From 5e75c0a8679e5195a45d506de3461fd8109e7764 Mon Sep 17 00:00:00 2001
From: Gabriel Luong <gabriel.luong@gmail.com>
Date: Tue, 26 Apr 2016 11:44:18 -0400
Subject: [PATCH] Bug 1266267 - Upgrade to CodeMirror 5.14.2 r=bgrins

---
 .../client/sourceeditor/codemirror/README     |  2 +-
 .../codemirror/addon/comment/comment.js       | 11 +++-
 .../codemirror/addon/hint/show-hint.js        | 63 ++++++++-----------
 .../addon/search/match-highlighter.js         | 51 +++++++--------
 .../codemirror/addon/search/search.js         |  7 ++-
 .../codemirror/addon/tern/tern.js             |  4 +-
 .../sourceeditor/codemirror/keymap/sublime.js |  2 +
 .../sourceeditor/codemirror/keymap/vim.js     | 34 +++++-----
 .../sourceeditor/codemirror/lib/codemirror.js | 17 ++---
 .../sourceeditor/codemirror/mode/clike.js     |  2 +-
 .../sourceeditor/test/codemirror/vim_test.js  | 16 +++--
 11 files changed, 111 insertions(+), 98 deletions(-)
 mode change 100755 => 100644 devtools/client/sourceeditor/codemirror/addon/search/search.js

diff --git a/devtools/client/sourceeditor/codemirror/README b/devtools/client/sourceeditor/codemirror/README
index e204f193df69..52ab5037c58a 100644
--- a/devtools/client/sourceeditor/codemirror/README
+++ b/devtools/client/sourceeditor/codemirror/README
@@ -5,7 +5,7 @@ code, and optionally help with indentation.
 
 # Upgrade
 
-Currently used version is 5.13.2. To upgrade, download a new version of
+Currently used version is 5.14.2. To upgrade, download a new version of
 CodeMirror from the project's page [1] and replace all JavaScript and
 CSS files inside the codemirror directory [2].
 
diff --git a/devtools/client/sourceeditor/codemirror/addon/comment/comment.js b/devtools/client/sourceeditor/codemirror/addon/comment/comment.js
index 3aa468089e8a..2c4f975d08f5 100644
--- a/devtools/client/sourceeditor/codemirror/addon/comment/comment.js
+++ b/devtools/client/sourceeditor/codemirror/addon/comment/comment.js
@@ -44,9 +44,17 @@
     }
   });
 
+  // Rough heuristic to try and detect lines that are part of multi-line string
+  function probablyInsideString(cm, pos, line) {
+    return /\bstring\b/.test(cm.getTokenTypeAt(Pos(pos.line, 0))) && !/^[\'\"`]/.test(line)
+  }
+
   CodeMirror.defineExtension("lineComment", function(from, to, options) {
     if (!options) options = noOptions;
     var self = this, mode = self.getModeAt(from);
+    var firstLine = self.getLine(from.line);
+    if (firstLine == null || probablyInsideString(self, from, firstLine)) return;
+
     var commentString = options.lineComment || mode.lineComment;
     if (!commentString) {
       if (options.blockCommentStart || mode.blockCommentStart) {
@@ -55,8 +63,7 @@
       }
       return;
     }
-    var firstLine = self.getLine(from.line);
-    if (firstLine == null) return;
+
     var end = Math.min(to.ch != 0 || to.line == from.line ? to.line + 1 : to.line, self.lastLine() + 1);
     var pad = options.padding == null ? " " : options.padding;
     var blankLines = options.commentBlankLines || from.line == to.line;
diff --git a/devtools/client/sourceeditor/codemirror/addon/hint/show-hint.js b/devtools/client/sourceeditor/codemirror/addon/hint/show-hint.js
index 7661f6c2cd3a..f426b5c8ca03 100644
--- a/devtools/client/sourceeditor/codemirror/addon/hint/show-hint.js
+++ b/devtools/client/sourceeditor/codemirror/addon/hint/show-hint.js
@@ -108,15 +108,11 @@
     },
 
     update: function(first) {
-      if (this.tick == null) return;
-      if (!this.options.hint.async) {
-        this.finishUpdate(this.options.hint(this.cm, this.options), first);
-      } else {
-        var myTick = ++this.tick, self = this;
-        this.options.hint(this.cm, function(data) {
-          if (self.tick == myTick) self.finishUpdate(data, first);
-        }, this.options);
-      }
+      if (this.tick == null) return
+      var self = this, myTick = ++this.tick
+      fetchHints(this.options.hint, this.cm, this.options, function(data) {
+        if (self.tick == myTick) self.finishUpdate(data, first)
+      })
     },
 
     finishUpdate: function(data, first) {
@@ -362,40 +358,31 @@
     return result
   }
 
