Properly simulate self-closing tags when in "foreign content" mode

third_party/WebKit/Source/core/html/parser/HTMLTreeBuilderSimulatorTest.cpp

+// Copyright 2016 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/HTMLTreeBuilderSimulator.h"
+
+#include "core/html/parser/CompactHTMLToken.h"
+#include "core/html/parser/HTMLToken.h"
+#include "core/html/parser/HTMLTokenizer.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace blink {
+
+TEST(HTMLTreeBuilderSimulatorTest, SelfClosingSVGFollowedByScript) {
+  HTMLParserOptions options;
+  HTMLTreeBuilderSimulator simulator(options);
+  std::unique_ptr<HTMLTokenizer> tokenizer = HTMLTokenizer::create(options);
+  SegmentedString input("<svg/><script></script>");
+  HTMLToken token;
+  EXPECT_TRUE(tokenizer->nextToken(input, token));
+  EXPECT_EQ(HTMLTreeBuilderSimulator::OtherToken,
+            simulator.simulate(CompactHTMLToken(&token, TextPosition()),
+                               tokenizer.get()));
+
+  token.clear();
+  EXPECT_TRUE(tokenizer->nextToken(input, token));
+  EXPECT_EQ(HTMLTreeBuilderSimulator::ScriptStart,
+            simulator.simulate(CompactHTMLToken(&token, TextPosition()),
+                               tokenizer.get()));
+
+  EXPECT_EQ(HTMLTokenizer::ScriptDataState, tokenizer->getState());
+
+  token.clear();
+  EXPECT_TRUE(tokenizer->nextToken(input, token));
+  EXPECT_EQ(HTMLTreeBuilderSimulator::ScriptEnd,
+            simulator.simulate(CompactHTMLToken(&token, TextPosition()),
+                               tokenizer.get()));
+}
+
+TEST(HTMLTreeBuilderSimulatorTest, SelfClosingMathFollowedByScript) {
+  HTMLParserOptions options;
+  HTMLTreeBuilderSimulator simulator(options);
+  std::unique_ptr<HTMLTokenizer> tokenizer = HTMLTokenizer::create(options);
+  SegmentedString input("<math/><script></script>");
+  HTMLToken token;
+  EXPECT_TRUE(tokenizer->nextToken(input, token));
+  EXPECT_EQ(HTMLTreeBuilderSimulator::OtherToken,
+            simulator.simulate(CompactHTMLToken(&token, TextPosition()),
+                               tokenizer.get()));
+
+  token.clear();
+  EXPECT_TRUE(tokenizer->nextToken(input, token));
+  EXPECT_EQ(HTMLTreeBuilderSimulator::ScriptStart,
+            simulator.simulate(CompactHTMLToken(&token, TextPosition()),
+                               tokenizer.get()));
+
+  EXPECT_EQ(HTMLTokenizer::ScriptDataState, tokenizer->getState());
+
+  token.clear();
+  EXPECT_TRUE(tokenizer->nextToken(input, token));
+  EXPECT_EQ(HTMLTreeBuilderSimulator::ScriptEnd,
+            simulator.simulate(CompactHTMLToken(&token, TextPosition()),
+                               tokenizer.get()));
+}
+
+}  // namespace blink