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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/system_cpu/cpu_probe_mac.h"
#include <memory>
#include <optional>
#include "base/test/task_environment.h"
#include "base/test/test_timeouts.h"
#include "base/threading/platform_thread.h"
#include "components/system_cpu/cpu_probe.h"
#include "components/system_cpu/cpu_sample.h"
#include "components/system_cpu/pressure_test_support.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace system_cpu {
class CpuProbeMacTest : public testing::Test {
public:
CpuProbeMacTest() = default;
~CpuProbeMacTest() override = default;
void SetUp() override {
probe_ = std::make_unique<FakePlatformCpuProbe<CpuProbeMac>>();
}
protected:
base::test::TaskEnvironment task_environment_;
std::unique_ptr<FakePlatformCpuProbe<CpuProbeMac>> probe_;
};
TEST_F(CpuProbeMacTest, ProductionDataNoCrash) {
EXPECT_EQ(probe_->UpdateAndWaitForSample(), std::nullopt)
<< "No baseline on first Update()";
base::PlatformThread::Sleep(TestTimeouts::tiny_timeout());
std::optional<CpuSample> sample = probe_->UpdateAndWaitForSample();
ASSERT_TRUE(sample.has_value());
EXPECT_GE(sample->cpu_utilization, 0.0);
EXPECT_LE(sample->cpu_utilization, 1.0);
}
} // namespace system_cpu
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