How to use CharSequence.forAll method of io.kotest.inspectors.Inspectors class

Best Kotest code snippet using io.kotest.inspectors.Inspectors.CharSequence.forAll

JavaClassUtilsTests.kt

Source:JavaClassUtilsTests.kt Github

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1/*2 * Copyright (c) 2022. The Meowool Organization Open Source Project3 *4 * Licensed under the Apache License, Version 2.0 (the "License");5 * you may not use this file except in compliance with the License.6 * You may obtain a copy of the License at7 *8 * http://www.apache.org/licenses/LICENSE-2.09 *10 * Unless required by applicable law or agreed to in writing, software11 * distributed under the License is distributed on an "AS IS" BASIS,12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.13 * See the License for the specific language governing permissions and14 * limitations under the License.15 *16 * In addition, if you modified the project, you must include the Meowool17 * organization URL in your code file: https://github.com/meowool18 *19 * 如果您修改了此项目，则必须确保源文件中包含 Meowool 组织 URL: https://github.com/meowool20 */21package com.meowool.cloak22import io.kotest.assertions.withClue23import io.kotest.inspectors.forAll24import io.kotest.matchers.booleans.shouldBeFalse25import io.kotest.matchers.booleans.shouldBeTrue26import io.kotest.matchers.collections.shouldContainExactlyInAnyOrder27import org.junit.jupiter.api.Test28import java.util.AbstractList29import java.util.AbstractMap30/**31 * Test for 'com/meowool/cloak/JavaClassUtilsTests.kt'.32 *33 * @author 凛 (RinOrz)34 */35class JavaClassUtilsTests {36 private val primitiveTypes = arrayOfPrimitives()37 @Test fun `class is object`() {38 fun Class<*>.shouldBeObject() = withClue("Expected ${this.name} is an object class") {39 this.isObject.shouldBeTrue()40 }41 fun Class<*>.shouldNotBeObject() = withClue("Expected ${this.name} is not an object class") {42 this.isObject.shouldBeFalse()43 }44 Int::class.javaObjectType.shouldBeObject()45 Int::class.javaPrimitiveType!!.shouldNotBeObject()46 Integer::class.java.shouldBeObject()47 Integer.TYPE.shouldNotBeObject()48 Array<Int>::class.java.shouldBeObject()49 IntArray::class.java.shouldNotBeObject()50 Byte::class.javaObjectType.shouldBeObject()51 Byte::class.javaPrimitiveType!!.shouldNotBeObject()52 java.lang.Byte::class.java.shouldBeObject()53 java.lang.Byte.TYPE.shouldNotBeObject()54 Array<Byte>::class.java.shouldBeObject()55 ByteArray::class.java.shouldNotBeObject()56 Short::class.javaObjectType.shouldBeObject()57 Short::class.javaPrimitiveType!!.shouldNotBeObject()58 java.lang.Short::class.java.shouldBeObject()59 java.lang.Short.TYPE.shouldNotBeObject()60 Array<Short>::class.java.shouldBeObject()61 ShortArray::class.java.shouldNotBeObject()62 Long::class.javaObjectType.shouldBeObject()63 Long::class.javaPrimitiveType!!.shouldNotBeObject()64 java.lang.Long::class.java.shouldBeObject()65 java.lang.Long.TYPE.shouldNotBeObject()66 Array<Long>::class.java.shouldBeObject()67 LongArray::class.java.shouldNotBeObject()68 Float::class.javaObjectType.shouldBeObject()69 Float::class.javaPrimitiveType!!.shouldNotBeObject()70 java.lang.Float::class.java.shouldBeObject()71 java.lang.Float.TYPE.shouldNotBeObject()72 Array<Float>::class.java.shouldBeObject()73 FloatArray::class.java.shouldNotBeObject()74 Double::class.javaObjectType.shouldBeObject()75 Double::class.javaPrimitiveType!!.shouldNotBeObject()76 java.lang.Double::class.java.shouldBeObject()77 java.lang.Double.TYPE.shouldNotBeObject()78 Array<Double>::class.java.shouldBeObject()79 DoubleArray::class.java.shouldNotBeObject()80 Boolean::class.javaObjectType.shouldBeObject()81 Boolean::class.javaPrimitiveType!!.shouldNotBeObject()82 java.lang.Boolean::class.java.shouldBeObject()83 java.lang.Boolean.TYPE.shouldNotBeObject()84 Array<Boolean>::class.java.shouldBeObject()85 BooleanArray::class.java.shouldNotBeObject()86 Char::class.javaObjectType.shouldBeObject()87 Char::class.javaPrimitiveType!!.shouldNotBeObject()88 Character::class.java.shouldBeObject()89 Character.TYPE.shouldNotBeObject()90 Array<Char>::class.java.shouldBeObject()91 CharArray::class.java.shouldNotBeObject()92 Void::class.javaObjectType.shouldBeObject()93 Void.TYPE.shouldNotBeObject()94 Array<Void>::class.java.shouldBeObject()95 }96 @Test fun `class is primitive wrapper`() {97 fun Class<*>.shouldBePrimitiveWrapper() = withClue("Expected ${this.name} is a primitive wrapper class") {98 this.isPrimitiveWrapper.shouldBeTrue()99 }100 fun Class<*>.shouldNotBePrimitiveWrapper() = withClue("Expected ${this.name} is not a primitive wrapper class") {101 this.isPrimitiveWrapper.shouldBeFalse()102 }103 Int::class.javaObjectType.shouldBePrimitiveWrapper()104 Int::class.javaPrimitiveType!!.shouldNotBePrimitiveWrapper()105 Integer::class.java.shouldBePrimitiveWrapper()106 Integer.TYPE.shouldNotBePrimitiveWrapper()107 Array<Int>::class.java.shouldBePrimitiveWrapper()108 IntArray::class.java.shouldNotBePrimitiveWrapper()109 Byte::class.javaObjectType.shouldBePrimitiveWrapper()110 Byte::class.javaPrimitiveType!!.shouldNotBePrimitiveWrapper()111 java.lang.Byte::class.java.shouldBePrimitiveWrapper()112 java.lang.Byte.TYPE.shouldNotBePrimitiveWrapper()113 Array<Byte>::class.java.shouldBePrimitiveWrapper()114 