File: MediaQueryMatcherTest.cpp

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// 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 "core/css/MediaQueryMatcher.h"

#include "core/MediaTypeNames.h"
#include "core/css/MediaList.h"
#include "core/testing/DummyPageHolder.h"
#include "testing/gtest/include/gtest/gtest.h"
#include <memory>

namespace blink {

TEST(MediaQueryMatcherTest, LostFrame) {
  std::unique_ptr<DummyPageHolder> pageHolder =
      DummyPageHolder::create(IntSize(500, 500));
  MediaQueryMatcher* matcher =
      MediaQueryMatcher::create(pageHolder->document());
  MediaQuerySet* querySet = MediaQuerySet::create(MediaTypeNames::all);
  ASSERT_TRUE(matcher->evaluate(querySet));

  matcher->documentDetached();
  ASSERT_FALSE(matcher->evaluate(querySet));
}

}  // namespace blink