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ICU-10952 Add JAVA ScientificNumberFormatter class.

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X-SVN-Rev: 36749
This commit is contained in:
Travis Keep 2014-11-18 19:22:33 +00:00
parent 9dafb86e93
commit 83db643252
7 changed files with 450 additions and 183 deletions
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2
.gitattributes vendored
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@ -274,6 +274,7 @@ icu4j/main/classes/core/.settings/edu.umd.cs.findbugs.core.prefs -text
icu4j/main/classes/core/.settings/org.eclipse.core.resources.prefs -text
icu4j/main/classes/core/.settings/org.eclipse.jdt.core.prefs -text
icu4j/main/classes/core/manifest.stub -text
icu4j/main/classes/core/src/com/ibm/icu/text/ScientificNumberFormatter.java -text
icu4j/main/classes/currdata/.externalToolBuilders/copy-data-currdata.launch -text
icu4j/main/classes/currdata/.settings/org.eclipse.core.resources.prefs -text
icu4j/main/classes/currdata/.settings/org.eclipse.jdt.core.prefs -text
@ -334,6 +335,7 @@ icu4j/main/tests/core/manifest.stub -text
icu4j/main/tests/core/src/com/ibm/icu/dev/data/rbbi/english.dict -text
icu4j/main/tests/core/src/com/ibm/icu/dev/data/resources/testmessages.properties -text
icu4j/main/tests/core/src/com/ibm/icu/dev/data/thai6.ucs -text
icu4j/main/tests/core/src/com/ibm/icu/dev/test/format/ScientificNumberFormatterTest.java -text
icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_3.6/com.ibm.icu.impl.OlsonTimeZone.dat -text
icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_3.6/com.ibm.icu.impl.TimeZoneAdapter.dat -text
icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_3.6/com.ibm.icu.math.BigDecimal.dat -text

4
icu4j/main/classes/core/src/com/ibm/icu/text/DecimalFormat.java
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@ -1782,7 +1782,7 @@ public class DecimalFormat extends NumberFormat {
boolean negativeExponent = exponent < 0;
if (negativeExponent) {
exponent = -exponent;
result.append(symbols.getMinusSign());
result.append(symbols.getMinusString());
// [Spark/CDL] If exponent has sign, then add an exponent sign
// attribute.
if (parseAttr) {
@ -1790,7 +1790,7 @@ public class DecimalFormat extends NumberFormat {
addAttribute(Field.EXPONENT_SIGN, result.length() - 1, result.length());
}
} else if (exponentSignAlwaysShown) {
result.append(symbols.getPlusSign());
result.append(symbols.getPlusString());
// [Spark/CDL] Add an plus sign attribute.
if (parseAttr) {
// Length of exponent sign is 1.

175
icu4j/main/classes/core/src/com/ibm/icu/text/ScientificFormatHelper.java
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@ -7,11 +7,6 @@
package com.ibm.icu.text;
import java.text.AttributedCharacterIterator;
import java.text.AttributedCharacterIterator.Attribute;
import java.text.CharacterIterator;
import java.util.Map;
import com.ibm.icu.lang.UCharacter;
/**
* A helper class for formatting in user-friendly scientific notation.
@ -38,13 +33,6 @@ import com.ibm.icu.lang.UCharacter;
*/
public final class ScientificFormatHelper {
private static final char[] SUPERSCRIPT_DIGITS = {
0x2070, 0xB9, 0xB2, 0xB3, 0x2074, 0x2075, 0x2076, 0x2077, 0x2078, 0x2079
};
private static final char SUPERSCRIPT_PLUS_SIGN = 0x207A;
private static final char SUPERSCRIPT_MINUS_SIGN = 0x207B;
private final String preExponent;
private ScientificFormatHelper(String preExponent) {
@ -58,15 +46,7 @@ public final class ScientificFormatHelper {
* @provisional This API might change or be removed in a future release.
