Support bridges in interfaces for default methods

This commit is contained in:
Mikhail Bogdanov
2020-03-27 18:21:38 +01:00
parent 93b915c77a
commit a3f930d2e4
18 changed files with 790 additions and 5 deletions
@@ -0,0 +1,61 @@
// !JVM_DEFAULT_MODE: all-compatibility
// IGNORE_BACKEND_FIR: JVM_IR
// TARGET_BACKEND: JVM
// JVM_TARGET: 1.8
// WITH_RUNTIME
// FULL_JDK
// FILE: Test.java
public interface Test<T> {
default T test(T p) {
return null;
}
}
// FILE: kotlin.kt
interface Test2: Test<String> {
override fun test(p: String): String {
return p
}
fun forDefaultImpls() {}
}
class TestClass : Test2
fun box(): String {
checkMethodExists(Test2::class.java, "test", String::class.java)
checkMethodExists(Test2::class.java, "test", Any::class.java)
checkNoMethod(TestClass::class.java, "test", String::class.java)
checkNoMethod(TestClass::class.java, "test", Any::class.java)
val test2DefaultImpls = java.lang.Class.forName("Test2\$DefaultImpls")
checkNoMethod(test2DefaultImpls, "test", Any::class.java)
checkNoMethod(test2DefaultImpls, "test", String::class.java)
return "OK"
}
fun checkNoMethod(clazz: Class<*>, name: String, vararg parameterTypes: Class<*>) {
try {
clazz.getDeclaredMethod(name, *parameterTypes)
}
catch (e: NoSuchMethodException) {
return
}
throw AssertionError("fail: method $name was found in " + clazz)
}
fun checkMethodExists(clazz: Class<*>, name: String, vararg parameterTypes: Class<*>) {
try {
clazz.getDeclaredMethod(name, *parameterTypes)
return
}
catch (e: NoSuchMethodException) {
throw AssertionError("fail: method $name was not found in " + clazz, e)
}
}