1 /* 2 * Copyright 2017, OpenCensus Authors 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 package io.opencensus.common; 18 19 import static com.google.common.truth.Truth.assertThat; 20 21 import org.junit.Rule; 22 import org.junit.Test; 23 import org.junit.rules.ExpectedException; 24 import org.junit.runner.RunWith; 25 import org.junit.runners.JUnit4; 26 27 /** Unit tests for {@link Timestamp}. */ 28 @RunWith(JUnit4.class) 29 public class TimestampTest { 30 @Rule public ExpectedException thrown = ExpectedException.none(); 31 32 @Test 33 public void timestampCreate() { 34 assertThat(Timestamp.create(24, 42).getSeconds()).isEqualTo(24); 35 assertThat(Timestamp.create(24, 42).getNanos()).isEqualTo(42); 36 assertThat(Timestamp.create(-24, 42).getSeconds()).isEqualTo(-24); 37 assertThat(Timestamp.create(-24, 42).getNanos()).isEqualTo(42); 38 assertThat(Timestamp.create(315576000000L, 999999999).getSeconds()).isEqualTo(315576000000L); 39 assertThat(Timestamp.create(315576000000L, 999999999).getNanos()).isEqualTo(999999999); 40 assertThat(Timestamp.create(-315576000000L, 999999999).getSeconds()).isEqualTo(-315576000000L); 41 assertThat(Timestamp.create(-315576000000L, 999999999).getNanos()).isEqualTo(999999999); 42 } 43 44 @Test 45 public void create_SecondsTooLow() { 46 thrown.expect(IllegalArgumentException.class); 47 thrown.expectMessage("'seconds' is less than minimum (-315576000000): -315576000001"); 48 Timestamp.create(-315576000001L, 0); 49 } 50 51 @Test 52 public void create_SecondsTooHigh() { 53 thrown.expect(IllegalArgumentException.class); 54 thrown.expectMessage("'seconds' is greater than maximum (315576000000): 315576000001"); 55 Timestamp.create(315576000001L, 0); 56 } 57 58 @Test 59 public void create_NanosTooLow_PositiveTime() { 60 thrown.expect(IllegalArgumentException.class); 61 thrown.expectMessage("'nanos' is less than zero: -1"); 62 Timestamp.create(1, -1); 63 } 64 65 @Test 66 public void create_NanosTooHigh_PositiveTime() { 67 thrown.expect(IllegalArgumentException.class); 68 thrown.expectMessage("'nanos' is greater than maximum (999999999): 1000000000"); 69 Timestamp.create(1, 1000000000); 70 } 71 72 @Test 73 public void create_NanosTooLow_NegativeTime() { 74 thrown.expect(IllegalArgumentException.class); 75 thrown.expectMessage("'nanos' is less than zero: -1"); 76 Timestamp.create(-1, -1); 77 } 78 79 @Test 80 public void create_NanosTooHigh_NegativeTime() { 81 thrown.expect(IllegalArgumentException.class); 82 thrown.expectMessage("'nanos' is greater than maximum (999999999): 1000000000"); 83 Timestamp.create(-1, 1000000000); 84 } 85 86 @Test 87 public void timestampFromMillis() { 88 assertThat(Timestamp.fromMillis(0)).isEqualTo(Timestamp.create(0, 0)); 89 assertThat(Timestamp.fromMillis(987)).isEqualTo(Timestamp.create(0, 987000000)); 90 assertThat(Timestamp.fromMillis(3456)).isEqualTo(Timestamp.create(3, 456000000)); 91 } 92 93 @Test 94 public void timestampFromMillis_Negative() { 95 assertThat(Timestamp.fromMillis(-1)).isEqualTo(Timestamp.create(-1, 999000000)); 96 