test/tools/javac/lambda/EffectivelyFinalTest.java

changeset 1297
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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 * @summary Integrate efectively final check with DA/DU analysis
27 * @compile/fail/ref=EffectivelyFinalTest01.out -XDallowEffectivelyFinalInInnerClasses -XDrawDiagnostics EffectivelyFinalTest.java
28 * @compile/fail/ref=EffectivelyFinalTest02.out -source 7 -Xlint:-options -XDrawDiagnostics EffectivelyFinalTest.java
29 */
30 class EffectivelyFinalTest {
31
32 void m1(int x) {
33 int y = 1;
34 new Object() { { System.out.println(x+y); } }; //ok - both x and y are EF
35 }
36
37 void m2(int x) {
38 int y;
39 y = 1;
40 new Object() { { System.out.println(x+y); } }; //ok - both x and y are EF
41 }
42
43 void m3(int x, boolean cond) {
44 int y;
45 if (cond) y = 1;
46 new Object() { { System.out.println(x+y); } }; //error - y not DA
47 }
48
49 void m4(int x, boolean cond) {
50 int y;
51 if (cond) y = 1;
52 else y = 2;
53 new Object() { { System.out.println(x+y); } }; //ok - both x and y are EF
54 }
55
56 void m5(int x, boolean cond) {
57 int y;
58 if (cond) y = 1;
59 y = 2;
60 new Object() { { System.out.println(x+y); } }; //error - y not EF
61 }
62
63 void m6(int x) {
64 new Object() { { System.out.println(x+1); } }; //error - x not EF
65 x++;
66 }
67
68 void m7(int x) {
69 new Object() { { System.out.println(x=1); } }; //error - x not EF
70 }
71
72 void m8() {
73 int y;
74 new Object() { { System.out.println(y=1); } }; //error - y not EF
75 }
76 }

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