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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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*
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* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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*/
/*
* @test
* @bug 4838107 8008577
* @summary Confirm that DecimalFormat can format a number with negative exponent number correctly.
* @library /java/text/testlib
* @run main/othervm -Djava.locale.providers=COMPAT,SPI Bug4838107
*/
import java.math.*;
import java.util.*;
import java.text.*;
public class Bug4838107 extends IntlTest {
static DecimalFormat df;
static DecimalFormatSymbols dfs;
static boolean err = false;
static public void main(String[] args) {
Locale defaultLoc = Locale.getDefault();
Locale.setDefault(Locale.US);
/**
* This bug is about exponential formatting. But I added test cases for:
* - Double and BigDecimal numbers which don't have exponent parts.
* - Long and BigInteger numbers which don't support exponential
* notation.
* because there are few test cases for suffix and prefix.
* And also, I added test cases to guarantee further formatting and
* parsing using the same DecimalFormat instance will not change the
* Number's value anymore.
*/
test_double();
test_long();
test_BigDecimal();
test_BigInteger();
Locale.setDefault(defaultLoc);
if (err) {
throw new RuntimeException("Wrong format with DecimalFormat");
}
}
static void test_double() {
df = new DecimalFormat();
dfs = df.getDecimalFormatSymbols();
/* Test with default pattern */
test(1234D, "1,234");
test(0.1234, "0.123"); // rounded
test(-1234D, "-1,234");
test(-0.1234, "-0.123"); // rounded
test(Double.POSITIVE_INFINITY, "\u221e");
test(Double.NEGATIVE_INFINITY, "-\u221e");
test(Double.NaN, "\ufffd"); // without prefix and suffix
test(0.0, "0");
test(-0.0, "-0"); // with the minus sign
/* Specify a pattern and the minus sign. */
prepareFormatter("<P>#.###E00<S>", 'm');
test(1234D, "<P>1.234E03<S>");
test(0.1234, "<P>1.234Em01<S>");
test(-1234D, "m<P>1.234E03<S>");
test(-0.1234, "m<P>1.234Em01<S>");
prepareFormatter("<P>#.###E00<S>;#.###E00", 'm');
test(1234D, "<P>1.234E03<S>");
test(0.1234, "<P>1.234Em01<S>");
test(-1234D, "1.234E03");
test(-0.1234, "1.234Em01");
prepareFormatter("#.###E00;<P>#.###E00<S>", 'm');
test(1234D, "1.234E03");
test(0.1234, "1.234Em01");
test(-1234D, "<P>1.234E03<S>");
test(-0.1234, "<P>1.234Em01<S>");
prepareFormatter("<P>#.###E00<S>;<p>-#.###E00<s>", 'm');
test(1234D, "<P>1.234E03<S>");
test(0.1234, "<P>1.234Em01<S>");
test(-1234D, "<p>m1.234E03<s>");
test(-0.1234, "<p>m1.234Em01<s>");
test(Double.POSITIVE_INFINITY, "<P>\u221e<S>");
test(Double.NEGATIVE_INFINITY, "<p>m\u221e<s>");
test(Double.NaN, "\ufffd"); // without prefix and suffix
test(0.0, "<P>0E00<S>");
test(-0.0, "<p>m0E00<s>"); // with the minus sign
}
static void test_BigDecimal() {
df = new DecimalFormat();
dfs = df.getDecimalFormatSymbols();
/* Test with default pattern */
test(new BigDecimal("123456789012345678901234567890"),
"123,456,789,012,345,678,901,234,567,890");
test(new BigDecimal("0.000000000123456789012345678901234567890"),
"0");
test(new BigDecimal("-123456789012345678901234567890"),
"-123,456,789,012,345,678,901,234,567,890");
test(new BigDecimal("-0.000000000123456789012345678901234567890"),
"-0");
test(new BigDecimal("0"), "0");
test(new BigDecimal("-0"), "0");
