Ilya Gorbunov
352 lines
16 KiB
Kotlin
352 lines
16 KiB
Kotlin
/*
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* Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
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* that can be found in the license/LICENSE.txt file.
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*/
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package test.ranges
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import test.collections.behaviors.iteratorBehavior
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import test.collections.compare
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import kotlin.test.*
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const val MaxI = Int.MAX_VALUE
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const val MinI = Int.MIN_VALUE
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const val MaxB = Byte.MAX_VALUE
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const val MinB = Byte.MIN_VALUE
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const val MaxS = Short.MAX_VALUE
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const val MinS = Short.MIN_VALUE
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const val MaxL = Long.MAX_VALUE
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const val MinL = Long.MIN_VALUE
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const val MaxC = Char.MAX_VALUE
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const val MinC = Char.MIN_VALUE
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// Test data for codegen is generated from this class. If you change it, rerun generateTests task
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public open class RangeIterationTestBase {
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public fun <N : Any> doTest(
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sequence: Iterable<N>,
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expectedFirst: N,
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expectedLast: N,
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expectedIncrement: Number,
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expectedElements: List<N>
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) {
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val first: Any
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val last: Any
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val increment: Number
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when (sequence) {
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is IntProgression -> {
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first = sequence.first
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last = sequence.last
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increment = sequence.step
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}
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is LongProgression -> {
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first = sequence.first
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last = sequence.last
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increment = sequence.step
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}
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is CharProgression -> {
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first = sequence.first
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last = sequence.last
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increment = sequence.step
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}
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else -> throw IllegalArgumentException("Unsupported sequence type: $sequence")
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}
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assertEquals(expectedFirst, first)
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assertEquals(expectedLast, last)
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assertEquals(expectedIncrement, increment)
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if (expectedElements.isEmpty())
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assertTrue(sequence.none())
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else
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assertEquals(expectedElements, sequence.toList())
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compare(expectedElements.iterator(), sequence.iterator()) {
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iteratorBehavior()
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}
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}
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}
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// Test data for codegen is generated from this class. If you change it, rerun GenerateTests
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public class RangeIterationTest : RangeIterationTestBase() {
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@Test fun emptyConstant() {
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doTest(IntRange.EMPTY, 1, 0, 1, listOf())
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doTest(LongRange.EMPTY, 1.toLong(), 0.toLong(), 1.toLong(), listOf())
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doTest(CharRange.EMPTY, 1.toChar(), 0.toChar(), 1, listOf())
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}
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@Test fun emptyRange() {
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doTest(10..5, 10, 5, 1, listOf())
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doTest(10.toByte()..(-5).toByte(), 10, (-5), 1, listOf())
