cm, vim, helpers){
   cm.setCursor(0, 0);
   // Search for the 'q'.
   cm.openDialog = helpers.fakeOpenDialog('q');
   helpers.doKeys('/');
   eq(4, cm.getCursor().ch);
   // Jump to just before the first o in the list.
   helpers.doKeys('t');
   helpers.doKeys('o');
   eq('The quick brown fox \n', cm.getValue());
   // Delete that one character.
   helpers.doKeys('d');
   helpers.doKeys('t');
   helpers.doKeys('o');
   eq('The quick bown fox \n', cm.getValue());
   // Delete everything until the next 'o'.
   helpers.doKeys('.');
   eq('The quick box \n', cm.getValue());
   // An unmatched character should have no effect.
   helpers.doKeys('d');
   helpers.doKeys('t');
   helpers.doKeys('q');
   eq('The quick box \n', cm.getValue());
   // Matches should only be possible on single lines.
   helpers.doKeys('d');
   helpers.doKeys('t');
   helpers.doKeys('z');
   eq('The quick box \n', cm.getValue());
   // After all that, the search for 'q' should still be active, so the 'N' command
   // can run it again in reverse. Use that to delete everything back to the 'q'.
   helpers.doKeys('d');
   helpers.doKeys('N');
   eq('The ox \n', cm.getValue());
   eq(4, cm.getCursor().ch);
 }, { value: moveTillCharacterSandbox});
 testVim('searchForPipe', function(cm, vim, helpers){
   CodeMirror.Vim.setOption('pcre', false);
   cm.setCursor(0, 0);
   // Search for the '|'.
   cm.openDialog = helpers.fakeOpenDialog('|');
   helpers.doKeys('/');
   eq(4, cm.getCursor().ch);
 }, { value: 'this|that'});
 var scrollMotionSandbox =
   '\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n'
   '\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n'
   '\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n'
   '\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n';
 testVim('scrollMotion', function(cm, vim, helpers){
   var prevCursor, prevScrollInfo;
   cm.setCursor(0, 0);
   // ctrl-y at the top of the file should have no effect.
   helpers.doKeys('<C-y>');
   eq(0, cm.getCursor().line);
   prevScrollInfo = cm.getScrollInfo();
   helpers.doKeys('<C-e>');
   eq(1, cm.getCursor().line);
   is(prevScrollInfo.top < cm.getScrollInfo().top);
   // Jump to the end of the sandbox.
   cm.setCursor(1000, 0);
   prevCursor = cm.getCursor();
   // ctrl-e at the bottom of the file should have no effect.
   helpers.doKeys('<C-e>');
   eq(prevCursor.line, cm.getCursor().line);
   prevScrollInfo = cm.getScrollInfo();
   helpers.doKeys('<C-y>');
   eq(prevCursor.line - 1, cm.getCursor().line);
   is(prevScrollInfo.top > cm.getScrollInfo().top);
 }, { value: scrollMotionSandbox});
 var squareBracketMotionSandbox = ''+
   '({\n'+//0
   '  ({\n'+//11
   '  /*comment {\n'+//2
   '            */(\n'+//3
   '#else                \n'+//4
   '  /*       )\n'+//5
   '#if        }\n'+//6
   '  )}*/\n'+//7
   ')}\n'+//8
   '{}\n'+//9
   '#else {{\n'+//10
   '{}\n'+//11
   '}\n'+//12
   '{\n'+//13
   '#endif\n'+//14
   '}\n'+//15
   '}\n'+//16
   '#else';//17
 testVim('[[, ]]', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys(']', ']');
   helpers.assertCursorAt(9,0);
   helpers.doKeys('2', ']', ']');
   helpers.assertCursorAt(13,0);
   helpers.doKeys(']', ']');
   helpers.assertCursorAt(17,0);
   helpers.doKeys('[', '[');
   helpers.assertCursorAt(13,0);
