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// Copyright 2018 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 "base/time/time_override.h"
namespace base {
namespace subtle {
#if DCHECK_IS_ON()
// static
bool ScopedTimeClockOverrides::overrides_active_ = false;
#endif
ScopedTimeClockOverrides::ScopedTimeClockOverrides(
TimeNowFunction time_override,
TimeTicksNowFunction time_ticks_override,
ThreadTicksNowFunction thread_ticks_override) {
#if DCHECK_IS_ON()
DCHECK(!overrides_active_);
overrides_active_ = true;
#endif
if (time_override) {
internal::g_time_now_function = time_override;
internal::g_time_now_from_system_time_function = time_override;
}
if (time_ticks_override)
internal::g_time_ticks_now_function = time_ticks_override;
#if SB_API_VERSION >= 12 || SB_HAS(TIME_THREAD_NOW)
if (thread_ticks_override)
internal::g_thread_ticks_now_function = thread_ticks_override;
#endif
}
ScopedTimeClockOverrides::~ScopedTimeClockOverrides() {
internal::g_time_now_function = &TimeNowIgnoringOverride;
internal::g_time_now_from_system_time_function =
&TimeNowFromSystemTimeIgnoringOverride;
internal::g_time_ticks_now_function = &TimeTicksNowIgnoringOverride;
#if SB_API_VERSION >= 12 || SB_HAS(TIME_THREAD_NOW)
internal::g_thread_ticks_now_function = &ThreadTicksNowIgnoringOverride;
#endif
#if DCHECK_IS_ON()
overrides_active_ = false;
#endif
}
} // namespace subtle
} // namespace base