jdk-24/test/jdk/java/text/Format/CompactNumberFormat/TestCNFRounding.java
Nishit Jain 4a28e27fd2 8177552: Compact Number Formatting support
Reviewed-by: naoto, rriggs
2018-12-06 12:39:28 +05:30

174 lines
8.5 KiB
Java

/*
* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 8177552
* @summary Checks the rounding of formatted number in compact number formatting
* @run testng/othervm TestCNFRounding
*/
import java.math.RoundingMode;
import java.text.NumberFormat;
import java.util.List;
import java.util.Locale;
import static org.testng.Assert.*;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
public class TestCNFRounding {
private static final List<RoundingMode> MODES = List.of(
RoundingMode.HALF_EVEN,
RoundingMode.HALF_UP,
RoundingMode.HALF_DOWN,
RoundingMode.UP,
RoundingMode.DOWN,
RoundingMode.CEILING,
RoundingMode.FLOOR);
@DataProvider(name = "roundingData")
Object[][] roundingData() {
return new Object[][]{
// Number, half_even, half_up, half_down, up, down, ceiling, floor
{5500, new String[]{"6K", "6K", "5K", "6K", "5K", "6K", "5K"}},
{2500, new String[]{"2K", "3K", "2K", "3K", "2K", "3K", "2K"}},
{1600, new String[]{"2K", "2K", "2K", "2K", "1K", "2K", "1K"}},
{1100, new String[]{"1K", "1K", "1K", "2K", "1K", "2K", "1K"}},
{1000, new String[]{"1K", "1K", "1K", "1K", "1K", "1K", "1K"}},
{-1000, new String[]{"-1K", "-1K", "-1K", "-1K", "-1K", "-1K", "-1K"}},
{-1100, new String[]{"-1K", "-1K", "-1K", "-2K", "-1K", "-1K", "-2K"}},
{-1600, new String[]{"-2K", "-2K", "-2K", "-2K", "-1K", "-1K", "-2K"}},
{-2500, new String[]{"-2K", "-3K", "-2K", "-3K", "-2K", "-2K", "-3K"}},
{-5500, new String[]{"-6K", "-6K", "-5K", "-6K", "-5K", "-5K", "-6K"}},
{5501, new String[]{"6K", "6K", "6K", "6K", "5K", "6K", "5K"}},
{-5501, new String[]{"-6K", "-6K", "-6K", "-6K", "-5K", "-5K", "-6K"}},
{1001, new String[]{"1K", "1K", "1K", "2K", "1K", "2K", "1K"}},
{-1001, new String[]{"-1K", "-1K", "-1K", "-2K", "-1K", "-1K", "-2K"}},
{4501, new String[]{"5K", "5K", "5K", "5K", "4K", "5K", "4K"}},
{-4501, new String[]{"-5K", "-5K", "-5K", "-5K", "-4K", "-4K", "-5K"}},
{4500, new String[]{"4K", "5K", "4K", "5K", "4K", "5K", "4K"}},
{-4500, new String[]{"-4K", "-5K", "-4K", "-5K", "-4K", "-4K", "-5K"}},};
}
@DataProvider(name = "roundingFract")
Object[][] roundingFract() {
return new Object[][]{
// Number, half_even, half_up, half_down, up, down, ceiling, floor
{5550, new String[]{"5.5K", "5.5K", "5.5K", "5.6K", "5.5K", "5.6K", "5.5K"}},
{2550, new String[]{"2.5K", "2.5K", "2.5K", "2.6K", "2.5K", "2.6K", "2.5K"}},
{1660, new String[]{"1.7K", "1.7K", "1.7K", "1.7K", "1.6K", "1.7K", "1.6K"}},
{1110, new String[]{"1.1K", "1.1K", "1.1K", "1.2K", "1.1K", "1.2K", "1.1K"}},
{1000, new String[]{"1.0K", "1.0K", "1.0K", "1.0K", "1.0K", "1.0K", "1.0K"}},
{-1000, new String[]{"-1.0K", "-1.0K", "-1.0K", "-1.0K", "-1.0K", "-1.0K", "-1.0K"}},
{-1110, new String[]{"-1.1K", "-1.1K", "-1.1K", "-1.2K", "-1.1K", "-1.1K", "-1.2K"}},
{-1660, new String[]{"-1.7K", "-1.7K", "-1.7K", "-1.7K", "-1.6K", "-1.6K", "-1.7K"}},
{-2550, new String[]{"-2.5K", "-2.5K", "-2.5K", "-2.6K", "-2.5K", "-2.5K", "-2.6K"}},
{-5550, new String[]{"-5.5K", "-5.5K", "-5.5K", "-5.6K", "-5.5K", "-5.5K", "-5.6K"}},
{5551, new String[]{"5.6K", "5.6K", "5.6K", "5.6K", "5.5K", "5.6K", "5.5K"}},
{-5551, new String[]{"-5.6K", "-5.6K", "-5.6K", "-5.6K", "-5.5K", "-5.5K", "-5.6K"}},
