upload android base code part6
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android/system/update_engine/metrics_utils_unittest.cc
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android/system/update_engine/metrics_utils_unittest.cc
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//
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// Copyright (C) 2015 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#include "update_engine/metrics_utils.h"
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#include <gtest/gtest.h>
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#include "update_engine/common/fake_clock.h"
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#include "update_engine/common/fake_prefs.h"
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#include "update_engine/fake_system_state.h"
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namespace chromeos_update_engine {
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namespace metrics_utils {
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class MetricsUtilsTest : public ::testing::Test {};
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TEST(MetricsUtilsTest, GetConnectionType) {
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// Check that expected combinations map to the right value.
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EXPECT_EQ(metrics::ConnectionType::kUnknown,
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GetConnectionType(ConnectionType::kUnknown,
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ConnectionTethering::kUnknown));
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EXPECT_EQ(metrics::ConnectionType::kEthernet,
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GetConnectionType(ConnectionType::kEthernet,
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ConnectionTethering::kUnknown));
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EXPECT_EQ(metrics::ConnectionType::kWifi,
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GetConnectionType(ConnectionType::kWifi,
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ConnectionTethering::kUnknown));
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EXPECT_EQ(metrics::ConnectionType::kWimax,
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GetConnectionType(ConnectionType::kWimax,
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ConnectionTethering::kUnknown));
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EXPECT_EQ(metrics::ConnectionType::kBluetooth,
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GetConnectionType(ConnectionType::kBluetooth,
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ConnectionTethering::kUnknown));
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EXPECT_EQ(metrics::ConnectionType::kCellular,
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GetConnectionType(ConnectionType::kCellular,
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ConnectionTethering::kUnknown));
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EXPECT_EQ(metrics::ConnectionType::kTetheredEthernet,
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GetConnectionType(ConnectionType::kEthernet,
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ConnectionTethering::kConfirmed));
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EXPECT_EQ(metrics::ConnectionType::kTetheredWifi,
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GetConnectionType(ConnectionType::kWifi,
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ConnectionTethering::kConfirmed));
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// Ensure that we don't report tethered ethernet unless it's confirmed.
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EXPECT_EQ(metrics::ConnectionType::kEthernet,
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GetConnectionType(ConnectionType::kEthernet,
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ConnectionTethering::kNotDetected));
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EXPECT_EQ(metrics::ConnectionType::kEthernet,
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GetConnectionType(ConnectionType::kEthernet,
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ConnectionTethering::kSuspected));
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EXPECT_EQ(metrics::ConnectionType::kEthernet,
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GetConnectionType(ConnectionType::kEthernet,
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ConnectionTethering::kUnknown));
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// Ditto for tethered wifi.
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EXPECT_EQ(metrics::ConnectionType::kWifi,
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GetConnectionType(ConnectionType::kWifi,
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ConnectionTethering::kNotDetected));
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EXPECT_EQ(metrics::ConnectionType::kWifi,
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GetConnectionType(ConnectionType::kWifi,
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ConnectionTethering::kSuspected));
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EXPECT_EQ(metrics::ConnectionType::kWifi,
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GetConnectionType(ConnectionType::kWifi,
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ConnectionTethering::kUnknown));
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}
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TEST(MetricsUtilsTest, WallclockDurationHelper) {
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FakeSystemState fake_system_state;
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FakeClock fake_clock;
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base::TimeDelta duration;
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const std::string state_variable_key = "test-prefs";
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FakePrefs fake_prefs;
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fake_system_state.set_clock(&fake_clock);
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fake_system_state.set_prefs(&fake_prefs);
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// Initialize wallclock to 1 sec.
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fake_clock.SetWallclockTime(base::Time::FromInternalValue(1000000));
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// First time called so no previous measurement available.
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EXPECT_FALSE(metrics_utils::WallclockDurationHelper(&fake_system_state,
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state_variable_key,
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&duration));
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// Next time, we should get zero since the clock didn't advance.
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EXPECT_TRUE(metrics_utils::WallclockDurationHelper(&fake_system_state,
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state_variable_key,
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&duration));
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EXPECT_EQ(duration.InSeconds(), 0);
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// We can also call it as many times as we want with it being
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// considered a failure.
