aosp12/art/libartbase/base/time_utils_test.cc

59 lines
2.0 KiB
C++

/*
* Copyright (C) 2015 The Android Open Source Project
*
* 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 "time_utils.h"
#include "gtest/gtest.h"
namespace art {
TEST(TimeUtilsTest, PrettyDuration) {
const uint64_t one_sec = 1000000000;
const uint64_t one_ms = 1000000;
const uint64_t one_us = 1000;
EXPECT_EQ("1s", PrettyDuration(1 * one_sec));
EXPECT_EQ("10s", PrettyDuration(10 * one_sec));
EXPECT_EQ("100s", PrettyDuration(100 * one_sec));
EXPECT_EQ("1.001s", PrettyDuration(1 * one_sec + one_ms));
EXPECT_EQ("1.000001s", PrettyDuration(1 * one_sec + one_us, 6));
EXPECT_EQ("1.000000001s", PrettyDuration(1 * one_sec + 1, 9));
EXPECT_EQ("1.000s", PrettyDuration(1 * one_sec + one_us, 3));
EXPECT_EQ("1ms", PrettyDuration(1 * one_ms));
EXPECT_EQ("10ms", PrettyDuration(10 * one_ms));
EXPECT_EQ("100ms", PrettyDuration(100 * one_ms));
EXPECT_EQ("1.001ms", PrettyDuration(1 * one_ms + one_us));
EXPECT_EQ("1.000001ms", PrettyDuration(1 * one_ms + 1, 6));
EXPECT_EQ("1us", PrettyDuration(1 * one_us));
EXPECT_EQ("10us", PrettyDuration(10 * one_us));
EXPECT_EQ("100us", PrettyDuration(100 * one_us));
EXPECT_EQ("1.001us", PrettyDuration(1 * one_us + 1));
EXPECT_EQ("1ns", PrettyDuration(1));
EXPECT_EQ("10ns", PrettyDuration(10));
EXPECT_EQ("100ns", PrettyDuration(100));
}
TEST(TimeUtilsTest, TestSleep) {
auto start = NanoTime();
NanoSleep(MsToNs(1500));
EXPECT_GT(NanoTime() - start, MsToNs(1000));
}
} // namespace art