+  function fetchHints(hint, cm, options, callback) {
+    if (hint.async) {
+      hint(cm, callback, options)
+    } else {
+      var result = hint(cm, options)
+      if (result && result.then) result.then(callback)
+      else callback(result)
+    }
+  }
+
   function resolveAutoHints(cm, pos) {
     var helpers = cm.getHelpers(pos, "hint"), words
     if (helpers.length) {
-      var async = false, resolved
-      for (var i = 0; i < helpers.length; i++) if (helpers[i].async) async = true
-      if (async) {
-        resolved = function(cm, callback, options) {
-          var app = applicableHelpers(cm, helpers)
-          function run(i, result) {
-            if (i == app.length) return callback(null)
-            var helper = app[i]
-            if (helper.async) {
-              helper(cm, function(result) {
-                if (result) callback(result)
-                else run(i + 1)
-              }, options)
-            } else {
-              var result = helper(cm, options)
-              if (result) callback(result)
-              else run(i + 1)
-            }
-          }
-          run(0)
-        }
-        resolved.async = true
-      } else {
-        resolved = function(cm, options) {
-          var app = applicableHelpers(cm, helpers)
-          for (var i = 0; i < app.length; i++) {
-            var cur = app[i](cm, options)
-            if (cur && cur.list.length) return cur
-          }
+      var resolved = function(cm, callback, options) {
+        var app = applicableHelpers(cm, helpers);
+        function run(i) {
+          if (i == app.length) return callback(null)
+          fetchHints(app[i], cm, options, function(result) {
+            if (result && result.list.length > 0) callback(result)
+            else run(i + 1)
+          })
         }
+        run(0)
       }
+      resolved.async = true
       resolved.supportsSelection = true
       return resolved
     } else if (words = cm.getHelper(cm.getCursor(), "hintWords")) {
diff --git a/devtools/client/sourceeditor/codemirror/addon/search/match-highlighter.js b/devtools/client/sourceeditor/codemirror/addon/search/match-highlighter.js
index 8f02f01c873d..2c2914a9d0b6 100644
--- a/devtools/client/sourceeditor/codemirror/addon/search/match-highlighter.js
+++ b/devtools/client/sourceeditor/codemirror/addon/search/match-highlighter.js
@@ -16,7 +16,7 @@
 // highlighted only if the selected text is a word. showToken, when enabled,
 // will cause the current token to be highlighted when nothing is selected.
 // delay is used to specify how much time to wait, in milliseconds, before
-// highlighting the matches. If annotateScrollbar is enabled, the occurances
+// highlighting the matches. If annotateScrollbar is enabled, the occurences
 // will be highlighted on the scrollbar via the matchesonscrollbar addon.
 
 (function(mod) {
@@ -29,24 +29,20 @@
 })(function(CodeMirror) {
   "use strict";
 
-  var DEFAULT_MIN_CHARS = 2;
-  var DEFAULT_TOKEN_STYLE = "matchhighlight";
-  var DEFAULT_DELAY = 100;
-  var DEFAULT_WORDS_ONLY = false;
+  var defaults = {
+    style: "matchhighlight",
+    minChars: 2,
+    delay: 100,
+    wordsOnly: false,
+    annotateScrollbar: false,
+    showToken: false,
+    trim: true
+  }
 
   function State(options) {
-    if (typeof options == "object") {
-      this.minChars = options.minChars;
-      this.style = options.style;
-      this.showToken = options.showToken;
-      this.delay = options.delay;
-      this.wordsOnly = options.wordsOnly;
-      this.annotateScrollbar = options.annotateScrollbar;
-    }
-    if (this.style == null) this.style = DEFAULT_TOKEN_STYLE;
-    if (this.minChars == null) this.minChars = DEFAULT_MIN_CHARS;
-    if (this.delay == null) this.delay = DEFAULT_DELAY;
-    if (this.wordsOnly == null) this.wordsOnly = DEFAULT_WORDS_ONLY;
+    this.options = {}
+    for (var name in defaults)
+      this.options[name] = (options && options.hasOwnProperty(name) ? options : defaults)[name]
     this.overlay = this.timeout = null;
     this.matchesonscroll = null;
   }
@@ -68,13 +64,13 @@
   function cursorActivity(cm) {
     var state = cm.state.matchHighlighter;
     clearTimeout(state.timeout);
-    state.timeout = setTimeout(function() {highlightMatches(cm);}, state.delay);
+    state.timeout = setTimeout(function() {highlightMatches(cm);}, state.options.delay);
   }
 