ByteArray::class.java.shouldNotBePrimitiveWrapper()115 Short::class.javaObjectType.shouldBePrimitiveWrapper()116 Short::class.javaPrimitiveType!!.shouldNotBePrimitiveWrapper()117 java.lang.Short::class.java.shouldBePrimitiveWrapper()118 java.lang.Short.TYPE.shouldNotBePrimitiveWrapper()119 Array<Short>::class.java.shouldBePrimitiveWrapper()120 ShortArray::class.java.shouldNotBePrimitiveWrapper()121 Long::class.javaObjectType.shouldBePrimitiveWrapper()122 Long::class.javaPrimitiveType!!.shouldNotBePrimitiveWrapper()123 java.lang.Long::class.java.shouldBePrimitiveWrapper()124 java.lang.Long.TYPE.shouldNotBePrimitiveWrapper()125 Array<Long>::class.java.shouldBePrimitiveWrapper()126 LongArray::class.java.shouldNotBePrimitiveWrapper()127 Float::class.javaObjectType.shouldBePrimitiveWrapper()128 Float::class.javaPrimitiveType!!.shouldNotBePrimitiveWrapper()129 java.lang.Float::class.java.shouldBePrimitiveWrapper()130 java.lang.Float.TYPE.shouldNotBePrimitiveWrapper()131 Array<Float>::class.java.shouldBePrimitiveWrapper()132 FloatArray::class.java.shouldNotBePrimitiveWrapper()133 Double::class.javaObjectType.shouldBePrimitiveWrapper()134 Double::class.javaPrimitiveType!!.shouldNotBePrimitiveWrapper()135 java.lang.Double::class.java.shouldBePrimitiveWrapper()136 java.lang.Double.TYPE.shouldNotBePrimitiveWrapper()137 Array<Double>::class.java.shouldBePrimitiveWrapper()138 DoubleArray::class.java.shouldNotBePrimitiveWrapper()139 Boolean::class.javaObjectType.shouldBePrimitiveWrapper()140 Boolean::class.javaPrimitiveType!!.shouldNotBePrimitiveWrapper()141 java.lang.Boolean::class.java.shouldBePrimitiveWrapper()142 java.lang.Boolean.TYPE.shouldNotBePrimitiveWrapper()143 Array<Boolean>::class.java.shouldBePrimitiveWrapper()144 BooleanArray::class.java.shouldNotBePrimitiveWrapper()145 Char::class.javaObjectType.shouldBePrimitiveWrapper()146 Char::class.javaPrimitiveType!!.shouldNotBePrimitiveWrapper()147 Character::class.java.shouldBePrimitiveWrapper()148 Character.TYPE.shouldNotBePrimitiveWrapper()149 Array<Char>::class.java.shouldBePrimitiveWrapper()150 CharArray::class.java.shouldNotBePrimitiveWrapper()151 Void::class.javaObjectType.shouldBePrimitiveWrapper()152 Void.TYPE.shouldNotBePrimitiveWrapper()153 Array<Void>::class.java.shouldBePrimitiveWrapper()154 Any::class.java.shouldNotBePrimitiveWrapper()155 List::class.java.shouldNotBePrimitiveWrapper()156 String::class.java.shouldNotBePrimitiveWrapper()157 }158 @Test fun `class is primitive or primitive wrapper`() {159 fun Class<*>.shouldBePrimitiveOrWrapper() =160 withClue("Expected ${this.name} is a primitive or primitive wrapper class") {161 this.isPrimitiveOrWrapper.shouldBeTrue()162 }163 fun Class<*>.shouldNotBePrimitiveOrWrapper() =164 withClue("Expected ${this.name} is not a primitive or primitive wrapper class") {165 this.isPrimitiveOrWrapper.shouldBeFalse()166 }167 Int::class.javaObjectType.shouldBePrimitiveOrWrapper()168 Int::class.javaPrimitiveType!!.shouldBePrimitiveOrWrapper()169 Integer::class.java.shouldBePrimitiveOrWrapper()170 Integer.TYPE.shouldBePrimitiveOrWrapper()171 Array<Int>::class.java.shouldBePrimitiveOrWrapper()172 IntArray::class.java.shouldBePrimitiveOrWrapper()173 Byte::class.javaObjectType.shouldBePrimitiveOrWrapper()174 Byte::class.javaPrimitiveType!!.shouldBePrimitiveOrWrapper()175 java.lang.Byte::class.java.shouldBePrimitiveOrWrapper()176 java.lang.Byte.TYPE.shouldBePrimitiveOrWrapper()177 Array<Byte>::class.java.shouldBePrimitiveOrWrapper()178 ByteArray::class.java.shouldBePrimitiveOrWrapper()179 Short::class.javaObjectType.shouldBePrimitiveOrWrapper()180 Short::class.javaPrimitiveType!!.shouldBePrimitiveOrWrapper()181 java.lang.Short::class.java.shouldBePrimitiveOrWrapper()182 java.lang.Short.TYPE.shouldBePrimitiveOrWrapper()183 Array<Short>::class.java.shouldBePrimitiveOrWrapper()184 ShortArray::class.java.shouldBePrimitiveOrWrapper()185 Long::class.javaObjectType.shouldBePrimitiveOrWrapper()186 Long::class.javaPrimitiveType!!.shouldBePrimitiveOrWrapper()187 java.lang.Long::class.java.shouldBePrimitiveOrWrapper()188 java.lang.Long.TYPE.shouldBePrimitiveOrWrapper()189 Array<Long>::class.java.shouldBePrimitiveOrWrapper()190 LongArray::class.java.shouldBePrimitiveOrWrapper()191 Float::class.javaObjectType.shouldBePrimitiveOrWrapper()192 Float::class.javaPrimitiveType!!.shouldBePrimitiveOrWrapper()193 java.lang.Float::class.java.shouldBePrimitiveOrWrapper()194 java.lang.Float.TYPE.shouldBePrimitiveOrWrapper()195 Array<Float>::class.java.shouldBePrimitiveOrWrapper()196 FloatArray::class.java.shouldBePrimitiveOrWrapper()197 Double::class.javaObjectType.shouldBePrimitiveOrWrapper()198 Double::class.javaPrimitiveType!!.shouldBePrimitiveOrWrapper()199 java.lang.Double::class.java.shouldBePrimitiveOrWrapper()200 java.lang.Double.TYPE.shouldBePrimitiveOrWrapper()201 Array<Double>::class.java.shouldBePrimitiveOrWrapper()202 DoubleArray::class.java.shouldBePrimitiveOrWrapper()203 Boolean::class.javaObjectType.shouldBePrimitiveOrWrapper()204 Boolean::class.javaPrimitiveType!!.shouldBePrimitiveOrWrapper()205 java.lang.Boolean::class.java.shouldBePrimitiveOrWrapper()206 java.lang.Boolean.TYPE.shouldBePrimitiveOrWrapper()207 Array<Boolean>::class.java.shouldBePrimitiveOrWrapper()208 