view test/tools/javac/generics/inference/6638712/T6638712e.java @ 164:c711bcdb18ea

OPENJDK6-34: OpenJDK6-b31 backport of JDK-6638712 to openjdk6 Summary: Original bug synopsis-Inference of formal type parameter (unused in formal parameters) is not performed Reviewed-by: aph Contributed-by: nikgor <nikolay@azulsystems.com>
author ikrylov
date Fri, 20 Jun 2014 16:52:01 +0400
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/*
 * @test /nodynamiccopyright/
 * @bug     6638712 6795689
 * @author  mcimadamore
 * @summary Inference with wildcard types causes selection of inapplicable method
 * @compile/fail/ref=T6638712e.out -XDrawDiagnostics T6638712e.java
 */

class T6638712e {
    static class Foo<A, B> {
        <X> Foo<X, B> m(Foo<? super X, ? extends A> foo) {
            return null;
        }
    }

    static class Test {
        Foo<Object, String> test(Foo<Boolean, String> foo1, Foo<Boolean, Boolean> foo2) {
            return foo1.m(foo2);
        }
    }
}