Make toPositionInComposedTree() with non-distributed node to return non-null position

third_party/WebKit/Source/core/editing/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/editing/Position.h"
 
 #include "core/editing/EditingTestBase.h"
 
 namespace blink {
@@ skipping 80 matching lines @@
 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.get(), 0), toPositionInComposedTree(Position(anchor.get(), 0)));
     EXPECT_EQ(PositionInComposedTree(anchor, PositionAnchorType::AfterChildren), toPositionInComposedTree(Position(anchor.get(), 1)));
 }
 
+// This test comes from "editing/style/block-style-progress-crash.html".
+TEST_F(PositionTest, ToPositionInComposedTreeWithNotDistributed)
+{
+    setBodyContent("<progress id=sample>foo</progress>");
+    Element* sample = document().getElementById("sample");
+
+    EXPECT_EQ(PositionInComposedTree(sample, PositionAnchorType::AfterChildren), toPositionInComposedTree(Position(sample, 0)));
+}
+
 TEST_F(PositionTest, ToPositionInComposedTreeWithShadowRoot)
 {
     const char* bodyContent = "<p id='host'>00<b id='one'>11</b>22</p>";
     const char* shadowContent = "<a><content select=#one></content></a>";
     setBodyContent(bodyContent);
     RefPtrWillBeRawPtr<ShadowRoot> shadowRoot = setShadowContent(shadowContent, "host");
     RefPtrWillBeRawPtr<Element> host = document().getElementById("host");
 
     EXPECT_EQ(PositionInComposedTree(host.get(), 0), toPositionInComposedTree(Position(shadowRoot.get(), 0)));
     EXPECT_EQ(PositionInComposedTree(host.get(), PositionAnchorType::AfterChildren), toPositionInComposedTree(Position(shadowRoot.get(), 1)));
@@ skipping 16 matching lines @@
     const char* bodyContent = "<p id='host'>00<b id='one'>11</b>22</p>";
     const char* shadowContent = "";
     setBodyContent(bodyContent);
     RefPtrWillBeRawPtr<ShadowRoot> shadowRoot = setShadowContent(shadowContent, "host");
     RefPtrWillBeRawPtr<Element> host = document().getElementById("host");
 
     EXPECT_EQ(PositionInComposedTree(host, PositionAnchorType::AfterChildren), toPositionInComposedTree(Position(shadowRoot.get(), 0)));
 }
 
 } // namespace blink