Files
android/libwvdrmengine/cdm/util/test/test_clock.cpp
Rahul Frias 615a1e9f64 Have system clocks return wall time
[ Merge of http://go/wvgerrit/120445 ]

Switch TestHost and FakeClock to use chrono::system_clock (wall time)
rather than chrono::steady_clock (ticks since boot time).

Bug: 183160800
Test: CE CDM tests
Change-Id: I6ef4c02c01ff96453847ee8f42e6037c298866b5
2021-03-21 13:34:05 -07:00

43 lines
1.1 KiB
C++

// Copyright 2019 Google LLC. All Rights Reserved. This file and proprietary
// source code may only be used and distributed under the Widevine License
// Agreement.
//
// Clock - A fake clock just for running tests.
#include "clock.h"
#include <chrono>
#include "test_sleep.h"
namespace wvcdm {
namespace {
// A fake clock that only advances when TestSleep::Sleep is called.
class FakeClock : public wvcdm::TestSleep::CallBack {
public:
FakeClock() {
auto now = std::chrono::system_clock().now();
now_ = now.time_since_epoch() / std::chrono::milliseconds(1);
TestSleep::set_callback(this);
}
~FakeClock() { TestSleep::set_callback(nullptr); }
void ElapseTime(int64_t milliseconds) { now_ += milliseconds; }
int64_t now() const { return now_; }
private:
int64_t now_;
};
FakeClock* g_fake_clock = nullptr;
} // namespace
// On devices running a fake OEMCrypto, we can use a fake sleep and fake time.
int64_t Clock::GetCurrentTime() {
if (g_fake_clock == nullptr) g_fake_clock = new FakeClock();
return g_fake_clock->now() / 1000;
}
} // namespace wvcdm