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Unified Diff: third_party/WebKit/Source/web/tests/HTMLDocumentParserLoadingTest.cpp

Issue 2614663004: Pause HTML parser for external stylesheets in the body (Closed)
Patch Set: Full set of threaded and non-threaded tests Created 3 years, 11 months ago
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Index: third_party/WebKit/Source/web/tests/HTMLDocumentParserLoadingTest.cpp
diff --git a/third_party/WebKit/Source/web/tests/HTMLDocumentParserLoadingTest.cpp b/third_party/WebKit/Source/web/tests/HTMLDocumentParserLoadingTest.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..66d6eeda5538a344eff55e9be041c7f31af2f233
--- /dev/null
+++ b/third_party/WebKit/Source/web/tests/HTMLDocumentParserLoadingTest.cpp
@@ -0,0 +1,727 @@
+// Copyright 2017 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/html/parser/HTMLDocumentParser.h"
+
+#include "core/dom/Document.h"
+#include "platform/testing/UnitTestHelpers.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "web/tests/sim/SimRequest.h"
+#include "web/tests/sim/SimTest.h"
+
+namespace blink {
+
+using namespace HTMLNames;
+
+class HTMLDocumentParserLoadingTest : public SimTest {};
+
+TEST_F(HTMLDocumentParserLoadingTest,
+ ShouldNotPauseParsingForExternalStylesheetsInHead) {
+ Document::setThreadedParsingEnabledForTesting(false);
+ SimRequest mainResource("https://example.com/test.html", "text/html");
+ SimRequest cssHeadResource("https://example.com/testHead.css", "text/css");
+
+ loadURL("https://example.com/test.html");
+
+ mainResource.complete(
+ "<!DOCTYPE html>"
+ "<html><head>"
+ "<link rel=stylesheet href=testHead.css>"
+ "</head><body>"
+ "<div id=\"bodyDiv\"></div>"
+ "</body></html>");
+
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("bodyDiv"));
+ cssHeadResource.complete("");
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("bodyDiv"));
+}
+
+TEST_F(HTMLDocumentParserLoadingTest,
+ ShouldNotPauseParsingForExternalStylesheetsInHeadThreaded) {
+ Document::setThreadedParsingEnabledForTesting(true);
kouhei (in TOK) 2017/01/20 10:56:47 Please dedupe test cases. testing::TestWithParam m
Pat Meenan 2017/01/20 13:21:10 Done.
+ SimRequest mainResource("https://example.com/test.html", "text/html");
+ SimRequest cssHeadResource("https://example.com/testHead.css", "text/css");
+
+ loadURL("https://example.com/test.html");
+
+ mainResource.complete(
+ "<!DOCTYPE html>"
+ "<html><head>"
+ "<link rel=stylesheet href=testHead.css>"
+ "</head><body>"
+ "<div id=\"bodyDiv\"></div>"
+ "</body></html>");
+
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("bodyDiv"));
+ cssHeadResource.complete("");
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("bodyDiv"));
+}
+
+TEST_F(HTMLDocumentParserLoadingTest,
+ ShouldNotPauseParsingForExternalStylesheetsImportedInHead) {
+ Document::setThreadedParsingEnabledForTesting(false);
+ SimRequest mainResource("https://example.com/test.html", "text/html");
+ SimRequest cssHeadResource("https://example.com/testHead.css", "text/css");
+
+ loadURL("https://example.com/test.html");
+
+ mainResource.complete(
+ "<!DOCTYPE html>"
+ "<html><head>"
+ "<style>"
+ "@import 'testHead.css'"
+ "</style>"
+ "</head><body>"
+ "<div id=\"bodyDiv\"></div>"
+ "</body></html>");
+
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("bodyDiv"));
+ cssHeadResource.complete("");
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("bodyDiv"));
+}
+
+TEST_F(HTMLDocumentParserLoadingTest,
+ ShouldNotPauseParsingForExternalStylesheetsImportedInHeadThreaded) {
+ Document::setThreadedParsingEnabledForTesting(true);
+ SimRequest mainResource("https://example.com/test.html", "text/html");
+ SimRequest cssHeadResource("https://example.com/testHead.css", "text/css");
+
+ loadURL("https://example.com/test.html");
+
+ mainResource.complete(
+ "<!DOCTYPE html>"
+ "<html><head>"
+ "<style>"
+ "@import 'testHead.css'"
+ "</style>"
+ "</head><body>"
+ "<div id=\"bodyDiv\"></div>"
+ "</body></html>");
+
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("bodyDiv"));
+ cssHeadResource.complete("");
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("bodyDiv"));
+}
+
+TEST_F(HTMLDocumentParserLoadingTest,
+ ShouldPauseParsingForExternalStylesheetsInBody) {
+ Document::setThreadedParsingEnabledForTesting(false);
+ SimRequest mainResource("https://example.com/test.html", "text/html");
+ SimRequest cssHeadResource("https://example.com/testHead.css", "text/css");
+ SimRequest cssBodyResource("https://example.com/testBody.css", "text/css");
