The Tor Browser / file revision

 (function() {

   "use strict";

   var Pos = CodeMirror.Pos;

   namespace = "emacs_";

   var eventCache = {};

   function fakeEvent(keyName) {

     var event = eventCache[key];

     if (event) return event;

     var ctrl, shift, alt;

     var key = keyName.replace(/\w+-/g, function(type) {

       if (type == "Ctrl-") ctrl = true;

       else if (type == "Alt-") alt = true;

       else if (type == "Shift-") shift = true;

       return "";

     });

     var code;

     for (var c in CodeMirror.keyNames)

       if (CodeMirror.keyNames[c] == key) { code = c; break; }

     if (c == null) throw new Error("Unknown key: " + key);

     return eventCache[keyName] = {

       type: "keydown", keyCode: code, ctrlKey: ctrl, shiftKey: shift, altKey: alt,

       preventDefault: function(){}, stopPropagation: function(){}

     };

   }

   function sim(name, start /*, actions... */) {

     var keys = Array.prototype.slice.call(arguments, 2);

     testCM(name, function(cm) {

       for (var i = 0; i < keys.length; ++i) {

         var cur = keys[i];

         if (cur instanceof Pos) cm.setCursor(cur);

         else if (cur.call) cur(cm);

         else cm.triggerOnKeyDown(fakeEvent(cur));

       }

     }, {keyMap: "emacs", value: start, mode: "javascript"});

   }

   function at(line, ch) { return function(cm) { eqPos(cm.getCursor(), Pos(line, ch)); }; }

   function txt(str) { return function(cm) { eq(cm.getValue(), str); }; }

   sim("motionHSimple", "abc", "Ctrl-F", "Ctrl-F", "Ctrl-B", at(0, 1));

   sim("motionHMulti", "abcde",

       "Ctrl-4", "Ctrl-F", at(0, 4), "Ctrl--", "Ctrl-2", "Ctrl-F", at(0, 2),

       "Ctrl-5", "Ctrl-B", at(0, 0));

   sim("motionHWord", "abc. def ghi",

       "Alt-F", at(0, 3), "Alt-F", at(0, 8),

       "Ctrl-B", "Alt-B", at(0, 5), "Alt-B", at(0, 0));

   sim("motionHWordMulti", "abc. def ghi ",

       "Ctrl-3", "Alt-F", at(0, 12), "Ctrl-2", "Alt-B", at(0, 5),

       "Ctrl--", "Alt-B", at(0, 8));

   sim("motionVSimple", "a\nb\nc\n", "Ctrl-N", "Ctrl-N", "Ctrl-P", at(1, 0));

   sim("motionVMulti", "a\nb\nc\nd\ne\n",

       "Ctrl-2", "Ctrl-N", at(2, 0), "Ctrl-F", "Ctrl--", "Ctrl-N", at(1, 1),

       "Ctrl--", "Ctrl-3", "Ctrl-P", at(4, 1));

   sim("killYank", "abc\ndef\nghi",

       "Ctrl-F", "Ctrl-Space", "Ctrl-N", "Ctrl-N", "Ctrl-W", "Ctrl-E", "Ctrl-Y",

       txt("ahibc\ndef\ng"));

   sim("killRing", "abcdef",

       "Ctrl-Space", "Ctrl-F", "Ctrl-W", "Ctrl-Space", "Ctrl-F", "Ctrl-W",

       "Ctrl-Y", "Alt-Y",

       txt("acdef"));

   sim("copyYank", "abcd",

       "Ctrl-Space", "Ctrl-E", "Alt-W", "Ctrl-Y",

       txt("abcdabcd"));

   sim("killLineSimple", "foo\nbar", "Ctrl-F", "Ctrl-K", txt("f\nbar"));

   sim("killLineEmptyLine", "foo\n  \nbar", "Ctrl-N", "Ctrl-K", txt("foo\nbar"));

   sim("killLineMulti", "foo\nbar\nbaz",

       "Ctrl-F", "Ctrl-F", "Ctrl-K", "Ctrl-K", "Ctrl-K", "Ctrl-A", "Ctrl-Y",

       txt("o\nbarfo\nbaz"));

