Audit the use of updateStyleAndLayoutIgnorePendingStylesheets in SearchBuffer.

third_party/WebKit/Source/web/tests/TextFinderTest.cpp

 // Copyright 2014 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 "web/TextFinder.h"
 
 #include "bindings/core/v8/ExceptionStatePlaceholder.h"
 #include "core/dom/Document.h"
 #include "core/dom/NodeList.h"
 #include "core/dom/Range.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/frame/FrameHost.h"
+#include "core/frame/FrameView.h"
 #include "core/frame/VisualViewport.h"
 #include "core/html/HTMLElement.h"
 #include "core/layout/TextAutosizer.h"
 #include "core/page/Page.h"
 #include "platform/testing/TestingPlatformSupport.h"
 #include "platform/testing/UnitTestHelpers.h"
 #include "public/platform/Platform.h"
 #include "public/web/WebDocument.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "web/FindInPageCoordinates.h"
@@ skipping 39 matching lines @@
 
 WebFloatRect TextFinderTest::findInPageRect(Node* startContainer, int startOffset, Node* endContainer, int endOffset)
 {
     Range* range = Range::create(startContainer->document(), startContainer, startOffset, endContainer, endOffset);
     return WebFloatRect(findInPageRectFromRange(range));
 }
 
 TEST_F(TextFinderTest, FindTextSimple)
 {
     document().body()->setInnerHTML("XXXXFindMeYYYYfindmeZZZZ", ASSERT_NO_EXCEPTION);
+    document().updateStyleAndLayout();
     Node* textNode = document().body()->firstChild();
 
     int identifier = 0;
     WebString searchText(String("FindMe"));
     WebFindOptions findOptions; // Default.
     bool wrapWithinFrame = true;
     WebRect* selectionRect = nullptr;
 
     ASSERT_TRUE(textFinder().find(identifier, searchText, findOptions, wrapWithinFrame, selectionRect));
     Range* activeMatch = textFinder().activeMatch();
@@ skipping 49 matching lines @@
     ASSERT_TRUE(activeMatch);
     EXPECT_EQ(textNode, activeMatch->startContainer());
     EXPECT_EQ(14, activeMatch->startOffset());
     EXPECT_EQ(textNode, activeMatch->endContainer());
     EXPECT_EQ(20, activeMatch->endOffset());
 }
 
 TEST_F(TextFinderTest, FindTextAutosizing)
 {
     document().body()->setInnerHTML("XXXXFindMeYYYYfindmeZZZZ", ASSERT_NO_EXCEPTION);
+    document().updateStyleAndLayout();
 
     int identifier = 0;
     WebString searchText(String("FindMe"));
     WebFindOptions findOptions; // Default.
     bool wrapWithinFrame = true;
     WebRect* selectionRect = nullptr;
 
     // Set viewport scale to 20 in order to simulate zoom-in
     VisualViewport& visualViewport = document().page()->frameHost().visualViewport();
     visualViewport.setScale(20);
 
     // Enforce autosizing
     document().settings()->setTextAutosizingEnabled(true);
     document().settings()->setTextAutosizingWindowSizeOverride(IntSize(20, 20));
     document().textAutosizer()->updatePageInfo();
+    document().updateStyleAndLayout();
 
     // In case of autosizing, scale _should_ change
     ASSERT_TRUE(textFinder().find(identifier, searchText, findOptions, wrapWithinFrame, selectionRect));
     ASSERT_TRUE(textFinder().activeMatch());
     ASSERT_EQ(1, visualViewport.scale()); // in this case to 1
 
     // Disable autosizing and reset scale to 20
     visualViewport.setScale(20);
     document().settings()->setTextAutosizingEnabled(false);
     document().textAutosizer()->updatePageInfo();
+    document().updateStyleAndLayout();
 
     ASSERT_TRUE(textFinder().find(identifier, searchText, findOptions, wrapWithinFrame, selectionRect));
     ASSERT_TRUE(textFinder().activeMatch());
     ASSERT_EQ(20, visualViewport.scale());
 }
 
 TEST_F(TextFinderTest, FindTextNotFound)
 {
     document().body()->setInnerHTML("XXXXFindMeYYYYfindmeZZZZ", ASSERT_NO_EXCEPTION);
+    document().updateStyleAndLayout();
 
     int identifier = 0;
     WebString searchText(String("Boo"));
     WebFindOptions findOptions; // Default.
     bool wrapWithinFrame = true;
     WebRect* selectionRect = nullptr;
 
     EXPECT_FALSE(textFinder().find(identifier, searchText, findOptions, wrapWithinFrame, selectionRect));
     EXPECT_FALSE(textFinder().activeMatch());
 }
 
