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/*
* @test /nodynamiccopyright/
* @bug 8024947
* @summary javac should issue the potentially ambiguous overload warning only
* where the problem appears
* @compile/fail/ref=PotentiallyAmbiguousWarningTest.out -XDrawDiagnostics -Werror -Xlint:overloads PotentiallyAmbiguousWarningTest.java
*/
import java.util.function.*;
public interface PotentiallyAmbiguousWarningTest {
//a warning should be fired
interface I1 {
void foo(Consumer<Integer> c);
void foo(IntConsumer c);
}
//a warning should be fired
class C1 {
void foo(Consumer<Integer> c) { }
void foo(IntConsumer c) { }
}
interface I2 {
void foo(Consumer<Integer> c);
}
//a warning should be fired, J1 is provoking the issue
interface J1 extends I2 {
void foo(IntConsumer c);
}
//no warning here, the issue is introduced in I1
interface I3 extends I1 {}
//no warning here, the issue is introduced in I1. I4 is just overriding an existing method
interface I4 extends I1 {
void foo(IntConsumer c);
}
class C2 {
void foo(Consumer<Integer> c) { }
}
//a warning should be fired, D1 is provoking the issue
class D1 extends C2 {
void foo(IntConsumer c) { }
}
//a warning should be fired, C3 is provoking the issue
class C3 implements I2 {
public void foo(Consumer<Integer> c) { }
public void foo(IntConsumer c) { }
}
//no warning here, the issue is introduced in C1
class C4 extends C1 {}
//no warning here, the issue is introduced in C1. C5 is just overriding an existing method
class C5 extends C1 {
void foo(IntConsumer c) {}
}
interface I5<T> {
void foo(T c);
}
//a warning should be fired, J2 is provoking the issue
interface J2 extends I5<IntConsumer> {
void foo(Consumer<Integer> c);
}
}
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