+
+ loadURL("https://example.com/test.html");
+
+ mainResource.complete(
+ "<!DOCTYPE html>"
+ "<html><head>"
+ "<link rel=stylesheet href=testHead.css>"
+ "</head><body>"
+ "<div id=\"before\"></div>"
+ "<link rel=stylesheet href=testBody.css>"
+ "<div id=\"after\"></div>"
+ "</body></html>");
+
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_FALSE(document().getElementById("after"));
+
+ // Completing the head css shouldn't change anything
+ cssHeadResource.complete("");
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_FALSE(document().getElementById("after"));
+
+ // Completing the body resource and pumping the tasks should continue parsing
+ // and create the "after" div.
+ cssBodyResource.complete("");
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_TRUE(document().getElementById("after"));
+}
+
+TEST_F(HTMLDocumentParserLoadingTest,
+ ShouldPauseParsingForExternalStylesheetsInBodyThreaded) {
+ Document::setThreadedParsingEnabledForTesting(true);
+ SimRequest mainResource("https://example.com/test.html", "text/html");
+ SimRequest cssHeadResource("https://example.com/testHead.css", "text/css");
+ SimRequest cssBodyResource("https://example.com/testBody.css", "text/css");
+
+ loadURL("https://example.com/test.html");
+
+ mainResource.complete(
+ "<!DOCTYPE html>"
+ "<html><head>"
+ "<link rel=stylesheet href=testHead.css>"
+ "</head><body>"
+ "<div id=\"before\"></div>"
+ "<link rel=stylesheet href=testBody.css>"
+ "<div id=\"after\"></div>"
+ "</body></html>");
+
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_FALSE(document().getElementById("after"));
+
+ // Completing the head css shouldn't change anything
+ cssHeadResource.complete("");
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_FALSE(document().getElementById("after"));
+
+ // Completing the body resource and pumping the tasks should continue parsing
+ // and create the "after" div.
+ cssBodyResource.complete("");
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_TRUE(document().getElementById("after"));
+}
+
+TEST_F(HTMLDocumentParserLoadingTest,
+ ShouldPauseParsingForExternalStylesheetsInBodyIncremental) {
+ Document::setThreadedParsingEnabledForTesting(false);
+ SimRequest mainResource("https://example.com/test.html", "text/html");
+ SimRequest cssHeadResource("https://example.com/testHead.css", "text/css");
+ SimRequest cssBodyResource1("https://example.com/testBody1.css", "text/css");
+ SimRequest cssBodyResource2("https://example.com/testBody2.css", "text/css");
+ SimRequest cssBodyResource3("https://example.com/testBody3.css", "text/css");
+
+ loadURL("https://example.com/test.html");
+
+ mainResource.start();
+ mainResource.write(
+ "<!DOCTYPE html>"
+ "<html><head>"
+ "<link rel=stylesheet href=testHead.css>"
+ "</head><body>"
+ "<div id=\"before\"></div>"
+ "<link rel=stylesheet href=testBody1.css>"
+ "<div id=\"after1\"></div>");
+
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_FALSE(document().getElementById("after1"));
+ EXPECT_FALSE(document().getElementById("after2"));
+ EXPECT_FALSE(document().getElementById("after3"));
+
+ mainResource.write(
+ "<link rel=stylesheet href=testBody2.css>"
+ "<div id=\"after2\"></div>");
+
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_FALSE(document().getElementById("after1"));
+ EXPECT_FALSE(document().getElementById("after2"));
+ EXPECT_FALSE(document().getElementById("after3"));
+
+ mainResource.complete(
+ "<link rel=stylesheet href=testBody3.css>"
+ "<div id=\"after3\"></div>"
+ "</body></html>");
+
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_FALSE(document().getElementById("after1"));
+ EXPECT_FALSE(document().getElementById("after2"));
+ EXPECT_FALSE(document().getElementById("after3"));
+
+ // Completing the head css shouldn't change anything
+ cssHeadResource.complete("");
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_FALSE(document().getElementById("after1"));
+ EXPECT_FALSE(document().getElementById("after2"));
+ EXPECT_FALSE(document().getElementById("after3"));
+
+ // Completing the second css shouldn't change anything
+ cssBodyResource2.complete("");
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_FALSE(document().getElementById("after1"));
+ EXPECT_FALSE(document().getElementById("after2"));
+ EXPECT_FALSE(document().getElementById("after3"));
+
+ // Completing the first css should allow the parser to continue past it and
+ // the second css which was already completed and then pause again before the
+ // third css.
