/*
* Copyright 2008 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.gwt.i18n.client;
import com.google.gwt.junit.client.GWTTestCase;
import java.math.BigDecimal;
import java.math.BigInteger;
/**
* Test {@link NumberFormat} in the {@code en} locale.
*/
public class NumberFormat_en_Test extends GWTTestCase {
/**
* Must refer to a valid module that inherits from com.google.gwt.junit.JUnit.
*/
@Override
public String getModuleName() {
return "com.google.gwt.i18n.I18NTest_en";
}
public void testAPIs() {
NumberFormat formatter;
String str;
formatter = NumberFormat.getFormat("\u00a4#,###.000");
str = formatter.format(123456.7899);
assertEquals("$123,456.790", str);
formatter = NumberFormat.getFormat("\u00a4#,###.000", "BRL");
str = formatter.format(123456.7899);
assertEquals("R$123,456.790", str);
NumberFormat currencyFormat = NumberFormat.getCurrencyFormat();
str = currencyFormat.format(123456.7899);
assertEquals("$123,456.79", str);
formatter = NumberFormat.getFormat(currencyFormat.getPattern(), "BRL");
str = formatter.format(123456.7899);
assertEquals("R$123,456.79", str);
}
public void testBasicFormat() {
String str = NumberFormat.getFormat("0.0000").format(123.45789179565757f);
assertEquals("123.4579", str);
// tests for overflow of mantissa bits during formatting
// Low bits are not dependable across browsers, so use .41 instead of
// .5 and only one decimal digits.
str = NumberFormat.getFormat("#,##0.0").format(112589990684262.41);
assertEquals("112,589,990,684,262.4", str);
}
public void testBigDecimal() {
BigDecimal decVal = new BigDecimal("1000000000000000000000000");
String str = NumberFormat.getFormat("0.000").format(decVal);
assertEquals("1000000000000000000000000.000", str);
decVal = decVal.add(new BigDecimal(".1"));
str = NumberFormat.getFormat("#,##0.000").format(decVal);
assertEquals("1,000,000,000,000,000,000,000,000.100", str);
decVal = new BigDecimal(".1499999999999999999999");
str = NumberFormat.getFormat(".0").format(decVal);
assertEquals(".1", str);
}
public void testBigInteger() {
BigInteger intVal = new BigInteger("1000000000000000000000000");
String str = NumberFormat.getFormat("#,##0").format(intVal);
assertEquals("1,000,000,000,000,000,000,000,000", str);
intVal = intVal.add(BigInteger.ONE);
str = NumberFormat.getFormat("#,##0").format(intVal);
assertEquals("1,000,000,000,000,000,000,000,001", str);
}
public void testCurrency() {
String str;
str = NumberFormat.getFormat("\u00a4#,##0.00;-\u00a4#,##0.00").format(
1234.56);
assertEquals("$1,234.56", str);
str = NumberFormat.getFormat("\u00a4#,##0.00;-\u00a4#,##0.00").format(
-1234.56);
assertEquals("-$1,234.56", str);
str = NumberFormat.getFormat("\u00a4\u00a4 #,##0.00;-\u00a4\u00a4 #,##0.00").format(
1234.56);
assertEquals("USD 1,234.56", str);
str = NumberFormat.getFormat("\u00a4\u00a4 #,##0.00;\u00a4\u00a4 -#,##0.00").format(
-1234.56);
assertEquals("USD -1,234.56", str);
NumberFormat formatter = NumberFormat.getFormat(
"\u00a4#,##0.00;-\u00a4#,##0.00", "BRL");
str = formatter.format(1234.56);
assertEquals("R$1,234.56", str);
str = formatter.format(-1234.56);
assertEquals("-R$1,234.56", str);
formatter = NumberFormat.getFormat(
"\u00a4\u00a4 #,##0.00;(\u00a4\u00a4 #,##0.00)", "BRL");
str = formatter.format(1234.56);
assertEquals("BRL 1,234.56", str);
str = formatter.format(-1234.56);
assertEquals("(BRL 1,234.56)", str);
// Test using a deprecated currency.