*/
public static ScientificFormatHelper getInstance(DecimalFormatSymbols dfs) {
StringBuilder preExponent = new StringBuilder();
preExponent.append(getMultiplicationSymbol(dfs));
char[] digits = dfs.getDigits();
preExponent.append(digits[1]).append(digits[0]);
return new ScientificFormatHelper(preExponent.toString());
}
private static String getMultiplicationSymbol(DecimalFormatSymbols dfs) {
return dfs.getExponentMultiplicationSign();
return new ScientificFormatHelper(ScientificNumberFormatter.getPreExponent(dfs));
}
/**
@ -83,61 +63,10 @@ public final class ScientificFormatHelper {
AttributedCharacterIterator iterator,
CharSequence beginMarkup,
CharSequence endMarkup) {
int copyFromOffset = 0;
StringBuilder result = new StringBuilder();
boolean exponentSymbolFieldPresent = false;
boolean exponentFieldPresent = false;
for (
iterator.first();
iterator.current() != CharacterIterator.DONE;
) {
Map<Attribute, Object> attributeSet = iterator.getAttributes();
if (attributeSet.containsKey(NumberFormat.Field.EXPONENT_SYMBOL)) {
exponentSymbolFieldPresent = true;
append(
return format(
iterator,
copyFromOffset,
iterator.getRunStart(NumberFormat.Field.EXPONENT_SYMBOL),
result);
copyFromOffset = iterator.getRunLimit(NumberFormat.Field.EXPONENT_SYMBOL);
iterator.setIndex(copyFromOffset);
result.append(preExponent);
result.append(beginMarkup);
} else if (attributeSet.containsKey(NumberFormat.Field.EXPONENT)) {
exponentFieldPresent = true;
int limit = iterator.getRunLimit(NumberFormat.Field.EXPONENT);
append(
iterator,
copyFromOffset,
limit,
result);
copyFromOffset = limit;
iterator.setIndex(copyFromOffset);
result.append(endMarkup);
} else {
iterator.next();
}
}
if (!exponentSymbolFieldPresent || !exponentFieldPresent) {
throw new IllegalArgumentException("Must start with standard e notation.");
}
append(iterator, copyFromOffset, iterator.getEndIndex(), result);
return result.toString();
}
private static void append(
AttributedCharacterIterator iterator,
int start,
int limit,
StringBuilder result) {
int oldIndex = iterator.getIndex();
iterator.setIndex(start);
for (int i = start; i < limit; i++) {
result.append(iterator.current());
iterator.next();
}
iterator.setIndex(oldIndex);
new ScientificNumberFormatter.MarkupStyle(
beginMarkup.toString(), endMarkup.toString()));
}
/**
@ -150,99 +79,11 @@ public final class ScientificFormatHelper {
* @provisional This API might change or be removed in a future release.
*/
public String toSuperscriptExponentDigits(AttributedCharacterIterator iterator) {
int copyFromOffset = 0;
StringBuilder result = new StringBuilder();
boolean exponentSymbolFieldPresent = false;
boolean exponentFieldPresent = false;
for (
iterator.first();
iterator.current() != CharacterIterator.DONE;
) {
Map<Attribute, Object> attributeSet = iterator.getAttributes();
if (attributeSet.containsKey(NumberFormat.Field.EXPONENT_SYMBOL)) {
exponentSymbolFieldPresent = true;
append(
iterator,
copyFromOffset,
iterator.getRunStart(NumberFormat.Field.EXPONENT_SYMBOL),
result);
copyFromOffset = iterator.getRunLimit(NumberFormat.Field.EXPONENT_SYMBOL);
iterator.setIndex(copyFromOffset);
result.append(preExponent);
} else if (attributeSet.containsKey(NumberFormat.Field.EXPONENT_SIGN)) {
int start = iterator.getRunStart(NumberFormat.Field.EXPONENT_SIGN);
int limit = iterator.getRunLimit(NumberFormat.Field.EXPONENT_SIGN);
int aChar = char32AtAndAdvance(iterator);
if (DecimalFormat.minusSigns.contains(aChar)) {
append(
iterator,
copyFromOffset,
start,
result);
result.append(SUPERSCRIPT_MINUS_SIGN);
} else if (DecimalFormat.plusSigns.contains(aChar)) {
append(
iterator,
copyFromOffset,
start,
result);
result.append(SUPERSCRIPT_PLUS_SIGN);
} else {
throw new IllegalArgumentException();
}
copyFromOffset = limit;
iterator.setIndex(copyFromOffset);
} else if (attributeSet.containsKey(NumberFormat.Field.EXPONENT)) {
exponentFieldPresent = true;
int start = iterator.getRunStart(NumberFormat.Field.EXPONENT);
int limit = iterator.getRunLimit(NumberFormat.Field.EXPONENT);
append(
iterator,
copyFromOffset,
start,
result);
copyAsSuperscript(iterator, start, limit, result);
copyFromOffset = limit;
iterator.setIndex(copyFromOffset);
} else {
iterator.next();
}
}
