1 /* 2 * Copyright (C) 2017 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 "gtest/gtest.h" 18 19 #include "chre/util/time.h" 20 21 using chre::Seconds; 22 using chre::Milliseconds; 23 using chre::Microseconds; 24 using chre::Nanoseconds; 25 using chre::kOneSecondInNanoseconds; 26 using chre::kOneMillisecondInNanoseconds; 27 using chre::kOneMicrosecondInNanoseconds; 28 using chre::kOneMillisecondInMicroseconds; 29 30 // Tests for Time constants 31 TEST(Time, CheckTimeConversionConstants) { 32 EXPECT_EQ(kOneSecondInNanoseconds, 1e9); 33 EXPECT_EQ(kOneMillisecondInNanoseconds, 1e6); 34 EXPECT_EQ(kOneMicrosecondInNanoseconds, 1e3); 35 EXPECT_EQ(kOneMillisecondInMicroseconds, 1e3); 36 } 37 38 // Tests for Seconds 39 TEST(Time, ConvertSecToNanosec) { 40 Seconds t(5); 41 EXPECT_EQ(t.toRawNanoseconds(), 5 * kOneSecondInNanoseconds); 42 } 43 44 TEST(Time, ConvertSecToNanosecOverflowIsUint64Max) { 45 Seconds t(UINT64_MAX / kOneSecondInNanoseconds + 1); 46 EXPECT_EQ(t.toRawNanoseconds(), UINT64_MAX); 47 } 48 49 // Tests for Milliseconds 50 TEST(Time, DefaultMillisecIsZero) { 51 Milliseconds t; 52 EXPECT_EQ(t.getMilliseconds(), 0); 53 } 54 55 TEST(Time, GetInitialMillisec) { 56 Milliseconds t(5); 57 EXPECT_EQ(t.getMilliseconds(), 5); 58 } 59 60 TEST(Time, InitializeMillisecFromNanosec) { 61 Nanoseconds tNano(5 * kOneMillisecondInNanoseconds); 62 Milliseconds tMilli(tNano); 63 EXPECT_EQ(tMilli.getMilliseconds(), 5); 64 } 65 66 TEST(Time, ConcertMillisecToMicrosec) { 67 Milliseconds t(5); 68 EXPECT_EQ(t.getMicroseconds(), 5 * kOneMillisecondInMicroseconds); 69 } 70 71 TEST(Time, ConvertMillisecToNanosec) { 72 Milliseconds t(5); 73 EXPECT_EQ(t.toRawNanoseconds(), 5 * kOneMillisecondInNanoseconds); 74 } 75 76 TEST(Time, ConvertMillisecToNanosecOverflowIsUint64Max) { 77 Milliseconds t(UINT64_MAX / kOneMillisecondInNanoseconds + 1); 78 EXPECT_EQ(t.toRawNanoseconds(), UINT64_MAX); 79 } 80 81 TEST(Time, TestMillisecEquals) { 82 Milliseconds t1(5), t2(5), t3(6); 83 EXPECT_TRUE(t1 == t2); 84 EXPECT_FALSE(t1 == t3); 85 } 86 87 // Tests for Microseconds 88 TEST(Time, GetInitialMicrosec) { 89 Microseconds t(5); 90 EXPECT_EQ(t.getMicroseconds(), 5); 91 } 92 93 TEST(Time, InitializeMicrosecFromNanosec) { 94 Nanoseconds tNano(5 * kOneMicrosecondInNanoseconds); 95 Microseconds tMicro(tNano); 96 EXPECT_EQ(tMicro.getMicroseconds(), 5); 97 } 98 99 TEST(Time, ConvertMicrosecToNanosec) { 100 Microseconds t(5); 101 EXPECT_EQ(t.toRawNanoseconds(), 5 * kOneMicrosecondInNanoseconds); 102 } 103 104 TEST(Time, ConvertMicrosecToNanosecOverflowIsUint64Max) { 105 Milliseconds t(UINT64_MAX / kOneMicrosecondInNanoseconds + 1); 106 EXPECT_EQ(t.toRawNanoseconds(), UINT64_MAX); 107 } 108 109 TEST(Time, ConvertMicrosecToMillisec) { 110 Microseconds