formatter = NumberFormat.getCurrencyFormat("ITL");
str = formatter.format(1234.556);
assertEquals("IT₤1,235", str);
// Test simple currency formatting
str = NumberFormat.getSimpleCurrencyFormat().format(1234.75);
assertEquals("$1,234.75", str);
str = NumberFormat.getSimpleCurrencyFormat().format(-1234.75);
assertEquals("($1,234.75)", str);
str = NumberFormat.getSimpleCurrencyFormat("CAD").format(1234.75);
assertEquals("$1,234.75", str);
str = NumberFormat.getSimpleCurrencyFormat("AUD").format(1234.75);
assertEquals("$1,234.75", str);
str = NumberFormat.getSimpleCurrencyFormat("JPY").format(1234.75);
assertEquals("¥1,235", str);
str = NumberFormat.getSimpleCurrencyFormat("CNY").format(1234.75);
assertEquals("¥1,234.75", str);
// Test global currency formatting
str = NumberFormat.getGlobalCurrencyFormat().format(1234.75);
assertEquals("$1,234.75 USD", str);
str = NumberFormat.getGlobalCurrencyFormat().format(-1234.75);
assertEquals("($1,234.75) USD", str);
str = NumberFormat.getGlobalCurrencyFormat("CAD").format(1234.75);
assertEquals("$1,234.75 CAD", str);
str = NumberFormat.getGlobalCurrencyFormat("AUD").format(1234.75);
assertEquals("$1,234.75 AUD", str);
str = NumberFormat.getGlobalCurrencyFormat("JPY").format(1234.75);
assertEquals("¥1,235 JPY", str);
str = NumberFormat.getGlobalCurrencyFormat("CNY").format(1234.75);
assertEquals("¥1,234.75 CNY", str);
// Test overriding the number of fractional digits
formatter = NumberFormat.getCurrencyFormat("USD").overrideFractionDigits(0);
str = formatter.format(1234.556);
assertEquals("$1,235", str);
formatter = NumberFormat.getCurrencyFormat("USD").overrideFractionDigits(3, 4);
str = formatter.format(1234.556);
assertEquals("$1,234.556", str);
str = formatter.format(1234.55637);
assertEquals("$1,234.5564", str);
}
public void testExponential() {
String str;
str = NumberFormat.getFormat("0.####E0").format(0.01234);
assertEquals("1.234E-2", str);
str = NumberFormat.getFormat("00.000E00").format(0.01234);
assertEquals("12.340E-03", str);
str = NumberFormat.getFormat("##0.######E000").format(0.01234);
assertEquals("12.34E-003", str);
str = NumberFormat.getFormat("0.###E0;[0.###E0]").format(0.01234);
assertEquals("1.234E-2", str);
str = NumberFormat.getFormat("0.####E0").format(123456789);
assertEquals("1.2346E8", str);
str = NumberFormat.getFormat("00.000E00").format(123456789);
assertEquals("12.346E07", str);
str = NumberFormat.getFormat("##0.######E000").format(123456789);
assertEquals("123.456789E006", str);
str = NumberFormat.getFormat("0.###E0;[0.###E0]").format(123456789);
assertEquals("1.235E8", str);
str = NumberFormat.getFormat("0.####E0").format(1.23e300);
assertEquals("1.23E300", str);
str = NumberFormat.getFormat("00.000E00").format(1.23e300);
assertEquals("12.300E299", str);
str = NumberFormat.getFormat("##0.######E000").format(1.23e300);
assertEquals("1.23E300", str);
str = NumberFormat.getFormat("0.###E0;[0.###E0]").format(1.23e300);
assertEquals("1.23E300", str);
str = NumberFormat.getFormat("0.####E0").format(-3.141592653e-271);
assertEquals("-3.1416E-271", str);
str = NumberFormat.getFormat("00.000E00").format(-3.141592653e-271);
assertEquals("-31.416E-272", str);
str = NumberFormat.getFormat("##0.######E000").format(-3.141592653e-271);
assertEquals("-314.159265E-273", str);
str = NumberFormat.getFormat("0.###E0;[0.###E0]").format(-3.141592653e-271);
assertEquals("[3.142E-271]", str);
str = NumberFormat.getFormat("0.####E0").format(0);
assertEquals("0E0", str);
str = NumberFormat.getFormat("00.000E00").format(0);
assertEquals("00.000E00", str);
