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

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

browser/devtools/sourceeditor/test/cm_doc_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.

 (function() {
   // A minilanguage for instantiating linked CodeMirror instances and Docs
   function instantiateSpec(spec, place, opts) {
     var names = {}, pos = 0, l = spec.length, editors = [];
     while (spec) {
       var m = spec.match(/^(\w+)(\*?)(?:='([^\']*)'|<(~?)(\w+)(?:\/(\d+)-(\d+))?)\s*/);
       var name = m[1], isDoc = m[2], cur;
       if (m[3]) {
         cur = isDoc ? CodeMirror.Doc(m[3]) : CodeMirror(place, clone(opts, {value: m[3]}));
       } else {
         var other = m[5];
         if (!names.hasOwnProperty(other)) {
           names[other] = editors.length;
           editors.push(CodeMirror(place, opts));
         }
         var doc = editors[names[other]].linkedDoc({
           sharedHist: !m[4],
           from: m[6] ? Number(m[6]) : null,
           to: m[7] ? Number(m[7]) : null
         });
         cur = isDoc ? doc : CodeMirror(place, clone(opts, {value: doc}));
       }
       names[name] = editors.length;
       editors.push(cur);
       spec = spec.slice(m[0].length);
     }
     return editors;
   }
   function clone(obj, props) {
     if (!obj) return;
     clone.prototype = obj;
     var inst = new clone();
     if (props) for (var n in props) if (props.hasOwnProperty(n))
       inst[n] = props[n];
     return inst;
   }
   function eqAll(val) {
     var end = arguments.length, msg = null;
     if (typeof arguments[end-1] == "string")
       msg = arguments[--end];
     if (i == end) throw new Error("No editors provided to eqAll");
     for (var i = 1; i < end; ++i)
       eq(arguments[i].getValue(), val, msg)
   }
   function testDoc(name, spec, run, opts, expectFail) {
     if (!opts) opts = {};
     return test("doc_" + name, function() {
       var place = document.getElementById("testground");
       var editors = instantiateSpec(spec, place, opts);
       var successful = false;
       try {
         run.apply(null, editors);
         successful = true;
       } finally {
         if (!successful || verbose) {
           place.style.visibility = "visible";
         } else {
           for (var i = 0; i < editors.length; ++i)
             if (editors[i] instanceof CodeMirror)
               place.removeChild(editors[i].getWrapperElement());
         }
       }
     }, expectFail);
   }
   var ie_lt8 = /MSIE [1-7]\b/.test(navigator.userAgent);
   function testBasic(a, b) {
     eqAll("x", a, b);
     a.setValue("hey");
     eqAll("hey", a, b);
     b.setValue("wow");
     eqAll("wow", a, b);
     a.replaceRange("u\nv\nw", Pos(0, 3));
     b.replaceRange("i", Pos(0, 4));
     b.replaceRange("j", Pos(2, 1));
     eqAll("wowui\nv\nwj", a, b);
   }
   testDoc("basic", "A='x' B<A", testBasic);
   testDoc("basicSeparate", "A='x' B<~A", testBasic);
   testDoc("sharedHist", "A='ab\ncd\nef' B<A", function(a, b) {
     a.replaceRange("x", Pos(0));
     b.replaceRange("y", Pos(1));
     a.replaceRange("z", Pos(2));
     eqAll("abx\ncdy\nefz", a, b);
     a.undo();
     a.undo();
     eqAll("abx\ncd\nef", a, b);
     a.redo();
     eqAll("abx\ncdy\nef", a, b);
     b.redo();
     eqAll("abx\ncdy\nefz", a, b);
     a.undo(); b.undo(); a.undo(); a.undo();
     eqAll("ab\ncd\nef", a, b);
   }, null, ie_lt8);
   testDoc("undoIntact", "A='ab\ncd\nef' B<~A", function(a, b) {
     a.replaceRange("x", Pos(0));
     b.replaceRange("y", Pos(1));
     a.replaceRange("z", Pos(2));
     a.replaceRange("q", Pos(0));
     eqAll("abxq\ncdy\nefz", a, b);
     a.undo();
     a.undo();
     eqAll("abx\ncdy\nef", a, b);
