249 lines
9.5 KiB
Java
249 lines
9.5 KiB
Java
/*
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* Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 4838107 8008577
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* @summary Confirm that DecimalFormat can format a number with negative exponent number correctly.
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* @library /java/text/testlib
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* @run main/othervm -Djava.locale.providers=COMPAT,SPI Bug4838107
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*/
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import java.math.*;
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import java.util.*;
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import java.text.*;
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public class Bug4838107 extends IntlTest {
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static DecimalFormat df;
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static DecimalFormatSymbols dfs;
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static boolean err = false;
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static public void main(String[] args) {
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Locale defaultLoc = Locale.getDefault();
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Locale.setDefault(Locale.US);
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/**
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* This bug is about exponential formatting. But I added test cases for:
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* - Double and BigDecimal numbers which don't have exponent parts.
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* - Long and BigInteger numbers which don't support exponential
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* notation.
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* because there are few test cases for suffix and prefix.
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* And also, I added test cases to guarantee further formatting and
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* parsing using the same DecimalFormat instance will not change the
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* Number's value anymore.
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*/
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test_double();
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test_long();
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test_BigDecimal();
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test_BigInteger();
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Locale.setDefault(defaultLoc);
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if (err) {
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throw new RuntimeException("Wrong format with DecimalFormat");
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}
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}
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static void test_double() {
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df = new DecimalFormat();
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dfs = df.getDecimalFormatSymbols();
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/* Test with default pattern */
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test(1234D, "1,234");
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test(0.1234, "0.123"); // rounded
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test(-1234D, "-1,234");
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test(-0.1234, "-0.123"); // rounded
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test(Double.POSITIVE_INFINITY, "\u221e");
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test(Double.NEGATIVE_INFINITY, "-\u221e");
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test(Double.NaN, "\ufffd"); // without prefix and suffix
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test(0.0, "0");
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test(-0.0, "-0"); // with the minus sign
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/* Specify a pattern and the minus sign. */
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prepareFormatter("<P>#.###E00<S>", 'm');
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test(1234D, "<P>1.234E03<S>");
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test(0.1234, "<P>1.234Em01<S>");
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test(-1234D, "m<P>1.234E03<S>");
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test(-0.1234, "m<P>1.234Em01<S>");
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prepareFormatter("<P>#.###E00<S>;#.###E00", 'm');
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test(1234D, "<P>1.234E03<S>");
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test(0.1234, "<P>1.234Em01<S>");
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test(-1234D, "1.234E03");
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test(-0.1234, "1.234Em01");
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prepareFormatter("#.###E00;<P>#.###E00<S>", 'm');
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test(1234D, "1.234E03");
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test(0.1234, "1.234Em01");
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test(-1234D, "<P>1.234E03<S>");
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test(-0.1234, "<P>1.234Em01<S>");
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prepareFormatter("<P>#.###E00<S>;<p>-#.###E00<s>", 'm');
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test(1234D, "<P>1.234E03<S>");
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test(0.1234, "<P>1.234Em01<S>");
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test(-1234D, "<p>m1.234E03<s>");
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test(-0.1234, "<p>m1.234Em01<s>");
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test(Double.POSITIVE_INFINITY, "<P>\u221e<S>");
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test(Double.NEGATIVE_INFINITY, "<p>m\u221e<s>");
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test(Double.NaN, "\ufffd"); // without prefix and suffix
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test(0.0, "<P>0E00<S>");
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test(-0.0, "<p>m0E00<s>"); // with the minus sign
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}
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static void test_BigDecimal() {
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df = new DecimalFormat();
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dfs = df.getDecimalFormatSymbols();
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/* Test with default pattern */
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test(new BigDecimal("123456789012345678901234567890"),
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"123,456,789,012,345,678,901,234,567,890");
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test(new BigDecimal("0.000000000123456789012345678901234567890"),
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"0");
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test(new BigDecimal("-123456789012345678901234567890"),
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"-123,456,789,012,345,678,901,234,567,890");
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test(new BigDecimal("-0.000000000123456789012345678901234567890"),
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"-0");
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test(new BigDecimal("0"), "0");
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test(new BigDecimal("-0"), "0");
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/* Specify a pattern and the minus sign. */
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prepareFormatter("<P>#.####################E00<S>;<p>-#.####################E00<s>", 'm');
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test(new BigDecimal("123456789012345678901234567890"),
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"<P>1.23456789012345678901E29<S>");