   function addOverlay(cm, query, hasBoundary, style) {
     var state = cm.state.matchHighlighter;
     cm.addOverlay(state.overlay = makeOverlay(query, hasBoundary, style));
-    if (state.annotateScrollbar) {
+    if (state.options.annotateScrollbar && cm.showMatchesOnScrollbar) {
       var searchFor = hasBoundary ? new RegExp("\\b" + query + "\\b") : query;
       state.matchesonscroll = cm.showMatchesOnScrollbar(searchFor, true,
         {className: "CodeMirror-selection-highlight-scrollbar"});
@@ -86,7 +82,7 @@
     if (state.overlay) {
       cm.removeOverlay(state.overlay);
       state.overlay = null;
-      if (state.annotateScrollbar) {
+      if (state.matchesonscroll) {
         state.matchesonscroll.clear();
         state.matchesonscroll = null;
       }
@@ -97,21 +93,22 @@
     cm.operation(function() {
       var state = cm.state.matchHighlighter;
       removeOverlay(cm);
-      if (!cm.somethingSelected() && state.showToken) {
-        var re = state.showToken === true ? /[\w$]/ : state.showToken;
+      if (!cm.somethingSelected() && state.options.showToken) {
+        var re = state.options.showToken === true ? /[\w$]/ : state.options.showToken;
         var cur = cm.getCursor(), line = cm.getLine(cur.line), start = cur.ch, end = start;
         while (start && re.test(line.charAt(start - 1))) --start;
         while (end < line.length && re.test(line.charAt(end))) ++end;
         if (start < end)
-          addOverlay(cm, line.slice(start, end), re, state.style);
+          addOverlay(cm, line.slice(start, end), re, state.options.style);
         return;
       }
       var from = cm.getCursor("from"), to = cm.getCursor("to");
       if (from.line != to.line) return;
-      if (state.wordsOnly && !isWord(cm, from, to)) return;
-      var selection = cm.getRange(from, to).replace(/^\s+|\s+$/g, "");
-      if (selection.length >= state.minChars)
-        addOverlay(cm, selection, false, state.style);
+      if (state.options.wordsOnly && !isWord(cm, from, to)) return;
+      var selection = cm.getRange(from, to)
+      if (state.options.trim) selection = selection.replace(/^\s+|\s+$/g, "")
+      if (selection.length >= state.options.minChars)
+        addOverlay(cm, selection, false, state.options.style);
     });
   }
 
diff --git a/devtools/client/sourceeditor/codemirror/addon/search/search.js b/devtools/client/sourceeditor/codemirror/addon/search/search.js
old mode 100755
new mode 100644
index 935a14a1dbf7..b303a5abb111
--- a/devtools/client/sourceeditor/codemirror/addon/search/search.js
+++ b/devtools/client/sourceeditor/codemirror/addon/search/search.js
@@ -136,7 +136,10 @@
       persistentDialog(cm, queryDialog, q, function(query, event) {
         CodeMirror.e_stop(event);
         if (!query) return;
-        if (query != state.queryText) startSearch(cm, state, query);
+        if (query != state.queryText) {
+          startSearch(cm, state, query);
+          state.posFrom = state.posTo = cm.getCursor();
+        }
         if (hiding) hiding.style.opacity = 1
         findNext(cm, event.shiftKey, function(_, to) {
           var dialog
@@ -208,7 +211,7 @@
           replaceAll(cm, query, text)
         } else {
           clearSearch(cm);
-          var cursor = getSearchCursor(cm, query, cm.getCursor());
+          var cursor = getSearchCursor(cm, query, cm.getCursor("from"));
           var advance = function() {
             var start = cursor.from(), match;
             if (!(match = cursor.findNext())) {
diff --git a/devtools/client/sourceeditor/codemirror/addon/tern/tern.js b/devtools/client/sourceeditor/codemirror/addon/tern/tern.js
index c345c49781eb..efdf2ed628a4 100644
--- a/devtools/client/sourceeditor/codemirror/addon/tern/tern.js
+++ b/devtools/client/sourceeditor/codemirror/addon/tern/tern.js
@@ -179,7 +179,7 @@
     var data = findDoc(ts, doc);
 