if (!exponentSymbolFieldPresent || !exponentFieldPresent) {
throw new IllegalArgumentException("Must start with standard e notation.");
}
append(iterator, copyFromOffset, iterator.getEndIndex(), result);
return result.toString();
return format(iterator, ScientificNumberFormatter.SUPER_SCRIPT);
}
private static void copyAsSuperscript(
AttributedCharacterIterator iterator, int start, int limit, StringBuilder result) {
int oldIndex = iterator.getIndex();
iterator.setIndex(start);
while (iterator.getIndex() < limit) {
int aChar = char32AtAndAdvance(iterator);
int digit = UCharacter.digit(aChar);
if (digit < 0) {
throw new IllegalArgumentException();
private String format(
AttributedCharacterIterator iterator, ScientificNumberFormatter.Style option) {
return option.format(iterator, preExponent);
}
result.append(SUPERSCRIPT_DIGITS[digit]);
}
iterator.setIndex(oldIndex);
}
private static int char32AtAndAdvance(AttributedCharacterIterator iterator) {
char c1 = iterator.current();
iterator.next();
if (UCharacter.isHighSurrogate(c1)) {
char c2 = iterator.current();
if (c2 != CharacterIterator.DONE) {
if (UCharacter.isLowSurrogate(c2)) {
iterator.next();
return UCharacter.toCodePoint(c1, c2);
}
}
}
return c1;
}
}

342
icu4j/main/classes/core/src/com/ibm/icu/text/ScientificNumberFormatter.java Normal file
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@ -0,0 +1,342 @@
/*
*******************************************************************************
* Copyright (C) 2014, International Business Machines Corporation and
* others. All Rights Reserved.
*******************************************************************************
*/
package com.ibm.icu.text;
import java.text.AttributedCharacterIterator;
import java.text.CharacterIterator;
import java.text.AttributedCharacterIterator.Attribute;
import java.util.Map;
import com.ibm.icu.lang.UCharacter;
import com.ibm.icu.util.ULocale;
/**
*A formatter that formats numbers in user-friendly scientific notation.
*
* ScientificNumberFormatter instances are immutable and thread-safe.
*
* Sample code:
* <pre>
* ULocale en = new ULocale("en");
* ScientificNumberFormatter fmt = ScientificNumberFormatter.getMarkupInstance(
* en, "<sup>", "</sup>");
* <pre>
* // Output: "1.23456×10<sup>-78</sup>"
* System.out.println(fmt.format(1.23456e-78));
* </pre>
*
* @draft ICU 55
* @provisional This API might change or be removed in a future release.
*
*/
public final class ScientificNumberFormatter {
private final String preExponent;
private final DecimalFormat fmt;
private final Style style;
/**
* Gets a ScientificNumberFormatter instance that uses
* superscript characters for exponents for this locale.
* @param locale The locale
* @return The ScientificNumberFormatter instance.
*
* @draft ICU 55
* @provisional This API might change or be removed in a future release.
*/
public static ScientificNumberFormatter getSuperscriptInstance(ULocale locale) {
return getInstanceForLocale(locale, SUPER_SCRIPT);
}
/**
* Gets a ScientificNumberFormatter instance that uses
* superscript characters for exponents.
* @param df The DecimalFormat must be configured for scientific
* notation. Caller may safely change df after this call as this method
* clones it when creating the ScientificNumberFormatter.
* @return the ScientificNumberFormatter instance.
*
* @draft ICU 55
* @provisional This API might change or be removed in a future release.
*/
public static ScientificNumberFormatter getSuperscriptInstance(
DecimalFormat df) {
return getInstance(df, SUPER_SCRIPT);
}
/**
* Gets a ScientificNumberFormatter instance that uses
* markup for exponents for this locale.
* @param locale The locale
* @param beginMarkup the markup to start superscript e.g {@code <sup>}
* @param endMarkup the markup to end superscript e.g {@code </sup>}
* @return The ScientificNumberFormatter instance.
*
* @draft ICU 55
* @provisional This API might change or be removed in a future release.
*/
public static ScientificNumberFormatter getMarkupInstance(
ULocale locale,
String beginMarkup,
String endMarkup) {
return getInstanceForLocale(
locale, new MarkupStyle(beginMarkup, endMarkup));
}
/**
* Gets a ScientificNumberFormatter instance that uses
* markup for exponents.
