LayoutObject::absoluteBoundingBoxRectForRange() should take EphemeralRange

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 <ostream>  // NOLINT
 #include "bindings/core/v8/V8BindingForTesting.h"
 #include "core/dom/Text.h"
 #include "core/editing/EditingTestBase.h"
@@ skipping 1959 matching lines @@
 TEST_F(VisibleUnitsTest,
        canonicalizationWithCollapsedSpaceAndIsolatedCombiningCharacter) {
   setBodyContent("<p>  &#x20E3;</p>");  // Leading space is necessary
 
   Node* paragraph = document().querySelector("p");
   Node* text = paragraph->firstChild();
   Position start = canonicalPositionOf(Position::beforeNode(paragraph));
   EXPECT_EQ(Position(text, 2), start);
 }
 
+TEST_F(VisibleUnitsTest, textQuadDOM) {
+  const char* bodyContent =
+      "<p id='host'>00"
+      "<b id='one'>11111</b>"
+      "<b id='two'>22</b>"
+      "<b id='three'>33</b>"
+      "</p>";
+  setBodyContent(bodyContent);
+
+  const Position startPosition(document().getElementById("host"), 0);
+  const Position midPosition(document().getElementById("two"), 0);
+  const Position endPosition(document().getElementById("three"), 0);
+  const EphemeralRange rangeStartToTwo(startPosition, midPosition);
+  const EphemeralRange rangeStartToThree(startPosition, endPosition);
+  Vector<FloatQuad> quadsStartToTwo;
+  Vector<FloatQuad> quadsStartToThree;
+  textQuads(&quadsStartToTwo, rangeStartToTwo);
+  textQuads(&quadsStartToThree, rangeStartToThree);
+
+  EXPECT_EQ(2u, quadsStartToTwo.size());
+  EXPECT_EQ(3u, quadsStartToThree.size());
+  EXPECT_EQ(quadsStartToThree[0], quadsStartToTwo[0]);
+  EXPECT_EQ(quadsStartToThree[1], quadsStartToTwo[1]);
+  EXPECT_EQ("8,8; 10,8; 10,9; 8,9", quadsStartToTwo[0].toString());
+  EXPECT_EQ("10,8; 15,8; 15,9; 10,9", quadsStartToTwo[1].toString());
+  EXPECT_EQ("8,8; 10,8; 10,9; 8,9", quadsStartToThree[0].toString());
+  EXPECT_EQ("10,8; 15,8; 15,9; 10,9", quadsStartToThree[1].toString());
+  EXPECT_EQ("15,8; 17,8; 17,9; 15,9", quadsStartToThree[2].toString());
+}
+
+TEST_F(VisibleUnitsTest, textQuadFlatTree) {
+  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 =
+      "<p id='four'>4444</p>"
+      "<content select=#two></content>"
+      "<content select=#one></content>"
+      "<p id='five'>55555</p>";
+  setBodyContent(bodyContent);
+  ShadowRoot* shadowRoot = setShadowContent(shadowContent, "host");
+
+  const PositionInFlatTree startPosition(document().getElementById("host"), 0);
+  const PositionInFlatTree threePosition(document().getElementById("three"), 0);
+  const PositionInFlatTree fivePosition(shadowRoot->getElementById("five"), 0);
+  const EphemeralRangeInFlatTree rangeStartToThree(startPosition,
+                                                   threePosition);
+  const EphemeralRangeInFlatTree rangeStartToFive(startPosition, fivePosition);
+  Vector<FloatQuad> quadsStartToThree;
+  Vector<FloatQuad> quadsStartToFive;
+  textQuads(&quadsStartToThree, rangeStartToThree);
+  textQuads(&quadsStartToFive, rangeStartToFive);
+
+  EXPECT_EQ(4u, quadsStartToThree.size());
+  EXPECT_EQ(3u, quadsStartToFive.size());
+  EXPECT_EQ(quadsStartToThree[0], quadsStartToFive[0]);
+  EXPECT_EQ(quadsStartToThree[1], quadsStartToFive[1]);
+  EXPECT_EQ("8,10; 12,10; 12,11; 8,11", quadsStartToThree[0].toString());
+  EXPECT_EQ("8,12; 10,12; 10,13; 8,13", quadsStartToThree[1].toString());
+  EXPECT_EQ("10,12; 11,12; 11,13; 10,13", quadsStartToThree[2].toString());
+  EXPECT_EQ("8,14; 13,14; 13,15; 8,15", quadsStartToThree[3].toString());
+  EXPECT_EQ("8,10; 12,10; 12,11; 8,11", quadsStartToFive[0].toString());
+  EXPECT_EQ("8,12; 10,12; 10,13; 8,13", quadsStartToFive[1].toString());
+  EXPECT_EQ("10,12; 11,12; 11,13; 10,13", quadsStartToFive[2].toString());
+}
 }  // namespace blink