   helpers.doKeys('2', '[', '[');
   helpers.assertCursorAt(9,0);
   helpers.doKeys('[', '[');
   helpers.assertCursorAt(0,0);
 }, { value: squareBracketMotionSandbox});
 testVim('[], ][', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys(']', '[');
   helpers.assertCursorAt(12,0);
   helpers.doKeys('2', ']', '[');
   helpers.assertCursorAt(16,0);
   helpers.doKeys(']', '[');
   helpers.assertCursorAt(17,0);
   helpers.doKeys('[', ']');
   helpers.assertCursorAt(16,0);
   helpers.doKeys('2', '[', ']');
   helpers.assertCursorAt(12,0);
   helpers.doKeys('[', ']');
   helpers.assertCursorAt(0,0);
 }, { value: squareBracketMotionSandbox});
 testVim('[{, ]}', function(cm, vim, helpers) {
   cm.setCursor(4, 10);
   helpers.doKeys('[', '{');
   helpers.assertCursorAt(2,12);
   helpers.doKeys('2', '[', '{');
   helpers.assertCursorAt(0,1);
   cm.setCursor(4, 10);
   helpers.doKeys(']', '}');
   helpers.assertCursorAt(6,11);
   helpers.doKeys('2', ']', '}');
   helpers.assertCursorAt(8,1);
   cm.setCursor(0,1);
   helpers.doKeys(']', '}');
   helpers.assertCursorAt(8,1);
   helpers.doKeys('[', '{');
   helpers.assertCursorAt(0,1);
 }, { value: squareBracketMotionSandbox});
 testVim('[(, ])', function(cm, vim, helpers) {
   cm.setCursor(4, 10);
   helpers.doKeys('[', '(');
   helpers.assertCursorAt(3,14);
   helpers.doKeys('2', '[', '(');
   helpers.assertCursorAt(0,0);
   cm.setCursor(4, 10);
   helpers.doKeys(']', ')');
   helpers.assertCursorAt(5,11);
   helpers.doKeys('2', ']', ')');
   helpers.assertCursorAt(8,0);
   helpers.doKeys('[', '(');
   helpers.assertCursorAt(0,0);
   helpers.doKeys(']', ')');
   helpers.assertCursorAt(8,0);
 }, { value: squareBracketMotionSandbox});
 testVim('[*, ]*, [/, ]/', function(cm, vim, helpers) {
   forEach(['*', '/'], function(key){
     cm.setCursor(7, 0);
     helpers.doKeys('2', '[', key);
     helpers.assertCursorAt(2,2);
     helpers.doKeys('2', ']', key);
     helpers.assertCursorAt(7,5);
   });
 }, { value: squareBracketMotionSandbox});
 testVim('[#, ]#', function(cm, vim, helpers) {
   cm.setCursor(10, 3);
   helpers.doKeys('2', '[', '#');
   helpers.assertCursorAt(4,0);
   helpers.doKeys('5', ']', '#');
   helpers.assertCursorAt(17,0);
   cm.setCursor(10, 3);
   helpers.doKeys(']', '#');
   helpers.assertCursorAt(14,0);
 }, { value: squareBracketMotionSandbox});
 testVim('[m, ]m, [M, ]M', function(cm, vim, helpers) {
   cm.setCursor(11, 0);
   helpers.doKeys('[', 'm');
   helpers.assertCursorAt(10,7);
   helpers.doKeys('4', '[', 'm');
   helpers.assertCursorAt(1,3);
   helpers.doKeys('5', ']', 'm');
   helpers.assertCursorAt(11,0);
   helpers.doKeys('[', 'M');
   helpers.assertCursorAt(9,1);
   helpers.doKeys('3', ']', 'M');
   helpers.assertCursorAt(15,0);
   helpers.doKeys('5', '[', 'M');
   helpers.assertCursorAt(7,3);
 }, { value: squareBracketMotionSandbox});
 // Ex mode tests
 testVim('ex_go_to_line', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doEx('4');
   helpers.assertCursorAt(3, 0);
 }, { value: 'a\nb\nc\nd\ne\n'});
 testVim('ex_write', function(cm, vim, helpers) {
   var tmp = CodeMirror.commands.save;
   var written;
   var actualCm;
   CodeMirror.commands.save = function(cm) {
     written = true;
     actualCm = cm;
   };
   // Test that w, wr, wri ... write all trigger :write.
