Provide complete, smart, spoken feedback for editable selection

chrome/browser/resources/chromeos/chromevox/cvox2/background/editing_test.extjs

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Include test fixture.
 GEN_INCLUDE(['../../testing/chromevox_next_e2e_test_base.js',
              '../../testing/assert_additions.js']);
 
 GEN_INCLUDE(['../../testing/mock_feedback.js']);
 
@@ skipping 522 matching lines @@
           // Unfortunately, the node offset being wrong here means there's no
           // output for the next character move. Fix Once node offsets get fixed
           // in Blink.
 
           .replay();
     });
     input.focus();
   });
 });
 
+TEST_F('EditingTest', 'RichTextSelectByLine', function() {
+  var mockFeedback = this.createMockFeedback();
+  this.runWithLoadedTree(function() {/*!
+    <p id="go" contenteditable>
+      first line<br>
+      second line<br>
+      third line<br>
+    </p>
+    <script>
+      var commands = [
+        ['extend', 'forward', 'character'],
+        ['extend', 'forward', 'character'],
+
+        ['extend', 'forward', 'line'],
+        ['extend', 'forward', 'line'],
+
+        ['extend', 'backward', 'line'],
+        ['extend', 'backward', 'line'],
+
+        ['extend', 'forward', 'documentBoundary'],
+
+        ['move', 'forward', 'character'],
+        ['move', 'backward', 'character'],
+        ['move', 'backward', 'character'],
+
+        ['extend', 'backward', 'line'],
+        ['extend', 'backward', 'line'],
+
+        ['extend', 'forward', 'line'],
+      ];
+      document.getElementById('go').addEventListener('click', function() {
+        var sel = getSelection();
+        sel.modify.apply(sel, commands.shift());
+      }, true);
+    </script>
+  */}, function(root) {
+    var input = root.find({role: RoleType.PARAGRAPH});
+    var move = input.doDefault.bind(input);
+
+    this.listenOnce(input, 'focus', function() {
+
+      // By character.
+      mockFeedback.call(move)
+          .expectSpeech('f', 'selected')
+          .expectBraille('first line\n', {startIndex: 0, endIndex: 1})
+          .call(move)
+          .expectSpeech('i', 'added to selection')
+          .expectBraille('first line\n', {startIndex: 0, endIndex: 2})
+
+          // Forward selection.
+
+          // Growing.
+
+          // By line (notice the partial selections from the first and second
+          // lines).
+          .call(move)
+          .expectSpeech('rst line \n se', 'selected')
+          .expectBraille('second line\n', {startIndex: 0, endIndex: 2})
+
+          .call(move)
+          .expectSpeech('cond line \n th', 'selected')
+          .expectBraille('third line\n', {startIndex: 0, endIndex: 2})
+
+          // Shrinking.
+          .call(move)
+          .expectSpeech('cond line \n th', 'unselected')
+          .expectBraille('second line\n', {startIndex: 0, endIndex: 2})
+
+          .call(move)
+          .expectSpeech('fi', 'selected')
+          .expectBraille('first line\n', {startIndex: 0, endIndex: 2})
+
+          // Document boundary.
+          .call(move)
+          .expectSpeech('rst line \n second line \n third line \n \n',
+                        'selected')
+          .expectBraille('third line\n', {startIndex: 0, endIndex: 10})
+
+          // The script repositions the caret to the 'n' of the third line.
+          .call(move)
+          .expectSpeech('third line')
+          .expectBraille('third line\n', {startIndex: 10, endIndex: 10})
+          .call(move)
+          .expectSpeech('e')
+          .expectBraille('third line\n', {startIndex: 9, endIndex: 9})
+          .call(move)
+          .expectSpeech('n')
+          .expectBraille('third line\n', {startIndex: 8, endIndex: 8})
+
+          // Backward selection.
+
+          // Growing.
+          .call(move)
+          .expectSpeech(' line \n third li', 'selected')
+          .expectBraille('second line\n', {startIndex: 6, endIndex: 12})
+
+          .call(move)
+          .expectSpeech('e \n second', 'selected')
+          .expectBraille('first line\n', {startIndex: 9, endIndex: 11})
+
+          // Shrinking.
+          .call(move)
+          .expectSpeech('e \n second', 'unselected')
+          .expectBraille('second line\n', {startIndex: 6, endIndex: 12})
+
+          .replay();
+    });
+    input.focus();
+  });
+});
+
 TEST_F('EditingTest', 'EditableLineOneStaticText', function() {
   this.runWithLoadedTree(function() {/*!
     <p contenteditable style="word-spacing:100000px">this is a test</p>
   */}, function(root) {
     var staticText = root.find({role: RoleType.STATIC_TEXT});
 
     var e = new editing.EditableLine(staticText, 0, staticText, 0);
     assertEquals('this ', e.text);
 
     assertEquals(0, e.startOffset);
@@ skipping 13 matching lines @@
     assertEquals(1, e.localEndOffset);
 
     assertEquals(0, e.containerStartOffset);
     assertEquals(4, e.containerEndOffset);
 
     e = new editing.EditableLine(staticText, 5, staticText, 5);
     assertEquals('is ', e.text);
 
     assertEquals(0, e.startOffset);
     assertEquals(0, e.endOffset);
-    assertEquals(0, e.localStartOffset);
-    assertEquals(0, e.localEndOffset);
+    assertEquals(5, e.localStartOffset);
+    assertEquals(5, e.localEndOffset);
 
     assertEquals(0, e.containerStartOffset);
     assertEquals(2, e.containerEndOffset);
 
     e = new editing.EditableLine(staticText, 7, staticText, 7);
     assertEquals('is ', e.text);
 
     assertEquals(2, e.startOffset);
     assertEquals(2, e.endOffset);
-    assertEquals(2, e.localStartOffset);
-    assertEquals(2, e.localEndOffset);
+    assertEquals(7, e.localStartOffset);
+    assertEquals(7, e.localEndOffset);
 
     assertEquals(0, e.containerStartOffset);
     assertEquals(2, e.containerEndOffset);
   });
 });
 
 TEST_F('EditingTest', 'EditableLineTwoStaticTexts', function() {
   this.runWithLoadedTree(function() {/*!
     <p contenteditable>hello <b>world</b></p>
   */}, function(root) {
@@ skipping 214 matching lines @@
     assertEquals(0, e1.startOffset);
     assertEquals(2, e1.endOffset);
 
     // Across paragraph selection with base line on anchor.
     e1 = new editing.EditableLine(thisIsATest, 5, hello, 2, true);
     assertEquals('is ', e1.text);
     assertEquals(0, e1.startOffset);
     assertEquals(3, e1.endOffset);
   })
 });