jdk8-mips64-public/langtools: test/tools/javac/lambda/EffectivelyFinalTest.java@e5cf1569d3a4

7175538: Integrate efectively final check with DA/DU analysis
Summary: Allow generalized effectively-final analysis for all local variables
Reviewed-by: jjg, dlsmith

     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  */

    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 {

    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     }

    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     }

    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     }

    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     }

    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     }

    63     void m6(int x) {

    64         new Object() { { System.out.println(x+1); } }; //error - x not EF

    65         x++;

    66     }

    68     void m7(int x) {

    69         new Object() { { System.out.println(x=1); } }; //error - x not EF

    70     }

    72     void m8() {

    73         int y;

    74         new Object() { { System.out.println(y=1); } }; //error - y not EF

    75     }

    76 }

Mercurial > jdk8-mips64-public > langtools / file revision

test/tools/javac/lambda/EffectivelyFinalTest.java@e5cf1569d3a4

test/tools/javac/lambda/EffectivelyFinalTest.java