d090606f36
On Mac OS X, align system property "os.arch" with Apple legacy JDKs. Also, improve os.name string matching by using .contains() method instead of .startsWith(). This fix spans multiple repositories. Reviewed-by: dcubed, phh, ohair, katleman
106 lines
3.4 KiB
Java
106 lines
3.4 KiB
Java
/*
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* Copyright (c) 2000, 2012, 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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/* @test
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* @bug 4563125
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* @summary Test size method of FileChannel
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* @run main/othervm Size
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*/
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import java.io.*;
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import java.nio.MappedByteBuffer;
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import java.nio.channels.*;
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import java.util.Random;
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/**
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* Testing FileChannel's size method.
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*/
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public class Size {
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private static Random generator = new Random();
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private static File blah;
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public static void main(String[] args) throws Exception {
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test1();
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test2();
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}
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private static void test1() throws Exception {
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blah = File.createTempFile("blah", null);
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blah.deleteOnExit();
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for(int i=0; i<100; i++) {
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long testSize = generator.nextInt(1000);
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initTestFile(blah, testSize);
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FileInputStream fis = new FileInputStream(blah);
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FileChannel c = fis.getChannel();
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if (c.size() != testSize)
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throw new RuntimeException("Size failed");
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c.close();
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fis.close();
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}
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blah.delete();
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}
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// Test for bug 4563125
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private static void test2() throws Exception {
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// Windows and Linux can't handle the really large file sizes for a truncate
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// or a positional write required by the test for 4563125
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String osName = System.getProperty("os.name");
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if (osName.startsWith("SunOS") || osName.contains("OS X")) {
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blah = File.createTempFile("blah", null);
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long testSize = ((long)Integer.MAX_VALUE) * 2;
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initTestFile(blah, 10);
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RandomAccessFile raf = new RandomAccessFile(blah, "rw");
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FileChannel fc = raf.getChannel();
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fc.size();
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fc.map(FileChannel.MapMode.READ_WRITE, testSize, 10);
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if (fc.size() != testSize + 10)
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throw new RuntimeException("Size failed " + fc.size());
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fc.close();
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raf.close();
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blah.delete();
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}
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}
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/**
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* Creates file blah of specified size in bytes.
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*
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*/
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private static void initTestFile(File blah, long size) throws Exception {
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if (blah.exists())
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blah.delete();
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FileOutputStream fos = new FileOutputStream(blah);
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BufferedWriter awriter
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= new BufferedWriter(new OutputStreamWriter(fos, "8859_1"));
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for(int i=0; i<size; i++) {
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awriter.write("e");
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}
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awriter.flush();
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awriter.close();
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}
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}
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