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/*
* Copyright 2020 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "call/adaptation/resource.h"
#include "call/adaptation/test/fake_resource.h"
#include "test/gmock.h"
#include "test/gtest.h"
namespace webrtc {
using ::testing::_;
using ::testing::StrictMock;
class MockResourceListener : public ResourceListener {
public:
MOCK_METHOD(void, OnResourceUsageStateMeasured, (const Resource& resource));
};
TEST(ResourceTest, RegisteringListenerReceivesCallbacks) {
StrictMock<MockResourceListener> resource_listener;
FakeResource fake_resource("FakeResource");
fake_resource.SetResourceListener(&resource_listener);
EXPECT_CALL(resource_listener, OnResourceUsageStateMeasured(_))
.Times(1)
.WillOnce([](const Resource& resource) {
EXPECT_EQ(ResourceUsageState::kOveruse, resource.usage_state());
});
fake_resource.set_usage_state(ResourceUsageState::kOveruse);
fake_resource.SetResourceListener(nullptr);
}
TEST(ResourceTest, UnregisteringListenerStopsCallbacks) {
StrictMock<MockResourceListener> resource_listener;
FakeResource fake_resource("FakeResource");
fake_resource.SetResourceListener(&resource_listener);
fake_resource.SetResourceListener(nullptr);
EXPECT_CALL(resource_listener, OnResourceUsageStateMeasured(_)).Times(0);
fake_resource.set_usage_state(ResourceUsageState::kOveruse);
}
} // namespace webrtc
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