   sim("moveByParagraph", "abc\ndef\n\n\nhij\nklm\n\n",

       "Ctrl-F", "Ctrl-Down", at(2, 0), "Ctrl-Down", at(6, 0),

       "Ctrl-N", "Ctrl-Up", at(3, 0), "Ctrl-Up", at(0, 0),

       Pos(1, 2), "Ctrl-Down", at(2, 0), Pos(4, 2), "Ctrl-Up", at(3, 0));

   sim("moveByParagraphMulti", "abc\n\ndef\n\nhij\n\nklm",

       "Ctrl-U", "2", "Ctrl-Down", at(3, 0),

       "Shift-Alt-.", "Ctrl-3", "Ctrl-Up", at(1, 0));

   sim("moveBySentence", "sentence one! sentence\ntwo\n\nparagraph two",

       "Alt-E", at(0, 13), "Alt-E", at(1, 3), "Ctrl-F", "Alt-A", at(0, 13));

   sim("moveByExpr", "function foo(a, b) {}",

       "Ctrl-Alt-F", at(0, 8), "Ctrl-Alt-F", at(0, 12), "Ctrl-Alt-F", at(0, 18),

       "Ctrl-Alt-B", at(0, 12), "Ctrl-Alt-B", at(0, 9));

   sim("moveByExprMulti", "foo bar baz bug",

       "Ctrl-2", "Ctrl-Alt-F", at(0, 7),

       "Ctrl--", "Ctrl-Alt-F", at(0, 4),

       "Ctrl--", "Ctrl-2", "Ctrl-Alt-B", at(0, 11));

   sim("delExpr", "var x = [\n  a,\n  b\n  c\n];",

       Pos(0, 8), "Ctrl-Alt-K", txt("var x = ;"), "Ctrl-/",

       Pos(4, 1), "Ctrl-Alt-Backspace", txt("var x = ;"));

   sim("delExprMulti", "foo bar baz",

       "Ctrl-2", "Ctrl-Alt-K", txt(" baz"),

       "Ctrl-/", "Ctrl-E", "Ctrl-2", "Ctrl-Alt-Backspace", txt("foo "));

   sim("justOneSpace", "hi      bye  ",

       Pos(0, 4), "Alt-Space", txt("hi bye  "),

       Pos(0, 4), "Alt-Space", txt("hi b ye  "),

       "Ctrl-A", "Alt-Space", "Ctrl-E", "Alt-Space", txt(" hi b ye "));

   sim("openLine", "foo bar", "Alt-F", "Ctrl-O", txt("foo\n bar"))

   sim("transposeChar", "abcd\n\ne",

       "Ctrl-F", "Ctrl-T", "Ctrl-T", txt("bcad\n\ne"), at(0, 3),

       "Ctrl-F", "Ctrl-T", "Ctrl-T", "Ctrl-T", txt("bcda\n\ne"), at(0, 4),

       "Ctrl-F", "Ctrl-T", txt("bcd\na\ne"), at(1, 1));

   sim("manipWordCase", "foo BAR bAZ",

       "Alt-C", "Alt-L", "Alt-U", txt("Foo bar BAZ"),

       "Ctrl-A", "Alt-U", "Alt-L", "Alt-C", txt("FOO bar Baz"));

   sim("manipWordCaseMulti", "foo Bar bAz",

       "Ctrl-2", "Alt-U", txt("FOO BAR bAz"),

       "Ctrl-A", "Ctrl-3", "Alt-C", txt("Foo Bar Baz"));

   sim("upExpr", "foo {\n  bar[];\n  baz(blah);\n}",

       Pos(2, 7), "Ctrl-Alt-U", at(2, 5), "Ctrl-Alt-U", at(0, 4));

   sim("transposeExpr", "do foo[bar] dah",

       Pos(0, 6), "Ctrl-Alt-T", txt("do [bar]foo dah"));

   sim("clearMark", "abcde", Pos(0, 2), "Ctrl-Space", "Ctrl-F", "Ctrl-F",

       "Ctrl-G", "Ctrl-W", txt("abcde"));

   testCM("save", function(cm) {

     var saved = false;

     CodeMirror.commands.save = function(cm) { saved = cm.getValue(); };

     cm.triggerOnKeyDown(fakeEvent("Ctrl-X"));

     cm.triggerOnKeyDown(fakeEvent("Ctrl-S"));

     is(saved, "hi");

   }, {value: "hi", keyMap: "emacs"});

 })();