BooleanArray::class.java.shouldBePrimitiveOrWrapper()209 Char::class.javaObjectType.shouldBePrimitiveOrWrapper()210 Char::class.javaPrimitiveType!!.shouldBePrimitiveOrWrapper()211 Character::class.java.shouldBePrimitiveOrWrapper()212 Character.TYPE.shouldBePrimitiveOrWrapper()213 Array<Char>::class.java.shouldBePrimitiveOrWrapper()214 CharArray::class.java.shouldBePrimitiveOrWrapper()215 Void::class.javaObjectType.shouldBePrimitiveOrWrapper()216 Void.TYPE.shouldBePrimitiveOrWrapper()217 Array<Void>::class.java.shouldBePrimitiveOrWrapper()218 Any::class.java.shouldNotBePrimitiveOrWrapper()219 List::class.java.shouldNotBePrimitiveOrWrapper()220 String::class.java.shouldNotBePrimitiveOrWrapper()221 }222 @Test fun `class is primitive number`() {223 fun Class<*>.shouldBePrimitiveNumber() = withClue("Expected ${this.name} is a primitive number class") {224 this.isPrimitiveNumber.shouldBeTrue()225 this.isNumber.shouldBeTrue()226 }227 fun Class<*>.shouldNotBePrimitiveNumber() = withClue("Expected ${this.name} is not a primitive number class") {228 this.isPrimitiveNumber.shouldBeFalse()229 }230 Int::class.java.shouldBePrimitiveNumber()231 Int::class.javaPrimitiveType!!.shouldBePrimitiveNumber()232 Int::class.javaObjectType.shouldNotBePrimitiveNumber()233 Integer::class.java.shouldNotBePrimitiveNumber()234 Integer.TYPE.shouldBePrimitiveNumber()235 Array<Int>::class.java.shouldNotBePrimitiveNumber()236 IntArray::class.java.shouldNotBePrimitiveNumber()237 Byte::class.java.shouldBePrimitiveNumber()238 Byte::class.javaPrimitiveType!!.shouldBePrimitiveNumber()239 Byte::class.javaObjectType.shouldNotBePrimitiveNumber()240 java.lang.Byte::class.java.shouldNotBePrimitiveNumber()241 java.lang.Byte.TYPE.shouldBePrimitiveNumber()242 Array<Byte>::class.java.shouldNotBePrimitiveNumber()243 ByteArray::class.java.shouldNotBePrimitiveNumber()244 Short::class.java.shouldBePrimitiveNumber()245 Short::class.javaPrimitiveType!!.shouldBePrimitiveNumber()246 Short::class.javaObjectType.shouldNotBePrimitiveNumber()247 java.lang.Short::class.java.shouldNotBePrimitiveNumber()248 java.lang.Short.TYPE.shouldBePrimitiveNumber()249 Array<Short>::class.java.shouldNotBePrimitiveNumber()250 ShortArray::class.java.shouldNotBePrimitiveNumber()251 Long::class.java.shouldBePrimitiveNumber()252 Long::class.javaPrimitiveType!!.shouldBePrimitiveNumber()253 Long::class.javaObjectType.shouldNotBePrimitiveNumber()254 java.lang.Long::class.java.shouldNotBePrimitiveNumber()255 java.lang.Long.TYPE.shouldBePrimitiveNumber()256 Array<Long>::class.java.shouldNotBePrimitiveNumber()257 LongArray::class.java.shouldNotBePrimitiveNumber()258 Float::class.java.shouldBePrimitiveNumber()259 Float::class.javaPrimitiveType!!.shouldBePrimitiveNumber()260 Float::class.javaObjectType.shouldNotBePrimitiveNumber()261 java.lang.Float::class.java.shouldNotBePrimitiveNumber()262 java.lang.Float.TYPE.shouldBePrimitiveNumber()263 Array<Float>::class.java.shouldNotBePrimitiveNumber()264 FloatArray::class.java.shouldNotBePrimitiveNumber()265 Double::class.java.shouldBePrimitiveNumber()266 Double::class.javaPrimitiveType!!.shouldBePrimitiveNumber()267 Double::class.javaObjectType.shouldNotBePrimitiveNumber()268 java.lang.Double::class.java.shouldNotBePrimitiveNumber()269 java.lang.Double.TYPE.shouldBePrimitiveNumber()270 Array<Double>::class.java.shouldNotBePrimitiveNumber()271 DoubleArray::class.java.shouldNotBePrimitiveNumber()272 Boolean::class.java.shouldNotBePrimitiveNumber()273 Boolean::class.javaPrimitiveType!!.shouldNotBePrimitiveNumber()274 Boolean::class.javaObjectType.shouldNotBePrimitiveNumber()275 java.lang.Boolean::class.java.shouldNotBePrimitiveNumber()276 java.lang.Boolean.TYPE.shouldNotBePrimitiveNumber()277 Array<Boolean>::class.java.shouldNotBePrimitiveNumber()278 BooleanArray::class.java.shouldNotBePrimitiveNumber()279 Char::class.java.shouldNotBePrimitiveNumber()280 Char::class.javaPrimitiveType!!.shouldNotBePrimitiveNumber()281 Char::class.javaObjectType.shouldNotBePrimitiveNumber()282 Character::class.java.shouldNotBePrimitiveNumber()283 Character.TYPE.shouldNotBePrimitiveNumber()284 Array<Char>::class.java.shouldNotBePrimitiveNumber()285 CharArray::class.java.shouldNotBePrimitiveNumber()286 Void::class.javaObjectType.shouldNotBePrimitiveNumber()287 Void.TYPE.shouldNotBePrimitiveNumber()288 Array<Void>::class.java.shouldNotBePrimitiveNumber()289 Any::class.java.shouldNotBePrimitiveNumber()290 List::class.java.shouldNotBePrimitiveNumber()291 String::class.java.shouldNotBePrimitiveNumber()292 }293 @Test fun `class is boxed number`() {294 fun Class<*>.shouldBeBoxedNumber() = withClue("Expected ${this.name} is a boxed number class") {295 this.isBoxedNumber.shouldBeTrue()296 this.isNumber.shouldBeTrue()297 }298 fun Class<*>.shouldNotBeBoxedNumber() = withClue("Expected ${this.name} is not a boxed number class") {299 this.isBoxedNumber.shouldBeFalse()300 }301 Int::class.java.shouldNotBeBoxedNumber()302 Int::class.javaPrimitiveType!!.shouldNotBeBoxedNumber()303 Int::class.javaObjectType.shouldBeBoxedNumber()304 Integer::class.java.shouldBeBoxedNumber()305 Integer.TYPE.shouldNotBeBoxedNumber()306 Array<Int>::class.java.shouldNotBeBoxedNumber()307 IntArray::class.java.shouldNotBeBoxedNumber()308 