98 lines
2.9 KiB
Java
98 lines
2.9 KiB
Java
/*
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* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8024947
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* @summary javac should issue the potentially ambiguous overload warning only
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* where the problem appears
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* @compile/fail/ref=PotentiallyAmbiguousWarningTest.out -XDrawDiagnostics -Werror -Xlint:overloads PotentiallyAmbiguousWarningTest.java
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* @compile PotentiallyAmbiguousWarningTest.java
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*/
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import java.util.function.*;
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public interface PotentiallyAmbiguousWarningTest {
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//a warning should be fired
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interface I1 {
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void foo(Consumer<Integer> c);
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void foo(IntConsumer c);
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}
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//a warning should be fired
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class C1 {
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void foo(Consumer<Integer> c) { }
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void foo(IntConsumer c) { }
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}
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interface I2 {
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void foo(Consumer<Integer> c);
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}
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//a warning should be fired, J1 is provoking the issue
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interface J1 extends I2 {
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void foo(IntConsumer c);
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}
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//no warning here, the issue is introduced in I1
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interface I3 extends I1 {}
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//no warning here, the issue is introduced in I1. I4 is just overriding an existing method
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interface I4 extends I1 {
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void foo(IntConsumer c);
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}
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class C2 {
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void foo(Consumer<Integer> c) { }
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}
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//a warning should be fired, D1 is provoking the issue
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class D1 extends C2 {
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void foo(IntConsumer c) { }
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}
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//a warning should be fired, C3 is provoking the issue
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class C3 implements I2 {
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public void foo(Consumer<Integer> c) { }
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public void foo(IntConsumer c) { }
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}
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//no warning here, the issue is introduced in C1
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class C4 extends C1 {}
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//no warning here, the issue is introduced in C1. C5 is just overriding an existing method
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class C5 extends C1 {
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void foo(IntConsumer c) {}
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}
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interface I5<T> {
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void foo(T c);
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}
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//a warning should be fired, J2 is provoking the issue
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interface J2 extends I5<IntConsumer> {
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void foo(Consumer<Integer> c);
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}
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}
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