russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
109 lines
3.3 KiB
Java
109 lines
3.3 KiB
Java
/*
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* Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import org.testng.Assert;
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import org.testng.annotations.Test;
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/**
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* @test
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* @bug 8343110
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* @summary Check for expected behavior of default implementation of
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* CharSequence.getChars().
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* @run testng GetChars
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*/
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public class GetChars {
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private static CharSequence CS = new CharSequence() {
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@Override
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public int length() {
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return 4;
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}
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@Override
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public char charAt(int index) {
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return "Test".charAt(index);
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}
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@Override
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public CharSequence subSequence(int start, int end) {
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throw new UnsupportedOperationException();
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}
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};
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@Test
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public void testExactCopy() {
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var dst = new char[4];
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CS.getChars(0, 4, dst, 0);
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Assert.assertEquals(dst, new char[] {'T', 'e', 's', 't'});
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}
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@Test
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public void testPartialCopy() {
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var dst = new char[2];
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CS.getChars(1, 3, dst, 0);
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Assert.assertEquals(dst, new char[] {'e', 's'});
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}
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@Test
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public void testPositionedCopy() {
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var dst = new char[] {1, 2, 3, 4, 5, 6};
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CS.getChars(0, 4, dst, 1);
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Assert.assertEquals(dst, new char[] {1, 'T', 'e', 's', 't', 6});
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}
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@Test
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public void testSrcBeginIsNegative() {
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Assert.assertThrows(IndexOutOfBoundsException.class,
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() -> CS.getChars(-1, 3, new char[4], 0));
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}
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@Test
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public void testDstBeginIsNegative() {
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Assert.assertThrows(IndexOutOfBoundsException.class,
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() -> CS.getChars(0, 4, new char[4], -1));
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}
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@Test
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public void testSrcBeginIsGreaterThanSrcEnd() {
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Assert.assertThrows(IndexOutOfBoundsException.class,
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() -> CS.getChars(4, 0, new char[4], 0));
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}
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@Test
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public void testSrcEndIsGreaterThanSequenceLength() {
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Assert.assertThrows(IndexOutOfBoundsException.class,
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() -> CS.getChars(0, 5, new char[4], 0));
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}
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@Test
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public void testRequestedLengthIsGreaterThanDstLength() {
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Assert.assertThrows(IndexOutOfBoundsException.class,
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() -> CS.getChars(0, 4, new char[3], 0));
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}
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@Test
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public void testDstIsNull() {
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Assert.assertThrows(NullPointerException.class,
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() -> CS.getChars(0, 4, null, 0));
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}
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}
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