Ilya Gorbunov
75 lines
3.1 KiB
Kotlin
75 lines
3.1 KiB
Kotlin
/*
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* Copyright 2010-2021 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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package test.utils
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import kotlin.random.Random
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import kotlin.test.*
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class KotlinVersionTest {
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@Test fun currentVersion() {
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assertTrue(KotlinVersion.CURRENT.isAtLeast(1, 1))
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assertTrue(KotlinVersion.CURRENT.isAtLeast(1, 1, 0))
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assertTrue(KotlinVersion.CURRENT >= KotlinVersion(1, 1))
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assertTrue(KotlinVersion(1, 1) <= KotlinVersion.CURRENT)
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val anotherCurrent = KotlinVersion.CURRENT.run { KotlinVersion(major, minor, patch) }
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assertEquals(KotlinVersion.CURRENT, anotherCurrent)
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assertEquals(KotlinVersion.CURRENT.hashCode(), anotherCurrent.hashCode())
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assertEquals(0, KotlinVersion.CURRENT compareTo anotherCurrent)
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}
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@Test fun componentValidation() {
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for (component in listOf(Int.MIN_VALUE, -1, 0, KotlinVersion.MAX_COMPONENT_VALUE, KotlinVersion.MAX_COMPONENT_VALUE + 1, Int.MAX_VALUE)) {
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for (place in 0..2) {
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val (major, minor, patch) = IntArray(3) { index -> if (index == place) component else 0 }
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if (component in 0..KotlinVersion.MAX_COMPONENT_VALUE) {
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KotlinVersion(major, minor, patch)
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} else {
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assertFailsWith<IllegalArgumentException>("Expected $major.$minor.$patch to be invalid version") {
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KotlinVersion(major, minor, patch)
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}
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}
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}
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}
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}
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@Test fun versionComparison() {
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val v100 = KotlinVersion(1, 0, 0)
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val v107 = KotlinVersion(1, 0, 7)
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val v110 = KotlinVersion(1, 1, 0)
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val v114 = KotlinVersion(1, 1, 4)
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val v115 = KotlinVersion(1, 1, 50)
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val v120 = KotlinVersion(1, 2, 0)
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val v122 = KotlinVersion(1, 2, 20)
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val v2 = KotlinVersion(2, 0, 0)
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val sorted = listOf(v100, v107, v110, v114, v115, v120, v122, v2)
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for ((prev, next) in sorted.zip(sorted.drop(1))) { // use zipWithNext in 1.2
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val message = "next: $next, prev: $prev"
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assertTrue(next > prev, message)
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assertTrue(next.isAtLeast(prev.major, prev.minor, prev.patch), message)
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assertTrue(next.isAtLeast(prev.major, prev.minor), message)
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assertTrue(next.isAtLeast(next.major, next.minor, next.patch), message)
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assertTrue(next.isAtLeast(next.major, next.minor), message)
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assertFalse(prev.isAtLeast(next.major, next.minor, next.patch), message)
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}
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}
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@Test fun randomVersionComparison() {
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fun randomComponent(): Int = Random.nextInt(KotlinVersion.MAX_COMPONENT_VALUE + 1)
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fun randomVersion() = KotlinVersion(randomComponent(), randomComponent(), randomComponent())
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repeat(1000) {
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val v1 = randomVersion()
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val v2 = randomVersion()
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if (v1.isAtLeast(v2.major, v2.minor, v2.patch))
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assertTrue(v1 >= v2, "Expected version $v1 >= $v2")
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}
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}
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}
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