libraries/stdlib/test/generated/alldistinct/AllDistinctCharArrayTest.kt

/*
 * Copyright 2010-2026 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.
 */


package test.generated.alldistinct

//
// NOTE: THIS FILE IS AUTO-GENERATED by the AllDistinctTestGenerator.kt
// See: https://github.com/JetBrains/kotlin/tree/master/libraries/stdlib
//

import kotlin.test.*

class AllDistinctCharArrayTest {

    @Test
    fun allDistinct() {
        assertTrue(charArrayOf().allDistinct())
        assertTrue(charArrayOf('a').allDistinct())
        assertTrue(charArrayOf('a', 'b').allDistinct())
        assertFalse(charArrayOf('a', 'a').allDistinct())
        assertFalse(charArrayOf('b', 'b').allDistinct())
        assertFalse(charArrayOf('a', 'b', 'a').allDistinct())
        assertFalse(charArrayOf('b', 'a', 'b').allDistinct())
    }

    @Test
    fun allDistinctBy() {
        assertTrue(charArrayOf().allDistinctBy { it.uppercaseChar() })
        assertTrue(charArrayOf('a').allDistinctBy { it.uppercaseChar() })
        assertTrue(charArrayOf('a').allDistinctBy { error("should not be called") })
        assertTrue(charArrayOf('a', 'B').allDistinctBy { it.uppercaseChar() })
        assertFalse(charArrayOf('a', 'A', 'a').allDistinctBy { it.uppercaseChar() })
        assertFalse(charArrayOf('a', 'b').allDistinctBy { 0 })
        assertFalse(charArrayOf('a', 'b').allDistinctBy { null })
    }

    @Test
    fun allDistinctValueDomainBounds() {
        assertTrue(CharArray(65536) { it.toChar() }.allDistinct())
        assertFalse(CharArray(65536) { (it / 2).toChar() }.allDistinct())
        assertFalse(CharArray(65537) { it.toChar() }.allDistinct())
    }
}