/* Specify a pattern and the minus sign. */
prepareFormatter("<P>#.####################E00<S>;<p>-#.####################E00<s>", 'm');
test(new BigDecimal("123456789012345678901234567890"),
"<P>1.23456789012345678901E29<S>");
test(new BigDecimal("0.000000000123456789012345678901234567890"),
"<P>1.23456789012345678901Em10<S>");
test(new BigDecimal("-123456789012345678901234567890"),
"<p>m1.23456789012345678901E29<s>");
test(new BigDecimal("-0.000000000123456789012345678901234567890"),
"<p>m1.23456789012345678901Em10<s>");
test(new BigDecimal("0"), "<P>0E00<S>");
test(new BigDecimal("-0"), "<P>0E00<S>");
}
static void test_long() {
df = new DecimalFormat();
dfs = df.getDecimalFormatSymbols();
/* Test with default pattern */
test(123456789L, "123,456,789");
test(-123456789L, "-123,456,789");
test(0L, "0");
test(-0L, "0");
/* Specify a pattern and the minus sign. */
prepareFormatter("<P>#,###<S>;<p>-#,###<s>", 'm');
test(123456789L, "<P>123,456,789<S>");
test(-123456789L, "<p>m123,456,789<s>");
test(0L, "<P>0<S>");
test(-0L, "<P>0<S>");
}
static void test_BigInteger() {
df = new DecimalFormat();
dfs = df.getDecimalFormatSymbols();
/* Test with default pattern */
test(new BigInteger("123456789012345678901234567890"),
"123,456,789,012,345,678,901,234,567,890");
test(new BigInteger("-123456789012345678901234567890"),
"-123,456,789,012,345,678,901,234,567,890");
test(new BigInteger("0"), "0");
test(new BigInteger("-0"), "0");
/* Specify a pattern and the minus sign. */
prepareFormatter("<P>#,###<S>;<p>-#,###<s>", 'm');
test(new BigInteger("123456789012345678901234567890"),
"<P>123,456,789,012,345,678,901,234,567,890<S>");
test(new BigInteger("-123456789012345678901234567890"),
"<p>m123,456,789,012,345,678,901,234,567,890<s>");
test(new BigInteger("0"), "<P>0<S>");
test(new BigInteger("-0"), "<P>0<S>");
}
static void prepareFormatter(String pattern, char minusSign) {
dfs = df.getDecimalFormatSymbols();
df.applyPattern(pattern);
dfs.setMinusSign(minusSign);
df.setDecimalFormatSymbols(dfs);
}
static void test(Number num, String str) {
String formatted = df.format(num);
if (!formatted.equals(str)) {
err = true;
System.err.println(" DecimalFormat format(" +
num.getClass().getName() +
") error: \n\tnumber: " + num +
"\n\tminus sign: " + dfs.getMinusSign() +
"\n\tgot: " + formatted +
"\n\texpected: " + str);
return;
}
if (num instanceof BigDecimal || num instanceof BigInteger) {
df.setParseBigDecimal(true);
}
Number parsed1 = null, parsed2 = null;
try {
parsed1 = df.parse(formatted);
formatted = df.format(parsed1);
parsed2 = df.parse(formatted);
if (!parsed1.equals(parsed2)) {
err = true;
System.err.println(" DecimalFormat roundtrip parse(" +
num.getClass().getName() +
") error: \n\toriginal number: " + str +
"\n\tparsed number: " + parsed1 +
" (" + parsed1.getClass().getName() + ")" +
"\n\tformatted number: " + formatted +
"\n\tre-parsed number: " + parsed2 +
" (" + parsed2.getClass().getName() + ")" +
"\n\tminus sign: " + dfs.getMinusSign());
}
}
catch (Exception e) {
err = true;
System.err.println(" DecimalFormat parse(" +
num.getClass().getName() +
") threw an Exception: " + e.getMessage() +
"\n\toriginal number: " + str +
"\n\tparsed number : " + parsed1 +
" (" + parsed1.getClass().getName() + ")" +
"\n\tformatted number: " + formatted +
"\n\tre-parsed number: " + parsed2 +
" (" + parsed2.getClass().getName() + ")" +
"\n\tminus sign: " + dfs.getMinusSign());
}
}
}