+ cssBodyResource1.complete("");
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_TRUE(document().getElementById("after1"));
+ EXPECT_TRUE(document().getElementById("after2"));
+ EXPECT_FALSE(document().getElementById("after3"));
+
+ // Completing the third css should let it continue to the end.
+ cssBodyResource3.complete("");
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_TRUE(document().getElementById("after1"));
+ EXPECT_TRUE(document().getElementById("after2"));
+ EXPECT_TRUE(document().getElementById("after3"));
+}
+
+TEST_F(HTMLDocumentParserLoadingTest,
+ ShouldPauseParsingForExternalStylesheetsInBodyIncrementalThreaded) {
+ Document::setThreadedParsingEnabledForTesting(true);
+ SimRequest mainResource("https://example.com/test.html", "text/html");
+ SimRequest cssHeadResource("https://example.com/testHead.css", "text/css");
+ SimRequest cssBodyResource1("https://example.com/testBody1.css", "text/css");
+ SimRequest cssBodyResource2("https://example.com/testBody2.css", "text/css");
+ SimRequest cssBodyResource3("https://example.com/testBody3.css", "text/css");
+
+ loadURL("https://example.com/test.html");
+
+ mainResource.start();
+ mainResource.write(
+ "<!DOCTYPE html>"
+ "<html><head>"
+ "<link rel=stylesheet href=testHead.css>"
+ "</head><body>"
+ "<div id=\"before\"></div>"
+ "<link rel=stylesheet href=testBody1.css>"
+ "<div id=\"after1\"></div>");
+
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_FALSE(document().getElementById("after1"));
+ EXPECT_FALSE(document().getElementById("after2"));
+ EXPECT_FALSE(document().getElementById("after3"));
+
+ mainResource.write(
+ "<link rel=stylesheet href=testBody2.css>"
+ "<div id=\"after2\"></div>");
+
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_FALSE(document().getElementById("after1"));
+ EXPECT_FALSE(document().getElementById("after2"));
+ EXPECT_FALSE(document().getElementById("after3"));
+
+ mainResource.complete(
+ "<link rel=stylesheet href=testBody3.css>"
+ "<div id=\"after3\"></div>"
+ "</body></html>");
+
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_FALSE(document().getElementById("after1"));
+ EXPECT_FALSE(document().getElementById("after2"));
+ EXPECT_FALSE(document().getElementById("after3"));
+
+ // Completing the head css shouldn't change anything
+ cssHeadResource.complete("");
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_FALSE(document().getElementById("after1"));
+ EXPECT_FALSE(document().getElementById("after2"));
+ EXPECT_FALSE(document().getElementById("after3"));
+
+ // Completing the second css shouldn't change anything
+ cssBodyResource2.complete("");
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_FALSE(document().getElementById("after1"));
+ EXPECT_FALSE(document().getElementById("after2"));
+ EXPECT_FALSE(document().getElementById("after3"));
+
+ // Completing the first css should allow the parser to continue past it and
+ // the second css which was already completed and then pause again before the
+ // third css.
+ cssBodyResource1.complete("");
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_TRUE(document().getElementById("after1"));
+ EXPECT_TRUE(document().getElementById("after2"));
+ EXPECT_FALSE(document().getElementById("after3"));
+
+ // Completing the third css should let it continue to the end.
