1 /*

     2  * Copyright (c) 2019, 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 8212749

    27  * @summary test whether input value check for

    28  *          DecimalFormat.setGroupingSize(int) works correctly.

    29  * @run testng/othervm SetGroupingSizeTest

    30  */

    31 

    32 import java.text.DecimalFormat;

    33 

    34 import static org.testng.Assert.assertEquals;

    35 import org.testng.annotations.DataProvider;

    36 import org.testng.annotations.Test;

    37 

    38 @Test

    39 public class SetGroupingSizeTest {

    40 

    41     @DataProvider

    42     public static Object[][] validGroupingSizes() {

    43         return new Object[][] {

    44             { 0 },

    45             { Byte.MAX_VALUE },

    46         };

    47     }

    48 

    49     @DataProvider

    50     public static Object[][] invalidGroupingSizes() {

    51         return new Object[][] {

    52             { Byte.MIN_VALUE - 1 },

    53             { Byte.MIN_VALUE },

    54             { -1 },

    55             { Byte.MAX_VALUE + 1 },

    56             { Integer.MIN_VALUE },

    57             { Integer.MAX_VALUE },

    58         };

    59     }

    60 

    61     @Test(dataProvider = "validGroupingSizes")

    62     public void test_validGroupingSize(int newVal) {

    63         DecimalFormat df = new DecimalFormat();

    64         df.setGroupingSize(newVal);

    65         assertEquals(df.getGroupingSize(), newVal);

    66     }

    67 

    68     @Test(dataProvider = "invalidGroupingSizes",

    69         expectedExceptions = IllegalArgumentException.class)

    70     public void test_invalidGroupingSize(int newVal) {

    71         DecimalFormat df = new DecimalFormat();

    72         df.setGroupingSize(newVal);

    73     }

    74 }