Mikhael Bogdanov
56 lines
1.2 KiB
Kotlin
Vendored
56 lines
1.2 KiB
Kotlin
Vendored
// TARGET_BACKEND: JVM
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// FULL_JDK
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// JVM_TARGET: 1.8
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// WITH_STDLIB
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// MODULE: lib
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// !JVM_DEFAULT_MODE: all
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// FILE: Foo.kt
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interface Foo {
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fun toOverride(): String = "fail"
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fun nonOverride(): String = "K"
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}
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// MODULE: main(lib)
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// !JVM_DEFAULT_MODE: disable
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// FILE: main.kt
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interface Derived : Foo {
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override fun toOverride(): String {
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return "O"
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}
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}
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class DerivedClass : Derived
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fun box(): String {
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checkMethodExists(DerivedClass::class.java, "toOverride")
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checkNoMethod(DerivedClass::class.java, "nonOverride")
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val value = DerivedClass()
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return value.toOverride() + value.nonOverride()
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}
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fun checkNoMethod(clazz: Class<*>, name: String, vararg parameterTypes: Class<*>) {
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try {
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clazz.getDeclaredMethod(name, *parameterTypes)
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}
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catch (e: NoSuchMethodException) {
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return
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}
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throw AssertionError("fail: method $name was found in " + clazz)
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}
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fun checkMethodExists(clazz: Class<*>, name: String, vararg parameterTypes: Class<*>) {
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try {
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clazz.getDeclaredMethod(name, *parameterTypes)
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return
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}
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catch (e: NoSuchMethodException) {
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throw AssertionError("fail: method $name was not found in " + clazz, e)
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}
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}
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