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/*
* Copyright (c) 1998, 2023, 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 4016509 8316879
* @summary test regionMatches corner cases
* @run junit RegionMatches
*/
import java.io.UnsupportedEncodingException;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertTrue;
public class RegionMatches {
private final String s1_LATIN1 = "abc";
private final String s2_LATIN1 = "def";
private final String s1_UTF16 = "\u041e\u0434\u043d\u0430\u0436\u0434\u044b";
private final String s2_UTF16 = "\u0432\u0441\u0442\u0443\u0434\u0435\u043d";
@Test
public void TestLATIN1() {
// Test for 4016509
boolean result = s1_LATIN1.regionMatches(0, s2_LATIN1, 0, Integer.MIN_VALUE);
assertTrue(result, "Integer overflow in RegionMatches when comparing LATIN1 strings");
}
@Test
public void TestUTF16() throws UnsupportedEncodingException{
// Test for 8316879
boolean result = s1_UTF16.regionMatches(0, s2_UTF16, 0, Integer.MIN_VALUE + 1);
assertTrue(result, "Integer overflow in RegionMatches when comparing UTF16 strings");
}
}
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