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/*
* Copyright (c) 2020, 2025, 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 8026766 8253321 8349883
* @summary LanguageRange tests: toString(), hashCode()/equals(), checking
* for IAE on ill-formed ranges
* @run junit LanguageRangeTest
*/
import static java.util.Locale.LanguageRange;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;
import java.util.HashMap;
import java.util.Locale;
import java.util.stream.Stream;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
public class LanguageRangeTest {
// 8349883: Test endpoints w/ ill-formed language range fail with IAE
@ParameterizedTest
@MethodSource("illegalRanges")
public void illformedRangeTest(String range) {
// static parses
assertThrows(IllegalArgumentException.class,
() -> Locale.LanguageRange.parse(range));
assertThrows(IllegalArgumentException.class,
() -> Locale.LanguageRange.parse(range, new HashMap<>()));
// ctors
assertThrows(IllegalArgumentException.class,
() -> new Locale.LanguageRange(range));
assertThrows(IllegalArgumentException.class,
() -> new Locale.LanguageRange(range, Locale.LanguageRange.MIN_WEIGHT));
}
private static Stream<String> illegalRanges() {
return Stream.of(
// 8349883 offending range
"-",
// Other general ill-formed test cases
"-foo",
"foo-",
"foo1",
"foo-123456789",
"*-*-",
""
);
}
// 8253321: Ensure invoking hashCode does not affect equals result
@Test
public void hashCodeTest() {
var range1 = new LanguageRange("en-GB", 0);
var range2 = new LanguageRange("en-GB", 0);
assertEquals(range1, range2);
range1.hashCode();
assertEquals(range1, range2);
range2.hashCode();
assertEquals(range1, range2);
}
// 8026766: toString() should hide weight if equal to MAX_WEIGHT (1.0)
@ParameterizedTest
@MethodSource("ranges")
public void toStringTest(String range, double weight) {
LanguageRange lr = new LanguageRange(range, weight);
String expected = weight == 1.0
? range
: range+";q="+weight;
assertEquals(lr.toString(), expected);
}
private static Stream<Arguments> ranges() {
return Stream.of(
Arguments.of("ja", 1.0),
Arguments.of("de", 0.5),
Arguments.of("fr", 0.0)
);
}
}
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