Files
kotlin-fork/libraries/stdlib/jdk8/test/time/DurationConversionTest.kt
T
2020-03-10 12:07:14 +01:00

72 lines
2.4 KiB
Kotlin

/*
* Copyright 2010-2019 JetBrains s.r.o. and Kotlin Programming Language contributors.
* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
*/
@file:OptIn(ExperimentalTime::class)
package kotlin.jdk8.time.test
import kotlin.random.Random
import kotlin.test.*
import kotlin.time.*
import java.time.Duration as JTDuration
class DurationConversionTest {
@Test
fun twoWayConversion() {
fun test(days: Int, hours: Int, minutes: Int, seconds: Int, millis: Int, nanos: Int) {
val duration = days.days + hours.hours + minutes.minutes + seconds.seconds + millis.milliseconds + nanos.nanoseconds
val jtDuration = JTDuration.ZERO
.plusDays(days.toLong())
.plusHours(hours.toLong())
.plusMinutes(minutes.toLong())
.plusSeconds(seconds.toLong())
.plusMillis(millis.toLong())
.plusNanos(nanos.toLong())
assertEquals(jtDuration, duration.toJavaDuration())
assertEquals(duration, jtDuration.toKotlinDuration())
}
repeat(100) {
test(
days = Random.nextInt(-100, 100),
hours = Random.nextInt(-48, 48),
minutes = Random.nextInt(-600, 600),
seconds = Random.nextInt(-600, 600),
millis = Random.nextInt(-1000000, 1000000),
nanos = Random.nextInt()
)
}
}
@Test
fun javaToKotlinRounding() {
val jtDuration = JTDuration.ofDays(105).plusNanos(1)
val duration = jtDuration.toKotlinDuration()
assertEquals(105.days, duration)
}
@Test
fun kotlinToJavaClamping() {
val duration = Long.MAX_VALUE.seconds * 5
val jtDuration = duration.toJavaDuration()
assertEquals(JTDuration.ofSeconds(Long.MAX_VALUE), jtDuration)
val jtnegDuration = (-duration).toJavaDuration()
assertEquals(JTDuration.ofSeconds(Long.MIN_VALUE), jtnegDuration)
}
@Test
fun randomIsoConversionEquivalence() {
repeat(100) {
val duration = Random.nextLong(-(1 shl 53) + 1, 1 shl 53).nanoseconds
val fromString = JTDuration.parse(duration.toIsoString())
val fromDuration = duration.toJavaDuration()
assertEquals(fromString, fromDuration)
}
}
}