author | tschatzl |
Wed, 24 Jul 2019 11:49:39 +0200 | |
changeset 57508 | 28ab01c06755 |
parent 49679 | 7084eec5c723 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1997, 2018, 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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/* |
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* @test |
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* @bug 4017158 8180410 |
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* @library /test/lib |
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* @build jdk.test.lib.RandomFactory |
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* @run testng Write |
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* @summary Check for correct implementation of ByteArrayInputStream.write |
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* @key randomness |
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*/ |
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import java.io.ByteArrayOutputStream; |
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import java.util.Arrays; |
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import java.util.Random; |
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import jdk.test.lib.RandomFactory; |
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import org.testng.annotations.Test; |
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import static org.testng.Assert.*; |
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public class Write { |
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private static void doBoundsTest(byte[] b, int off, int len, |
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ByteArrayOutputStream baos) |
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throws Exception { |
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if (b != null) { |
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System.out.println("ByteArrayOutStream.write: b.length = " + |
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b.length + " off = " + off + " len = " + len); |
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} else{ |
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System.out.println("ByteArrayOutStream.write: b is null off = " + |
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off + " len = " + len); |
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} |
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try { |
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baos.write(b, off, len); |
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} catch (IndexOutOfBoundsException e) { |
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System.out.println("IndexOutOfBoundsException is thrown: OKAY"); |
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} catch (NullPointerException e) { |
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System.out.println("NullPointerException is thrown: OKAY"); |
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} catch (Throwable e){ |
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throw new RuntimeException("Unexpected Exception is thrown", e); |
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} |
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if (b != null) { |
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System.out.println("ByteArrayOutStream.writeBytes: b.length = " + |
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b.length); |
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} else{ |
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System.out.println("ByteArrayOutStream.writeBytes: b is null"); |
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} |
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try { |
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baos.writeBytes(b); |
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} catch (NullPointerException e) { |
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System.out.println("NullPointerException is thrown: OKAY"); |
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} catch (Throwable e){ |
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throw new RuntimeException("Unexpected Exception is thrown", e); |
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} |
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} |
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@Test |
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public static void boundsTest() throws Exception { |
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byte array1[] = {1 , 2 , 3 , 4 , 5}; // Simple array |
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//Create new ByteArrayOutputStream object |
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ByteArrayOutputStream y1 = new ByteArrayOutputStream(5); |
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doBoundsTest(array1, 0, Integer.MAX_VALUE , y1); |
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doBoundsTest(array1, 0, array1.length+100, y1); |
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doBoundsTest(array1, -1, 2, y1); |
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doBoundsTest(array1, 0, -1, y1); |
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doBoundsTest(null, 0, 2, y1); |
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} |
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@Test |
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public static void writeTest() throws Exception { |
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ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
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Random rnd = RandomFactory.getRandom(); |
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final int size = 17 + rnd.nextInt(128); |
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byte[] b = new byte[size]; |
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rnd.nextBytes(b); |
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int off1 = rnd.nextInt(size / 4) + 1; |
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int len1 = Math.min(rnd.nextInt(size / 4) + 1, size - off1); |
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int off2 = rnd.nextInt(size / 2) + 1; |
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int len2 = Math.min(rnd.nextInt(size / 2) + 1, size - off2); |
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System.out.format("size: %d, off1: %d, len1: %d, off2: %d, len2: %d%n", |
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size, off1, len1, off2, len2); |
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baos.write(b, off1, len1); |
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byte[] b1 = baos.toByteArray(); |
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assertEquals(b1.length, len1, "Array length test 1 failed."); |
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assertEquals(b1, Arrays.copyOfRange(b, off1, off1 + len1), |
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"Array equality test 1 failed."); |
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baos.write(b, off2, len2); |
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byte[] b2 = baos.toByteArray(); |
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assertEquals(b2.length, len1 + len2, "Array length test 2 failed."); |
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assertEquals(Arrays.copyOfRange(b2, 0, len1), |
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Arrays.copyOfRange(b, off1, off1 + len1), |
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"Array equality test 2A failed."); |
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assertEquals(Arrays.copyOfRange(b2, len1, len1 + len2), |
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Arrays.copyOfRange(b, off2, off2 + len2), |
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"Array equality test 2B failed."); |
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baos.writeBytes(b); |
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byte[] b3 = baos.toByteArray(); |
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int len3 = len1 + len2 + b.length; |
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if (b3.length != len1 + len2 + b.length) { |
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throw new RuntimeException("Array length test 3 failed."); |
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} |
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assertEquals(b3.length, len3, "Array length test 3 failed."); |
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assertEquals(Arrays.copyOfRange(b3, 0, len1), |
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Arrays.copyOfRange(b, off1, off1 + len1), |
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"Array equality test 3A failed."); |
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assertEquals(Arrays.copyOfRange(b3, len1, len1 + len2), |
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Arrays.copyOfRange(b, off2, off2 + len2), |
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"Array equality test 3B failed."); |
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assertEquals(Arrays.copyOfRange(b3, len1 + len2, len3), b, |
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"Array equality test 3C failed."); |
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} |
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} |