+ cssBodyResource3.complete("");
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_TRUE(document().getElementById("after1"));
+ EXPECT_TRUE(document().getElementById("after2"));
+ EXPECT_TRUE(document().getElementById("after3"));
+}
+
+TEST_F(HTMLDocumentParserLoadingTest,
+ ShouldNotPauseParsingForExternalNonMatchingStylesheetsInBody) {
+ Document::setThreadedParsingEnabledForTesting(false);
+ SimRequest mainResource("https://example.com/test.html", "text/html");
+ SimRequest cssHeadResource("https://example.com/testHead.css", "text/css");
+
+ loadURL("https://example.com/test.html");
+
+ mainResource.complete(
+ "<!DOCTYPE html>"
+ "<html><head>"
+ "<link rel=stylesheet href=testHead.css>"
+ "</head><body>"
+ "<div id=\"before\"></div>"
+ "<link rel=stylesheet href=testBody.css type='print'>"
+ "<div id=\"after\"></div>"
+ "</body></html>");
+
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_TRUE(document().getElementById("after"));
+
+ // Completing the head css shouldn't change anything
+ cssHeadResource.complete("");
+}
+
+TEST_F(HTMLDocumentParserLoadingTest,
+ ShouldNotPauseParsingForExternalNonMatchingStylesheetsInBodyThreaded) {
+ Document::setThreadedParsingEnabledForTesting(true);
+ SimRequest mainResource("https://example.com/test.html", "text/html");
+ SimRequest cssHeadResource("https://example.com/testHead.css", "text/css");
+
+ loadURL("https://example.com/test.html");
+
+ mainResource.complete(
+ "<!DOCTYPE html>"
+ "<html><head>"
+ "<link rel=stylesheet href=testHead.css>"
+ "</head><body>"
+ "<div id=\"before\"></div>"
+ "<link rel=stylesheet href=testBody.css type='print'>"
+ "<div id=\"after\"></div>"
+ "</body></html>");
+
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_TRUE(document().getElementById("after"));
+
+ // Completing the head css shouldn't change anything
+ cssHeadResource.complete("");
+}
+
+TEST_F(HTMLDocumentParserLoadingTest,
+ ShouldPauseParsingForExternalStylesheetsImportedInBody) {
+ Document::setThreadedParsingEnabledForTesting(false);
+ SimRequest mainResource("https://example.com/test.html", "text/html");
+ SimRequest cssHeadResource("https://example.com/testHead.css", "text/css");
+ SimRequest cssBodyResource("https://example.com/testBody.css", "text/css");
+
+ loadURL("https://example.com/test.html");
+
+ mainResource.complete(
+ "<!DOCTYPE html>"
+ "<html><head>"
+ "<link rel=stylesheet href=testHead.css>"
+ "</head><body>"
+ "<div id=\"before\"></div>"
+ "<style>"
+ "@import 'testBody.css'"
+ "</style>"
+ "<div id=\"after\"></div>"
+ "</body></html>");
+
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_FALSE(document().getElementById("after"));
+
+ // Completing the head css shouldn't change anything
+ cssHeadResource.complete("");
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_FALSE(document().getElementById("after"));
+
+ // Completing the body resource and pumping the tasks should continue parsing
+ // and create the "after" div.
+ cssBodyResource.complete("");
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_TRUE(document().getElementById("after"));
+}
+
+TEST_F(HTMLDocumentParserLoadingTest,
+ ShouldPauseParsingForExternalStylesheetsImportedInBodyThreaded) {
+ Document::setThreadedParsingEnabledForTesting(true);
+ SimRequest mainResource("https://example.com/test.html", "text/html");
+ SimRequest cssHeadResource("https://example.com/testHead.css", "text/css");
+ SimRequest cssBodyResource("https://example.com/testBody.css", "text/css");
+
+ loadURL("https://example.com/test.html");
+
+ mainResource.complete(
+ "<!DOCTYPE html>"
+ "<html><head>"
+ "<link rel=stylesheet href=testHead.css>"
+ "</head><body>"
+ "<div id=\"before\"></div>"
+ "<style>"
+ "@import 'testBody.css'"
+ "</style>"
+ "<div id=\"after\"></div>"
+ "</body></html>");
+
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_FALSE(document().getElementById("after"));
+
+ // Completing the head css shouldn't change anything
+ cssHeadResource.complete("");
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_FALSE(document().getElementById("after"));
+
+ // Completing the body resource and pumping the tasks should continue parsing
+ // and create the "after" div.
