Alexander Udalov
55 lines
1.8 KiB
Kotlin
55 lines
1.8 KiB
Kotlin
/*
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* Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
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* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
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*/
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@file:OptIn(ExperimentalTime::class)
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package test.time
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import kotlin.test.*
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import kotlin.time.*
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class TimeMarkTest {
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@Test
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fun adjustment() {
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val timeSource = TestTimeSource()
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fun TimeMark.assertHasPassed(hasPassed: Boolean) {
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assertEquals(!hasPassed, this.hasNotPassedNow(), "Expected mark in the future")
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assertEquals(hasPassed, this.hasPassedNow(), "Expected mark in the past")
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assertEquals(!hasPassed, this.elapsedNow() < Duration.ZERO, "Mark elapsed: ${this.elapsedNow()}, expected hasPassed: $hasPassed")
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}
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val mark = timeSource.markNow()
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val markFuture1 = (mark + 1.milliseconds).apply { assertHasPassed(false) }
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val markFuture2 = (mark - (-1).milliseconds).apply { assertHasPassed(false) }
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val markPast1 = (mark - 1.milliseconds).apply { assertHasPassed(true) }
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val markPast2 = (markFuture1 + (-2).milliseconds).apply { assertHasPassed(true) }
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timeSource += 500_000.nanoseconds
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val elapsed = mark.elapsedNow()
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val elapsedFromFuture = elapsed - 1.milliseconds
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val elapsedFromPast = elapsed + 1.milliseconds
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assertEquals(0.5.milliseconds, elapsed)
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assertEquals(elapsedFromFuture, markFuture1.elapsedNow())
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assertEquals(elapsedFromFuture, markFuture2.elapsedNow())
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assertEquals(elapsedFromPast, markPast1.elapsedNow())
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assertEquals(elapsedFromPast, markPast2.elapsedNow())
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markFuture1.assertHasPassed(false)
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markPast1.assertHasPassed(true)
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timeSource += 1.milliseconds
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markFuture1.assertHasPassed(true)
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markPast1.assertHasPassed(true)
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}
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}
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