     b.undo();
     eqAll("abx\ncd\nef", a, b);
     a.redo();
     eqAll("abx\ncd\nefz", a, b);
     a.redo();
     eqAll("abxq\ncd\nefz", a, b);
     a.undo(); a.undo(); a.undo(); a.undo();
     eqAll("ab\ncd\nef", a, b);
     b.redo();
     eqAll("ab\ncdy\nef", a, b);
   });
   testDoc("undoConflict", "A='ab\ncd\nef' B<~A", function(a, b) {
     a.replaceRange("x", Pos(0));
     a.replaceRange("z", Pos(2));
     // This should clear the first undo event in a, but not the second
     b.replaceRange("y", Pos(0));
     a.undo(); a.undo();
     eqAll("abxy\ncd\nef", a, b);
     a.replaceRange("u", Pos(2));
     a.replaceRange("v", Pos(0));
     // This should clear both events in a
     b.replaceRange("w", Pos(0));
     a.undo(); a.undo();
     eqAll("abxyvw\ncd\nefu", a, b);
   });
   testDoc("doubleRebase", "A='ab\ncd\nef\ng' B<~A C<B", function(a, b, c) {
     c.replaceRange("u", Pos(3));
     a.replaceRange("", Pos(0, 0), Pos(1, 0));
     c.undo();
     eqAll("cd\nef\ng", a, b, c);
   });
   testDoc("undoUpdate", "A='ab\ncd\nef' B<~A", function(a, b) {
     a.replaceRange("x", Pos(2));
     b.replaceRange("u\nv\nw\n", Pos(0, 0));
     a.undo();
     eqAll("u\nv\nw\nab\ncd\nef", a, b);
     a.redo();
     eqAll("u\nv\nw\nab\ncd\nefx", a, b);
     a.undo();
     eqAll("u\nv\nw\nab\ncd\nef", a, b);
     b.undo();
     a.redo();
     eqAll("ab\ncd\nefx", a, b);
     a.undo();
     eqAll("ab\ncd\nef", a, b);
   });
   testDoc("undoKeepRanges", "A='abcdefg' B<A", function(a, b) {
     var m = a.markText(Pos(0, 1), Pos(0, 3), {className: "foo"});
     b.replaceRange("x", Pos(0, 0));
     eqPos(m.find().from, Pos(0, 2));
     b.replaceRange("yzzy", Pos(0, 1), Pos(0));
     eq(m.find(), null);
     b.undo();
     eqPos(m.find().from, Pos(0, 2));
     b.undo();
     eqPos(m.find().from, Pos(0, 1));
   });
   testDoc("longChain", "A='uv' B<A C<B D<C", function(a, b, c, d) {
     a.replaceSelection("X");
     eqAll("Xuv", a, b, c, d);
     d.replaceRange("Y", Pos(0));
     eqAll("XuvY", a, b, c, d);
   });
   testDoc("broadCast", "B<A C<A D<A E<A", function(a, b, c, d, e) {
     b.setValue("uu");
     eqAll("uu", a, b, c, d, e);
     a.replaceRange("v", Pos(0, 1));
     eqAll("uvu", a, b, c, d, e);
   });
   // A and B share a history, C and D share a separate one
   testDoc("islands", "A='x\ny\nz' B<A C<~A D<C", function(a, b, c, d) {
     a.replaceRange("u", Pos(0));
     d.replaceRange("v", Pos(2));
     b.undo();
     eqAll("x\ny\nzv", a, b, c, d);
     c.undo();
     eqAll("x\ny\nz", a, b, c, d);
     a.redo();
     eqAll("xu\ny\nz", a, b, c, d);
     d.redo();
     eqAll("xu\ny\nzv", a, b, c, d);
   });
   testDoc("unlink", "B<A C<A D<B", function(a, b, c, d) {
     a.setValue("hi");
     b.unlinkDoc(a);
     d.setValue("aye");
     eqAll("hi", a, c);
     eqAll("aye", b, d);
     a.setValue("oo");
     eqAll("oo", a, c);
     eqAll("aye", b, d);
   });
   testDoc("bareDoc", "A*='foo' B*<A C<B", function(a, b, c) {
     is(a instanceof CodeMirror.Doc);
     is(b instanceof CodeMirror.Doc);
     is(c instanceof CodeMirror);
     eqAll("foo", a, b, c);
     a.replaceRange("hey", Pos(0, 0), Pos(0));
     c.replaceRange("!", Pos(0));
     eqAll("hey!", a, b, c);
     b.unlinkDoc(a);
     b.setValue("x");
     eqAll("x", b, c);
     eqAll("hey!", a);
   });
   testDoc("swapDoc", "A='a' B*='b' C<A", function(a, b, c) {
     var d = a.swapDoc(b);
     d.setValue("x");
     eqAll("x", c, d);
     eqAll("b", a, b);
   });
   testDoc("docKeepsScroll", "A='x' B*='y'", function(a, b) {
     addDoc(a, 200, 200);
     a.scrollIntoView(Pos(199, 200));
     var c = a.swapDoc(b);
     a.swapDoc(c);
     var pos = a.getScrollInfo();
