84 lines
2.7 KiB
Java
84 lines
2.7 KiB
Java
/*
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* Copyright (c) 2020, 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 java.io.CharArrayReader;
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import java.io.File;
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import java.io.FileReader;
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import java.io.IOException;
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import java.io.LineNumberReader;
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import java.io.PushbackReader;
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import java.io.Reader;
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import java.io.StringReader;
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import org.testng.Assert;
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import org.testng.annotations.AfterTest;
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import org.testng.annotations.BeforeTest;
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import org.testng.annotations.DataProvider;
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import org.testng.annotations.Test;
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/*
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* @test
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* @bug 8248383
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* @summary Ensure that zero is returned for read into zero length array
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* @run testng ReadIntoZeroLengthArray
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*/
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public class ReadIntoZeroLengthArray {
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private File file;
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private char[] cbuf0;
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private char[] cbuf1;
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@BeforeTest
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public void setup() throws IOException {
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file = File.createTempFile("foo", "bar", new File("."));
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cbuf0 = new char[0];
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cbuf1 = new char[1];
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}
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@AfterTest
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public void teardown() throws IOException {
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file.delete();
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}
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@DataProvider(name = "readers")
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public Object[][] getReaders() throws IOException {
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Reader fileReader = new FileReader(file);
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return new Object[][] {
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{new LineNumberReader(fileReader)},
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{new CharArrayReader(new char[] {27})},
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{new PushbackReader(fileReader)},
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{fileReader},
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{new StringReader(new String(new byte[] {(byte)42}))}
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};
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}
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@Test(dataProvider = "readers")
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void test0(Reader r) throws IOException {
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Assert.assertEquals(r.read(cbuf0), 0);
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}
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@Test(dataProvider = "readers")
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void test1(Reader r) throws IOException {
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Assert.assertEquals(r.read(cbuf1, 0, 0), 0);
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}
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}
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