assertThat(Timestamp.fromMillis(-999)).isEqualTo(Timestamp.create(-1, 1000000)); 97 assertThat(Timestamp.fromMillis(-3456)).isEqualTo(Timestamp.create(-4, 544000000)); 98 } 99 100 @Test 101 public void fromMillis_TooLow() { 102 thrown.expect(IllegalArgumentException.class); 103 thrown.expectMessage("'seconds' is less than minimum (-315576000000): -315576000001"); 104 Timestamp.fromMillis(-315576000001000L); 105 } 106 107 @Test 108 public void fromMillis_TooHigh() { 109 thrown.expect(IllegalArgumentException.class); 110 thrown.expectMessage("'seconds' is greater than maximum (315576000000): 315576000001"); 111 Timestamp.fromMillis(315576000001000L); 112 } 113 114 @Test 115 public void timestampAddNanos() { 116 Timestamp timestamp = Timestamp.create(1234, 223); 117 assertThat(timestamp.addNanos(0)).isEqualTo(timestamp); 118 assertThat(timestamp.addNanos(999999777)).isEqualTo(Timestamp.create(1235, 0)); 119 assertThat(timestamp.addNanos(1300200500)).isEqualTo(Timestamp.create(1235, 300200723)); 120 assertThat(timestamp.addNanos(1999999777)).isEqualTo(Timestamp.create(1236, 0)); 121 assertThat(timestamp.addNanos(9876543789L)).isEqualTo(Timestamp.create(1243, 876544012)); 122 assertThat(timestamp.addNanos(Long.MAX_VALUE)) 123 .isEqualTo(Timestamp.create(1234L + 9223372036L, 223 + 854775807)); 124 } 125 126 @Test 127 public void timestampAddNanos_Negative() { 128 Timestamp timestamp = Timestamp.create(1234, 223); 129 assertThat(timestamp.addNanos(-223)).isEqualTo(Timestamp.create(1234, 0)); 130 assertThat(timestamp.addNanos(-1000000223)).isEqualTo(Timestamp.create(1233, 0)); 131 assertThat(timestamp.addNanos(-1300200500)).isEqualTo(Timestamp.create(1232, 699799723)); 132 assertThat(timestamp.addNanos(-4123456213L)).isEqualTo(Timestamp.create(1229, 876544010)); 133 assertThat(timestamp.addNanos(Long.MIN_VALUE)) 134 .isEqualTo(Timestamp.create(1234L - 9223372036L - 1, 223 + 145224192)); 135 } 136 137 @Test 138 public void timestampAddDuration() { 139 Timestamp timestamp = Timestamp.create(1234, 223); 140 assertThat(timestamp.addDuration(Duration.create(1, 0))).isEqualTo(Timestamp.create(1235, 223)); 141 assertThat(timestamp.addDuration(Duration.create(0, 1))).isEqualTo(Timestamp.create(1234, 224)); 142 assertThat(timestamp.addDuration(Duration.create(1, 1))).isEqualTo(Timestamp.create(1235, 224)); 143 assertThat(timestamp.addDuration(Duration.create(1, 999999900))) 144 .isEqualTo(Timestamp.create(1236, 123)); 145 } 146 147 @Test 148 public void timestampAddDuration_Negative() { 149 Timestamp timestamp = Timestamp.create(1234, 223); 150 assertThat(timestamp.addDuration(Duration.create(-1234, -223))) 151 .isEqualTo(Timestamp.create(0, 0)); 152 assertThat(timestamp.addDuration(Duration.create(-1, 0))) 153 .isEqualTo(Timestamp.create(1233, 223)); 154 assertThat(timestamp.addDuration(Duration.create(-1, -1))) 155 .isEqualTo(Timestamp.create(1233, 222)); 156 assertThat(timestamp.addDuration(Duration.create(-1, -323))) 157 .isEqualTo(Timestamp.create(1232, 999999900)); 158 assertThat(timestamp.addDuration(Duration.create(-33, -999999999))) 159 .isEqualTo(Timestamp.create(1200, 224)); 160 } 161 162 @Test 163 public void timestampSubtractTimestamp() { 164 Timestamp timestamp = Timestamp.create(1234, 223); 165 assertThat(timestamp.subtractTimestamp(Timestamp.create(0, 0))) 166 .isEqualTo(Duration.create(1234, 223)); 167 assertThat(timestamp.subtractTimestamp(Timestamp.create(1233, 223))) 168 .isEqualTo(Duration.create(1, 0)); 169 assertThat(timestamp.subtractTimestamp(Timestamp.create(1233, 222))) 170 .isEqualTo(Duration.create(1, 1)); 171 assertThat(timestamp.subtractTimestamp(Timestamp.create(1232, 999999900))) 172 .isEqualTo(Duration.create(1, 323)); 173 assertThat(timestamp.subtractTimestamp(Timestamp.create(1200, 224))) 174 .isEqualTo(Duration.create(33, 999999999)); 175 } 176 177 @Test 178 public void timestampSubtractTimestamp_NegativeResult() { 179 Timestamp timestamp = Timestamp.create(1234, 223); 180 assertThat(timestamp.subtractTimestamp(Timestamp.create(1235, 223))) 181 .isEqualTo(Duration.create(-1, 0)); 182 assertThat(timestamp.subtractTimestamp(Timestamp.create(1234, 224))) 183 .isEqualTo(Duration.create(0, -1)); 184 assertThat(timestamp.subtractTimestamp(Timestamp.create(1235, 224))) 185 .isEqualTo(Duration.create(-1, -1)); 186 assertThat(timestamp.subtractTimestamp(Timestamp.create(1236, 123))) 187 .isEqualTo(Duration.create(-1, -999999900)); 188 } 189 190 @Test 191 public void timestamp_CompareTo() { 192 assertThat(Timestamp.create(0, 0).compareTo(Timestamp.create(0, 0))).isEqualTo(0); 193 assertThat(Timestamp.create(24, 42).compareTo(Timestamp.create(24, 42))).isEqualTo(0); 194 assertThat(Timestamp.create(-24, 42).compareTo(Timestamp.create(-24, 42))).isEqualTo(0); 195 assertThat(Timestamp.create(25, 42).compareTo(Timestamp.create(24, 42))).isEqualTo(1); 196 assertThat(Timestamp.create(24, 45).compareTo(Timestamp.create(24, 42))).isEqualTo(1); 197 assertThat(Timestamp.create(24, 42).compareTo(Timestamp.create(25, 42))).isEqualTo(-1); 198 assertThat(Timestamp.create(24, 42).compareTo(Timestamp.create(24, 45))).isEqualTo(-1); 199 assertThat(Timestamp.create(-25, 42).compareTo(Timestamp.create(-24, 42))).isEqualTo(-1); 200 assertThat(Timestamp.create(-24, 45).compareTo(Timestamp.create(-24, 42))).isEqualTo(1); 201 assertThat(Timestamp.create(-24, 42).compareTo(Timestamp.create(-25, 42))).isEqualTo(1); 202 assertThat(Timestamp.create(-24, 42).compareTo(Timestamp.create(-24, 45))).isEqualTo(-1); 203 } 204 205 @Test 206 public void timestamp_Equal() { 207 // Positive tests. 208 assertThat(Timestamp.create(0, 0)).isEqualTo(Timestamp.create(0, 0)); 209 assertThat(Timestamp.create(24, 42)).isEqualTo(Timestamp.create(24, 42)); 210 assertThat(Timestamp.create(-24, 42)).isEqualTo(Timestamp.create(-24, 42)); 211 // Negative tests. 212 assertThat(Timestamp.create(25, 42)).isNotEqualTo(Timestamp.create(24, 42)); 213 assertThat(Timestamp.create(24, 43)).isNotEqualTo(Timestamp.create(24, 42)); 214 assertThat(Timestamp.create(-25, 42)).isNotEqualTo(Timestamp.create(-24, 42)); 215 assertThat(Timestamp.create(-24, 43)).isNotEqualTo(Timestamp.create(-24, 42)); 216 } 217 } 218