* @param df The DecimalFormat must be configured for scientific
* notation. Caller may safely change df after this call as this method
* clones it when creating the ScientificNumberFormatter.
* @param beginMarkup the markup to start superscript e.g {@code <sup>}
* @param endMarkup the markup to end superscript e.g {@code </sup>}
* @return The ScientificNumberFormatter instance.
*
* @draft ICU 55
* @provisional This API might change or be removed in a future release.
*/
public static ScientificNumberFormatter getMarkupInstance(
DecimalFormat df,
String beginMarkup,
String endMarkup) {
return getInstance(
df, new MarkupStyle(beginMarkup, endMarkup));
}
/**
* Formats a number
* @param number Can be a double, int, Number or
* anything that DecimalFormat#format(Object) accepts.
* @return the formatted string.
*
* @draft ICU 55
* @provisional This API might change or be removed in a future release.
*/
public String format(Object number) {
synchronized (fmt) {
return style.format(
fmt.formatToCharacterIterator(number),
preExponent);
}
}
/**
* A style type for ScientificNumberFormatter. All Style instances are immutable
* and thread-safe.
* TODO: Make private once ScientificFormatHelper is deleted.
*/
static abstract class Style {
abstract String format(
AttributedCharacterIterator iterator,
String preExponent); // '* 10^'
static void append(
AttributedCharacterIterator iterator,
int start,
int limit,
StringBuilder result) {
int oldIndex = iterator.getIndex();
iterator.setIndex(start);
for (int i = start; i < limit; i++) {
result.append(iterator.current());
iterator.next();
}
iterator.setIndex(oldIndex);
}
}
// TODO: make private
static class MarkupStyle extends Style {
private final String beginMarkup;
private final String endMarkup;
MarkupStyle(String beginMarkup, String endMarkup) {
this.beginMarkup = beginMarkup;
this.endMarkup = endMarkup;
}
@Override
String format(
AttributedCharacterIterator iterator,
String preExponent) {
int copyFromOffset = 0;
StringBuilder result = new StringBuilder();
for (
iterator.first();
iterator.current() != CharacterIterator.DONE;
) {
Map<Attribute, Object> attributeSet = iterator.getAttributes();
if (attributeSet.containsKey(NumberFormat.Field.EXPONENT_SYMBOL)) {
append(
iterator,
copyFromOffset,
iterator.getRunStart(NumberFormat.Field.EXPONENT_SYMBOL),
result);
copyFromOffset = iterator.getRunLimit(NumberFormat.Field.EXPONENT_SYMBOL);
iterator.setIndex(copyFromOffset);
result.append(preExponent);
result.append(beginMarkup);
} else if (attributeSet.containsKey(NumberFormat.Field.EXPONENT)) {
int limit = iterator.getRunLimit(NumberFormat.Field.EXPONENT);
append(
iterator,
copyFromOffset,
limit,
result);
copyFromOffset = limit;
iterator.setIndex(copyFromOffset);
result.append(endMarkup);
} else {
iterator.next();
}
}
append(iterator, copyFromOffset, iterator.getEndIndex(), result);
return result.toString();
}
}
// TODO: Make private
static class SuperscriptStyle extends Style {
private static final char[] SUPERSCRIPT_DIGITS = {
0x2070, 0xB9, 0xB2, 0xB3, 0x2074, 0x2075, 0x2076, 0x2077, 0x2078, 0x2079
};
private static final char SUPERSCRIPT_PLUS_SIGN = 0x207A;
private static final char SUPERSCRIPT_MINUS_SIGN = 0x207B;
@Override
String format(
AttributedCharacterIterator iterator,
String preExponent) {
int copyFromOffset = 0;
StringBuilder result = new StringBuilder();
for (
iterator.first();
iterator.current() != CharacterIterator.DONE;
) {
Map<Attribute, Object> attributeSet = iterator.getAttributes();
if (attributeSet.containsKey(NumberFormat.Field.EXPONENT_SYMBOL)) {
append(
iterator,
copyFromOffset,
iterator.getRunStart(NumberFormat.Field.EXPONENT_SYMBOL),
result);
