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
TEST(TimeUtilsTest,PrettyDuration)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
TEST(TimeUtilsTest,TestSleep)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