test/jdk/java/text/Format/CompactNumberFormat/TestCNFRounding.java
changeset 52869 c5c0db0b7c2f
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52868:b4982a22926b 52869:c5c0db0b7c2f
       
     1 /*
       
     2  * Copyright (c) 2018, 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  * @test
       
    25  * @bug 8177552
       
    26  * @summary Checks the rounding of formatted number in compact number formatting
       
    27  * @run testng/othervm TestCNFRounding
       
    28  */
       
    29 
       
    30 import java.math.RoundingMode;
       
    31 import java.text.NumberFormat;
       
    32 import java.util.List;
       
    33 import java.util.Locale;
       
    34 import static org.testng.Assert.*;
       
    35 import org.testng.annotations.DataProvider;
       
    36 import org.testng.annotations.Test;
       
    37 
       
    38 public class TestCNFRounding {
       
    39 
       
    40     private static final List<RoundingMode> MODES = List.of(
       
    41             RoundingMode.HALF_EVEN,
       
    42             RoundingMode.HALF_UP,
       
    43             RoundingMode.HALF_DOWN,
       
    44             RoundingMode.UP,
       
    45             RoundingMode.DOWN,
       
    46             RoundingMode.CEILING,
       
    47             RoundingMode.FLOOR);
       
    48 
       
    49     @DataProvider(name = "roundingData")
       
    50     Object[][] roundingData() {
       
    51         return new Object[][]{
       
    52             // Number, half_even, half_up, half_down, up, down, ceiling, floor
       
    53             {5500, new String[]{"6K", "6K", "5K", "6K", "5K", "6K", "5K"}},
       
    54             {2500, new String[]{"2K", "3K", "2K", "3K", "2K", "3K", "2K"}},
       
    55             {1600, new String[]{"2K", "2K", "2K", "2K", "1K", "2K", "1K"}},
       
    56             {1100, new String[]{"1K", "1K", "1K", "2K", "1K", "2K", "1K"}},
       
    57             {1000, new String[]{"1K", "1K", "1K", "1K", "1K", "1K", "1K"}},
       
    58             {-1000, new String[]{"-1K", "-1K", "-1K", "-1K", "-1K", "-1K", "-1K"}},
       
    59             {-1100, new String[]{"-1K", "-1K", "-1K", "-2K", "-1K", "-1K", "-2K"}},
       
    60             {-1600, new String[]{"-2K", "-2K", "-2K", "-2K", "-1K", "-1K", "-2K"}},
       
    61             {-2500, new String[]{"-2K", "-3K", "-2K", "-3K", "-2K", "-2K", "-3K"}},
       
    62             {-5500, new String[]{"-6K", "-6K", "-5K", "-6K", "-5K", "-5K", "-6K"}},
       
    63             {5501, new String[]{"6K", "6K", "6K", "6K", "5K", "6K", "5K"}},
       
    64             {-5501, new String[]{"-6K", "-6K", "-6K", "-6K", "-5K", "-5K", "-6K"}},
       
    65             {1001, new String[]{"1K", "1K", "1K", "2K", "1K", "2K", "1K"}},
       
    66             {-1001, new String[]{"-1K", "-1K", "-1K", "-2K", "-1K", "-1K", "-2K"}},
       
    67             {4501, new String[]{"5K", "5K", "5K", "5K", "4K", "5K", "4K"}},
       
    68             {-4501, new String[]{"-5K", "-5K", "-5K", "-5K", "-4K", "-4K", "-5K"}},
       
    69             {4500, new String[]{"4K", "5K", "4K", "5K", "4K", "5K", "4K"}},
       
    70             {-4500, new String[]{"-4K", "-5K", "-4K", "-5K", "-4K", "-4K", "-5K"}},};
       
    71     }
       
    72 
       
    73     @DataProvider(name = "roundingFract")
       
    74     Object[][] roundingFract() {
       
    75         return new Object[][]{
       
    76             // Number, half_even, half_up, half_down, up, down, ceiling, floor
       
    77             {5550, new String[]{"5.5K", "5.5K", "5.5K", "5.6K", "5.5K", "5.6K", "5.5K"}},
       
    78             {2550, new String[]{"2.5K", "2.5K", "2.5K", "2.6K", "2.5K", "2.6K", "2.5K"}},
       
    79             {1660, new String[]{"1.7K", "1.7K", "1.7K", "1.7K", "1.6K", "1.7K", "1.6K"}},
       
    80             {1110, new String[]{"1.1K", "1.1K", "1.1K", "1.2K", "1.1K", "1.2K", "1.1K"}},
       
    81             {1000, new String[]{"1.0K", "1.0K", "1.0K", "1.0K", "1.0K", "1.0K", "1.0K"}},
       
    82             {-1000, new String[]{"-1.0K", "-1.0K", "-1.0K", "-1.0K", "-1.0K", "-1.0K", "-1.0K"}},
       
    83             {-1110, new String[]{"-1.1K", "-1.1K", "-1.1K", "-1.2K", "-1.1K", "-1.1K", "-1.2K"}},
       
    84             {-1660, new String[]{"-1.7K", "-1.7K", "-1.7K", "-1.7K", "-1.6K", "-1.6K", "-1.7K"}},
       
    85             {-2550, new String[]{"-2.5K", "-2.5K", "-2.5K", "-2.6K", "-2.5K", "-2.5K", "-2.6K"}},
       
    86             {-5550, new String[]{"-5.5K", "-5.5K", "-5.5K", "-5.6K", "-5.5K", "-5.5K", "-5.6K"}},
       
    87             {5551, new String[]{"5.6K", "5.6K", "5.6K", "5.6K", "5.5K", "5.6K", "5.5K"}},
       
