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// Copyright 2019 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 "third_party/blink/renderer/core/loader/frame_resource_fetcher_properties.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/frame/settings.h"
#include "third_party/blink/renderer/core/testing/dummy_page_holder.h"
#include "third_party/blink/renderer/platform/network/network_state_notifier.h"
namespace blink {
class FrameResourceFetcherPropertiesTest : public testing::Test {
public:
FrameResourceFetcherPropertiesTest()
: dummy_page_holder_(std::make_unique<DummyPageHolder>(IntSize(1, 1))),
properties_(MakeGarbageCollected<FrameResourceFetcherProperties>(
*dummy_page_holder_->GetDocument().Loader(),
dummy_page_holder_->GetDocument())) {}
protected:
const std::unique_ptr<DummyPageHolder> dummy_page_holder_;
const Persistent<FrameResourceFetcherProperties> properties_;
};
TEST_F(FrameResourceFetcherPropertiesTest, SubframeDeprioritization) {
Settings* settings = dummy_page_holder_->GetDocument().GetSettings();
GetNetworkStateNotifier().SetNetworkConnectionInfoOverride(
true, WebConnectionType::kWebConnectionTypeCellular3G,
WebEffectiveConnectionType::kType3G, 1 /* http_rtt_msec */,
10.0 /* max_bandwidth_mbps */);
// Experiment is not enabled, expect default values.
EXPECT_FALSE(properties_->IsSubframeDeprioritizationEnabled());
// Low priority iframes enabled but network is not slow enough.
settings->SetLowPriorityIframesThreshold(WebEffectiveConnectionType::kType2G);
EXPECT_FALSE(properties_->IsSubframeDeprioritizationEnabled());
// Low priority iframes enabled and network is slow.
GetNetworkStateNotifier().SetNetworkConnectionInfoOverride(
true, WebConnectionType::kWebConnectionTypeCellular3G,
WebEffectiveConnectionType::kType2G, 1 /* http_rtt_msec */,
10.0 /* max_bandwidth_mbps */);
EXPECT_TRUE(properties_->IsSubframeDeprioritizationEnabled());
}
} // namespace blink
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