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KotlinBridgeMethodResolverTests.kt
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KotlinBridgeMethodResolverTests.kt
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/*
* Copyright 2002-2021 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.core
import org.assertj.core.api.Assertions
import org.junit.jupiter.api.Test
class KotlinBridgeMethodResolverTests {
@Test
fun findBridgedMethod() {
val unbridged = GenericRepository::class.java.getDeclaredMethod("delete", Int::class.java)
val bridged = GenericRepository::class.java.getDeclaredMethod("delete", Any::class.java)
Assertions.assertThat(unbridged.isBridge).isFalse
Assertions.assertThat(bridged.isBridge).isTrue
Assertions.assertThat(BridgeMethodResolver.findBridgedMethod(unbridged)).`as`("Unbridged method not returned directly").isEqualTo(unbridged)
Assertions.assertThat(BridgeMethodResolver.findBridgedMethod(bridged)).`as`("Incorrect bridged method returned").isEqualTo(unbridged)
}
@Test
fun findBridgedMethodWithArrays() {
val unbridged = GenericRepository::class.java.getDeclaredMethod("delete", Array<Int>::class.java)
val bridged = GenericRepository::class.java.getDeclaredMethod("delete", Array<Any>::class.java)
Assertions.assertThat(unbridged.isBridge).isFalse
Assertions.assertThat(bridged.isBridge).isTrue
Assertions.assertThat(BridgeMethodResolver.findBridgedMethod(unbridged)).`as`("Unbridged method not returned directly").isEqualTo(unbridged)
Assertions.assertThat(BridgeMethodResolver.findBridgedMethod(bridged)).`as`("Incorrect bridged method returned").isEqualTo(unbridged)
}
}
interface GenericInterface<ID> {
fun delete(id: ID)
fun delete(ids: Array<ID>)
}
abstract class AbstractGenericClass<ID> : GenericInterface<ID> {
override fun delete(id: ID) {
}
override fun delete(ids: Array<ID>) {
}
}
class GenericRepository : AbstractGenericClass<Int>() {
override fun delete(id: Int) {
error("gotcha")
}
override fun delete(ids: Array<Int>) {
error("gotcha")
}
}