Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/lambda/MostSpecific08.java
test/tools/javac/lambda/MostSpecific08.java
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- 2eb010b6cb22
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| 1 /* | |
| 2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 */ | |
| 23 | |
| 24 /* | |
| 25 * @test | |
| 26 * @bug 8008813 | |
| 27 * @summary Structural most specific fails when method reference is passed to overloaded method | |
| 28 * @compile/fail/ref=MostSpecific08.out -XDrawDiagnostics MostSpecific08.java | |
| 29 */ | |
| 30 class MostSpecific08 { | |
| 31 | |
| 32 static class C { | |
| 33 int getInt() { return -1; } | |
| 34 Integer getInteger() { return -1; } | |
| 35 } | |
| 36 | |
| 37 interface IntResult { } | |
| 38 interface ReferenceResult<X> { } | |
| 39 | |
| 40 interface PrimitiveFunction { | |
| 41 int f(C c); | |
| 42 } | |
| 43 | |
| 44 interface ReferenceFunction<X> { | |
| 45 X f(C c); | |
| 46 } | |
| 47 | |
| 48 interface Tester { | |
| 49 IntResult apply(PrimitiveFunction p); | |
| 50 <Z> ReferenceResult<Z> apply(ReferenceFunction<Z> p); | |
| 51 } | |
| 52 | |
| 53 void testMref(Tester t) { | |
| 54 IntResult pr = t.apply(C::getInt); //ok - unoverloaded mref | |
| 55 ReferenceResult<Integer> rr = t.apply(C::getInteger); //ok - unoverloaded mref | |
| 56 } | |
| 57 | |
| 58 void testLambda(Tester t) { | |
| 59 IntResult pr1 = t.apply(c->c.getInt()); //ambiguous - implicit | |
| 60 IntResult pr2 = t.apply((C c)->c.getInt()); //ok | |
| 61 ReferenceResult<Integer> rr1 = t.apply(c->c.getInteger()); //ambiguous - implicit | |
| 62 ReferenceResult<Integer> rr2 = t.apply((C c)->c.getInteger()); //ok | |
| 63 } | |
| 64 } |
