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/*
* Copyright (c) 2011, 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
* @summary Validate some exceptions in MessageFormat
* @bug 6481179 8039165 8318761
* @run junit MessageFormatExceptions
*/
import java.text.MessageFormat;
import java.util.Locale;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
public class MessageFormatExceptions {
// Any exception for a Subformat should be re-thrown as propagated as an IAE
// to the MessageFormat
@Test
public void rethrowAsIAE() {
// Same Subformat pattern for ChoiceFormat throws NumberFormatException
assertThrows(IllegalArgumentException.class,
() -> new MessageFormat("{0,choice,0foo#foo}"));
}
// MessageFormat should throw NPE when constructed with a null pattern
@Test
public void nullPatternTest() {
assertThrows(NullPointerException.class, () -> new MessageFormat(null));
assertThrows(NullPointerException.class, () -> new MessageFormat(null, Locale.US));
assertThrows(NullPointerException.class,
() -> MessageFormat.format(null, new Object[] { "val0", "val1" }));
}
// 8039165: When MessageFormat is constructed with a null locale a NPE
// can potentially be thrown depending on the subformat created. Either
// during the creation of the object itself, or later when format() is called.
// The following are some examples.
@Test
public void nullLocaleTest() {
// Fails when constructor invokes applyPattern()
assertThrows(NullPointerException.class,
() -> new MessageFormat("{0, date}", null));
// Same as above, but with Subformat pattern
assertThrows(NullPointerException.class,
() -> new MessageFormat("{0, date,dd}", null));
// Fail when constructor invokes applyPattern()
assertThrows(NullPointerException.class,
() -> new MessageFormat("{0, number}", null));
// Fail when object calls format()
assertThrows(NullPointerException.class,
() -> new MessageFormat("{0}", null).format(new Object[]{42}));
// Fail when object calls format(), but locale is set via .setLocale()
MessageFormat msgFmt = new MessageFormat("{0}");
msgFmt.setLocale(null);
assertThrows(NullPointerException.class, () -> msgFmt.format(new Object[]{42}));
// Does not always fail if locale is null
assertDoesNotThrow(() ->
new MessageFormat("{0}", null).format(new Object[]{"hello"}));
}
// 6481179: Invalid format type should be provided in error message of IAE
@Test
public void formatMsgTest() {
IllegalArgumentException iae = assertThrows(IllegalArgumentException.class,
() -> MessageFormat.format("Testdata {1,invalid_format_type}", new Object[] { "val0", "val1" }));
assertEquals("unknown format type: invalid_format_type", iae.getMessage());
}
}
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