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doTest(10.toShort()..(-5).toShort(), 10, (-5), 1, listOf())
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doTest(10.toLong()..-5.toLong(), 10.toLong(), -5.toLong(), 1.toLong(), listOf())
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doTest('z'..'a', 'z', 'a', 1, listOf())
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}
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@Test fun oneElementRange() {
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doTest(5..5, 5, 5, 1, listOf(5))
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doTest(5.toByte()..5.toByte(), 5, 5, 1, listOf(5))
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doTest(5.toShort()..5.toShort(), 5, 5, 1, listOf(5))
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doTest(5.toLong()..5.toLong(), 5.toLong(), 5.toLong(), 1.toLong(), listOf(5.toLong()))
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doTest('k'..'k', 'k', 'k', 1, listOf('k'))
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}
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@Test fun simpleRange() {
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doTest(3..9, 3, 9, 1, listOf(3, 4, 5, 6, 7, 8, 9))
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doTest(3.toByte()..9.toByte(), 3, 9, 1, listOf(3, 4, 5, 6, 7, 8, 9))
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doTest(3.toShort()..9.toShort(), 3, 9, 1, listOf(3, 4, 5, 6, 7, 8, 9))
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doTest(3.toLong()..9.toLong(), 3.toLong(), 9.toLong(), 1.toLong(), listOf<Long>(3, 4, 5, 6, 7, 8, 9))
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doTest('c'..'g', 'c', 'g', 1, listOf('c', 'd', 'e', 'f', 'g'))
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}
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@Test fun simpleRangeWithNonConstantEnds() {
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doTest((1 + 2)..(10 - 1), 3, 9, 1, listOf(3, 4, 5, 6, 7, 8, 9))
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doTest((1.toByte() + 2.toByte()).toByte()..(10.toByte() - 1.toByte()).toByte(), 3, 9, 1, listOf(3, 4, 5, 6, 7, 8, 9))
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doTest((1.toShort() + 2.toShort()).toShort()..(10.toShort() - 1.toShort()).toShort(), 3, 9, 1, listOf(3, 4, 5, 6, 7, 8, 9))
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doTest((1.toLong() + 2.toLong())..(10.toLong() - 1.toLong()), 3.toLong(), 9.toLong(), 1.toLong(), listOf<Long>(3, 4, 5, 6, 7, 8, 9))
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doTest(("ace"[1])..("age"[1]), 'c', 'g', 1, listOf('c', 'd', 'e', 'f', 'g'))
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}
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@Test fun openRange() {
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doTest(1 until 5, 1, 4, 1, listOf(1, 2, 3, 4))
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doTest(1.toByte() until 5.toByte(), 1, 4, 1, listOf(1, 2, 3, 4))
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doTest(1.toShort() until 5.toShort(), 1, 4, 1, listOf(1, 2, 3, 4))
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doTest(1.toLong() until 5.toLong(), 1L, 4L, 1L, listOf<Long>(1, 2, 3, 4))
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doTest('a' until 'd', 'a', 'c', 1, listOf('a', 'b', 'c'))
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}
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@Test fun emptyDownto() {
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doTest(5 downTo 10, 5, 10, -1, listOf())
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doTest(5.toByte() downTo 10.toByte(), 5, 10, -1, listOf())
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doTest(5.toShort() downTo 10.toShort(), 5, 10, -1, listOf())
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doTest(5.toLong() downTo 10.toLong(), 5.toLong(), 10.toLong(), -1.toLong(), listOf())
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doTest('a' downTo 'z', 'a', 'z', -1, listOf())
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}
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@Test fun oneElementDownTo() {
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doTest(5 downTo 5, 5, 5, -1, listOf(5))
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doTest(5.toByte() downTo 5.toByte(), 5, 5, -1, listOf(5))
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doTest(5.toShort() downTo 5.toShort(), 5, 5, -1, listOf(5))
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doTest(5.toLong() downTo 5.toLong(), 5.toLong(), 5.toLong(), -1.toLong(), listOf(5.toLong()))
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doTest('k' downTo 'k', 'k', 'k', -1, listOf('k'))
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}
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@Test fun simpleDownTo() {
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doTest(9 downTo 3, 9, 3, -1, listOf(9, 8, 7, 6, 5, 4, 3))
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doTest(9.toByte() downTo 3.toByte(), 9, 3, -1, listOf(9, 8, 7, 6, 5, 4, 3))
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doTest(9.toShort() downTo 3.toShort(), 9, 3, -1, listOf(9, 8, 7, 6, 5, 4, 3))
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doTest(9.toLong() downTo 3.toLong(), 9.toLong(), 3.toLong(), -1.toLong(), listOf<Long>(9, 8, 7, 6, 5, 4, 3))
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doTest('g' downTo 'c', 'g', 'c', -1, listOf('g', 'f', 'e', 'd', 'c'))
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}
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@Test fun simpleSteppedRange() {
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doTest(3..9 step 2, 3, 9, 2, listOf(3, 5, 7, 9))
