langtools/test/tools/javac/lambda/MostSpecific08.java
author mcimadamore
Thu, 28 Feb 2013 14:05:44 +0000
changeset 16322 373dfc3f05f8
child 19914 d86271bd430a
permissions -rw-r--r--
8008813: Structural most specific fails when method reference is passed to overloaded method Summary: Bad logic for checking most specific method reference type Reviewed-by: jjg

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 */

/*
 * @test
 * @bug 8008813
 * @summary Structural most specific fails when method reference is passed to overloaded method
 * @compile MostSpecific08.java
 */
class MostSpecific08 {

    static class C {
        int getInt() { return -1; }
        Integer getInteger() { return -1; }
    }

    interface IntResult { }
    interface ReferenceResult<X> { }

    interface PrimitiveFunction {
        int f(C c);
    }

    interface ReferenceFunction<X> {
        X f(C c);
    }

    interface Tester {
        IntResult apply(PrimitiveFunction p);
        <Z> ReferenceResult<Z> apply(ReferenceFunction<Z> p);
    }

    void testMref(Tester t) {
        IntResult pr = t.apply(C::getInt);
        ReferenceResult<Integer> rr = t.apply(C::getInteger);
    }

    void testLambda(Tester t) {
        IntResult pr = t.apply(c->c.getInt());
        ReferenceResult<Integer> rr = t.apply(c->c.getInteger());
    }
}