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// Copyright 2015 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "starboard/nplb/time_constants.h"
#include "starboard/time.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace starboard {
namespace nplb {
namespace {
TEST(SbTimeGetNowTest, IsKindOfSane) {
SbTime time = SbTimeGetNow();
// Now should be after the time I wrote this test.
EXPECT_GT(time, kTestTimeWritten);
// And it should be before 5 years after I wrote this test, at least for a
// while.
EXPECT_LT(time, kTestTimePastWritten);
}
TEST(SbTimeGetNowTest, HasDecentResolution) {
const int kNumIterations = 100;
for (int i = 0; i < kNumIterations; ++i) {
SbTime time1 = SbTimeGetNow();
SbTimeMonotonic timerStart = SbTimeGetMonotonicNow();
// Spin tightly until time increments.
SbTime time2 = 0;
while (true) {
time2 = SbTimeGetNow();
if (time2 != time1) {
EXPECT_NE(time2, time1);
break;
}
// If time hasn't changed within a second, that's beyond low resolution.
if ((SbTimeGetMonotonicNow() - timerStart) >= kSbTimeSecond) {
GTEST_FAIL() << "SbTimeGetNow() hasn't changed within a second.";
break;
}
}
}
}
} // namespace
} // namespace nplb
} // namespace starboard