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/*
* Copyright (c) 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 8318761 8329118
* @summary Test MessageFormatPattern ability to recognize and produce
* appropriate FormatType and FormatStyle for CompactNumberFormat.
* @run junit CompactSubFormats
*/
import java.text.CompactNumberFormat;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.text.MessageFormat;
import java.text.NumberFormat;
import java.util.Locale;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
// This test expects an US locale, as this locale provides distinct instances
// for different styles.
public class CompactSubFormats {
// Ensure the built-in FormatType and FormatStyles for cnFmt are as expected
@Test
public void applyPatternTest() {
var mFmt = new MessageFormat(
"{0,number,compact_short}{1,number,compact_long}", Locale.US);
var compactShort = NumberFormat.getCompactNumberInstance(
mFmt.getLocale(), NumberFormat.Style.SHORT);
var compactLong = NumberFormat.getCompactNumberInstance(
mFmt.getLocale(), NumberFormat.Style.LONG);
assertEquals(mFmt.getFormatsByArgumentIndex()[0], compactShort);
assertEquals(mFmt.getFormatsByArgumentIndex()[1], compactLong);
}
// Ensure that only 'compact_short' and 'compact_long' are recognized as
// compact number modifiers. All other compact_XX should be interpreted as
// a subformatPattern for a DecimalFormat
@Test
public void recognizedCompactStylesTest() {
// An exception won't be thrown since 'compact_regular' will be interpreted as a
// subformatPattern.
DecimalFormatSymbols symbols = new DecimalFormatSymbols(Locale.US);
assertEquals(new DecimalFormat("compact_regular", symbols),
new MessageFormat("{0,number,compact_regular}", Locale.US).getFormatsByArgumentIndex()[0]);
}
// SHORT and LONG CompactNumberFormats should produce correct patterns
@Test
public void toPatternTest() {
var mFmt = new MessageFormat("{0}{1}", Locale.US);
mFmt.setFormatByArgumentIndex(0, NumberFormat.getCompactNumberInstance(
mFmt.getLocale(), NumberFormat.Style.SHORT));
mFmt.setFormatByArgumentIndex(1, NumberFormat.getCompactNumberInstance(
mFmt.getLocale(), NumberFormat.Style.LONG));
assertEquals("{0,number,compact_short}{1,number,compact_long}", mFmt.toPattern());
}
// A custom cnFmt cannot be recognized, thus does not produce any built-in pattern
@Test
public void badToPatternTest() {
var mFmt = new MessageFormat("{0}", Locale.US);
// Non-recognizable compactNumberFormat
mFmt.setFormatByArgumentIndex(0, new CompactNumberFormat("",
DecimalFormatSymbols.getInstance(Locale.US), new String[]{""}));
// Default behavior of unrecognizable Formats is a FormatElement
// in the form of { ArgumentIndex }
assertEquals("{0}", mFmt.toPattern());
}
}
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