Byte::class.java.shouldNotBeBoxedNumber()309 Byte::class.javaPrimitiveType!!.shouldNotBeBoxedNumber()310 Byte::class.javaObjectType.shouldBeBoxedNumber()311 java.lang.Byte::class.java.shouldBeBoxedNumber()312 java.lang.Byte.TYPE.shouldNotBeBoxedNumber()313 Array<Byte>::class.java.shouldNotBeBoxedNumber()314 ByteArray::class.java.shouldNotBeBoxedNumber()315 Short::class.java.shouldNotBeBoxedNumber()316 Short::class.javaPrimitiveType!!.shouldNotBeBoxedNumber()317 Short::class.javaObjectType.shouldBeBoxedNumber()318 java.lang.Short::class.java.shouldBeBoxedNumber()319 java.lang.Short.TYPE.shouldNotBeBoxedNumber()320 Array<Short>::class.java.shouldNotBeBoxedNumber()321 ShortArray::class.java.shouldNotBeBoxedNumber()322 Long::class.java.shouldNotBeBoxedNumber()323 Long::class.javaPrimitiveType!!.shouldNotBeBoxedNumber()324 Long::class.javaObjectType.shouldBeBoxedNumber()325 java.lang.Long::class.java.shouldBeBoxedNumber()326 java.lang.Long.TYPE.shouldNotBeBoxedNumber()327 Array<Long>::class.java.shouldNotBeBoxedNumber()328 LongArray::class.java.shouldNotBeBoxedNumber()329 Float::class.java.shouldNotBeBoxedNumber()330 Float::class.javaPrimitiveType!!.shouldNotBeBoxedNumber()331 Float::class.javaObjectType.shouldBeBoxedNumber()332 java.lang.Float::class.java.shouldBeBoxedNumber()333 java.lang.Float.TYPE.shouldNotBeBoxedNumber()334 Array<Float>::class.java.shouldNotBeBoxedNumber()335 FloatArray::class.java.shouldNotBeBoxedNumber()336 Double::class.java.shouldNotBeBoxedNumber()337 Double::class.javaPrimitiveType!!.shouldNotBeBoxedNumber()338 Double::class.javaObjectType.shouldBeBoxedNumber()339 java.lang.Double::class.java.shouldBeBoxedNumber()340 java.lang.Double.TYPE.shouldNotBeBoxedNumber()341 Array<Double>::class.java.shouldNotBeBoxedNumber()342 DoubleArray::class.java.shouldNotBeBoxedNumber()343 Boolean::class.java.shouldNotBeBoxedNumber()344 Boolean::class.javaPrimitiveType!!.shouldNotBeBoxedNumber()345 Boolean::class.javaObjectType.shouldNotBeBoxedNumber()346 java.lang.Boolean::class.java.shouldNotBeBoxedNumber()347 java.lang.Boolean.TYPE.shouldNotBeBoxedNumber()348 Array<Boolean>::class.java.shouldNotBeBoxedNumber()349 BooleanArray::class.java.shouldNotBeBoxedNumber()350 Char::class.java.shouldNotBeBoxedNumber()351 Char::class.javaPrimitiveType!!.shouldNotBeBoxedNumber()352 Char::class.javaObjectType.shouldNotBeBoxedNumber()353 Character::class.java.shouldNotBeBoxedNumber()354 Character.TYPE.shouldNotBeBoxedNumber()355 Array<Char>::class.java.shouldNotBeBoxedNumber()356 CharArray::class.java.shouldNotBeBoxedNumber()357 Void::class.javaObjectType.shouldNotBeBoxedNumber()358 Void.TYPE.shouldNotBeBoxedNumber()359 Array<Void>::class.java.shouldNotBeBoxedNumber()360 Any::class.java.shouldNotBeBoxedNumber()361 List::class.java.shouldNotBeBoxedNumber()362 String::class.java.shouldNotBeBoxedNumber()363 }364 @Test fun `whether instance can cast to specified class`() {365 infix fun Any?.shouldCanCastTo(base: Class<*>) = withClue("Expected `$this` can cast to ${base.name} class.") {366 (this canCastTo base).shouldBeTrue()367 }368 infix fun Any?.shouldCannotCastTo(base: Class<*>) =369 withClue("Expected `$this` can not cast to ${base.name} class.") {370 (this canCastTo base).shouldBeFalse()371 }372 fun Number.test() {373 shouldCanCastTo(javaClass)374 shouldCanCastTo(javaClass.boxing())375 shouldCanCastTo(javaClass.unboxing())376 shouldCannotCastTo(Void.TYPE)377 shouldCannotCastTo(Void::class.java)378 if (javaClass.isPrimitive) primitiveTypes.forAll {379 if (it != javaClass) {380 shouldCanCastTo(it.unboxing())381 shouldCannotCastTo(it.boxing())382 }383 }384 }385 10.toByte().test()386 10.toShort().test()387 10.test()388 10L.test()389 10F.test()390 10.0.test()391 primitiveTypes.forAll {392 // `null` value can be any object393 null.shouldCanCastTo(it.boxing())394 // but `null` value never be primitive type395 null.shouldCannotCastTo(it.unboxing())396 }397 arrayListOf(1, 2, 3).apply {398 shouldCanCastTo(ArrayList::class.java)399 shouldCanCastTo(AbstractList::class.java)400 shouldCanCastTo(List::class.java)401 shouldCanCastTo(Any::class.java)402 }403 hashMapOf("a" to 1, "b" to 2).apply {404 shouldCanCastTo(AbstractMap::class.java)405 shouldCanCastTo(Map::class.java)406 shouldCanCastTo(Any::class.java)407 }408 StringBuilder::class.java.shouldCanCastTo(CharSequence::class.java)409 CharSequence::class.java.shouldCannotCastTo(StringBuilder::class.java)410 Appendable::class.java.shouldCanCastTo(Any::class.java)411 Any::class.java.shouldCannotCastTo(Appendable::class.java)412 Any::class.java.shouldCanCastTo(Any::class.java)413 Array<Int>::class.java.shouldCanCastTo(IntArray::class.java)414 FloatArray::class.java.shouldCanCastTo(Array<Float>::class.java)415 }416 @Test fun `class boxing and unboxing`() {417 arrayOfPrimitiveWrappers(true).map { it.boxing() } shouldContainExactlyInAnyOrder arrayOfPrimitiveWrappers(true).toList()418 arrayOfPrimitiveWrappers(true).map { it.unboxing() } shouldContainExactlyInAnyOrder arrayOfPrimitives(true).toList()419 arrayOfPrimitives(true).map { it.boxing() } shouldContainExactlyInAnyOrder arrayOfPrimitiveWrappers(true).toList()420 arrayOfPrimitives(true).map { it.unboxing() } shouldContainExactlyInAnyOrder arrayOfPrimitives(true).toList()421 }422}...