     var argHints = ts.cachedArgHints;
-    if (argHints && argHints.doc == doc && cmpPos(argHints.start, change.to) <= 0)
+    if (argHints && argHints.doc == doc && cmpPos(argHints.start, change.to) >= 0)
       ts.cachedArgHints = null;
 
     var changed = data.changed;
@@ -306,7 +306,7 @@
     ts.request(cm, {type: "type", preferFunction: true, end: start}, function(error, data) {
       if (error || !data.type || !(/^fn\(/).test(data.type)) return;
       ts.cachedArgHints = {
-        start: pos,
+        start: start,
         type: parseFnType(data.type),
         name: data.exprName || data.name || "fn",
         guess: data.guess,
diff --git a/devtools/client/sourceeditor/codemirror/keymap/sublime.js b/devtools/client/sourceeditor/codemirror/keymap/sublime.js
index 49db3b871c90..3cf67413abd9 100644
--- a/devtools/client/sourceeditor/codemirror/keymap/sublime.js
+++ b/devtools/client/sourceeditor/codemirror/keymap/sublime.js
@@ -55,6 +55,8 @@
   cmds[map["Alt-Left"] = "goSubwordLeft"] = function(cm) { moveSubword(cm, -1); };
   cmds[map["Alt-Right"] = "goSubwordRight"] = function(cm) { moveSubword(cm, 1); };
 
+  if (mac) map["Cmd-Left"] = "goLineStartSmart";
+
   var scrollLineCombo = mac ? "Ctrl-Alt-" : "Ctrl-";
 
   cmds[map[scrollLineCombo + "Up"] = "scrollLineUp"] = function(cm) {
diff --git a/devtools/client/sourceeditor/codemirror/keymap/vim.js b/devtools/client/sourceeditor/codemirror/keymap/vim.js
index 5ed2d9bf7385..b2bee5a1c7ec 100644
--- a/devtools/client/sourceeditor/codemirror/keymap/vim.js
+++ b/devtools/client/sourceeditor/codemirror/keymap/vim.js
@@ -26,7 +26,7 @@
  *  2. Variable declarations and short basic helpers
  *  3. Instance (External API) implementation
  *  4. Internal state tracking objects (input state, counter) implementation
- *     and instanstiation
+ *     and instantiation
  *  5. Key handler (the main command dispatcher) implementation
  *  6. Motion, operator, and action implementations
  *  7. Helper functions for the key handler, motions, operators, and actions
@@ -226,6 +226,7 @@
     { name: 'sort', shortName: 'sor' },
     { name: 'substitute', shortName: 's', possiblyAsync: true },
     { name: 'nohlsearch', shortName: 'noh' },
+    { name: 'yank', shortName: 'y' },
     { name: 'delmarks', shortName: 'delm' },
     { name: 'registers', shortName: 'reg', excludeFromCommandHistory: true },
     { name: 'global', shortName: 'g' }
@@ -641,7 +642,7 @@
         jumpList: createCircularJumpList(),
         macroModeState: new MacroModeState,
         // Recording latest f, t, F or T motion command.
-        lastChararacterSearch: {increment:0, forward:true, selectedCharacter:''},
+        lastCharacterSearch: {increment:0, forward:true, selectedCharacter:''},
         registerController: new RegisterController({}),
         // search history buffer
         searchHistoryController: new HistoryController({}),
@@ -1047,7 +1048,7 @@
     };
     function HistoryController() {
         this.historyBuffer = [];
-        this.iterator;
+        this.iterator = 0;
         this.initialPrefix = null;
     }
     HistoryController.prototype = {
@@ -1372,7 +1373,7 @@
         }
       },
       evalInput: function(cm, vim) {
-        // If the motion comand is set, execute both the operator and motion.
+        // If the motion command is set, execute both the operator and motion.
         // Otherwise return.
         var inputState = vim.inputState;
         var motion = inputState.motion;
@@ -1909,7 +1910,7 @@
       },
 
       repeatLastCharacterSearch: function(cm, head, motionArgs) {
-        var lastSearch = vimGlobalState.lastChararacterSearch;
+        var lastSearch = vimGlobalState.lastCharacterSearch;
         var repeat = motionArgs.repeat;
         var forward = motionArgs.forward === lastSearch.forward;
         var increment = (lastSearch.increment ? 1 : 0) * (forward ? -1 : 1);
@@ -3002,7 +3003,7 @@
       // Only clip if the selection ends with trailing newline + whitespace
       if (/\n\s*$/.test(selection)) {
         var lines = selection.split('\n');
-        // We know this is all whitepsace.
+        // We know this is all whitespace.
         lines.pop();
 