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test(new BigDecimal("0.000000000123456789012345678901234567890"),
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"<P>1.23456789012345678901Em10<S>");
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test(new BigDecimal("-123456789012345678901234567890"),
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"<p>m1.23456789012345678901E29<s>");
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test(new BigDecimal("-0.000000000123456789012345678901234567890"),
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"<p>m1.23456789012345678901Em10<s>");
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test(new BigDecimal("0"), "<P>0E00<S>");
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test(new BigDecimal("-0"), "<P>0E00<S>");
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}
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static void test_long() {
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df = new DecimalFormat();
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dfs = df.getDecimalFormatSymbols();
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/* Test with default pattern */
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test(123456789L, "123,456,789");
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test(-123456789L, "-123,456,789");
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test(0L, "0");
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test(-0L, "0");
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/* Specify a pattern and the minus sign. */
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prepareFormatter("<P>#,###<S>;<p>-#,###<s>", 'm');
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test(123456789L, "<P>123,456,789<S>");
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test(-123456789L, "<p>m123,456,789<s>");
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test(0L, "<P>0<S>");
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test(-0L, "<P>0<S>");
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}
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static void test_BigInteger() {
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df = new DecimalFormat();
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dfs = df.getDecimalFormatSymbols();
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/* Test with default pattern */
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test(new BigInteger("123456789012345678901234567890"),
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"123,456,789,012,345,678,901,234,567,890");
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test(new BigInteger("-123456789012345678901234567890"),
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"-123,456,789,012,345,678,901,234,567,890");
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test(new BigInteger("0"), "0");
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test(new BigInteger("-0"), "0");
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/* Specify a pattern and the minus sign. */
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prepareFormatter("<P>#,###<S>;<p>-#,###<s>", 'm');
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test(new BigInteger("123456789012345678901234567890"),
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"<P>123,456,789,012,345,678,901,234,567,890<S>");
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test(new BigInteger("-123456789012345678901234567890"),
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"<p>m123,456,789,012,345,678,901,234,567,890<s>");
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test(new BigInteger("0"), "<P>0<S>");
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test(new BigInteger("-0"), "<P>0<S>");
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}
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static void prepareFormatter(String pattern, char minusSign) {
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dfs = df.getDecimalFormatSymbols();
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df.applyPattern(pattern);
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dfs.setMinusSign(minusSign);
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df.setDecimalFormatSymbols(dfs);
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}
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static void test(Number num, String str) {
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String formatted = df.format(num);
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if (!formatted.equals(str)) {
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err = true;
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System.err.println(" DecimalFormat format(" +
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num.getClass().getName() +
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") error: \n\tnumber: " + num +
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"\n\tminus sign: " + dfs.getMinusSign() +
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"\n\tgot: " + formatted +
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"\n\texpected: " + str);
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return;
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}
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if (num instanceof BigDecimal || num instanceof BigInteger) {
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df.setParseBigDecimal(true);
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}
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Number parsed1 = null, parsed2 = null;
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try {
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parsed1 = df.parse(formatted);
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formatted = df.format(parsed1);
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parsed2 = df.parse(formatted);
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if (!parsed1.equals(parsed2)) {
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err = true;
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System.err.println(" DecimalFormat roundtrip parse(" +
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num.getClass().getName() +
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") error: \n\toriginal number: " + str +
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"\n\tparsed number: " + parsed1 +
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" (" + parsed1.getClass().getName() + ")" +
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"\n\tformatted number: " + formatted +
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"\n\tre-parsed number: " + parsed2 +
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" (" + parsed2.getClass().getName() + ")" +
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"\n\tminus sign: " + dfs.getMinusSign());
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}
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}
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catch (Exception e) {
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err = true;
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System.err.println(" DecimalFormat parse(" +
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num.getClass().getName() +
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") threw an Exception: " + e.getMessage() +
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"\n\toriginal number: " + str +
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"\n\tparsed number : " + parsed1 +
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" (" + parsed1.getClass().getName() + ")" +
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"\n\tformatted number: " + formatted +
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"\n\tre-parsed number: " + parsed2 +
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" (" + parsed2.getClass().getName() + ")" +
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"\n\tminus sign: " + dfs.getMinusSign());
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}
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}
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}
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