{1001, new String[]{"1.0K", "1.0K", "1.0K", "1.1K", "1.0K", "1.1K", "1.0K"}},
{-1001, new String[]{"-1.0K", "-1.0K", "-1.0K", "-1.1K", "-1.0K", "-1.0K", "-1.1K"}},
{4551, new String[]{"4.6K", "4.6K", "4.6K", "4.6K", "4.5K", "4.6K", "4.5K"}},
{-4551, new String[]{"-4.6K", "-4.6K", "-4.6K", "-4.6K", "-4.5K", "-4.5K", "-4.6K"}},
{4500, new String[]{"4.5K", "4.5K", "4.5K", "4.5K", "4.5K", "4.5K", "4.5K"}},
{-4500, new String[]{"-4.5K", "-4.5K", "-4.5K", "-4.5K", "-4.5K", "-4.5K", "-4.5K"}},};
}
@DataProvider(name = "rounding2Fract")
Object[][] rounding2Fract() {
return new Object[][]{
// Number, half_even, half_up, half_down
{1115, new String[]{"1.11K", "1.11K", "1.11K"}},
{1125, new String[]{"1.12K", "1.13K", "1.12K"}},
{1135, new String[]{"1.14K", "1.14K", "1.14K"}},
{3115, new String[]{"3.12K", "3.12K", "3.12K"}},
{3125, new String[]{"3.12K", "3.13K", "3.12K"}},
{3135, new String[]{"3.13K", "3.13K", "3.13K"}},
{6865, new String[]{"6.87K", "6.87K", "6.87K"}},
{6875, new String[]{"6.88K", "6.88K", "6.87K"}},
{6885, new String[]{"6.88K", "6.88K", "6.88K"}},
{3124, new String[]{"3.12K", "3.12K", "3.12K"}},
{3126, new String[]{"3.13K", "3.13K", "3.13K"}},
{3128, new String[]{"3.13K", "3.13K", "3.13K"}},
{6864, new String[]{"6.86K", "6.86K", "6.86K"}},
{6865, new String[]{"6.87K", "6.87K", "6.87K"}},
{6868, new String[]{"6.87K", "6.87K", "6.87K"}},
{4685, new String[]{"4.68K", "4.68K", "4.68K"}},
{4687, new String[]{"4.69K", "4.69K", "4.69K"}},
{4686, new String[]{"4.69K", "4.69K", "4.69K"}},};
}
@Test(expectedExceptions = NullPointerException.class)
public void testNullMode() {
NumberFormat fmt = NumberFormat
.getCompactNumberInstance(Locale.US, NumberFormat.Style.SHORT);
fmt.setRoundingMode(null);
}
@Test
public void testDefaultRoundingMode() {
NumberFormat fmt = NumberFormat
.getCompactNumberInstance(Locale.US, NumberFormat.Style.SHORT);
assertEquals(fmt.getRoundingMode(), RoundingMode.HALF_EVEN,
"Default RoundingMode should be " + RoundingMode.HALF_EVEN);
}
@Test(dataProvider = "roundingData")
public void testRounding(Object number, String[] expected) {
for (int index = 0; index < MODES.size(); index++) {
testRoundingMode(number, expected[index], 0, MODES.get(index));
}
}
@Test(dataProvider = "roundingFract")
public void testRoundingFract(Object number, String[] expected) {
for (int index = 0; index < MODES.size(); index++) {
testRoundingMode(number, expected[index], 1, MODES.get(index));
}
}
@Test(dataProvider = "rounding2Fract")
public void testRounding2Fract(Object number, String[] expected) {
List<RoundingMode> rModes = List.of(RoundingMode.HALF_EVEN,
RoundingMode.HALF_UP, RoundingMode.HALF_DOWN);
for (int index = 0; index < rModes.size(); index++) {
testRoundingMode(number, expected[index], 2, rModes.get(index));
}
}
private void testRoundingMode(Object number, String expected,
int fraction, RoundingMode rounding) {
NumberFormat fmt = NumberFormat
.getCompactNumberInstance(Locale.US, NumberFormat.Style.SHORT);
fmt.setRoundingMode(rounding);
assertEquals(fmt.getRoundingMode(), rounding,
"RoundingMode set is not returned by getRoundingMode");
fmt.setMinimumFractionDigits(fraction);
String result = fmt.format(number);
assertEquals(result, expected, "Incorrect formatting of number "
+ number + " using rounding mode: " + rounding);
}
}