Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/lambda/MethodReference46.java
test/tools/javac/lambda/MethodReference46.java
- changeset 1415
- 01c9d4161882
- child 2000
- 4a6acc42c3a1
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| 1414:843d3b191773 | 1415:01c9d4161882 |
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| 1 /* | |
| 2 * Copyright (c) 2012, 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 8003280 | |
| 27 * @summary Add lambda tests | |
| 28 * check that generic method reference is inferred when type parameters are omitted | |
| 29 * @run main MethodReference46 | |
| 30 */ | |
| 31 public class MethodReference46 { | |
| 32 | |
| 33 static int assertionCount = 0; | |
| 34 | |
| 35 static void assertTrue(boolean cond) { | |
| 36 assertionCount++; | |
| 37 if (!cond) | |
| 38 throw new AssertionError(); | |
| 39 } | |
| 40 | |
| 41 interface SAM1 { | |
| 42 void m(String s); | |
| 43 } | |
| 44 | |
| 45 interface SAM2 { | |
| 46 void m(Integer s); | |
| 47 } | |
| 48 | |
| 49 interface SAM3 { | |
| 50 void m(Object o); | |
| 51 } | |
| 52 | |
| 53 static class Foo<X extends Number> { | |
| 54 Foo(X x) { } | |
| 55 } | |
| 56 | |
| 57 static <X extends Number> void m(X fx) { } | |
| 58 | |
| 59 static void g(SAM1 s) { assertTrue(false); } | |
| 60 static void g(SAM2 s) { assertTrue(true); } | |
| 61 static void g(SAM3 s) { assertTrue(false); } | |
| 62 | |
| 63 public static void main(String[] args) { | |
| 64 g(MethodReference46::m); | |
| 65 assertTrue(assertionCount == 1); | |
| 66 } | |
| 67 } |