   var command = 'write';
   for (var i = 1; i < command.length; i++) {
     written = false;
     actualCm = null;
     helpers.doEx(command.substring(0, i));
     eq(written, true);
     eq(actualCm, cm);
   }
   CodeMirror.commands.save = tmp;
 });
 testVim('ex_sort', function(cm, vim, helpers) {
   helpers.doEx('sort');
   eq('Z\na\nb\nc\nd', cm.getValue());
 }, { value: 'b\nZ\nd\nc\na'});
 testVim('ex_sort_reverse', function(cm, vim, helpers) {
   helpers.doEx('sort!');
   eq('d\nc\nb\na', cm.getValue());
 }, { value: 'b\nd\nc\na'});
 testVim('ex_sort_range', function(cm, vim, helpers) {
   helpers.doEx('2,3sort');
   eq('b\nc\nd\na', cm.getValue());
 }, { value: 'b\nd\nc\na'});
 testVim('ex_sort_oneline', function(cm, vim, helpers) {
   helpers.doEx('2sort');
   // Expect no change.
   eq('b\nd\nc\na', cm.getValue());
 }, { value: 'b\nd\nc\na'});
 testVim('ex_sort_ignoreCase', function(cm, vim, helpers) {
   helpers.doEx('sort i');
   eq('a\nb\nc\nd\nZ', cm.getValue());
 }, { value: 'b\nZ\nd\nc\na'});
 testVim('ex_sort_unique', function(cm, vim, helpers) {
   helpers.doEx('sort u');
   eq('Z\na\nb\nc\nd', cm.getValue());
 }, { value: 'b\nZ\na\na\nd\na\nc\na'});
 testVim('ex_sort_decimal', function(cm, vim, helpers) {
   helpers.doEx('sort d');
   eq('d3\n s5\n6\n.9', cm.getValue());
 }, { value: '6\nd3\n s5\n.9'});
 testVim('ex_sort_decimal_negative', function(cm, vim, helpers) {
   helpers.doEx('sort d');
   eq('z-9\nd3\n s5\n6\n.9', cm.getValue());
 }, { value: '6\nd3\n s5\n.9\nz-9'});
 testVim('ex_sort_decimal_reverse', function(cm, vim, helpers) {
   helpers.doEx('sort! d');
   eq('.9\n6\n s5\nd3', cm.getValue());
 }, { value: '6\nd3\n s5\n.9'});
 testVim('ex_sort_hex', function(cm, vim, helpers) {
   helpers.doEx('sort x');
   eq(' s5\n6\n.9\n&0xB\nd3', cm.getValue());
 }, { value: '6\nd3\n s5\n&0xB\n.9'});
 testVim('ex_sort_octal', function(cm, vim, helpers) {
   helpers.doEx('sort o');
   eq('.8\n.9\nd3\n s5\n6', cm.getValue());
 }, { value: '6\nd3\n s5\n.9\n.8'});
 testVim('ex_sort_decimal_mixed', function(cm, vim, helpers) {
   helpers.doEx('sort d');
   eq('y\nz\nc1\nb2\na3', cm.getValue());
 }, { value: 'a3\nz\nc1\ny\nb2'});
 testVim('ex_sort_decimal_mixed_reverse', function(cm, vim, helpers) {
   helpers.doEx('sort! d');
   eq('a3\nb2\nc1\nz\ny', cm.getValue());
 }, { value: 'a3\nz\nc1\ny\nb2'});
 // Basic substitute tests.
 testVim('ex_substitute_same_line', function(cm, vim, helpers) {
   cm.setCursor(1, 0);
   helpers.doEx('s/one/two');
   eq('one one\n two two', cm.getValue());
 }, { value: 'one one\n one one'});
 testVim('ex_substitute_global', function(cm, vim, helpers) {
   cm.setCursor(1, 0);
   helpers.doEx('%s/one/two');
   eq('two two\n two two', cm.getValue());
 }, { value: 'one one\n one one'});
 testVim('ex_substitute_input_range', function(cm, vim, helpers) {
   cm.setCursor(1, 0);
   helpers.doEx('1,3s/\\d/0');
   eq('0\n0\n0\n4', cm.getValue());
 }, { value: '1\n2\n3\n4' });
 testVim('ex_substitute_visual_range', function(cm, vim, helpers) {
   cm.setCursor(1, 0);
   // Set last visual mode selection marks '< and '> at lines 2 and 4
   helpers.doKeys('V', '2', 'j', 'v');
   helpers.doEx('\'<,\'>s/\\d/0');
   eq('1\n0\n0\n0\n5', cm.getValue());
 }, { value: '1\n2\n3\n4\n5' });
 testVim('ex_substitute_empty_query', function(cm, vim, helpers) {
   // If the query is empty, use last query.