str = NumberFormat.getFormat("##0.######E000").format(0);
assertEquals("0E000", str);
str = NumberFormat.getFormat("0.###E0;[0.###E0]").format(0);
assertEquals("0E0", str);
str = NumberFormat.getFormat("0.####E0").format(-1);
assertEquals("-1E0", str);
str = NumberFormat.getFormat("00.000E00").format(-1);
assertEquals("-10.000E-01", str);
str = NumberFormat.getFormat("##0.######E000").format(-1);
assertEquals("-1E000", str);
str = NumberFormat.getFormat("0.###E0;[0.###E0]").format(-1);
assertEquals("[1E0]", str);
str = NumberFormat.getFormat("0.####E0").format(1);
assertEquals("1E0", str);
str = NumberFormat.getFormat("00.000E00").format(1);
assertEquals("10.000E-01", str);
str = NumberFormat.getFormat("##0.######E000").format(1);
assertEquals("1E000", str);
str = NumberFormat.getFormat("0.###E0;[0.###E0]").format(1);
assertEquals("1E0", str);
str = NumberFormat.getFormat("#E0").format(12345.0);
assertEquals("1E4", str);
str = NumberFormat.getFormat("0E0").format(12345.0);
assertEquals("1E4", str);
str = NumberFormat.getFormat("##0.###E0").format(12345.0);
assertEquals("12.345E3", str);
str = NumberFormat.getFormat("##0.###E0").format(12345.00001);
assertEquals("12.345E3", str);
str = NumberFormat.getFormat("##0.###E0").format(12345);
assertEquals("12.345E3", str);
str = NumberFormat.getFormat("##0.####E0").format(789.12346e-9);
assertEquals("789.1235E-9", str);
str = NumberFormat.getFormat("##0.####E0").format(780.e-9);
assertEquals("780E-9", str);
str = NumberFormat.getFormat(".###E0").format(45678.0);
assertEquals(".457E5", str);
str = NumberFormat.getFormat(".###E0").format(0);
assertEquals(".0E0", str);
str = NumberFormat.getFormat("#E0").format(45678000);
assertEquals("5E7", str);
str = NumberFormat.getFormat("##E0").format(45678000);
assertEquals("46E6", str);
str = NumberFormat.getFormat("####E0").format(45678000);
assertEquals("4568E4", str);
str = NumberFormat.getFormat("0E0").format(45678000);
assertEquals("5E7", str);
str = NumberFormat.getFormat("00E0").format(45678000);
assertEquals("46E6", str);
str = NumberFormat.getFormat("000E0").format(45678000);
assertEquals("457E5", str);
str = NumberFormat.getFormat("###E0").format(0.0000123);
assertEquals("12E-6", str);
str = NumberFormat.getFormat("###E0").format(0.000123);
assertEquals("123E-6", str);
str = NumberFormat.getFormat("###E0").format(0.00123);
assertEquals("1E-3", str);
str = NumberFormat.getFormat("###E0").format(0.0123);
assertEquals("12E-3", str);
str = NumberFormat.getFormat("###E0").format(0.123);
assertEquals("123E-3", str);
str = NumberFormat.getFormat("###E0").format(1.23);
assertEquals("1E0", str);
str = NumberFormat.getFormat("###E0").format(12.3);
assertEquals("12E0", str);
str = NumberFormat.getFormat("###E0").format(123.0);
assertEquals("123E0", str);
str = NumberFormat.getFormat("###E0").format(1230.0);
assertEquals("1E3", str);
}
public void testExponentParse() {
double value;
value = NumberFormat.getFormat("#E0").parse("1.234E3");
assertTrue(value == 1.234E+3);
value = NumberFormat.getFormat("0.###E0").parse("1.234E3");
assertTrue(value == 1.234E+3);
value = NumberFormat.getFormat("#E0").parse("1.2345E4");
assertTrue(value == 12345.0);
value = NumberFormat.getFormat("0E0").parse("1.2345E4");
assertTrue(value == 12345.0);
value = NumberFormat.getFormat("0E0").parse("1.2345E+4");
assertTrue(value == 12345.0);
}
public void testForceLatin() {
assertFalse(NumberFormat.forcedLatinDigits());
NumberFormat.setForcedLatinDigits(true);
assertTrue(NumberFormat.forcedLatinDigits());