 TEST_F(TextFinderTest, FindTextInShadowDOM)
 {
     document().body()->setInnerHTML("<b>FOO</b><i>foo</i>", ASSERT_NO_EXCEPTION);
     ShadowRoot* shadowRoot = document().body()->createShadowRootInternal(ShadowRootType::V0, ASSERT_NO_EXCEPTION);
     shadowRoot->setInnerHTML("<content select=\"i\"></content><u>Foo</u><content></content>", ASSERT_NO_EXCEPTION);
     Node* textInBElement = document().body()->firstChild()->firstChild();
     Node* textInIElement = document().body()->lastChild()->firstChild();
     Node* textInUElement = shadowRoot->childNodes()->item(1)->firstChild();
+    document().updateStyleAndLayout();
 
     int identifier = 0;
     WebString searchText(String("foo"));
     WebFindOptions findOptions; // Default.
     bool wrapWithinFrame = true;
     WebRect* selectionRect = nullptr;
 
     // TextIterator currently returns the matches in the flat treeorder, so
     // in this case the matches will be returned in the order of
     // <i> -> <u> -> <b>.
@@ skipping 67 matching lines @@
     ASSERT_TRUE(activeMatch);
     EXPECT_EQ(textInBElement, activeMatch->startContainer());
     EXPECT_EQ(0, activeMatch->startOffset());
     EXPECT_EQ(textInBElement, activeMatch->endContainer());
     EXPECT_EQ(3, activeMatch->endOffset());
 }
 
 TEST_F(TextFinderTest, ScopeTextMatchesSimple)
 {
     document().body()->setInnerHTML("XXXXFindMeYYYYfindmeZZZZ", ASSERT_NO_EXCEPTION);
+    document().updateStyleAndLayout();
+
     Node* textNode = document().body()->firstChild();
 
     int identifier = 0;
     WebString searchText(String("FindMe"));
     WebFindOptions findOptions; // Default.
 
     textFinder().resetMatchCount();
     textFinder().scopeStringMatches(identifier, searchText, findOptions, true);
     while (textFinder().scopingInProgress())
         runPendingTasks();
 
     EXPECT_EQ(2, textFinder().totalMatchCount());
     WebVector<WebFloatRect> matchRects;
     textFinder().findMatchRects(matchRects);
     ASSERT_EQ(2u, matchRects.size());
     EXPECT_EQ(findInPageRect(textNode, 4, textNode, 10), matchRects[0]);
     EXPECT_EQ(findInPageRect(textNode, 14, textNode, 20), matchRects[1]);
 }
 
 TEST_F(TextFinderTest, ScopeTextMatchesWithShadowDOM)
 {
     document().body()->setInnerHTML("<b>FOO</b><i>foo</i>", ASSERT_NO_EXCEPTION);
     ShadowRoot* shadowRoot = document().body()->createShadowRootInternal(ShadowRootType::V0, ASSERT_NO_EXCEPTION);
     shadowRoot->setInnerHTML("<content select=\"i\"></content><u>Foo</u><content></content>", ASSERT_NO_EXCEPTION);
     Node* textInBElement = document().body()->firstChild()->firstChild();
     Node* textInIElement = document().body()->lastChild()->firstChild();
     Node* textInUElement = shadowRoot->childNodes()->item(1)->firstChild();
+    document().updateStyleAndLayout();
 
     int identifier = 0;
     WebString searchText(String("fOO"));
     WebFindOptions findOptions; // Default.
 
     textFinder().resetMatchCount();
     textFinder().scopeStringMatches(identifier, searchText, findOptions, true);
     while (textFinder().scopingInProgress())
         runPendingTasks();
 
     // TextIterator currently returns the matches in the flat tree order,
     // so in this case the matches will be returned in the order of
     // <i> -> <u> -> <b>.
     EXPECT_EQ(3, textFinder().totalMatchCount());
     WebVector<WebFloatRect> matchRects;
     textFinder().findMatchRects(matchRects);
     ASSERT_EQ(3u, matchRects.size());
     EXPECT_EQ(findInPageRect(textInIElement, 0, textInIElement, 3), matchRects[0]);
     EXPECT_EQ(findInPageRect(textInUElement, 0, textInUElement, 3), matchRects[1]);
     EXPECT_EQ(findInPageRect(textInBElement, 0, textInBElement, 3), matchRects[2]);
 }
 
 TEST_F(TextFinderTest, ScopeRepeatPatternTextMatches)
 {
     document().body()->setInnerHTML("ab ab ab ab ab", ASSERT_NO_EXCEPTION);
+    document().updateStyleAndLayout();
+
     Node* textNode = document().body()->firstChild();
 
     int identifier = 0;
     WebString searchText(String("ab ab"));
     WebFindOptions findOptions; // Default.
 
     textFinder().resetMatchCount();
     textFinder().scopeStringMatches(identifier, searchText, findOptions, true);
     while (textFinder().scopingInProgress())
         runPendingTasks();
 
     EXPECT_EQ(2, textFinder().totalMatchCount());
     WebVector<WebFloatRect> matchRects;
     textFinder().findMatchRects(matchRects);
     ASSERT_EQ(2u, matchRects.size());
     EXPECT_EQ(findInPageRect(textNode, 0, textNode, 5), matchRects[0]);
     EXPECT_EQ(findInPageRect(textNode, 6, textNode, 11), matchRects[1]);
 }
 
