1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "time_utils.h" 18 19 #include "gtest/gtest.h" 20 21 namespace art { 22 23 TEST(TimeUtilsTest, PrettyDuration) { 24 const uint64_t one_sec = 1000000000; 25 const uint64_t one_ms = 1000000; 26 const uint64_t one_us = 1000; 27 28 EXPECT_EQ("1s", PrettyDuration(1 * one_sec)); 29 EXPECT_EQ("10s", PrettyDuration(10 * one_sec)); 30 EXPECT_EQ("100s", PrettyDuration(100 * one_sec)); 31 EXPECT_EQ("1.001s", PrettyDuration(1 * one_sec + one_ms)); 32 EXPECT_EQ("1.000001s", PrettyDuration(1 * one_sec + one_us, 6)); 33 EXPECT_EQ("1.000000001s", PrettyDuration(1 * one_sec + 1, 9)); 34 EXPECT_EQ("1.000s", PrettyDuration(1 * one_sec + one_us, 3)); 35 36 EXPECT_EQ("1ms", PrettyDuration(1 * one_ms)); 37 EXPECT_EQ("10ms", PrettyDuration(10 * one_ms)); 38 EXPECT_EQ("100ms", PrettyDuration(100 * one_ms)); 39 EXPECT_EQ("1.001ms", PrettyDuration(1 * one_ms + one_us)); 40 EXPECT_EQ("1.000001ms", PrettyDuration(1 * one_ms + 1, 6)); 41 42 EXPECT_EQ("1us", PrettyDuration(1 * one_us)); 43 EXPECT_EQ("10us", PrettyDuration(10 * one_us)); 44 EXPECT_EQ("100us", PrettyDuration(100 * one_us)); 45 EXPECT_EQ("1.001us", PrettyDuration(1 * one_us + 1)); 46 47 EXPECT_EQ("1ns", PrettyDuration(1)); 48 EXPECT_EQ("10ns", PrettyDuration(10)); 49 EXPECT_EQ("100ns", PrettyDuration(100)); 50 } 51 52 TEST(TimeUtilsTest, TestSleep) { 53 auto start = NanoTime(); 54 NanoSleep(MsToNs(1500)); 55 EXPECT_GT(NanoTime() - start, MsToNs(1000)); 56 } 57 58 } // namespace art 59
