1 /*

     2  * Copyright (c) 2016, 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 8146156

    27  * @summary test whether conversion follows Locale.Category.FORMAT locale.

    28  * @run main/othervm FormatLocale

    29  */

    30 

    31 import java.io.ByteArrayOutputStream;

    32 import java.io.PrintStream;

    33 import java.util.List;

    34 import java.util.Locale;

    35 import java.util.Locale.Category;

    36 import java.util.stream.IntStream;

    37 

    38 public class FormatLocale {

    39 

    40     static final float src = 3.14f;

    41     static final List<Locale> formatLocale = List.of(Locale.US, Locale.FRANCE);

    42     static final List<String> expected = List.of("3.14", "3,14");

    43 

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

    45         IntStream.range(0, formatLocale.size()).forEach(i -> {

    46             Locale.setDefault(Locale.Category.FORMAT, formatLocale.get(i));

    47             ByteArrayOutputStream baos = new ByteArrayOutputStream();

    48             new PrintStream(baos).format("%.2f", src);

    49             if (!baos.toString().equals(expected.get(i))) {

    50                 throw new RuntimeException(

    51                     "Wrong conversion with PrintStream.format() in locale "

    52                     + formatLocale.get(i) +

    53                     ". Expected: " + expected.get(i) +

    54                     " Returned: " + baos.toString());

    55             }

    56         });

    57     }

    58 }