copyFromOffset = iterator.getRunLimit(NumberFormat.Field.EXPONENT_SYMBOL);
iterator.setIndex(copyFromOffset);
result.append(preExponent);
} else if (attributeSet.containsKey(NumberFormat.Field.EXPONENT_SIGN)) {
int start = iterator.getRunStart(NumberFormat.Field.EXPONENT_SIGN);
int limit = iterator.getRunLimit(NumberFormat.Field.EXPONENT_SIGN);
int aChar = char32AtAndAdvance(iterator);
if (DecimalFormat.minusSigns.contains(aChar)) {
append(
iterator,
copyFromOffset,
start,
result);
result.append(SUPERSCRIPT_MINUS_SIGN);
} else if (DecimalFormat.plusSigns.contains(aChar)) {
append(
iterator,
copyFromOffset,
start,
result);
result.append(SUPERSCRIPT_PLUS_SIGN);
} else {
throw new IllegalArgumentException();
}
copyFromOffset = limit;
iterator.setIndex(copyFromOffset);
} else if (attributeSet.containsKey(NumberFormat.Field.EXPONENT)) {
int start = iterator.getRunStart(NumberFormat.Field.EXPONENT);
int limit = iterator.getRunLimit(NumberFormat.Field.EXPONENT);
append(
iterator,
copyFromOffset,
start,
result);
copyAsSuperscript(iterator, start, limit, result);
copyFromOffset = limit;
iterator.setIndex(copyFromOffset);
} else {
iterator.next();
}
}
append(iterator, copyFromOffset, iterator.getEndIndex(), result);
return result.toString();
}
private static void copyAsSuperscript(
AttributedCharacterIterator iterator, int start, int limit, StringBuilder result) {
int oldIndex = iterator.getIndex();
iterator.setIndex(start);
while (iterator.getIndex() < limit) {
int aChar = char32AtAndAdvance(iterator);
int digit = UCharacter.digit(aChar);
if (digit < 0) {
throw new IllegalArgumentException();
}
result.append(SUPERSCRIPT_DIGITS[digit]);
}
iterator.setIndex(oldIndex);
}
private static int char32AtAndAdvance(AttributedCharacterIterator iterator) {
char c1 = iterator.current();
char c2 = iterator.next();
if (UCharacter.isHighSurrogate(c1)) {
// If c2 is DONE, it will fail the low surrogate test and we
// skip this block.
if (UCharacter.isLowSurrogate(c2)) {
iterator.next();
return UCharacter.toCodePoint(c1, c2);
}
}
return c1;
}
}
static String getPreExponent(DecimalFormatSymbols dfs) {
StringBuilder preExponent = new StringBuilder();
preExponent.append(dfs.getExponentMultiplicationSign());
char[] digits = dfs.getDigits();
preExponent.append(digits[1]).append(digits[0]);
return preExponent.toString();
}
static ScientificNumberFormatter getInstance(
DecimalFormat decimalFormat, Style style) {
DecimalFormatSymbols dfs = decimalFormat.getDecimalFormatSymbols();
return new ScientificNumberFormatter(
(DecimalFormat) decimalFormat.clone(), getPreExponent(dfs), style);
}
static ScientificNumberFormatter getInstanceForLocale(
ULocale locale, Style style) {
DecimalFormat decimalFormat =
(DecimalFormat) DecimalFormat.getScientificInstance(locale);
return new ScientificNumberFormatter(
decimalFormat,
getPreExponent(decimalFormat.getDecimalFormatSymbols()),
style);
}
static final Style SUPER_SCRIPT = new SuperscriptStyle();
private ScientificNumberFormatter(
DecimalFormat decimalFormat, String preExponent, Style style) {
this.fmt = decimalFormat;
this.preExponent = preExponent;
this.style = style;
}
}

14
icu4j/main/tests/core/src/com/ibm/icu/dev/test/format/ScientificFormatHelperTest.java
View File

@ -69,12 +69,7 @@ public class ScientificFormatHelperTest extends TestFmwk {
AttributedCharacterIterator iterator = decfmt.formatToCharacterIterator(123456.0);
ScientificFormatHelper helper = ScientificFormatHelper.getInstance(
decfmt.getDecimalFormatSymbols());
try {
helper.insertMarkup(iterator, "<sup>", "</sup>");
fail("expected illegal argument exception");
} catch (IllegalArgumentException expected) {
// do nothing
}
assertEquals("", "123,456", helper.insertMarkup(iterator, "<sup>", "</sup>"));