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doTest(3.toByte()..9.toByte() step 2, 3, 9, 2, listOf(3, 5, 7, 9))
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doTest(3.toShort()..9.toShort() step 2, 3, 9, 2, listOf(3, 5, 7, 9))
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doTest(3.toLong()..9.toLong() step 2.toLong(), 3.toLong(), 9.toLong(), 2.toLong(), listOf<Long>(3, 5, 7, 9))
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doTest('c'..'g' step 2, 'c', 'g', 2, listOf('c', 'e', 'g'))
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}
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@Test fun simpleSteppedDownTo() {
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doTest(9 downTo 3 step 2, 9, 3, -2, listOf(9, 7, 5, 3))
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doTest(9.toByte() downTo 3.toByte() step 2, 9, 3, -2, listOf(9, 7, 5, 3))
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doTest(9.toShort() downTo 3.toShort() step 2, 9, 3, -2, listOf(9, 7, 5, 3))
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doTest(9.toLong() downTo 3.toLong() step 2.toLong(), 9.toLong(), 3.toLong(), -2.toLong(), listOf<Long>(9, 7, 5, 3))
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doTest('g' downTo 'c' step 2, 'g', 'c', -2, listOf('g', 'e', 'c'))
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}
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// 'inexact' means last element is not equal to sequence end
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@Test fun inexactSteppedRange() {
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doTest(3..8 step 2, 3, 7, 2, listOf(3, 5, 7))
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doTest(3.toByte()..8.toByte() step 2, 3, 7, 2, listOf(3, 5, 7))
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doTest(3.toShort()..8.toShort() step 2, 3, 7, 2, listOf(3, 5, 7))
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doTest(3.toLong()..8.toLong() step 2.toLong(), 3.toLong(), 7.toLong(), 2.toLong(), listOf<Long>(3, 5, 7))
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doTest('a'..'d' step 2, 'a', 'c', 2, listOf('a', 'c'))
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}
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// 'inexact' means last element is not equal to sequence end
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@Test fun inexactSteppedDownTo() {
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doTest(8 downTo 3 step 2, 8, 4, -2, listOf(8, 6, 4))
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doTest(8.toByte() downTo 3.toByte() step 2, 8, 4, -2, listOf(8, 6, 4))
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doTest(8.toShort() downTo 3.toShort() step 2, 8, 4, -2, listOf(8, 6, 4))
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doTest(8.toLong() downTo 3.toLong() step 2.toLong(), 8.toLong(), 4.toLong(), -2.toLong(), listOf<Long>(8, 6, 4))
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doTest('d' downTo 'a' step 2, 'd', 'b', -2, listOf('d', 'b'))
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}
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@Test fun reversedEmptyRange() {
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doTest((5..3).reversed(), 3, 5, -1, listOf())
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doTest((5.toByte()..3.toByte()).reversed(), 3, 5, -1, listOf())
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doTest((5.toShort()..3.toShort()).reversed(), 3, 5, -1, listOf())
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doTest((5.toLong()..3.toLong()).reversed(), 3.toLong(), 5.toLong(), -1.toLong(), listOf())
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doTest(('c'..'a').reversed(), 'a', 'c', -1, listOf())
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}
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@Test fun reversedEmptyBackSequence() {
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doTest((3 downTo 5).reversed(), 5, 3, 1, listOf())
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doTest((3.toByte() downTo 5.toByte()).reversed(), 5, 3, 1, listOf())
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doTest((3.toShort() downTo 5.toShort()).reversed(), 5, 3, 1, listOf())
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doTest((3.toLong() downTo 5.toLong()).reversed(), 5.toLong(), 3.toLong(), 1.toLong(), listOf())
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doTest(('a' downTo 'c').reversed(), 'c', 'a', 1, listOf())
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}
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@Test fun reversedRange() {
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doTest((3..5).reversed(), 5, 3, -1, listOf(5, 4, 3))
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doTest((3.toByte()..5.toByte()).reversed(),5, 3, -1, listOf(5, 4, 3))
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doTest((3.toShort()..5.toShort()).reversed(), 5, 3, -1, listOf(5, 4, 3))
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doTest((3.toLong()..5.toLong()).reversed(), 5.toLong(), 3.toLong(), -1.toLong(), listOf<Long>(5, 4, 3))
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doTest(('a'..'c').reversed(), 'c', 'a', -1, listOf('c', 'b', 'a'))
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}
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@Test fun reversedBackSequence() {
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doTest((5 downTo 3).reversed(), 3, 5, 1, listOf(3, 4, 5))
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doTest((5.toByte() downTo 3.toByte()).reversed(), 3, 5, 1, listOf(3, 4, 5))
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doTest((5.toShort() downTo 3.toShort()).reversed(), 3, 5, 1, listOf(3, 4, 5))