    88             {-5551, new String[]{"-5.6K", "-5.6K", "-5.6K", "-5.6K", "-5.5K", "-5.5K", "-5.6K"}},
       
    89             {1001, new String[]{"1.0K", "1.0K", "1.0K", "1.1K", "1.0K", "1.1K", "1.0K"}},
       
    90             {-1001, new String[]{"-1.0K", "-1.0K", "-1.0K", "-1.1K", "-1.0K", "-1.0K", "-1.1K"}},
       
    91             {4551, new String[]{"4.6K", "4.6K", "4.6K", "4.6K", "4.5K", "4.6K", "4.5K"}},
       
    92             {-4551, new String[]{"-4.6K", "-4.6K", "-4.6K", "-4.6K", "-4.5K", "-4.5K", "-4.6K"}},
       
    93             {4500, new String[]{"4.5K", "4.5K", "4.5K", "4.5K", "4.5K", "4.5K", "4.5K"}},
       
    94             {-4500, new String[]{"-4.5K", "-4.5K", "-4.5K", "-4.5K", "-4.5K", "-4.5K", "-4.5K"}},};
       
    95     }
       
    96 
       
    97     @DataProvider(name = "rounding2Fract")
       
    98     Object[][] rounding2Fract() {
       
    99         return new Object[][]{
       
   100             // Number, half_even, half_up, half_down
       
   101             {1115, new String[]{"1.11K", "1.11K", "1.11K"}},
       
   102             {1125, new String[]{"1.12K", "1.13K", "1.12K"}},
       
   103             {1135, new String[]{"1.14K", "1.14K", "1.14K"}},
       
   104             {3115, new String[]{"3.12K", "3.12K", "3.12K"}},
       
   105             {3125, new String[]{"3.12K", "3.13K", "3.12K"}},
       
   106             {3135, new String[]{"3.13K", "3.13K", "3.13K"}},
       
   107             {6865, new String[]{"6.87K", "6.87K", "6.87K"}},
       
   108             {6875, new String[]{"6.88K", "6.88K", "6.87K"}},
       
   109             {6885, new String[]{"6.88K", "6.88K", "6.88K"}},
       
   110             {3124, new String[]{"3.12K", "3.12K", "3.12K"}},
       
   111             {3126, new String[]{"3.13K", "3.13K", "3.13K"}},
       
   112             {3128, new String[]{"3.13K", "3.13K", "3.13K"}},
       
   113             {6864, new String[]{"6.86K", "6.86K", "6.86K"}},
       
   114             {6865, new String[]{"6.87K", "6.87K", "6.87K"}},
       
   115             {6868, new String[]{"6.87K", "6.87K", "6.87K"}},
       
   116             {4685, new String[]{"4.68K", "4.68K", "4.68K"}},
       
   117             {4687, new String[]{"4.69K", "4.69K", "4.69K"}},
       
   118             {4686, new String[]{"4.69K", "4.69K", "4.69K"}},};
       
   119     }
       
   120 
       
   121     @Test(expectedExceptions = NullPointerException.class)
       
   122     public void testNullMode() {
       
   123         NumberFormat fmt = NumberFormat
       
   124                 .getCompactNumberInstance(Locale.US, NumberFormat.Style.SHORT);
       
   125         fmt.setRoundingMode(null);
       
   126     }
       
   127 
       
   128     @Test
       
   129     public void testDefaultRoundingMode() {
       
   130         NumberFormat fmt = NumberFormat
       
   131                 .getCompactNumberInstance(Locale.US, NumberFormat.Style.SHORT);
       
   132         assertEquals(fmt.getRoundingMode(), RoundingMode.HALF_EVEN,
       
   133                 "Default RoundingMode should be " + RoundingMode.HALF_EVEN);
       
   134     }
       
   135 
       
   136     @Test(dataProvider = "roundingData")
       
   137     public void testRounding(Object number, String[] expected) {
       
   138         for (int index = 0; index < MODES.size(); index++) {
       
   139             testRoundingMode(number, expected[index], 0, MODES.get(index));
       
   140         }
       
   141     }
       
   142 
       
   143     @Test(dataProvider = "roundingFract")
       
   144     public void testRoundingFract(Object number, String[] expected) {
       
   145         for (int index = 0; index < MODES.size(); index++) {
       
   146             testRoundingMode(number, expected[index], 1, MODES.get(index));
       
   147         }
       
   148     }
       
   149 
       
   150     @Test(dataProvider = "rounding2Fract")
       
   151     public void testRounding2Fract(Object number, String[] expected) {
       
   152         List<RoundingMode> rModes = List.of(RoundingMode.HALF_EVEN,
       
   153                 RoundingMode.HALF_UP, RoundingMode.HALF_DOWN);
       
   154         for (int index = 0; index < rModes.size(); index++) {
       
   155             testRoundingMode(number, expected[index], 2, rModes.get(index));
       
   156         }
       
   157     }
       
   158 
       
   159     private void testRoundingMode(Object number, String expected,
       
   160             int fraction, RoundingMode rounding) {
       
   161         NumberFormat fmt = NumberFormat
       
   162                 .getCompactNumberInstance(Locale.US, NumberFormat.Style.SHORT);
       
   163         fmt.setRoundingMode(rounding);
       
   164         assertEquals(fmt.getRoundingMode(), rounding,
       
   165                 "RoundingMode set is not returned by getRoundingMode");
       
   166 
       
   167         fmt.setMinimumFractionDigits(fraction);
       
   168         String result = fmt.format(number);
       
   169         assertEquals(result, expected, "Incorrect formatting of number "
       
   170                 + number + " using rounding mode: " + rounding);
       
   171     }
       
   172 
       
   173 }