+ cssBodyResource.complete("");
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_TRUE(document().getElementById("after"));
+}
+
+TEST_F(HTMLDocumentParserLoadingTest,
+ ShouldPauseParsingForExternalStylesheetsWrittenInBody) {
+ Document::setThreadedParsingEnabledForTesting(false);
+ SimRequest mainResource("https://example.com/test.html", "text/html");
+ SimRequest cssHeadResource("https://example.com/testHead.css", "text/css");
+ SimRequest cssBodyResource("https://example.com/testBody.css", "text/css");
+
+ loadURL("https://example.com/test.html");
+
+ mainResource.complete(
+ "<!DOCTYPE html>"
+ "<html><head>"
+ "<link rel=stylesheet href=testHead.css>"
+ "</head><body>"
+ "<div id=\"before\"></div>"
+ "<script>"
+ "document.write('<link rel=stylesheet href=testBody.css>');"
+ "</script>"
+ "<div id=\"after\"></div>"
+ "</body></html>");
+
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_FALSE(document().getElementById("after"));
+
+ // Completing the head css shouldn't change anything
+ cssHeadResource.complete("");
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_FALSE(document().getElementById("after"));
+
+ // Completing the body resource and pumping the tasks should continue parsing
+ // and create the "after" div.
+ cssBodyResource.complete("");
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_TRUE(document().getElementById("after"));
+}
+
+TEST_F(HTMLDocumentParserLoadingTest,
+ ShouldPauseParsingForExternalStylesheetsWrittenInBodyThreaded) {
+ Document::setThreadedParsingEnabledForTesting(true);
+ SimRequest mainResource("https://example.com/test.html", "text/html");
+ SimRequest cssHeadResource("https://example.com/testHead.css", "text/css");
+ SimRequest cssBodyResource("https://example.com/testBody.css", "text/css");
+
+ loadURL("https://example.com/test.html");
+
+ mainResource.complete(
+ "<!DOCTYPE html>"
+ "<html><head>"
+ "<link rel=stylesheet href=testHead.css>"
+ "</head><body>"
+ "<div id=\"before\"></div>"
+ "<script>"
+ "document.write('<link rel=stylesheet href=testBody.css>');"
+ "</script>"
+ "<div id=\"after\"></div>"
+ "</body></html>");
+
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_FALSE(document().getElementById("after"));
+
+ // Completing the head css shouldn't change anything
+ cssHeadResource.complete("");
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_FALSE(document().getElementById("after"));
+
+ // Completing the body resource and pumping the tasks should continue parsing
+ // and create the "after" div.
+ cssBodyResource.complete("");
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_TRUE(document().getElementById("after"));
+}
+
+TEST_F(HTMLDocumentParserLoadingTest,
+ PendingHeadStylesheetShouldNotBlockParserForBodyInlineStyle) {
+ Document::setThreadedParsingEnabledForTesting(false);
+ SimRequest mainResource("https://example.com/test.html", "text/html");
+ SimRequest cssHeadResource("https://example.com/testHead.css", "text/css");
+
+ loadURL("https://example.com/test.html");
+
+ mainResource.complete(
+ "<!DOCTYPE html>"
+ "<html><head>"
+ "<link rel=stylesheet href=testHead.css>"
+ "</head><body>"
+ "<div id=\"before\"></div>"
+ "<style>"
+ "</style>"
+ "<div id=\"after\"></div>"
+ "</body></html>");
+
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_TRUE(document().getElementById("after"));
+ cssHeadResource.complete("");
+}
+
+TEST_F(HTMLDocumentParserLoadingTest,
+ PendingHeadStylesheetShouldNotBlockParserForBodyInlineStyleThreaded) {
+ Document::setThreadedParsingEnabledForTesting(true);
+ SimRequest mainResource("https://example.com/test.html", "text/html");
+ SimRequest cssHeadResource("https://example.com/testHead.css", "text/css");
+
+ loadURL("https://example.com/test.html");
+
+ mainResource.complete(
+ "<!DOCTYPE html>"
+ "<html><head>"
+ "<link rel=stylesheet href=testHead.css>"
+ "</head><body>"
+ "<div id=\"before\"></div>"
+ "<style>"
+ "</style>"
+ "<div id=\"after\"></div>"
+ "</body></html>");
+
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_TRUE(document().getElementById("after"));
+ cssHeadResource.complete("");
+}
+
+TEST_F(HTMLDocumentParserLoadingTest,
+ PendingHeadStylesheetShouldNotBlockParserForBodyShadowDom) {
+ Document::setThreadedParsingEnabledForTesting(false);
+ SimRequest mainResource("https://example.com/test.html", "text/html");
+ SimRequest cssHeadResource("https://example.com/testHead.css", "text/css");
+
+ loadURL("https://example.com/test.html");
+
+ // The marquee tag has a shadow DOM that synchronously applies a stylesheet.