}
public void TestFixedDecimalSuperscript() {
@ -83,11 +78,6 @@ public class ScientificFormatHelperTest extends TestFmwk {
AttributedCharacterIterator iterator = decfmt.formatToCharacterIterator(123456.0);
ScientificFormatHelper helper = ScientificFormatHelper.getInstance(
decfmt.getDecimalFormatSymbols());
try {
helper.toSuperscriptExponentDigits(iterator);
fail("expected illegal argument exception");
} catch (IllegalArgumentException expected) {
// do nothing
}
assertEquals("", "123,456", helper.toSuperscriptExponentDigits(iterator));
}
}

91
icu4j/main/tests/core/src/com/ibm/icu/dev/test/format/ScientificNumberFormatterTest.java Normal file
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@ -0,0 +1,91 @@
/*
*******************************************************************************
* Copyright (C) 2014, International Business Machines Corporation and *
* others. All Rights Reserved. *
*******************************************************************************
*/
package com.ibm.icu.dev.test.format;
import com.ibm.icu.dev.test.TestFmwk;
import com.ibm.icu.text.DecimalFormat;
import com.ibm.icu.text.NumberFormat;
import com.ibm.icu.text.ScientificNumberFormatter;
import com.ibm.icu.util.ULocale;
/**
* @author rocketman
*
*/
public class ScientificNumberFormatterTest extends TestFmwk {
public static void main(String[] args) throws Exception {
new ScientificNumberFormatterTest().run(args);
}
public void TestBasic() {
ScientificNumberFormatter markup = ScientificNumberFormatter.getMarkupInstance(
ULocale.ENGLISH, "<sup>", "</sup>");
ScientificNumberFormatter superscript = ScientificNumberFormatter.getSuperscriptInstance(ULocale.ENGLISH);
assertEquals(
"toMarkupExponentDigits",
"1.23456×10<sup>-78</sup>",
markup.format(1.23456e-78));
assertEquals(
"toSuperscriptExponentDigits",
"1.23456×10⁻⁷⁸",
superscript.format(1.23456e-78));
}
public void TestFarsi() {
ScientificNumberFormatter fmt = ScientificNumberFormatter.getMarkupInstance(
new ULocale("fa"), "<sup>", "</sup>");
assertEquals(
"",
"۱٫۲۳۴۵۶×۱۰<sup>‎−۷۸</sup>",
fmt.format(1.23456e-78));
}
public void TestPlusSignInExponentMarkup() {
DecimalFormat decfmt = (DecimalFormat) NumberFormat.getScientificInstance(ULocale.ENGLISH);
decfmt.applyPattern("0.00E+0");
ScientificNumberFormatter fmt = ScientificNumberFormatter.getMarkupInstance(
decfmt, "<sup>", "</sup>");
assertEquals(
"",
"6.02×10<sup>+23</sup>",
fmt.format(6.02e23));
}
public void TestPlusSignInExponentSuperscript() {
DecimalFormat decfmt = (DecimalFormat) NumberFormat.getScientificInstance(ULocale.ENGLISH);
decfmt.applyPattern("0.00E+0");
ScientificNumberFormatter fmt = ScientificNumberFormatter.getSuperscriptInstance(
decfmt);
assertEquals(
"",
"6.02×10⁺²³",
fmt.format(6.02e23));
}
public void TestFixedDecimalMarkup() {
DecimalFormat decfmt = (DecimalFormat) NumberFormat.getInstance(ULocale.ENGLISH);
ScientificNumberFormatter fmt = ScientificNumberFormatter.getMarkupInstance(
decfmt, "<sup>", "</sup>");
assertEquals(
"",
"123,456",
fmt.format(123456.0));
}
public void TestFixedDecimalSuperscript() {
DecimalFormat decfmt = (DecimalFormat) NumberFormat.getInstance(ULocale.ENGLISH);
ScientificNumberFormatter fmt = ScientificNumberFormatter.getSuperscriptInstance(decfmt);
assertEquals(
"",
"123,456",
fmt.format(123456.0));
}
}

1
icu4j/main/tests/core/src/com/ibm/icu/dev/test/format/TestAll.java
View File

@ -60,6 +60,7 @@ public class TestAll extends TestGroup {
"NumberRegression",
"NumberFormatRegressionTest",
"ScientificFormatHelperTest",
"ScientificNumberFormatterTest",
"IntlTestDecimalFormatAPI",
"IntlTestDecimalFormatAPIC",
"IntlTestDecimalFormatSymbols",