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Inspectors.kt

Source:Inspectors.kt Github

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1package io.kotest.inspectors2import io.kotest.assertions.failure3inline fun <K, V, C : Map<K, V>> C.forAllValues(fn: (V) -> Unit): C = apply { values.forAll(fn) }4inline fun <K, V, C : Map<K, V>> C.forAllKeys(fn: (K) -> Unit): C = apply { keys.forAll(fn) }5inline fun <K, V, C : Map<K, V>> C.forAll(fn: (Map.Entry<K, V>) -> Unit): C = apply {6 val results = runTests(this, fn)7 val passed = results.filterIsInstance<ElementPass<Map.Entry<K, V>>>()8 if (passed.size < this.size) {9 val msg = "${passed.size} elements passed but expected ${this.size}"10 buildAssertionError(msg, results)11 }12}13inline fun CharSequence.forAll(fn: (Char) -> Unit): CharSequence = apply { toList().forAll(fn) }14inline fun <T> Sequence<T>.forAll(fn: (T) -> Unit): Sequence<T> = apply { toList().forAll(fn) }15inline fun <T> Array<T>.forAll(fn: (T) -> Unit): Array<T> = apply { asList().forAll(fn) }16inline fun <T, C : Collection<T>> C.forAll(fn: (T) -> Unit): C = apply {17 val results = runTests(this, fn)18 val passed = results.filterIsInstance<ElementPass<T>>()19 if (passed.size < this.size) {20 val msg = "${passed.size} elements passed but expected ${this.size}"21 buildAssertionError(msg, results)22 }23}24inline fun <K, V, C : Map<K, V>> C.forOneValue(fn: (V) -> Unit): C = apply { values.forExactly(1, fn) }25inline fun <K, V, C : Map<K, V>> C.forOneKey(fn: (K) -> Unit): C = apply { keys.forExactly(1, fn) }26inline fun <K, V, C : Map<K, V>> C.forOne(fn: (Map.Entry<K, V>) -> Unit): C = apply { forExactly(1, fn) }27inline fun CharSequence.forOne(fn: (Char) -> Unit): CharSequence = apply { toList().forOne(fn) }28inline fun <T> Sequence<T>.forOne(fn: (T) -> Unit): Sequence<T> = apply { toList().forOne(fn) }29inline fun <T> Array<T>.forOne(fn: (T) -> Unit): Array<T> = apply { asList().forOne(fn) }30inline fun <T, C : Collection<T>> C.forOne(fn: (T) -> Unit): C = forExactly(1, fn)31inline fun <K, V, C : Map<K, V>> C.forValuesExactly(k: Int, fn: (V) -> Unit): C = apply { values.forExactly(k, fn) }32inline fun <K, V, C : Map<K, V>> C.forKeysExactly(k: Int, fn: (K) -> Unit): C = apply { keys.forExactly(k, fn) }33inline fun <K, V, C : Map<K, V>> C.forExactly(k: Int, fn: (Map.Entry<K, V>) -> Unit): C = apply {34 val results = runTests(this, fn)35 val passed = results.filterIsInstance<ElementPass<Map.Entry<K, V>>>()36 if (passed.size != k) {37 val msg = "${passed.size} elements passed but expected $k"38 buildAssertionError(msg, results)39 }40}41inline fun CharSequence.forExactly(k: Int, fn: (Char) -> Unit): CharSequence = apply { toList().forExactly(k, fn) }42inline fun <T> Sequence<T>.forExactly(k: Int, fn: (T) -> Unit): Sequence<T> = apply { toList().forExactly(k, fn) }43inline fun <T> Array<T>.forExactly(k: Int, fn: (T) -> Unit): Array<T> = apply { toList().forExactly(k, fn) }44inline fun <T, C : Collection<T>> C.forExactly(k: Int, fn: (T) -> Unit): C = apply {45 val results = runTests(this, fn)46 val passed = results.filterIsInstance<ElementPass<T>>()47 if (passed.size != k) {48 val msg = "${passed.size} elements passed but expected $k"49 buildAssertionError(msg, results)50 }51}52inline fun <K, V, C : Map<K, V>> C.forSomeValues(fn: (V) -> Unit): C = apply { values.forSome(fn) }53inline fun <K, V, C : Map<K, V>> C.forSomeKeys(fn: (K) -> Unit): C = apply { keys.forSome(fn) }54inline fun <K, V, C : Map<K, V>> C.forSome(fn: (Map.Entry<K, V>) -> Unit): C = apply {55 val results = runTests(this, fn)56 val passed = results.filterIsInstance<ElementPass<Map.Entry<K, V>>>()57 if (passed.isEmpty()) {58 buildAssertionError("No elements passed but expected at least one", results)59 } else if (passed.size == size) {60 buildAssertionError("All elements passed but expected < $size", results)61 }62}63inline fun CharSequence.forSome(fn: (Char) -> Unit): CharSequence = apply { toList().forSome(fn) }64inline fun <T> Sequence<T>.forSome(fn: (T) -> Unit): Sequence<T> = apply { toList().forSome(fn) }65inline fun <T> Array<T>.forSome(fn: (T) -> Unit): Array<T> = apply { toList().forSome(fn) }66inline fun <T, C : Collection<T>> C.forSome(fn: (T) -> Unit): C = apply {67 val results = runTests(this, fn)68 val passed = results.filterIsInstance<ElementPass<T>>()69 if (passed.isEmpty()) {70 buildAssertionError("No elements passed but expected at least one", results)71 } else if (passed.size == size) {72 buildAssertionError("All elements passed but expected < $size", results)73 }74}75inline fun <K, V, C : Map<K, V>> C.forAnyValue(fn: (V) -> Unit): C = apply { values.forAny(fn) }76inline fun <K, V, C : Map<K, V>> C.forAnyKey(fn: (K) -> Unit): C = apply { keys.forAny(fn) }77inline fun <K, V, C : Map<K, V>> C.forAny(fn: (Map.Entry<K, V>) -> Unit): C = apply { forAtLeastOne(fn) }78inline fun <T> Sequence<T>.forAny(fn: (T) -> Unit): Sequence<T> = apply { toList().forAny(fn) }79inline fun CharSequence.forAny(fn: (Char) -> Unit): CharSequence = apply { toList().forAny(fn) }80inline fun <T> Array<T>.forAny(fn: (T) -> Unit): Array<T> = apply { toList().forAny(fn) }81inline fun <T, C : Collection<T>> C.forAny(fn: (T) -> Unit): C = apply { forAtLeastOne(fn) }82inline fun <K, V, C : Map<K, V>> C.forAtLeastOneValue(fn: (V) -> Unit): C = apply { values.forAtLeastOne(fn) }83inline fun <K, V, C : Map<K, V>> C.forAtLeastOneKey(fn: (K) -> Unit): C = apply { keys.forAtLeastOne(fn) }84inline fun <K, V, C : Map<K, V>> C.forAtLeastOne(fn: (Map.Entry<K, V>) -> Unit): C = apply { forAtLeast(1, fn) }85inline fun CharSequence.forAtLeastOne(fn: (Char) -> Unit): CharSequence = apply { toList().forAtLeast(1, fn) }86inline fun <T> Sequence<T>.forAtLeastOne(fn: (T) -> Unit): Sequence<T> = apply { toList().forAtLeastOne(fn) }87inline fun <T> Array<T>.forAtLeastOne(fn: (T) -> Unit): Array<T> = apply { toList().forAtLeastOne(fn) }88inline fun <T, C : Collection<T>> C.forAtLeastOne(f: (T) -> Unit) = forAtLeast(1, f)89inline fun <K, V, C : Map<K, V>> C.forValuesAtLeast(k: Int, fn: (V) -> Unit): C = apply { values.forAtLeast(k, fn) }90inline fun <K, V, C : Map<K, V>> C.forKeysAtLeast(k: Int, fn: (K) -> Unit): C = apply { keys.forAtLeast(k, fn) }91inline fun <K, V, C : Map<K, V>> C.forAtLeast(k: Int, fn: (Map.Entry<K, V>) -> Unit): C = apply {92 val results = runTests(this, fn)93 val passed = results.filterIsInstance<ElementPass<Map.Entry<K, V>>>()94 if (passed.size < k) {95 val msg = "${passed.size} elements passed but expected at least $k"96 buildAssertionError(msg, results)97 }98}99inline fun CharSequence.forAtLeast(k: Int, fn: (Char) -> Unit): CharSequence = apply { toList().forAtLeast(k, fn) }100inline fun <T> Sequence<T>.forAtLeast(k: Int, fn: (T) -> Unit): Sequence<T> = apply { toList().forAtLeast(k, fn) }101inline fun <T> Array<T>.forAtLeast(k: Int, fn: (T) -> Unit): Array<T> = apply { toList().forAtLeast(k, fn) }102inline fun <T, C : Collection<T>> C.forAtLeast(k: Int, fn: (T) -> Unit): C = apply {103 val results = runTests(this, fn)104 val passed = results.filterIsInstance<ElementPass<T>>()105 if (passed.size < k) {106 val msg = "${passed.size} elements passed but expected at least $k"107 buildAssertionError(msg, results)108 }109}110inline fun <K, V, C : Map<K, V>> C.forAtMostOneValue(fn: (V) -> Unit): C = apply { values.forAtMostOne(fn) }111inline fun <K, V, C : Map<K, V>> C.forAtMostOneKey(fn: (K) -> Unit): C = apply { keys.forAtMostOne(fn) }112inline fun <K, V, C : Map<K, V>> C.forAtMostOne(fn: (Map.Entry<K, V>) -> Unit): C = apply { forAtMost(1, fn) }113inline fun CharSequence.forAtMostOne(fn: (Char) -> Unit): CharSequence = apply { toList().forAtMost(1, fn) }114inline fun <T> Sequence<T>.forAtMostOne(fn: (T) -> Unit): Sequence<T> = apply { toList().forAtMostOne(fn) }115inline fun <T> Array<T>.forAtMostOne(fn: (T) -> Unit): Array<T> = apply { toList().forAtMostOne(fn) }116inline fun <T, C : Collection<T>> C.forAtMostOne(fn: (T) -> Unit) = forAtMost(1, fn)117inline fun <K, V, C : Map<K, V>> C.forValuesAtMost(k: Int, fn: (V) -> Unit): C = apply { values.forAtMost(k, fn) }118inline fun <K, V, C : Map<K, V>> C.forKeysAtMost(k: Int, fn: (K) -> Unit): C = apply { keys.forAtMost(k, fn) }119inline fun <K, V, C : Map<K, V>> C.forAtMost(k: Int, fn: (Map.Entry<K, V>) -> Unit): C = apply {120 val results = runTests(this, fn)121 val passed = results.filterIsInstance<ElementPass<Map.Entry<K, V>>>()122 if (passed.size > k) {123 val msg = "${passed.size} elements passed but expected at most $k"124 buildAssertionError(msg, results)125 }126}127inline fun CharSequence.forAtMost(k: Int, fn: (Char) -> Unit): CharSequence = apply { toList().forAtMost(k, fn) }128inline fun <T> Sequence<T>.forAtMost(k: Int, fn: (T) -> Unit): Sequence<T> = apply { toList().forAtMost(k, fn) }129inline fun <T> Array<T>.forAtMost(k: Int, fn: (T) -> Unit): Array<T> = apply { toList().forAtMost(k, fn) }130inline fun <T, C : Collection<T>> C.forAtMost(k: Int, fn: (T) -> Unit): C = apply {131 val results = runTests(this, fn)132 val passed = results.filterIsInstance<ElementPass<T>>()133 if (passed.size > k) {134 val msg = "${passed.size} elements passed but expected at most $k"135 buildAssertionError(msg, results)136 }137}138inline fun <K, V, C : Map<K, V>> C.forNoneValue(fn: (V) -> Unit): C = apply { values.forNone(fn) }139inline fun <K, V, C : Map<K, V>> C.forNoneKey(fn: (K) -> Unit): C = apply { keys.forNone(fn) }140inline fun <K, V, C : Map<K, V>> C.forNone(fn: (Map.Entry<K, V>) -> Unit): C = apply {141 val results = runTests(this, fn)142 val passed = results.filterIsInstance<ElementPass<Map.Entry<K, V>>>()143 if (passed.isNotEmpty()) {144 val msg = "${passed.size} elements passed but expected ${0}"145 buildAssertionError(msg, results)146 }147}148inline fun CharSequence.forNone(fn: (Char) -> Unit): CharSequence = apply { toList().forNone(fn) }149inline fun <T> Sequence<T>.forNone(fn: (T) -> Unit): Sequence<T> = apply { toList().forNone(fn) }150inline fun <T> Array<T>.forNone(fn: (T) -> Unit): Array<T> = apply { toList().forNone(fn) }151inline fun <T, C : Collection<T>> C.forNone(f: (T) -> Unit): C = apply {152 val results = runTests(this, f)153 val passed = results.filterIsInstance<ElementPass<T>>()154 if (passed.isNotEmpty()) {155 val msg = "${passed.size} elements passed but expected ${0}"156 buildAssertionError(msg, results)157 }158}159/**160 * Checks that [Sequence] consists of a single element, which passes the given assertion block [fn]161 * and returns the element162 * */163fun <T> Sequence<T>.forSingle(fn: (T) -> Unit): T = toList().forSingle(fn)164/**165 * Checks that [Array] consists of a single element, which passes the given assertion block [fn]166 * and returns the element167 * */168fun <T> Array<T>.forSingle(fn: (T) -> Unit): T = toList().forSingle(fn)169/**170 * Checks that [Collection] consists of a single element, which passes the given assertion block [fn]171 * and returns the element172 * */173fun <T, C : Collection<T>> C.forSingle(f: (T) -> Unit): T = run {174 val results = runTests(this, f)175 when (results.size) {176 1 -> when (results[0]) {177 is ElementPass<T> -> results[0].value()178 else -> buildAssertionError("Expected a single element to pass, but it failed.", results)179 }180 0 -> throw failure("Expected a single element in the collection, but it was empty.")181 else -> buildAssertionError("Expected a single element in the collection, but found ${results.size}.", results)182 }183}...