+ mainResource.complete(
+ "<!DOCTYPE html>"
+ "<html><head>"
+ "<link rel=stylesheet href=testHead.css>"
+ "</head><body>"
+ "<div id=\"before\"></div>"
+ "<marquee>Marquee</marquee>"
+ "<div id=\"after\"></div>"
+ "</body></html>");
+
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_TRUE(document().getElementById("after"));
+ cssHeadResource.complete("");
+}
+
+TEST_F(HTMLDocumentParserLoadingTest,
+ PendingHeadStylesheetShouldNotBlockParserForBodyShadowDomThreaded) {
+ Document::setThreadedParsingEnabledForTesting(true);
+ SimRequest mainResource("https://example.com/test.html", "text/html");
+ SimRequest cssHeadResource("https://example.com/testHead.css", "text/css");
+
+ loadURL("https://example.com/test.html");
+
+ // The marquee tag has a shadow DOM that synchronously applies a stylesheet.
+ mainResource.complete(
+ "<!DOCTYPE html>"
+ "<html><head>"
+ "<link rel=stylesheet href=testHead.css>"
+ "</head><body>"
+ "<div id=\"before\"></div>"
+ "<marquee>Marquee</marquee>"
+ "<div id=\"after\"></div>"
+ "</body></html>");
+
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_TRUE(document().getElementById("after"));
+ cssHeadResource.complete("");
+}
+
+TEST_F(HTMLDocumentParserLoadingTest,
+ ShouldNotPauseParsingForExternalStylesheetsAttachedInBody) {
+ Document::setThreadedParsingEnabledForTesting(false);
+ SimRequest mainResource("https://example.com/test.html", "text/html");
+ SimRequest cssAsyncResource("https://example.com/testAsync.css", "text/css");
+
+ loadURL("https://example.com/test.html");
+
+ mainResource.complete(
+ "<!DOCTYPE html>"
+ "<html><head>"
+ "</head><body>"
+ "<div id=\"before\"></div>"
+ "<script>"
+ "var attach = document.getElementsByTagName('script')[0];"
+ "var link = document.createElement('link');"
+ "link.rel = 'stylesheet';"
+ "link.type = 'text/css';"
+ "link.href = 'testAsync.css';"
+ "link.media = 'all';"
+ "attach.appendChild(link);"
+ "</script>"
+ "<div id=\"after\"></div>"
+ "</body></html>");
+
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_TRUE(document().getElementById("after"));
+
+ cssAsyncResource.complete("");
+}
+
+TEST_F(HTMLDocumentParserLoadingTest,
+ ShouldNotPauseParsingForExternalStylesheetsAttachedInBodyThreaded) {
+ Document::setThreadedParsingEnabledForTesting(true);
+ SimRequest mainResource("https://example.com/test.html", "text/html");
+ SimRequest cssAsyncResource("https://example.com/testAsync.css", "text/css");
+
+ loadURL("https://example.com/test.html");
+
+ mainResource.complete(
+ "<!DOCTYPE html>"
+ "<html><head>"
+ "</head><body>"
+ "<div id=\"before\"></div>"
+ "<script>"
+ "var attach = document.getElementsByTagName('script')[0];"
+ "var link = document.createElement('link');"
+ "link.rel = 'stylesheet';"
+ "link.type = 'text/css';"
+ "link.href = 'testAsync.css';"
+ "link.media = 'all';"
+ "attach.appendChild(link);"
+ "</script>"
+ "<div id=\"after\"></div>"
+ "</body></html>");
+
+ testing::runPendingTasks();
+ EXPECT_TRUE(document().getElementById("before"));
+ EXPECT_TRUE(document().getElementById("after"));
+
+ cssAsyncResource.complete("");
+}
+
+} // namespace blink
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