Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/lambda/LambdaCapture03.java
test/tools/javac/lambda/LambdaCapture03.java
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| 1 /* | |
| 2 * Copyright (c) 2011, 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 * test for capture of non-mutable locals/outer fields in multiple scopes | |
| 29 * @author Maurizio Cimadamore | |
| 30 * @run main LambdaCapture03 | |
| 31 */ | |
| 32 | |
| 33 public class LambdaCapture03 { | |
| 34 | |
| 35 static int assertionCount = 0; | |
| 36 | |
| 37 static void assertTrue(boolean cond) { | |
| 38 assertionCount++; | |
| 39 if (!cond) | |
| 40 throw new AssertionError(); | |
| 41 } | |
| 42 | |
| 43 interface Tester { | |
| 44 void test(); | |
| 45 } | |
| 46 | |
| 47 interface TU<T, U> { | |
| 48 public T foo(U u); | |
| 49 } | |
| 50 | |
| 51 public static <T, U> T exec(TU<T, U> lambda, U x) { | |
| 52 return lambda.foo(x); | |
| 53 } | |
| 54 | |
| 55 Integer n1 = 10; | |
| 56 | |
| 57 void test1() { | |
| 58 final Integer N1 = 1; | |
| 59 class A { | |
| 60 Integer n2 = 20; | |
| 61 void test() { | |
| 62 final Integer N2 = 2; | |
| 63 class B { | |
| 64 void test() { | |
| 65 final Integer N3 = 3; | |
| 66 int res = LambdaCapture03.exec((Integer x) -> x + n1 + n2 + N1 + N2 + N3, 30); | |
| 67 assertTrue(res == 66); | |
| 68 } | |
| 69 } | |
| 70 new B().test(); | |
| 71 } | |
| 72 } | |
| 73 new A().test(); | |
| 74 } | |
| 75 | |
| 76 void test2() { | |
| 77 final Integer N1 = 1; | |
| 78 new Tester() { | |
| 79 Integer n2 = 20; | |
| 80 public void test() { | |
| 81 final Integer N2 = 2; | |
| 82 new Tester() { | |
| 83 public void test() { | |
| 84 final Integer N3 = 3; | |
| 85 int res = LambdaCapture03.exec((Integer x) -> x + n1 + n2 + N1 + N2 + N3, 30); | |
| 86 assertTrue(res == 66); | |
| 87 } | |
| 88 }.test(); | |
| 89 } | |
| 90 }.test(); | |
| 91 } | |
| 92 | |
| 93 public static void main(String[] args) { | |
| 94 LambdaCapture03 t = new LambdaCapture03(); | |
| 95 t.test1(); | |
| 96 t.test2(); | |
| 97 assertTrue(assertionCount == 2); | |
| 98 } | |
| 99 } |
