jdk8-mips64-public/langtools: test/tools/javac/T7040104.java@7909abb85562

     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  */

    24 /*

    25  * @test

    26  * @bug 7040104

    27  * @summary javac NPE on Object a[]; Object o = (a=null)[0];

    28  */

    30 public class T7040104 {

    31     public static void main(String[] args) {

    32         T7040104 t = new T7040104();

    33         t.test1();

    34         t.test2();

    35         t.test3();

    36         if (t.npeCount != 3) {

    37             throw new AssertionError();

    38         }

    39     }

    41     int npeCount = 0;

    43     void test1() {

    44         Object a[];

    45         try {

    46             Object o = (a = null)[0];

    47         }

    48         catch (NullPointerException npe) {

    49             npeCount++;

    50         }

    51     }

    53     void test2() {

    54         Object a[][];

    55         try {

    56             Object o = (a = null)[0][0];

    57         }

    58         catch (NullPointerException npe) {

    59             npeCount++;

    60         }

    61     }

    63     void test3() {

    64         Object a[][][];

    65         try {

    66             Object o = (a = null)[0][0][0];

    67         }

    68         catch (NullPointerException npe) {

    69             npeCount++;

    70         }

    71     }

    72 }

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