         // Cases:
@@ -3088,9 +3089,9 @@
     }
 
     function recordLastCharacterSearch(increment, args) {
-        vimGlobalState.lastChararacterSearch.increment = increment;
-        vimGlobalState.lastChararacterSearch.forward = args.forward;
-        vimGlobalState.lastChararacterSearch.selectedCharacter = args.selectedCharacter;
+        vimGlobalState.lastCharacterSearch.increment = increment;
+        vimGlobalState.lastCharacterSearch.forward = args.forward;
+        vimGlobalState.lastCharacterSearch.selectedCharacter = args.selectedCharacter;
     }
 
     var symbolToMode = {
@@ -3289,8 +3290,6 @@
         line = cm.getLine(lineNum);
         pos = (dir > 0) ? 0 : line.length;
       }
-      // Should never get here.
-      throw new Error('The impossible happened.');
     }
 
     /**
@@ -3452,7 +3451,7 @@
     }
 
     // TODO: perhaps this finagling of start and end positions belonds
-    // in codmirror/replaceRange?
+    // in codemirror/replaceRange?
     function selectCompanionObject(cm, head, symb, inclusive) {
       var cur = head, start, end;
 
@@ -4514,14 +4513,21 @@
         if (CodeMirror.commands.save) {
           // If a save command is defined, call it.
           CodeMirror.commands.save(cm);
-        } else {
-          // Saves to text area if no save command is defined.
+        } else if (cm.save) {
+          // Saves to text area if no save command is defined and cm.save() is available.
           cm.save();
         }
       },
       nohlsearch: function(cm) {
         clearSearchHighlight(cm);
       },
+      yank: function (cm) {
+        var cur = copyCursor(cm.getCursor());
+        var line = cur.line;
+        var lineText = cm.getLine(line);
+        vimGlobalState.registerController.pushText(
+          '0', 'yank', lineText, true, true);
+      },
       delmarks: function(cm, params) {
         if (!params.argString || !trim(params.argString)) {
           showConfirm(cm, 'Argument required');
diff --git a/devtools/client/sourceeditor/codemirror/lib/codemirror.js b/devtools/client/sourceeditor/codemirror/lib/codemirror.js
index ec49e3a33806..aa0d3b4ffbce 100644
--- a/devtools/client/sourceeditor/codemirror/lib/codemirror.js
+++ b/devtools/client/sourceeditor/codemirror/lib/codemirror.js
@@ -41,6 +41,7 @@
   // This is woefully incomplete. Suggestions for alternative methods welcome.
   var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent);
   var mac = ios || /Mac/.test(platform);
+  var chromeOS = /\bCrOS\b/.test(userAgent);
   var windows = /win/i.test(platform);
 
   var presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/);
@@ -3680,7 +3681,7 @@
       ourIndex = doc.sel.primIndex;
     }
 
-    if (e.altKey) {
+    if (chromeOS ? e.shiftKey && e.metaKey : e.altKey) {
       type = "rect";
       if (!addNew) ourRange = new Range(start, start);
       start = posFromMouse(cm, e, true, true);
@@ -3905,6 +3906,7 @@
     if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) return;
 
     e.dataTransfer.setData("Text", cm.getSelection());
+    e.dataTransfer.effectAllowed = "copyMove"
 