   cm.setCursor(1, 0);
   cm.openDialog = helpers.fakeOpenDialog('1');
   helpers.doKeys('/');
   helpers.doEx('s//b');
   eq('abb ab2 ab3', cm.getValue());
 }, { value: 'a11 a12 a13' });
 testVim('ex_substitute_javascript', function(cm, vim, helpers) {
   CodeMirror.Vim.setOption('pcre', false);
   cm.setCursor(1, 0);
   // Throw all the things that javascript likes to treat as special values
   // into the replace part. All should be literal (this is VIM).
   helpers.doEx('s/\\(\\d+\\)/$$ $\' $` $& \\1/')
   eq('a $$ $\' $` $& 0 b', cm.getValue());
 }, { value: 'a 0 b' });
 // More complex substitute tests that test both pcre and nopcre options.
 function testSubstitute(name, options) {
   testVim(name + '_pcre', function(cm, vim, helpers) {
     cm.setCursor(1, 0);
     CodeMirror.Vim.setOption('pcre', true);
     helpers.doEx(options.expr);
     eq(options.expectedValue, cm.getValue());
   }, options);
   // If no noPcreExpr is defined, assume that it's the same as the expr.
   var noPcreExpr = options.noPcreExpr ? options.noPcreExpr : options.expr;
   testVim(name + '_nopcre', function(cm, vim, helpers) {
     cm.setCursor(1, 0);
     CodeMirror.Vim.setOption('pcre', false);
     helpers.doEx(noPcreExpr);
     eq(options.expectedValue, cm.getValue());
   }, options);
 }
 testSubstitute('ex_substitute_capture', {
   value: 'a11 a12 a13',
   expectedValue: 'a1111 a1212 a1313',
   // $n is a backreference
   expr: 's/(\\d+)/$1$1/',
   // \n is a backreference.
   noPcreExpr: 's/\\(\\d+\\)/\\1\\1/'});
 testSubstitute('ex_substitute_capture2', {
   value: 'a 0 b',
   expectedValue: 'a $00 b',
   expr: 's/(\\d+)/$$$1$1/',
   noPcreExpr: 's/\\(\\d+\\)/$\\1\\1/'});
 testSubstitute('ex_substitute_nocapture', {
   value: 'a11 a12 a13',
   expectedValue: 'a$1$1 a$1$1 a$1$1',
   expr: 's/(\\d+)/$$1$$1',
   noPcreExpr: 's/\\(\\d+\\)/$1$1/'});
 testSubstitute('ex_substitute_nocapture2', {
   value: 'a 0 b',
   expectedValue: 'a $10 b',
   expr: 's/(\\d+)/$$1$1',
   noPcreExpr: 's/\\(\\d+\\)/\\$1\\1/'});
 testSubstitute('ex_substitute_nocapture', {
   value: 'a b c',
   expectedValue: 'a $ c',
   expr: 's/b/$$/',
   noPcreExpr: 's/b/$/'});
 testSubstitute('ex_substitute_slash_regex', {
   value: 'one/two \n three/four',
   expectedValue: 'one|two \n three|four',
   expr: '%s/\\//|'});
 testSubstitute('ex_substitute_pipe_regex', {
   value: 'one|two \n three|four',
   expectedValue: 'one,two \n three,four',
   expr: '%s/\\|/,/',
   noPcreExpr: '%s/|/,/'});
 testSubstitute('ex_substitute_or_regex', {
   value: 'one|two \n three|four',
   expectedValue: 'ana|twa \n thraa|faar',
   expr: '%s/o|e|u/a',
   noPcreExpr: '%s/o\\|e\\|u/a'});
 testSubstitute('ex_substitute_or_word_regex', {
   value: 'one|two \n three|four',
   expectedValue: 'five|five \n three|four',
   expr: '%s/(one|two)/five/',
   noPcreExpr: '%s/\\(one\\|two\\)/five'});
 testSubstitute('ex_substitute_backslashslash_regex', {
   value: 'one\\two \n three\\four',
   expectedValue: 'one,two \n three,four',
   expr: '%s/\\\\/,'});
 testSubstitute('ex_substitute_slash_replacement', {
   value: 'one,two \n three,four',
   expectedValue: 'one/two \n three/four',
   expr: '%s/,/\\/'});
 testSubstitute('ex_substitute_backslash_replacement', {
   value: 'one,two \n three,four',
   expectedValue: 'one\\two \n three\\four',
   expr: '%s/,/\\\\/g'});
 testSubstitute('ex_substitute_multibackslash_replacement', {
   value: 'one,two \n three,four',
   expectedValue: 'one\\\\\\\\two \n three\\\\\\\\four', // 2*8 backslashes.