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doTest((5.toLong() downTo 3.toLong()).reversed(), 3.toLong(), 5.toLong(), 1.toLong(), listOf<Long>(3, 4, 5))
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doTest(('c' downTo 'a').reversed(), 'a', 'c', 1, listOf('a', 'b', 'c'))
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}
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@Test fun reversedSimpleSteppedRange() {
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doTest((3..9 step 2).reversed(), 9, 3, -2, listOf(9, 7, 5, 3))
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doTest((3.toByte()..9.toByte() step 2).reversed(), 9, 3, -2, listOf(9, 7, 5, 3))
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doTest((3.toShort()..9.toShort() step 2).reversed(), 9, 3, -2, listOf(9, 7, 5, 3))
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doTest((3.toLong()..9.toLong() step 2.toLong()).reversed(), 9.toLong(), 3.toLong(), -2.toLong(), listOf<Long>(9, 7, 5, 3))
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doTest(('c'..'g' step 2).reversed(), 'g', 'c', -2, listOf('g', 'e', 'c'))
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}
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// invariant progression.reversed().toList() == progression.toList().reversed() is preserved
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// 'inexact' means that start of reversed progression is not the end of original progression, but the last element
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@Test fun reversedInexactSteppedDownTo() {
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doTest((8 downTo 3 step 2).reversed(), 4, 8, 2, listOf(4, 6, 8))
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doTest((8.toByte() downTo 3.toByte() step 2).reversed(), 4, 8, 2, listOf(4, 6, 8))
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doTest((8.toShort() downTo 3.toShort() step 2).reversed(), 4, 8, 2, listOf(4, 6, 8))
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doTest((8.toLong() downTo 3.toLong() step 2.toLong()).reversed(), 4.toLong(), 8.toLong(), 2.toLong(), listOf<Long>(4, 6, 8))
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doTest(('d' downTo 'a' step 2).reversed(), 'b', 'd', 2, listOf('b', 'd'))
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}
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@Test fun maxValueToMaxValue() {
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doTest(MaxI..MaxI, MaxI, MaxI, 1, listOf(MaxI))
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doTest(MaxB..MaxB, MaxB.toInt(), MaxB.toInt(), 1, listOf(MaxB.toInt()))
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doTest(MaxS..MaxS, MaxS.toInt(), MaxS.toInt(), 1, listOf(MaxS.toInt()))
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doTest(MaxL..MaxL, MaxL, MaxL, 1.toLong(), listOf(MaxL))
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doTest(MaxC..MaxC, MaxC, MaxC, 1, listOf(MaxC))
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}
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@Test fun maxValueMinusTwoToMaxValue() {
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doTest((MaxI - 2)..MaxI, MaxI - 2, MaxI, 1, listOf(MaxI - 2, MaxI - 1, MaxI))
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doTest((MaxB - 2).toByte()..MaxB, (MaxB - 2).toInt(), MaxB.toInt(), 1, listOf((MaxB - 2).toInt(), (MaxB - 1).toInt(), MaxB.toInt()))
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doTest((MaxS - 2).toShort()..MaxS, (MaxS - 2).toInt(), MaxS.toInt(), 1, listOf((MaxS - 2).toInt(), (MaxS - 1).toInt(), MaxS.toInt()))
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doTest((MaxL - 2).toLong()..MaxL, (MaxL - 2).toLong(), MaxL, 1.toLong(), listOf((MaxL - 2).toLong(), (MaxL - 1).toLong(), MaxL))
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doTest((MaxC - 2)..MaxC, (MaxC - 2), MaxC, 1, listOf((MaxC - 2), (MaxC - 1), MaxC))
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}
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@Test fun maxValueToMinValue() {
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doTest(MaxI..MinI, MaxI, MinI, 1, listOf())
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doTest(MaxB..MinB, MaxB.toInt(), MinB.toInt(), 1, listOf())
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doTest(MaxS..MinS, MaxS.toInt(), MinS.toInt(), 1, listOf())
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doTest(MaxL..MinL, MaxL, MinL, 1.toLong(), listOf())
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doTest(MaxC..MinC, MaxC, MinC, 1, listOf())
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}
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@Test fun progressionMaxValueToMaxValue() {
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doTest(MaxI..MaxI step 1, MaxI, MaxI, 1, listOf(MaxI))
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doTest(MaxB..MaxB step 1, MaxB.toInt(), MaxB.toInt(), 1, listOf(MaxB.toInt()))
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doTest(MaxS..MaxS step 1, MaxS.toInt(), MaxS.toInt(), 1, listOf(MaxS.toInt()))
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doTest(MaxL..MaxL step 1, MaxL, MaxL, 1.toLong(), listOf(MaxL))
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doTest(MaxC..MaxC step 1, MaxC, MaxC, 1, listOf(MaxC))
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}
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@Test fun progressionMaxValueMinusTwoToMaxValue() {
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doTest((MaxI - 2)..MaxI step 2, MaxI - 2, MaxI, 2, listOf(MaxI - 2, MaxI))
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doTest((MaxB - 2).toByte()..MaxB step 2, (MaxB - 2).toInt(), MaxB.toInt(), 2, listOf((MaxB - 2).toInt(), MaxB.toInt()))