NumberFormat decLatin = NumberFormat.getDecimalFormat();
assertEquals("1,003.14", decLatin.format(1003.14));
assertEquals("-1,003.14", decLatin.format(-1003.14));
NumberFormat.setForcedLatinDigits(false);
assertFalse(NumberFormat.forcedLatinDigits());
assertEquals("3.14", decLatin.format(3.14));
NumberFormat unforced = NumberFormat.getDecimalFormat();
assertEquals("3.14", unforced.format(3.14));
}
public void testGrouping() {
String str;
str = NumberFormat.getFormat("#,###").format(1234567890);
assertEquals("1,234,567,890", str);
str = NumberFormat.getFormat("#,####").format(1234567890);
assertEquals("12,3456,7890", str);
str = NumberFormat.getFormat("#").format(1234567890);
assertEquals("1234567890", str);
}
public void testIssue4598() {
String str = NumberFormat.getFormat("#,##0.######").format(1.3);
assertStartsWith("1.3", str);
}
public void testLargeNumber() {
// issue 4473
String str = NumberFormat.getFormat("0.00").format(
222222222222222222222222222222.0);
// we can't test the exact value, because different browsers round
// differently, so we just check the prefix and that it isn't in exponential
// format
assertStartsWith("22222222222", str);
assertTrue(str.indexOf('e') < 0);
}
// See external issue 3140
public void testLeadingZeros() {
String str;
str = NumberFormat.getFormat("0,000,000,000.#").format(123456789.489123);
assertEquals("0,123,456,789.5", str);
str = NumberFormat.getFormat("#,###.####").format(0.414014);
assertEquals("0.414", str); // why leading 0?
str = NumberFormat.getFormat("#.####").format(0.414014);
assertEquals("0.414", str); // why leading 0?
str = NumberFormat.getFormat("#.0###").format(0.414014);
assertEquals(".414", str);
str = NumberFormat.getFormat("0.0###").format(0.414014);
assertEquals("0.414", str);
str = NumberFormat.getFormat("0.####").format(0.414014);
assertEquals("0.414", str);
str = NumberFormat.getFormat("0.0000").format(0.414014);
assertEquals("0.4140", str);
str = NumberFormat.getFormat("#.0000").format(0.414014);
assertEquals(".4140", str);
}
public void testNegative() {
String str;
// verify default negative pattern
str = NumberFormat.getFormat("#,##0.0").format(-0.15);
assertEquals("-0.2", str);
str = NumberFormat.getFormat("#,##0.0%").format(-0.1534);
assertEquals("-15.3%", str);
str = NumberFormat.getFormat("X #,##0.0%").format(-0.1534);
assertEquals("-X 15.3%", str);
// verify we can specify percent/permille suffixes in both parts
str = NumberFormat.getFormat("#,##0.0%;#,##0.0%-").format(-0.152);
assertEquals("15.2%-", str);
str = NumberFormat.getFormat("#,##0.0\u2030;#,##0.0\u2030-").format(-0.152);
assertEquals("152.0\u2030-", str);
// verify negative portion is only used for prefix/suffix
str = NumberFormat.getFormat("#,##0.00;-# X").format(-1014.336);
assertEquals("-1,014.34 X", str);
}
public void testParseNotANumber() {
try {
NumberFormat.getDecimalFormat().parse("blue");
fail("Expected a NumberFormatException");
} catch (NumberFormatException e) {
assertEquals("blue", e.getMessage());
}
}
public void testPercent() {
String str;
str = NumberFormat.getFormat("###.###%").format(0.4857);
assertEquals("48.57%", str);
str = NumberFormat.getFormat("###.### %").format(0.4857);
assertEquals("48.57 %", str);
str = NumberFormat.getFormat("0.00%").format(0.485);
assertEquals("48.50%", str);
}
public void testPerMill() {
String str;
str = NumberFormat.getFormat("###.###\u2030").format(0.4857);
assertEquals("485.7\u2030", str);
}
public void testQuotes() {
String str;
str = NumberFormat.getFormat("a'fo''o'b#").format(123);
assertEquals("afo'ob123", str);