 TEST_F(TextFinderTest, OverlappingMatches)
 {
     document().body()->setInnerHTML("aababaa", ASSERT_NO_EXCEPTION);
+    document().updateStyleAndLayout();
+
     Node* textNode = document().body()->firstChild();
 
     int identifier = 0;
     WebString searchText(String("aba"));
     WebFindOptions findOptions; // Default.
 
     textFinder().resetMatchCount();
     textFinder().scopeStringMatches(identifier, searchText, findOptions, true);
     while (textFinder().scopingInProgress())
         runPendingTasks();
 
     // We shouldn't find overlapped matches.
     EXPECT_EQ(1, textFinder().totalMatchCount());
     WebVector<WebFloatRect> matchRects;
     textFinder().findMatchRects(matchRects);
     ASSERT_EQ(1u, matchRects.size());
     EXPECT_EQ(findInPageRect(textNode, 1, textNode, 4), matchRects[0]);
 }
 
 TEST_F(TextFinderTest, SequentialMatches)
 {
     document().body()->setInnerHTML("ababab", ASSERT_NO_EXCEPTION);
+    document().updateStyleAndLayout();
+
     Node* textNode = document().body()->firstChild();
 
     int identifier = 0;
     WebString searchText(String("ab"));
     WebFindOptions findOptions; // Default.
 
     textFinder().resetMatchCount();
     textFinder().scopeStringMatches(identifier, searchText, findOptions, true);
     while (textFinder().scopingInProgress())
         runPendingTasks();
 
     EXPECT_EQ(3, textFinder().totalMatchCount());
     WebVector<WebFloatRect> matchRects;
     textFinder().findMatchRects(matchRects);
     ASSERT_EQ(3u, matchRects.size());
     EXPECT_EQ(findInPageRect(textNode, 0, textNode, 2), matchRects[0]);
     EXPECT_EQ(findInPageRect(textNode, 2, textNode, 4), matchRects[1]);
     EXPECT_EQ(findInPageRect(textNode, 4, textNode, 6), matchRects[2]);
 }
 
 TEST_F(TextFinderTest, FindTextJavaScriptUpdatesDOM)
 {
     document().body()->setInnerHTML("<b>XXXXFindMeYYYY</b><i></i>", ASSERT_NO_EXCEPTION);
+    document().updateStyleAndLayout();
 
     int identifier = 0;
     WebString searchText(String("FindMe"));
     WebFindOptions findOptions; // Default.
     bool wrapWithinFrame = true;
     WebRect* selectionRect = nullptr;
     bool activeNow;
 
     textFinder().resetMatchCount();
     textFinder().scopeStringMatches(identifier, searchText, findOptions, true);
     while (textFinder().scopingInProgress())
         runPendingTasks();
 
     findOptions.findNext = true;
     ASSERT_TRUE(textFinder().find(identifier, searchText, findOptions, wrapWithinFrame, selectionRect, &activeNow));
     EXPECT_TRUE(activeNow);
     ASSERT_TRUE(textFinder().find(identifier, searchText, findOptions, wrapWithinFrame, selectionRect, &activeNow));
     EXPECT_TRUE(activeNow);
 
     // Add new text to DOM and try FindNext.
     Element* iElement = toElement(document().body()->lastChild());
     ASSERT_TRUE(iElement);
     iElement->setInnerHTML("ZZFindMe", ASSERT_NO_EXCEPTION);
+    document().updateStyleAndLayout();
 
     ASSERT_TRUE(textFinder().find(identifier, searchText, findOptions, wrapWithinFrame, selectionRect, &activeNow));
     Range* activeMatch = textFinder().activeMatch();
     ASSERT_TRUE(activeMatch);
     EXPECT_FALSE(activeNow);
     EXPECT_EQ(2, activeMatch->startOffset());
     EXPECT_EQ(8, activeMatch->endOffset());
 
     // Restart full search and check that added text is found.
     findOptions.findNext = false;
@@ skipping 45 matching lines @@
     String text(Vector<UChar>(100));
     text.fill('a');
     String searchPattern("abc");
     // Make 4 substrings "abc" in text.
     text.insert(searchPattern, 1);
     text.insert(searchPattern, 10);
     text.insert(searchPattern, 50);
     text.insert(searchPattern, 90);
 
     document().body()->setInnerHTML(text, ASSERT_NO_EXCEPTION);
+    document().updateStyleAndLayout();
 
     int identifier = 0;
     WebFindOptions findOptions; // Default.
 
     textFinder().resetMatchCount();
 
     // There will be only one iteration before timeout, because increment
     // of the TimeProxyPlatform timer is greater than timeout threshold.
     textFinder().scopeStringMatches(identifier, searchPattern, findOptions, true);
     while (textFinder().scopingInProgress())
         runPendingTasks();
 
     EXPECT_EQ(4, textFinder().totalMatchCount());
 }
 
 } // namespace blink