Source/core/css/MediaQueryMatcherTest.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 "config.h"
#include "core/css/MediaQueryMatcher.h"

#include "core/MediaTypeNames.h"
#include "core/css/MediaList.h"
#include "core/testing/DummyPageHolder.h"

#include <gtest/gtest.h>

namespace blink {

TEST(MediaQueryMatcherTest, LostFrame)
{
    OwnPtr<DummyPageHolder> pageHolder = DummyPageHolder::create(IntSize(500, 500));
    RefPtrWillBeRawPtr<MediaQueryMatcher> matcher = MediaQueryMatcher::create(pageHolder->document());
    RefPtrWillBeRawPtr<MediaQuerySet> querySet = MediaQuerySet::create(MediaTypeNames::all);
    ASSERT_TRUE(matcher->evaluate(querySet.get()));

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

} // namespace