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EXPECT_TRUE(metrics_utils::WallclockDurationHelper(&fake_system_state,
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state_variable_key,
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&duration));
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EXPECT_EQ(duration.InSeconds(), 0);
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EXPECT_TRUE(metrics_utils::WallclockDurationHelper(&fake_system_state,
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state_variable_key,
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&duration));
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EXPECT_EQ(duration.InSeconds(), 0);
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// Advance the clock one second, then we should get 1 sec on the
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// next call and 0 sec on the subsequent call.
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fake_clock.SetWallclockTime(base::Time::FromInternalValue(2000000));
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EXPECT_TRUE(metrics_utils::WallclockDurationHelper(&fake_system_state,
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state_variable_key,
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&duration));
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EXPECT_EQ(duration.InSeconds(), 1);
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EXPECT_TRUE(metrics_utils::WallclockDurationHelper(&fake_system_state,
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state_variable_key,
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&duration));
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EXPECT_EQ(duration.InSeconds(), 0);
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// Advance clock two seconds and we should get 2 sec and then 0 sec.
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fake_clock.SetWallclockTime(base::Time::FromInternalValue(4000000));
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EXPECT_TRUE(metrics_utils::WallclockDurationHelper(&fake_system_state,
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state_variable_key,
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&duration));
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EXPECT_EQ(duration.InSeconds(), 2);
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EXPECT_TRUE(metrics_utils::WallclockDurationHelper(&fake_system_state,
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state_variable_key,
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&duration));
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EXPECT_EQ(duration.InSeconds(), 0);
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// There's a possibility that the wallclock can go backwards (NTP
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// adjustments, for example) so check that we properly handle this
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// case.
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fake_clock.SetWallclockTime(base::Time::FromInternalValue(3000000));
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EXPECT_FALSE(metrics_utils::WallclockDurationHelper(&fake_system_state,
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state_variable_key,
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&duration));
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fake_clock.SetWallclockTime(base::Time::FromInternalValue(4000000));
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EXPECT_TRUE(metrics_utils::WallclockDurationHelper(&fake_system_state,
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state_variable_key,
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&duration));
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EXPECT_EQ(duration.InSeconds(), 1);
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}
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TEST(MetricsUtilsTest, MonotonicDurationHelper) {
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int64_t storage = 0;
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FakeSystemState fake_system_state;
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FakeClock fake_clock;
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base::TimeDelta duration;
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fake_system_state.set_clock(&fake_clock);
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// Initialize monotonic clock to 1 sec.
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fake_clock.SetMonotonicTime(base::Time::FromInternalValue(1000000));
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// First time called so no previous measurement available.
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EXPECT_FALSE(metrics_utils::MonotonicDurationHelper(&fake_system_state,
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&storage,
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&duration));
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// Next time, we should get zero since the clock didn't advance.
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EXPECT_TRUE(metrics_utils::MonotonicDurationHelper(&fake_system_state,
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&storage,
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&duration));
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EXPECT_EQ(duration.InSeconds(), 0);
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// We can also call it as many times as we want with it being
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// considered a failure.
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EXPECT_TRUE(metrics_utils::MonotonicDurationHelper(&fake_system_state,
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&storage,
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&duration));
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EXPECT_EQ(duration.InSeconds(), 0);
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EXPECT_TRUE(metrics_utils::MonotonicDurationHelper(&fake_system_state,
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&storage,
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&duration));
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EXPECT_EQ(duration.InSeconds(), 0);
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// Advance the clock one second, then we should get 1 sec on the
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// next call and 0 sec on the subsequent call.
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fake_clock.SetMonotonicTime(base::Time::FromInternalValue(2000000));
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EXPECT_TRUE(metrics_utils::MonotonicDurationHelper(&fake_system_state,
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&storage,
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&duration));
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EXPECT_EQ(duration.InSeconds(), 1);
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EXPECT_TRUE(metrics_utils::MonotonicDurationHelper(&fake_system_state,
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&storage,
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&duration));
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EXPECT_EQ(duration.InSeconds(), 0);
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// Advance clock two seconds and we should get 2 sec and then 0 sec.
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fake_clock.SetMonotonicTime(base::Time::FromInternalValue(4000000));
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EXPECT_TRUE(metrics_utils::MonotonicDurationHelper(&fake_system_state,
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&storage,
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&duration));
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EXPECT_EQ(duration.InSeconds(), 2);
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EXPECT_TRUE(metrics_utils::MonotonicDurationHelper(&fake_system_state,
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&storage,
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&duration));
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EXPECT_EQ(duration.InSeconds(), 0);
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}
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} // namespace metrics_utils
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} // namespace chromeos_update_engine
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