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ARTEMIS-2801 make HumanReadableByteCountTest locale sensitive

This commit is contained in:
Justin Bertram 2020-06-11 12:29:38 -05:00 committed by Clebert Suconic
parent 3396ac355a
commit 6b589b1e78
1 changed files with 44 additions and 15 deletions
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59
artemis-commons/src/test/java/org/apache/activemq/artemis/utils/HumanReadableByteCountTest.java
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@ -17,6 +17,10 @@
package org.apache.activemq.artemis.utils;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.util.Locale;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
@ -24,21 +28,46 @@ import static org.junit.Assert.assertEquals;
public class HumanReadableByteCountTest {
@Test
public void test() {
String[] suffixes = new String[] {"K", "M", "G", "T", "P", "E"};
assertEquals("0B", ByteUtil.getHumanReadableByteCount(0));
assertEquals("999.0B", ByteUtil.getHumanReadableByteCount(999));
assertEquals("500.0B", ByteUtil.getHumanReadableByteCount(500));
for (int i = 0, j = 3; i < 6; i++, j += 3) {
final long magnitude = (long) Math.pow(10, j);
assertEquals("1.0" + suffixes[i] + "B", ByteUtil.getHumanReadableByteCount(magnitude));
assertEquals("1.3" + suffixes[i] + "B", ByteUtil.getHumanReadableByteCount(magnitude + (long) (.25 * magnitude)));
assertEquals("1.5" + suffixes[i] + "B", ByteUtil.getHumanReadableByteCount(magnitude + (long) (.5 * magnitude)));
assertEquals("1.9" + suffixes[i] + "B", ByteUtil.getHumanReadableByteCount(magnitude + (long) (.9 * magnitude)));
assertEquals("4.2" + suffixes[i] + "B", ByteUtil.getHumanReadableByteCount(magnitude + (long) (3.2 * magnitude)));
}
public void testDefaultLocale() {
internalTest(Locale.getDefault());
}
@Test
public void testEnglishLocale() {
internalTest(Locale.ENGLISH);
}
@Test
public void testFrenchLocale() {
// This locale will use commas instead of periods
internalTest(Locale.FRENCH);
}
private void internalTest(final Locale testLocale) {
// track the default
Locale defaultLocale = Locale.getDefault();
Locale.setDefault(testLocale);
DecimalFormat decimalFormat = new DecimalFormat("###.0", DecimalFormatSymbols.getInstance(testLocale));
try {
String[] suffixes = new String[]{"K", "M", "G", "T", "P", "E"};
assertEquals("0B", ByteUtil.getHumanReadableByteCount(0));
assertEquals(decimalFormat.format(999.0) + "B", ByteUtil.getHumanReadableByteCount(999));
assertEquals(decimalFormat.format(500.0) + "B", ByteUtil.getHumanReadableByteCount(500));
for (int i = 0, j = 3; i < 6; i++, j += 3) {
final long magnitude = (long) Math.pow(10, j);
assertEquals(decimalFormat.format(1.0) + suffixes[i] + "B", ByteUtil.getHumanReadableByteCount(magnitude));
assertEquals(decimalFormat.format(1.3) + suffixes[i] + "B", ByteUtil.getHumanReadableByteCount(magnitude + (long) (.25 * magnitude)));
assertEquals(decimalFormat.format(1.5) + suffixes[i] + "B", ByteUtil.getHumanReadableByteCount(magnitude + (long) (.5 * magnitude)));
assertEquals(decimalFormat.format(1.9) + suffixes[i] + "B", ByteUtil.getHumanReadableByteCount(magnitude + (long) (.9 * magnitude)));
assertEquals(decimalFormat.format(4.2) + suffixes[i] + "B", ByteUtil.getHumanReadableByteCount(magnitude + (long) (3.2 * magnitude)));
}
} finally {
// reset the default once the test is over
Locale.setDefault(defaultLocale);
}
}
}