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doTest((MaxS - 2).toShort()..MaxS step 2, (MaxS - 2).toInt(), MaxS.toInt(), 2, listOf((MaxS - 2).toInt(), MaxS.toInt()))
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doTest((MaxL - 2).toLong()..MaxL step 2, (MaxL - 2).toLong(), MaxL, 2.toLong(), listOf((MaxL - 2).toLong(), MaxL))
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doTest((MaxC - 2)..MaxC step 2, (MaxC - 2), MaxC, 2, listOf((MaxC - 2), MaxC))
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}
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@Test fun progressionMaxValueToMinValue() {
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doTest(MaxI..MinI step 1, MaxI, MinI, 1, listOf())
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doTest(MaxB..MinB step 1, MaxB.toInt(), MinB.toInt(), 1, listOf())
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doTest(MaxS..MinS step 1, MaxS.toInt(), MinS.toInt(), 1, listOf())
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doTest(MaxL..MinL step 1, MaxL, MinL, 1.toLong(), listOf())
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doTest(MaxC..MinC step 1, MaxC, MinC, 1, listOf())
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}
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@Test fun progressionMinValueToMinValue() {
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doTest(MinI..MinI step 1, MinI, MinI, 1, listOf(MinI))
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doTest(MinB..MinB step 1, MinB.toInt(), MinB.toInt(), 1, listOf(MinB.toInt()))
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doTest(MinS..MinS step 1, MinS.toInt(), MinS.toInt(), 1, listOf(MinS.toInt()))
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doTest(MinL..MinL step 1, MinL, MinL, 1.toLong(), listOf(MinL))
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doTest(MinC..MinC step 1, MinC, MinC, 1, listOf(MinC))
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}
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@Test fun inexactToMaxValue() {
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doTest((MaxI - 5)..MaxI step 3, MaxI - 5, MaxI - 2, 3, listOf(MaxI - 5, MaxI - 2))
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doTest((MaxB - 5).toByte()..MaxB step 3, (MaxB - 5).toInt(), (MaxB - 2).toInt(), 3, listOf((MaxB - 5).toInt(), (MaxB - 2).toInt()))
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doTest((MaxS - 5).toShort()..MaxS step 3, (MaxS - 5).toInt(), (MaxS - 2).toInt(), 3, listOf((MaxS - 5).toInt(), (MaxS - 2).toInt()))
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doTest((MaxL - 5).toLong()..MaxL step 3, (MaxL - 5).toLong(), (MaxL - 2).toLong(), 3.toLong(), listOf((MaxL - 5).toLong(), (MaxL - 2).toLong()))
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doTest((MaxC - 5)..MaxC step 3, (MaxC - 5), (MaxC - 2), 3, listOf((MaxC - 5), (MaxC - 2)))
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}
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@Test fun overflowZeroToMinValue() {
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doTest(0..MinI step 3, 0, MinI, 3, listOf())
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doTest(0L..MinL step 3, 0, MinL, 3.toLong(), listOf())
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}
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@Test fun progressionDownToMinValue() {
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doTest((MinI + 2) downTo MinI step 1, MinI + 2, MinI, -1, listOf(MinI + 2, MinI + 1, MinI))
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doTest((MinB + 2).toByte() downTo MinB step 1, (MinB + 2).toInt(), MinB.toInt(), -1, listOf((MinB + 2).toInt(), (MinB + 1).toInt(), MinB.toInt()))
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doTest((MinS + 2).toShort() downTo MinS step 1, (MinS + 2).toInt(), MinS.toInt(), -1, listOf((MinS + 2).toInt(), (MinS + 1).toInt(), MinS.toInt()))
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doTest((MinL + 2).toLong() downTo MinL step 1, (MinL + 2).toLong(), MinL, -1.toLong(), listOf((MinL + 2).toLong(), (MinL + 1).toLong(), MinL))
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doTest((MinC + 2) downTo MinC step 1, (MinC + 2), MinC, -1, listOf((MinC + 2), (MinC + 1), MinC))
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}
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@Test fun inexactDownToMinValue() {
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doTest((MinI + 5) downTo MinI step 3, MinI + 5, MinI + 2, -3, listOf(MinI + 5, MinI + 2))
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doTest((MinB + 5).toByte() downTo MinB step 3, (MinB + 5).toInt(), (MinB + 2).toInt(), -3, listOf((MinB + 5).toInt(), (MinB + 2).toInt()))
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doTest((MinS + 5).toShort() downTo MinS step 3, (MinS + 5).toInt(), (MinS + 2).toInt(), -3, listOf((MinS + 5).toInt(), (MinS + 2).toInt()))
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doTest((MinL + 5).toLong() downTo MinL step 3, (MinL + 5).toLong(), (MinL + 2).toLong(), -3.toLong(), listOf((MinL + 5).toLong(), (MinL + 2).toLong()))
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doTest((MinC + 5) downTo MinC step 3, (MinC + 5), (MinC + 2), -3, listOf((MinC + 5), (MinC + 2)))
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}
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@Test fun overflowZeroDownToMaxValue() {
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doTest(0 downTo MaxI step 3, 0, MaxI, -3, listOf())
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doTest(0 downTo MaxL step 3, 0, MaxL, -3.toLong(), listOf())
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}
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}
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