   expr: '%s/,/\\\\\\\\\\\\\\\\/g'}); // 16 backslashes.
 testSubstitute('ex_substitute_braces_word', {
   value: 'ababab abb ab{2}',
   expectedValue: 'ab abb ab{2}',
   expr: '%s/(ab){2}//g',
   noPcreExpr: '%s/\\(ab\\)\\{2\\}//g'});
 testSubstitute('ex_substitute_braces_range', {
   value: 'a aa aaa aaaa',
   expectedValue: 'a   a',
   expr: '%s/a{2,3}//g',
   noPcreExpr: '%s/a\\{2,3\\}//g'});
 testSubstitute('ex_substitute_braces_literal', {
   value: 'ababab abb ab{2}',
   expectedValue: 'ababab abb ',
   expr: '%s/ab\\{2\\}//g',
   noPcreExpr: '%s/ab{2}//g'});
 testSubstitute('ex_substitute_braces_char', {
   value: 'ababab abb ab{2}',
   expectedValue: 'ababab  ab{2}',
   expr: '%s/ab{2}//g',
   noPcreExpr: '%s/ab\\{2\\}//g'});
 testSubstitute('ex_substitute_braces_no_escape', {
   value: 'ababab abb ab{2}',
   expectedValue: 'ababab  ab{2}',
   expr: '%s/ab{2}//g',
   noPcreExpr: '%s/ab\\{2}//g'});
 testSubstitute('ex_substitute_count', {
   value: '1\n2\n3\n4',
   expectedValue: '1\n0\n0\n4',
   expr: 's/\\d/0/i 2'});
 testSubstitute('ex_substitute_count_with_range', {
   value: '1\n2\n3\n4',
   expectedValue: '1\n2\n0\n0',
   expr: '1,3s/\\d/0/ 3'});
 function testSubstituteConfirm(name, command, initialValue, expectedValue, keys, finalPos) {
   testVim(name, function(cm, vim, helpers) {
     var savedOpenDialog = cm.openDialog;
     var savedKeyName = CodeMirror.keyName;
     var onKeyDown;
     var recordedCallback;
     var closed = true; // Start out closed, set false on second openDialog.
     function close() {
       closed = true;
     }
     // First openDialog should save callback.
     cm.openDialog = function(template, callback, options) {
       recordedCallback = callback;
     }
     // Do first openDialog.
     helpers.doKeys(':');
     // Second openDialog should save keyDown handler.
     cm.openDialog = function(template, callback, options) {
       onKeyDown = options.onKeyDown;
       closed = false;
     };
     // Return the command to Vim and trigger second openDialog.
     recordedCallback(command);
     // The event should really use keyCode, but here just mock it out and use
     // key and replace keyName to just return key.
     CodeMirror.keyName = function (e) { return e.key; }
     keys = keys.toUpperCase();
     for (var i = 0; i < keys.length; i++) {
       is(!closed);
       onKeyDown({ key: keys.charAt(i) }, '', close);
     }
     try {
       eq(expectedValue, cm.getValue());
       helpers.assertCursorAt(finalPos);
       is(closed);
     } catch(e) {
       throw e
     } finally {
       // Restore overriden functions.
