53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
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// Copyright 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/timer/elapsed_timer.h"
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namespace base {
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namespace {
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bool g_mock_elapsed_timers_for_test = false;
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} // namespace
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ElapsedTimer::ElapsedTimer() : begin_(TimeTicks::Now()) {}
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ElapsedTimer::ElapsedTimer(ElapsedTimer&& other) : begin_(other.begin_) {}
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void ElapsedTimer::operator=(ElapsedTimer&& other) {
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begin_ = other.begin_;
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}
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TimeDelta ElapsedTimer::Elapsed() const {
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if (g_mock_elapsed_timers_for_test)
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return ScopedMockElapsedTimersForTest::kMockElapsedTime;
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return TimeTicks::Now() - begin_;
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}
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ElapsedThreadTimer::ElapsedThreadTimer()
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: is_supported_(ThreadTicks::IsSupported()),
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begin_(is_supported_ ? ThreadTicks::Now() : ThreadTicks()) {}
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TimeDelta ElapsedThreadTimer::Elapsed() const {
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if (!is_supported_)
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return TimeDelta();
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if (g_mock_elapsed_timers_for_test)
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return ScopedMockElapsedTimersForTest::kMockElapsedTime;
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return ThreadTicks::Now() - begin_;
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}
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// static
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constexpr TimeDelta ScopedMockElapsedTimersForTest::kMockElapsedTime;
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ScopedMockElapsedTimersForTest::ScopedMockElapsedTimersForTest() {
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DCHECK(!g_mock_elapsed_timers_for_test);
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g_mock_elapsed_timers_for_test = true;
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}
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ScopedMockElapsedTimersForTest::~ScopedMockElapsedTimersForTest() {
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DCHECK(g_mock_elapsed_timers_for_test);
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g_mock_elapsed_timers_for_test = false;
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}
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} // namespace base
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