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/*
* Copyright (c) 2005, 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* 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).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 4068067
* @summary test NumberFormat with exponential separator symbols. It also tests the new
* public methods in DecimalFormatSymbols, setExponentSeparator() and
* getExponentSeparator()
* @run junit DFSExponential
*/
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.util.Locale;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.fail;
public class DFSExponential {
@Test
public void TestDFSExponential() {
DecimalFormatSymbols sym = new DecimalFormatSymbols(Locale.US);
String[] pat = { "0.####E0", "00.000E00", "##0.####E000", "0.###E0;[0.###E0]"};
double[] val = { 0.01234, 123456789, 1.23e300, -3.141592653e-271};
String[][] valFormat = {
{"1.234x10^-2", "1.2346x10^8", "1.23x10^300", "-3.1416x10^-271"},
{"12.340x10^-03", "12.346x10^07", "12.300x10^299", "-31.416x10^-272"},
{"12.34x10^-003", "123.4568x10^006", "1.23x10^300", "-314.1593x10^-273"},
{"1.234x10^-2", "1.235x10^8", "1.23x10^300", "[3.142x10^-271]"},
};
System.out.println("Default exponent separator: "+sym.getExponentSeparator());
try {
sym.setExponentSeparator("x10^");
} catch (NullPointerException e){
fail("null String was passed to set an exponent separator symbol");
}
System.out.println("Current exponent separator: "+sym.getExponentSeparator());
for (int p=0; p<pat.length; ++p){
DecimalFormat fmt = new DecimalFormat(pat[p], sym);
System.out.println(" Pattern: " + fmt.toPattern());
String locPattern = fmt.toLocalizedPattern();
System.out.println(" Localized pattern: "+locPattern);
for (int v=0; v<val.length; ++v) {
String s = fmt.format(val[v]);
System.out.println(" " + val[v]+" --> "+s);
if (valFormat[p][v].equals(s)){
System.out.println(": Passed");
} else{
fail(" Failed: Should be formatted as "+valFormat[p][v]+ "but got "+s);
}
}
}
}
}
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