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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/testkit/testapp.h>
#include <vespa/vespalib/util/clock.h>
#include <vespa/fastos/thread.h>
using vespalib::Clock;
using vespalib::duration;
using vespalib::steady_time;
TEST("Test that clock is ticking forward") {
Clock clock(0.050);
FastOS_ThreadPool pool(0x10000);
ASSERT_TRUE(pool.NewThread(clock.getRunnable(), nullptr) != nullptr);
steady_time start = clock.getTimeNS();
std::this_thread::sleep_for(5s);
steady_time stop = clock.getTimeNS();
EXPECT_TRUE(stop > start);
std::this_thread::sleep_for(6s);
clock.stop();
steady_time stop2 = clock.getTimeNS();
EXPECT_TRUE(stop2 > stop);
EXPECT_TRUE(vespalib::count_ms(stop2 - stop) > 1000);
}
TEST_MAIN() { TEST_RUN_ALL(); }
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