Iaroslav Postovalov
94 lines
2.9 KiB
Kotlin
94 lines
2.9 KiB
Kotlin
/*
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* Copyright 2010-2015 JetBrains s.r.o.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jetbrains.kotlin.codegen
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import org.jetbrains.kotlin.test.ConfigurationKind
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open class ReflectionClassLoaderTest : CodegenTestCase() {
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override fun getPrefix() = "reflection/classLoaders"
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override fun setUp() {
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super.setUp()
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configurationKind = ConfigurationKind.ALL
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createEnvironmentWithMockJdkAndIdeaAnnotations(configurationKind)
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}
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private fun Class<*>.methodByName(name: String) = declaredMethods.single { it.name == name }
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fun doTest(cl1: ClassLoader, cl2: ClassLoader) {
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val t1 = cl1.loadClass("test.Test")
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val t2 = cl2.loadClass("test.Test")
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fun Class<*>.getKClass() = methodByName("kClass")(newInstance())
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t1.methodByName("doTest")(t1.newInstance(), t1.getKClass(), t2.getKClass())
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}
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fun testSimpleDifferentClassLoaders() {
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loadFile("$prefix/differentClassLoaders.kt")
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doTest(
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createClassLoader(),
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createClassLoader()
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)
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}
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fun testClassLoaderWithNonTrivialEqualsAndHashCode() {
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// Check that class loaders do not participate as keys in hash maps (use identity hash maps instead)
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loadFile("$prefix/differentClassLoaders.kt")
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class BrokenEqualsClassLoader(parent: ClassLoader) : ClassLoader(parent) {
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override fun equals(other: Any?) = true
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override fun hashCode() = 0
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}
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doTest(
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BrokenEqualsClassLoader(createClassLoader()),
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BrokenEqualsClassLoader(createClassLoader())
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)
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}
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fun testParentFirst() {
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// Check that for a child class loader, a class reference would be the same as for his parent
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loadFile("$prefix/parentFirst.kt")
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class ChildClassLoader(parent: ClassLoader) : ClassLoader(parent)
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val parent = createClassLoader()
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doTest(
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parent,
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ChildClassLoader(parent)
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)
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}
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fun testKTypeEquality() {
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/*
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* Check that typeOf<List<Clz>>() when clz is loaded by different classloaders
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* differs in both its `equals` and its `classifier`.
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* It is important in the face of KType caching
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*/
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loadFile("$prefix/kTypeEquality.kt")
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doTest(
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createClassLoader(),
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createClassLoader()
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)
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}
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}
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