t(5120); 111 EXPECT_EQ(t.getMilliseconds(), 5); 112 } 113 114 // Tests for Nanoseconds 115 TEST(Time, DefaultNanosecIsZero) { 116 Nanoseconds t; 117 EXPECT_EQ(t.toRawNanoseconds(), 0); 118 } 119 120 TEST(Time, GetInitialNanosec) { 121 Nanoseconds t(5); 122 EXPECT_EQ(t.toRawNanoseconds(), 5); 123 } 124 125 TEST(Time, InitializeNanosecFromSec) { 126 Seconds tSec(5); 127 Nanoseconds tNano(tSec); 128 EXPECT_EQ(tNano.toRawNanoseconds(), 5 * kOneSecondInNanoseconds); 129 } 130 131 TEST(Time, InitializeNanosecFromMillisec) { 132 Milliseconds tMilli(5); 133 Nanoseconds tNano(tMilli); 134 EXPECT_EQ(tNano.toRawNanoseconds(), 5 * kOneMillisecondInNanoseconds); 135 } 136 137 TEST(Time, InitializeNanosecFromMicrosec) { 138 Microseconds tMicro(5); 139 Nanoseconds tNano(tMicro); 140 EXPECT_EQ(tNano.toRawNanoseconds(), 5 * kOneMicrosecondInNanoseconds); 141 } 142 143 TEST(Time, NanosecEquals) { 144 Nanoseconds t1(5), t2(5), t3(6); 145 EXPECT_TRUE(t1 == t2); 146 EXPECT_FALSE(t1 == t3); 147 } 148 149 TEST(Time, NanosecNotEquals) { 150 Nanoseconds t1(5), t2(5), t3(6); 151 EXPECT_FALSE(t1 != t2); 152 EXPECT_TRUE(t1 != t3); 153 } 154 155 TEST(Time, AddSecToNanosec) { 156 Nanoseconds t = Seconds(5) + Nanoseconds(6); 157 EXPECT_EQ(t.toRawNanoseconds(), 5 * kOneSecondInNanoseconds + 6); 158 } 159 160 TEST(Time, AddSecToNanosecOverflow) { 161 Nanoseconds t = Seconds(5) + Nanoseconds(UINT64_MAX); 162 EXPECT_EQ(t.toRawNanoseconds(), 5 * kOneSecondInNanoseconds - 1); 163 } 164 165 TEST(Time, AddNanosecToNanosec) { 166 Nanoseconds t = Nanoseconds(6) + Nanoseconds(5); 167 EXPECT_EQ(t.toRawNanoseconds(), 11); 168 } 169 170 TEST(Time, AddNanosecToNanosecOverflow) { 171 Nanoseconds t = Nanoseconds(6) + Nanoseconds(UINT64_MAX); 172 EXPECT_EQ(t.toRawNanoseconds(), 5); 173 } 174 175 TEST(Time, SubtractNanosecFromNanosec) { 176 Nanoseconds t = Nanoseconds(11) - Nanoseconds(5); 177 EXPECT_EQ(t.toRawNanoseconds(), 6); 178 } 179 180 TEST(Time, SubtractNanosecFromNanosecOverflow) { 181 Nanoseconds t = Nanoseconds(5) - Nanoseconds(11); 182 EXPECT_EQ(t.toRawNanoseconds(), UINT64_MAX - 5); 183 } 184 185 TEST(Time, NanosecGreaterThanEqual) { 186 Nanoseconds t1(5), t2(5), t3(6); 187 EXPECT_TRUE(t2 >= t1); 188 EXPECT_TRUE(t3 >= t1); 189 EXPECT_FALSE(t1 >= t3); 190 } 191 192 TEST(Time, NanosecLessThanEqual) { 193 Nanoseconds t1(5), t2(5), t3(6); 194 EXPECT_TRUE(t2 <= t1); 195 EXPECT_TRUE(t1 <= t3); 196 EXPECT_FALSE(t3 <= t1); 197 } 198 199 TEST(Time, NanosecLessThan) { 200 Nanoseconds t1(5), t2(5), t3(6); 201 EXPECT_FALSE(t2 < t1); 202 EXPECT_FALSE(t3 < t1); 203 EXPECT_TRUE(t1 < t3); 204 } 205 206 TEST(Time, NanosecGreaterThan) { 207 Nanoseconds t1(5), t2(5), t3(6); 208 EXPECT_FALSE(t2 > t1); 209 EXPECT_TRUE(t3 > t1); 210 EXPECT_FALSE(t1 > t3); 211 } 212