       CodeMirror.keyName = savedKeyName;
       cm.openDialog = savedOpenDialog;
     }
   }, { value: initialValue });
 };
 testSubstituteConfirm('ex_substitute_confirm_emptydoc',
     '%s/x/b/c', '', '', '', makeCursor(0, 0));
 testSubstituteConfirm('ex_substitute_confirm_nomatch',
     '%s/x/b/c', 'ba a\nbab', 'ba a\nbab', '', makeCursor(0, 0));
 testSubstituteConfirm('ex_substitute_confirm_accept',
     '%s/a/b/c', 'ba a\nbab', 'bb b\nbbb', 'yyy', makeCursor(1, 1));
 testSubstituteConfirm('ex_substitute_confirm_random_keys',
     '%s/a/b/c', 'ba a\nbab', 'bb b\nbbb', 'ysdkywerty', makeCursor(1, 1));
 testSubstituteConfirm('ex_substitute_confirm_some',
     '%s/a/b/c', 'ba a\nbab', 'bb a\nbbb', 'yny', makeCursor(1, 1));
 testSubstituteConfirm('ex_substitute_confirm_all',
     '%s/a/b/c', 'ba a\nbab', 'bb b\nbbb', 'a', makeCursor(1, 1));
 testSubstituteConfirm('ex_substitute_confirm_accept_then_all',
     '%s/a/b/c', 'ba a\nbab', 'bb b\nbbb', 'ya', makeCursor(1, 1));
 testSubstituteConfirm('ex_substitute_confirm_quit',
     '%s/a/b/c', 'ba a\nbab', 'bb a\nbab', 'yq', makeCursor(0, 3));
 testSubstituteConfirm('ex_substitute_confirm_last',
     '%s/a/b/c', 'ba a\nbab', 'bb b\nbab', 'yl', makeCursor(0, 3));
 testSubstituteConfirm('ex_substitute_confirm_oneline',
     '1s/a/b/c', 'ba a\nbab', 'bb b\nbab', 'yl', makeCursor(0, 3));
 testSubstituteConfirm('ex_substitute_confirm_range_accept',
     '1,2s/a/b/c', 'aa\na \na\na', 'bb\nb \na\na', 'yyy', makeCursor(1, 0));
 testSubstituteConfirm('ex_substitute_confirm_range_some',
     '1,3s/a/b/c', 'aa\na \na\na', 'ba\nb \nb\na', 'ynyy', makeCursor(2, 0));
 testSubstituteConfirm('ex_substitute_confirm_range_all',
     '1,3s/a/b/c', 'aa\na \na\na', 'bb\nb \nb\na', 'a', makeCursor(2, 0));
 testSubstituteConfirm('ex_substitute_confirm_range_last',
     '1,3s/a/b/c', 'aa\na \na\na', 'bb\nb \na\na', 'yyl', makeCursor(1, 0));
 //:noh should clear highlighting of search-results but allow to resume search through n
 testVim('ex_noh_clearSearchHighlight', function(cm, vim, helpers) {
   cm.openDialog = helpers.fakeOpenDialog('match');
   helpers.doKeys('?');
   helpers.doEx('noh');
   eq(vim.searchState_.getOverlay(),null,'match-highlighting wasn\'t cleared');
   helpers.doKeys('n');
   helpers.assertCursorAt(0, 11,'can\'t resume search after clearing highlighting');
 }, { value: 'match nope match \n nope Match' });
 testVim('set_boolean', function(cm, vim, helpers) {
   CodeMirror.Vim.defineOption('testoption', true, 'boolean');
   // Test default value is set.
   is(CodeMirror.Vim.getOption('testoption'));
   try {
     // Test fail to set to non-boolean
     CodeMirror.Vim.setOption('testoption', '5');
     fail();
   } catch (expected) {};
   // Test setOption
   CodeMirror.Vim.setOption('testoption', false);
   is(!CodeMirror.Vim.getOption('testoption'));
 });
 testVim('ex_set_boolean', function(cm, vim, helpers) {
   CodeMirror.Vim.defineOption('testoption', true, 'boolean');
   // Test default value is set.
   is(CodeMirror.Vim.getOption('testoption'));
   try {
     // Test fail to set to non-boolean
     helpers.doEx('set testoption=22');
     fail();
   } catch (expected) {};
   // Test setOption
   helpers.doEx('set notestoption');
   is(!CodeMirror.Vim.getOption('testoption'));
 });
 testVim('set_string', function(cm, vim, helpers) {
   CodeMirror.Vim.defineOption('testoption', 'a', 'string');
   // Test default value is set.
   eq('a', CodeMirror.Vim.getOption('testoption'));
   try {
     // Test fail to set non-string.