     is(pos.left > 0, "not at left");
     is(pos.top > 0, "not at top");
   });
   testDoc("copyDoc", "A='u'", function(a) {
     var copy = a.getDoc().copy(true);
     a.setValue("foo");
     copy.setValue("bar");
     var old = a.swapDoc(copy);
     eq(a.getValue(), "bar");
     a.undo();
     eq(a.getValue(), "u");
     a.swapDoc(old);
     eq(a.getValue(), "foo");
     eq(old.historySize().undo, 1);
     eq(old.copy(false).historySize().undo, 0);
   });
   testDoc("docKeepsMode", "A='1+1'", function(a) {
     var other = CodeMirror.Doc("hi", "text/x-markdown");
     a.setOption("mode", "text/javascript");
     var old = a.swapDoc(other);
     eq(a.getOption("mode"), "text/x-markdown");
     eq(a.getMode().name, "markdown");
     a.swapDoc(old);
     eq(a.getOption("mode"), "text/javascript");
     eq(a.getMode().name, "javascript");
   });
   testDoc("subview", "A='1\n2\n3\n4\n5' B<~A/1-3", function(a, b) {
     eq(b.getValue(), "2\n3");
     eq(b.firstLine(), 1);
     b.setCursor(Pos(4));
     eqPos(b.getCursor(), Pos(2, 1));
     a.replaceRange("-1\n0\n", Pos(0, 0));
     eq(b.firstLine(), 3);
     eqPos(b.getCursor(), Pos(4, 1));
     a.undo();
     eqPos(b.getCursor(), Pos(2, 1));
     b.replaceRange("oyoy\n", Pos(2, 0));
     eq(a.getValue(), "1\n2\noyoy\n3\n4\n5");
     b.undo();
     eq(a.getValue(), "1\n2\n3\n4\n5");
   });
   testDoc("subviewEditOnBoundary", "A='11\n22\n33\n44\n55' B<~A/1-4", function(a, b) {
     a.replaceRange("x\nyy\nz", Pos(0, 1), Pos(2, 1));
     eq(b.firstLine(), 2);
     eq(b.lineCount(), 2);
     eq(b.getValue(), "z3\n44");
     a.replaceRange("q\nrr\ns", Pos(3, 1), Pos(4, 1));
     eq(b.firstLine(), 2);
     eq(b.getValue(), "z3\n4q");
     eq(a.getValue(), "1x\nyy\nz3\n4q\nrr\ns5");
     a.execCommand("selectAll");
     a.replaceSelection("!");
     eqAll("!", a, b);
   });
   testDoc("sharedMarker", "A='ab\ncd\nef\ngh' B<A C<~A/1-2", function(a, b, c) {
     var mark = b.markText(Pos(0, 1), Pos(3, 1),
                           {className: "cm-searching", shared: true});
     var found = a.findMarksAt(Pos(0, 2));
     eq(found.length, 1);
     eq(found[0], mark);
     eq(c.findMarksAt(Pos(1, 1)).length, 1);
     eqPos(mark.find().from, Pos(0, 1));
     eqPos(mark.find().to, Pos(3, 1));
     b.replaceRange("x\ny\n", Pos(0, 0));
     eqPos(mark.find().from, Pos(2, 1));
     eqPos(mark.find().to, Pos(5, 1));
     var cleared = 0;
     CodeMirror.on(mark, "clear", function() {++cleared;});
     b.operation(function(){mark.clear();});
     eq(a.findMarksAt(Pos(3, 1)).length, 0);
     eq(b.findMarksAt(Pos(3, 1)).length, 0);
     eq(c.findMarksAt(Pos(3, 1)).length, 0);
     eq(mark.find(), null);
     eq(cleared, 1);
   });
   testDoc("sharedBookmark", "A='ab\ncd\nef\ngh' B<A C<~A/1-2", function(a, b, c) {
     var mark = b.setBookmark(Pos(1, 1), {shared: true});
     var found = a.findMarksAt(Pos(1, 1));
     eq(found.length, 1);
     eq(found[0], mark);
     eq(c.findMarksAt(Pos(1, 1)).length, 1);
     eqPos(mark.find(), Pos(1, 1));
     b.replaceRange("x\ny\n", Pos(0, 0));
     eqPos(mark.find(), Pos(3, 1));
     var cleared = 0;
     CodeMirror.on(mark, "clear", function() {++cleared;});
     b.operation(function() {mark.clear();});
     eq(a.findMarks(Pos(0, 0), Pos(5)).length, 0);
     eq(b.findMarks(Pos(0, 0), Pos(5)).length, 0);
     eq(c.findMarks(Pos(0, 0), Pos(5)).length, 0);
     eq(mark.find(), null);
     eq(cleared, 1);
   });
   testDoc("undoInSubview", "A='line 0\nline 1\nline 2\nline 3\nline 4' B<A/1-4", function(a, b) {
     b.replaceRange("x", Pos(2, 0));
     a.undo();
     eq(a.getValue(), "line 0\nline 1\nline 2\nline 3\nline 4");
     eq(b.getValue(), "line 1\nline 2\nline 3");
   });
 })();