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JavaMemberUtilsTests.kt

Source:JavaMemberUtilsTests.kt Github

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1/*2 * Copyright (c) 2022. The Meowool Organization Open Source Project3 *4 * Licensed under the Apache License, Version 2.0 (the "License");5 * you may not use this file except in compliance with the License.6 * You may obtain a copy of the License at7 *8 * http://www.apache.org/licenses/LICENSE-2.09 *10 * Unless required by applicable law or agreed to in writing, software11 * distributed under the License is distributed on an "AS IS" BASIS,12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.13 * See the License for the specific language governing permissions and14 * limitations under the License.15 *16 * In addition, if you modified the project, you must include the Meowool17 * organization URL in your code file: https://github.com/meowool18 *19 * 如果您修改了此项目，则必须确保源文件中包含 Meowool 组织 URL: https://github.com/meowool20 */21@file:Suppress("PLATFORM_CLASS_MAPPED_TO_KOTLIN")22package com.meowool.cloak23import com.meowool.cloak.case.Animal24import com.meowool.cloak.case.Cat25import com.meowool.cloak.case.Dog26import com.meowool.cloak.case.FieldsContainer27import com.meowool.cloak.case.FieldsParent28import com.meowool.cloak.case.Grass29import com.meowool.cloak.case.Organism30import com.meowool.cloak.case.Rabbit31import com.meowool.cloak.case.Zoo32import io.kotest.inspectors.forAll33import io.kotest.matchers.collections.shouldBeIn34import io.kotest.matchers.collections.shouldNotBeIn35import io.kotest.matchers.nulls.shouldBeNull36import io.kotest.matchers.nulls.shouldNotBeNull37import io.kotest.matchers.shouldBe38import io.kotest.matchers.shouldNotBe39import org.junit.jupiter.api.Test40/**41 * @author 凛 (RinOrz)42 */43class JavaMemberUtilsTests {44 @Test fun `match the best constructor`() {45 Zoo::class.java.matchBestConstructor().shouldBeNull()46 // case of primitive or wrapper of the same type: `true` or `java.lang.Boolean.valueOf(true)`47 // result: `constructor(open: Boolean)`48 arrayOf(49 Zoo::class.java.matchBestConstructor(Boolean::class.javaPrimitiveType),50 Zoo::class.java.matchBestConstructor(Boolean::class.javaObjectType),51 ).forEach {52 it shouldBe Zoo.BOOLEAN53 it shouldNotBe Zoo.INT54 }55 // case of passed some primitive numbers: `10.0`, `10f`, etc...56 // result: `constructor(id: Int)`57 arrayOf(58 Byte::class.java,59 Short::class.java,60 Int::class.java,61 Long::class.java,62 Float::class.java,63 Double::class.java,64 ).map { Zoo::class.java.matchBestConstructor(it) }.forAll {65 it shouldBe Zoo.INT66 it shouldNotBeIn arrayOf(67 Zoo.BOOLEAN,68 Zoo.INT_OBJ_VARARG_ANIMAL,69 )70 }71 // case of when there are primitive and wrapper of the same kind and one of them has varargs:72 // no vararg passed: `Integer.valueOf(10)`73 // result: `constructor(id: Int? /* Integer */, vararg animals: Animal)`74 Zoo::class.java.matchBestConstructor(Int::class.javaObjectType) shouldBeIn arrayOf(75 Zoo.INT_OBJ_VARARG_ANIMAL,76 Zoo.INT_OBJ_VARARG_Int,77 )78 // case of when there are primitive and wrapper of the same kind and one of them has varargs:79 // no vararg passed: `Integer.valueOf(10)`80 // result: `constructor(id: Int? /* Integer */, vararg animals: Animal)`81 Zoo::class.java.matchBestConstructor(CharSequence::class.javaObjectType) shouldNotBeIn arrayOf(82 Zoo.STRING,83 Zoo.STRING_VARARG_ANIMAL,84 Zoo.STRING_VARARG_CAT85 )86 // constructor(name: String, vararg cats: Cat)87 Zoo::class.java.matchBestConstructor(null, Cat::class.java) shouldBe Zoo.STRING_VARARG_CAT88 // constructor(cat: Cat)89 Zoo::class.java.matchBestConstructor(Cat::class.java) shouldBe Zoo.CAT90 // constructor(dog: Dog)91 Zoo::class.java.matchBestConstructor(Dog::class.java) shouldBe Zoo.DOG92 // constructor(organism: Organism)93 Zoo::class.java.matchBestConstructor(Grass::class.java) shouldBe Zoo.ORGANISM94 // closer interface has higher priority95 // result: `constructor(animal: Animal)`96 Zoo::class.java.matchBestConstructor(Rabbit::class.java).also {97 it shouldBe Zoo.ANIMAL98 it shouldNotBe Zoo.ORGANISM99 }100 // case of multiple matches, determined by bytecode order101 Zoo::class.java.matchBestConstructor(null) shouldBe Zoo::class.java.declaredConstructors.first {102 it.parameterTypes.size == 1 && it.parameterTypes.first().isObject103 }104 // constructor(name: String, vararg animals: Animal)105 Zoo::class.java.matchBestConstructor(null, Animal::class.java) shouldBe Zoo::class.java.declaredConstructors.first {106 