Bug fix: toPositionInCoposedTree should treat positions with insertion points

Source/core/dom/PositionTest.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 "config.h"
 #include "core/dom/Position.h"
 
 #include "core/editing/EditingTestBase.h"
 
 namespace blink {
@@ skipping 57 matching lines @@
     EXPECT_EQ(t2, Position::inParentAfterNode(*n2).nodeAsRangeLastNode());
     EXPECT_EQ(t3, Position::afterNode(host).nodeAsRangeLastNode());
 
     EXPECT_EQ(t2, PositionInComposedTree::inParentBeforeNode(*n1).nodeAsRangeLastNode());
     EXPECT_EQ(a, PositionInComposedTree::inParentBeforeNode(*n2).nodeAsRangeLastNode());
     EXPECT_EQ(t1, PositionInComposedTree::inParentAfterNode(*n1).nodeAsRangeLastNode());
     EXPECT_EQ(t2, PositionInComposedTree::inParentAfterNode(*n2).nodeAsRangeLastNode());
     EXPECT_EQ(t1, PositionInComposedTree::afterNode(host).nodeAsRangeLastNode());
 }
 
+TEST_F(PositionTest, ToPositionInComposedTreeWithActiveInsertionPoint)
+{
+    const char* bodyContent = "<p id='host'>00<b id='one'>11</b>22</p>";
+    const char* shadowContent = "<a id='a'><content select=#one id='content'></content><content></content></a>";
+    setBodyContent(bodyContent);
+    RefPtrWillBeRawPtr<ShadowRoot> shadowRoot = setShadowContent(shadowContent);
+    RefPtrWillBeRawPtr<Element> anchor = shadowRoot->getElementById("a");
+    RefPtrWillBeRawPtr<Element> insertionPoint = shadowRoot->getElementById("content");
+
+    EXPECT_EQ(positionInComposedTree(*anchor, 0), toPositionInComposedTree(positionInDOMTree(*anchor, 0)));
+    EXPECT_EQ(positionInComposedTree(*anchor, 1), toPositionInComposedTree(positionInDOMTree(*anchor, 1)));
+    EXPECT_EQ(PositionInComposedTree(anchor, PositionInComposedTree::PositionIsAfterChildren), toPositionInComposedTree(positionInDOMTree(*anchor, 2)));
+}
+
+TEST_F(PositionTest, ToPositionInComposedTreeWithInactiveInsertionPoint)
+{
+    const char* bodyContent = "<p id='p'><content></content></p>";
+    setBodyContent(bodyContent);
+    RefPtrWillBeRawPtr<Element> anchor = document().getElementById("p");
+
+    EXPECT_EQ(positionInComposedTree(*anchor, 0), toPositionInComposedTree(positionInDOMTree(*anchor, 0)));
+    EXPECT_EQ(PositionInComposedTree(anchor, PositionInComposedTree::PositionIsAfterChildren), toPositionInComposedTree(positionInDOMTree(*anchor, 1)));
+}
+
 } // namespace blink