     CodeMirror.Vim.setOption('testoption', true);
     fail();
   } catch (expected) {};
   try {
     // Test fail to set 'notestoption'
     CodeMirror.Vim.setOption('notestoption', 'b');
     fail();
   } catch (expected) {};
   // Test setOption
   CodeMirror.Vim.setOption('testoption', 'c');
   eq('c', CodeMirror.Vim.getOption('testoption'));
 });
 testVim('ex_set_string', function(cm, vim, helpers) {
   CodeMirror.Vim.defineOption('testoption', 'a', 'string');
   // Test default value is set.
   eq('a', CodeMirror.Vim.getOption('testoption'));
   try {
     // Test fail to set 'notestoption'
     helpers.doEx('set notestoption=b');
     fail();
   } catch (expected) {};
   // Test setOption
   helpers.doEx('set testoption=c')
   eq('c', CodeMirror.Vim.getOption('testoption'));
 });
 // TODO: Reset key maps after each test.
 testVim('ex_map_key2key', function(cm, vim, helpers) {
   helpers.doEx('map a x');
   helpers.doKeys('a');
   helpers.assertCursorAt(0, 0);
   eq('bc', cm.getValue());
 }, { value: 'abc' });
 testVim('ex_unmap_key2key', function(cm, vim, helpers) {
   helpers.doEx('unmap a');
   helpers.doKeys('a');
   eq('vim-insert', cm.getOption('keyMap'));
 }, { value: 'abc' });
 testVim('ex_unmap_key2key_does_not_remove_default', function(cm, vim, helpers) {
   try {
     helpers.doEx('unmap a');
     fail();
   } catch (expected) {}
   helpers.doKeys('a');
   eq('vim-insert', cm.getOption('keyMap'));
 }, { value: 'abc' });
 testVim('ex_map_key2key_to_colon', function(cm, vim, helpers) {
   helpers.doEx('map ; :');
   var dialogOpened = false;
   cm.openDialog = function() {
     dialogOpened = true;
   }
   helpers.doKeys(';');
   eq(dialogOpened, true);
 });
 testVim('ex_map_ex2key:', function(cm, vim, helpers) {
   helpers.doEx('map :del x');
   helpers.doEx('del');
   helpers.assertCursorAt(0, 0);
   eq('bc', cm.getValue());
 }, { value: 'abc' });
 testVim('ex_map_ex2ex', function(cm, vim, helpers) {
   helpers.doEx('map :del :w');
   var tmp = CodeMirror.commands.save;
   var written = false;
   var actualCm;
   CodeMirror.commands.save = function(cm) {
     written = true;
     actualCm = cm;
   };
   helpers.doEx('del');
   CodeMirror.commands.save = tmp;
   eq(written, true);
   eq(actualCm, cm);
 });
 testVim('ex_map_key2ex', function(cm, vim, helpers) {
   helpers.doEx('map a :w');
   var tmp = CodeMirror.commands.save;
   var written = false;
   var actualCm;
   CodeMirror.commands.save = function(cm) {
     written = true;
     actualCm = cm;
   };
   helpers.doKeys('a');
   CodeMirror.commands.save = tmp;
   eq(written, true);
   eq(actualCm, cm);
 });
 testVim('ex_map_key2key_visual_api', function(cm, vim, helpers) {
   CodeMirror.Vim.map('b', ':w', 'visual');
   var tmp = CodeMirror.commands.save;
   var written = false;
   var actualCm;
   CodeMirror.commands.save = function(cm) {
     written = true;
     actualCm = cm;
   };
   // Mapping should not work in normal mode.
   helpers.doKeys('b');
   eq(written, false);
   // Mapping should work in visual mode.
   helpers.doKeys('v', 'b');
   eq(written, true);
   eq(actualCm, cm);
   CodeMirror.commands.save = tmp;
 });
 // Testing registration of functions as ex-commands and mapping to <Key>-keys
 testVim('ex_api_test', function(cm, vim, helpers) {
   var res=false;
   var val='from';
   CodeMirror.Vim.defineEx('extest','ext',function(cm,params){
     if(params.args)val=params.args[0];
     else res=true;
   });
   helpers.doEx(':ext to');
   eq(val,'to','Defining ex-command failed');
   CodeMirror.Vim.map('<C-CR><Space>',':ext');
   helpers.doKeys('<C-CR>','<Space>');
   is(res,'Mapping to key failed');
 });
 // For now, this test needs to be last because it messes up : for future tests.
 testVim('ex_map_key2key_from_colon', function(cm, vim, helpers) {
   helpers.doEx('map : x');
   helpers.doKeys(':');
   helpers.assertCursorAt(0, 0);
   eq('bc', cm.getValue());
 }, { value: 'abc' });
 // Test event handlers
 testVim('beforeSelectionChange', function(cm, vim, helpers) {
   cm.setCursor(0, 100);
   eqPos(cm.getCursor('head'), cm.getCursor('anchor'));
 }, { value: 'abc' });