it.parameterTypes.size == 2 && it.parameterTypes.first().isObject && it.parameterTypes.last() == Array<Animal>::class.java107 }108 Zoo::class.java.matchBestConstructor(null, null) shouldBe Zoo::class.java.declaredConstructors.first {109 it.parameterTypes.size == 2 && it.parameterTypes.first().isObject && it.parameterTypes.last().isObject110 }111 }112 @Test fun `match the best field`() {113 // int114 FieldsContainer::class.java.matchBestField("intField", null).shouldNotBeNull().shouldBeIn(115 FieldsContainer::class.java.matchBestField("intField", Int::class.javaObjectType),116 FieldsContainer::class.java.matchBestField(null, Int::class.javaPrimitiveType),117 FieldsContainer::class.java.getDeclaredField("intField"),118 )119 // boolean120 FieldsContainer::class.java.matchBestField(null, Boolean::class.javaPrimitiveType).shouldNotBeNull().shouldBeIn(121 FieldsParent::class.java.matchBestField("booleanField", Boolean::class.javaPrimitiveType),122 FieldsContainer::class.java.getDeclaredField("booleanField"),123 )124 FieldsContainer::class.java.matchBestField("baseBooleanField", null).shouldNotBeNull().shouldBeIn(125 FieldsParent::class.java.matchBestField(null, Boolean::class.javaPrimitiveType),126 FieldsParent::class.java.getDeclaredField("baseBooleanField")127 )128 FieldsContainer::class.java.matchBestField(null, Boolean::class.javaObjectType).shouldNotBeNull().apply {129 // For performance reasons, if the class is found, the super class will not be traversed,130 shouldNotBe(FieldsParent::class.java.getDeclaredField("baseBooleanObjectField"))131 // therefore, the result is the earliest matched field that type is boolean132 shouldBe(FieldsContainer::class.java.getDeclaredField("booleanField"))133 }134 // string135 FieldsContainer::class.java.matchBestField(null, String::class.java).shouldNotBeNull().shouldBe(136 FieldsParent::class.java.getDeclaredField("baseStringField"),137 )138 // interface139 FieldsContainer::class.java.matchBestField(null, Organism::class.java).shouldNotBeNull().shouldBe(140 FieldsContainer::class.java.getDeclaredField("interfaceLowField")141 )142 FieldsContainer::class.java.matchBestField(null, Cat::class.java).shouldNotBeNull().shouldBeIn(143 FieldsContainer::class.java.matchBestField(null, Animal::class.java),144 FieldsContainer::class.java.getDeclaredField("interfaceField"),145 )146 // non147 FieldsContainer::class.java.matchBestField(null, Object::class.java).shouldBeNull()148 }149}...

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CharSequence.forAll

Using AI Code Generation

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1fun testAllStrings() {2 val strings = listOf("abc", "def", "ghi")3 strings.forAll { it should haveLength(3) }4}5fun testAtLeastStrings() {6 val strings = listOf("abc", "def", "ghi")7 strings.forAtLeast(2) { it should haveLength(3) }8}9fun testAtMostStrings() {10 val strings = listOf("abc", "def", "ghi")11 strings.forAtMost(1) { it should haveLength(3) }12}13fun testExactlyStrings() {14 val strings = listOf("abc", "def", "ghi")15 strings.forExactly(1) { it should haveLength(3) }16}17fun testNoneStrings() {18 val strings = listOf("abc", "def", "ghi")19 strings.forNone { it should haveLength(4) }20}21fun testOneStrings() {22 val strings = listOf("abc", "def", "ghi")23 strings.forOne { it should haveLength(3) }24}25fun testSomeStrings() {26 val strings = listOf("abc", "def", "ghi")27 strings.forSome { it should haveLength(3) }28}29fun testSomeStrings() {30 val strings = listOf("abc", "def", "ghi")31 strings.forSome { it should haveLength(3) }32}33fun testAtLeastOneStrings() {34 val strings = listOf("abc", "def", "ghi")35 strings.forAtLeastOne { it should

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CharSequence.forAll

Using AI Code Generation

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1 "CharSequence.forAll" {2 val list = listOf("a", "b", "c")3 list.forAll { it.shouldNotBeNullOrBlank() }4 }5 "CharSequence.forNone" {6 val list = listOf("a", "b", "c")7 list.forNone { it.shouldBeNull() }8 }9 "CharSequence.forOne" {10 val list = listOf("a", "b", "c")11 list.forOne { it.shouldBeNull() }12 }13 "CharSequence.forAtLeastOne" {14 val list = listOf("a", "b", "c")15 list.forAtLeastOne { it.shouldBeNull() }16 }17 "CharSequence.forAtLeast" {18 val list = listOf("a", "b", "c")19 list.forAtLeast(2) { it.shouldBeNull() }20 }21 "CharSequence.forAtMostOne" {22 val list = listOf("a", "b", "c")23 list.forAtMostOne { it.shouldBeNull() }24 }

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