str = NumberFormat.getFormat("a''b#").format(123);
assertEquals("a'b123", str);
}
public void testRounding() {
String str;
str = NumberFormat.getFormat("#0.##").format(0.555);
assertEquals("0.56", str);
str = NumberFormat.getFormat("#.##").format(30.555);
assertEquals("30.56", str);
str = NumberFormat.getFormat("#.00").format(0.997);
assertEquals("1.00", str);
str = NumberFormat.getFormat("#.00").format(-0.997);
assertEquals("-1.00", str);
str = NumberFormat.getFormat("#.00").format(27.997);
assertEquals("28.00", str);
str = NumberFormat.getFormat("#.00").format(-27.997);
assertEquals("-28.00", str);
str = NumberFormat.getFormat("#0.00000").format(1.23456789E-03);
assertEquals("0.00123", str);
str = NumberFormat.getFormat("#0.0000000").format(1.23456789E-03);
assertEquals("0.0012346", str);
str = NumberFormat.getFormat("#0.0000").format(1.2E-03);
assertEquals("0.0012", str);
str = NumberFormat.getFormat("#0.000").format(1.2E-03);
assertEquals("0.001", str);
str = NumberFormat.getFormat("#0.00").format(1.2E-03);
assertEquals("0.00", str);
str = NumberFormat.getFormat("#0.0").format(1.2E-03);
assertEquals("0.0", str);
str = NumberFormat.getFormat("#0.00").format(11.2E-03);
assertEquals("0.01", str);
str = NumberFormat.getFormat("#0.00").format(111.2E-03);
assertEquals("0.11", str);
str = NumberFormat.getFormat("#0.00").format(1111.2E-03);
assertEquals("1.11", str);
str = NumberFormat.getFormat("#0.00000").format(1.23456789E-05);
assertEquals("0.00001", str);
str = NumberFormat.getFormat("#0.0000000").format(1.23456789E-05);
assertEquals("0.0000123", str);
str = NumberFormat.getFormat("#0.0000000").format(1.23756789E-05);
assertEquals("0.0000124", str);
str = NumberFormat.getFormat("#,##,###,##0.00000000000").format(111.18);
assertEquals("111.18000000000", str);
}
public void testStandardFormat() {
String str;
str = NumberFormat.getCurrencyFormat().format(1234.579);
assertEquals("$1,234.58", str);
str = NumberFormat.getDecimalFormat().format(1234.579);
assertEquals("1,234.579", str);
str = NumberFormat.getPercentFormat().format(1234.579);
assertEquals("123,458%", str);
str = NumberFormat.getScientificFormat().format(1234.579);
assertEquals("1E3", str);
}
public void testToScaledString() {
StringBuilder buf = new StringBuilder();
int scale = NumberFormat.toScaledString(buf, .1);
String str = buf.toString();
assertStartsWith("100", str.substring(str.length() + scale));
assertAllZeros(str, str.length() + scale);
buf = new StringBuilder();
scale = NumberFormat.toScaledString(buf, 12345e38);
str = buf.toString();
assertStartsWith("12345", str);
assertEquals(43, scale + str.length());
}
public void testZeros() {
String str;
str = NumberFormat.getFormat("#.#").format(0);
assertEquals("0", str);
str = NumberFormat.getFormat("#.").format(0);
assertEquals("0.", str);
str = NumberFormat.getFormat(".#").format(0);
assertEquals(".0", str);
str = NumberFormat.getFormat("#").format(0);
assertEquals("0", str);
str = NumberFormat.getFormat("#0.#").format(0);
assertEquals("0", str);
str = NumberFormat.getFormat("#0.").format(0);
assertEquals("0.", str);
str = NumberFormat.getFormat("#.0").format(0);
assertEquals(".0", str);
str = NumberFormat.getFormat("#").format(0);
assertEquals("0", str);
}
private void assertAllZeros(String str, int prefixLen) {
if (prefixLen > str.length()) {
prefixLen = str.length();
}
for (int i = 0; i < prefixLen; ++i) {
assertEquals('0', str.charAt(i));
}
}
private void assertStartsWith(String prefix, String str) {
assertTrue(str + " does not start with " + prefix, str.startsWith(prefix));
}
}