Editing: isVisuallyEquivalentCandidate() should return false for Position with Document.

third_party/WebKit/Source/core/editing/VisibleUnitsTest.cpp

 // 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 "core/editing/VisibleUnits.h"
 
 #include "core/dom/Text.h"
 #include "core/editing/EditingTestBase.h"
 #include "core/editing/VisiblePosition.h"
 #include "core/html/HTMLTextFormControlElement.h"
@@ skipping 672 matching lines @@
     EXPECT_TRUE(isVisuallyEquivalentCandidate(Position(one->firstChild(), 1)));
 
     EXPECT_TRUE(isVisuallyEquivalentCandidate(Position(html.get(), 0)));
     EXPECT_TRUE(isVisuallyEquivalentCandidate(Position(html.get(), 1)));
     EXPECT_TRUE(isVisuallyEquivalentCandidate(Position(html.get(), 2)));
 
     EXPECT_FALSE(isVisuallyEquivalentCandidate(Position(two.get(), 0)));
     EXPECT_FALSE(isVisuallyEquivalentCandidate(Position(two.get(), 1)));
 }
 
+TEST_F(VisibleUnitsTest, isVisuallyEquivalentCandidateWithDocument)
+{
+    updateLayoutAndStyleForPainting();
+
+    EXPECT_FALSE(isVisuallyEquivalentCandidate(Position(&document(), 0)));
+}
+
 TEST_F(VisibleUnitsTest, leftPositionOf)
 {
     const char* bodyContent = "<b id=zero>0</b><p id=host><b id=one>1</b><b id=two>22</b></p><b id=three>333</b>";
     const char* shadowContent = "<b id=four>4444</b><content select=#two></content><content select=#one></content><b id=five>55555</b>";
     setBodyContent(bodyContent);
     RefPtrWillBeRawPtr<ShadowRoot> shadowRoot = setShadowContent(shadowContent, "host");
     updateLayoutAndStyleForPainting();
 
     Element* one = document().getElementById("one");
     Element* two = document().getElementById("two");
@@ skipping 522 matching lines @@
     EXPECT_EQ(PositionInComposedTree(space, 1), startOfWord(createVisiblePositionInComposedTree(*three, 1)).deepEquivalent());
 
     EXPECT_EQ(Position(four, 0), startOfWord(createVisiblePositionInDOMTree(*four, 1)).deepEquivalent());
     EXPECT_EQ(PositionInComposedTree(four, 0), startOfWord(createVisiblePositionInComposedTree(*four, 1)).deepEquivalent());
 
     EXPECT_EQ(Position(space, 1), startOfWord(createVisiblePositionInDOMTree(*five, 1)).deepEquivalent());
     EXPECT_EQ(PositionInComposedTree(space, 1), startOfWord(createVisiblePositionInComposedTree(*five, 1)).deepEquivalent());
 }
 
 } // namespace blink