     // Use dummy image instead of default browsers image.
     // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there.
@@ -7625,9 +7627,9 @@
         var spans = line.markedSpans;
         if (spans) for (var i = 0; i < spans.length; i++) {
           var span = spans[i];
-          if (!(span.to != null && lineNo == from.line && from.ch > span.to ||
+          if (!(span.to != null && lineNo == from.line && from.ch >= span.to ||
                 span.from == null && lineNo != from.line ||
-                span.from != null && lineNo == to.line && span.from > to.ch) &&
+                span.from != null && lineNo == to.line && span.from >= to.ch) &&
               (!filter || filter(span.marker)))
             found.push(span.marker.parent || span.marker);
         }
@@ -7646,9 +7648,9 @@
     },
 
     posFromIndex: function(off) {
-      var ch, lineNo = this.first;
+      var ch, lineNo = this.first, sepSize = this.lineSeparator().length;
       this.iter(function(line) {
-        var sz = line.text.length + 1;
+        var sz = line.text.length + sepSize;
         if (sz > off) { ch = off; return true; }
         off -= sz;
         ++lineNo;
@@ -7659,8 +7661,9 @@
       coords = clipPos(this, coords);
       var index = coords.ch;
       if (coords.line < this.first || coords.ch < 0) return 0;
+      var sepSize = this.lineSeparator().length;
       this.iter(this.first, coords.line, function (line) {
-        index += line.text.length + 1;
+        index += line.text.length + sepSize;
       });
       return index;
     },
@@ -8889,7 +8892,7 @@
 
   // THE END
 
-  CodeMirror.version = "5.13.2";
+  CodeMirror.version = "5.14.2";
 
   return CodeMirror;
 });
diff --git a/devtools/client/sourceeditor/codemirror/mode/clike.js b/devtools/client/sourceeditor/codemirror/mode/clike.js
index 34d3a5afd3a9..695d5ceff3a0 100644
--- a/devtools/client/sourceeditor/codemirror/mode/clike.js
+++ b/devtools/client/sourceeditor/codemirror/mode/clike.js
@@ -667,7 +667,7 @@ CodeMirror.defineMode("clike", function(config, parserConfig) {
 
   def("text/x-objectivec", {
     name: "clike",
-    keywords: words(cKeywords + "inline restrict _Bool _Complex _Imaginery BOOL Class bycopy byref id IMP in " +
+    keywords: words(cKeywords + "inline restrict _Bool _Complex _Imaginary BOOL Class bycopy byref id IMP in " +
                     "inout nil oneway out Protocol SEL self super atomic nonatomic retain copy readwrite readonly"),
     types: words(cTypes),
     atoms: words("YES NO NULL NILL ON OFF true false"),
diff --git a/devtools/client/sourceeditor/test/codemirror/vim_test.js b/devtools/client/sourceeditor/test/codemirror/vim_test.js
index 7080c3062f37..fb612b1407f9 100644
--- a/devtools/client/sourceeditor/test/codemirror/vim_test.js
+++ b/devtools/client/sourceeditor/test/codemirror/vim_test.js
@@ -273,10 +273,10 @@ testJumplist('jumplist_repeat_<c-i>', ['*', '*', '*', '3', '<C-o>', '2', '<C-i>'
 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>',
+testJumplist('jumplist_skip_deleted_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>',
+testJumplist('jumplist_skip_deleted_mark<c-i>',
              ['*', 'n', 'n', 'k', 'd', 'k', '<C-o>', '<C-i>', '<C-i>'],
              [1,0], [0,2]);
 
@@ -482,7 +482,7 @@ testVim('gj_gk', function(cm, vim, helpers) {
   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.' });
+},{ lineNumbers: false, lineWrapping:true, value: 'Thislineisintentionallylongtotestmovementofgjandgkoverwrappedlines.' });
 testVim('}', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('}');
@@ -3682,7 +3682,7 @@ function testSubstituteConfirm(name, command, initialValue, expectedValue, keys,
     } catch(e) {
       throw e
     } finally {
-      // Restore overriden functions.
+      // Restore overridden functions.
       CodeMirror.keyName = savedKeyName;
       cm.openDialog = savedOpenDialog;
     }
@@ -3725,6 +3725,14 @@ testVim('ex_noh_clearSearchHighlight', function(cm, vim, helpers) {
   helpers.doKeys('n');
   helpers.assertCursorAt(0, 11,'can\'t resume search after clearing highlighting');
 }, { value: 'match nope match \n nope Match' });
+testVim('ex_yank', function (cm, vim, helpers) {
+  var curStart = makeCursor(3, 0);
+  cm.setCursor(curStart);
+  helpers.doEx('y');
+  var register = helpers.getRegisterController().getRegister();
+  var line = cm.getLine(3);
+  eq(line + '\n', register.toString());
+});
 testVim('set_boolean', function(cm, vim, helpers) {
   CodeMirror.Vim.defineOption('testoption', true, 'boolean');
   // Test default value is set.