summaryrefslogtreecommitdiffstats
path: root/src/junit/com/jogamp/common/util/TestIOUtil01.java
blob: 6a53bb5c01ff769b53d9b9672e41df4145bd019d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
/**
 * Copyright 2010 JogAmp Community. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 * 
 *    1. Redistributions of source code must retain the above copyright notice, this list of
 *       conditions and the following disclaimer.
 * 
 *    2. Redistributions in binary form must reproduce the above copyright notice, this list
 *       of conditions and the following disclaimer in the documentation and/or other materials
 *       provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * The views and conclusions contained in the software and documentation are those of the
 * authors and should not be interpreted as representing official policies, either expressed
 * or implied, of JogAmp Community.
 */
 
package com.jogamp.common.util;

import java.util.*;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.net.URLConnection;
import java.nio.ByteBuffer;

import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;

import com.jogamp.common.os.MachineDescription;
import com.jogamp.common.os.Platform;
import com.jogamp.junit.util.JunitTracer;

import org.junit.FixMethodOrder;
import org.junit.runners.MethodSorters;

@FixMethodOrder(MethodSorters.NAME_ASCENDING)
public class TestIOUtil01 extends JunitTracer {

    static final MachineDescription machine = Platform.getMachineDescription(); 
    static final int tsz = machine.pageSizeInBytes() + machine.pageSizeInBytes() / 2 ;
    static final byte[] orig = new byte[tsz];
    static final String tfilename = "./test.bin" ;
    
    @BeforeClass
    public static void setup() throws IOException {
        final File tfile = new File(tfilename);        
        final OutputStream tout = new BufferedOutputStream(new FileOutputStream(tfile));        
        for(int i=0; i<tsz; i++) {
            final byte b = (byte) (i%256);
            orig[i] = b;
            tout.write(b);
        }
        tout.close();
    }
    
    @Test
    public void testCopyStream01Array() throws IOException {
        URLConnection urlConn = IOUtil.getResource(this.getClass(), tfilename);
        Assert.assertNotNull(urlConn);
        final BufferedInputStream bis = new BufferedInputStream( urlConn.getInputStream() );
        final byte[] bb;
        try {
            bb = IOUtil.copyStream2ByteArray( bis );
        } finally {
            IOUtil.close(bis, false);
        }
        Assert.assertEquals("Byte number not equal orig vs array", orig.length, bb.length);
        Assert.assertTrue("Bytes not equal orig vs array", Arrays.equals(orig, bb));
        
    }

    @Test
    public void testCopyStream02Buffer() throws IOException {
        URLConnection urlConn = IOUtil.getResource(this.getClass(), tfilename);
        Assert.assertNotNull(urlConn);
        final BufferedInputStream bis = new BufferedInputStream( urlConn.getInputStream() );
        final ByteBuffer bb;
        try {
            bb = IOUtil.copyStream2ByteBuffer( bis ); 
        } finally {
            IOUtil.close(bis, false);
        }
        Assert.assertEquals("Byte number not equal orig vs buffer", orig.length, bb.limit());
        int i;
        for(i=tsz-1; i>=0 && orig[i]==bb.get(i); i--) ;        
        Assert.assertTrue("Bytes not equal orig vs array", 0>i);
    }
    
    @Test
    public void testCopyStream03Buffer() throws IOException {
        final String tfilename2 = "./test2.bin" ;
        URLConnection urlConn1 = IOUtil.getResource(this.getClass(), tfilename);
        Assert.assertNotNull(urlConn1);
        
        File file2 = new File(tfilename2);
        IOUtil.copyURLConn2File(urlConn1, file2);
        URLConnection urlConn2 = IOUtil.getResource(this.getClass(), tfilename2);
        Assert.assertNotNull(urlConn2);

        final BufferedInputStream bis = new BufferedInputStream( urlConn2.getInputStream() );
        final ByteBuffer bb;
        try {
            bb = IOUtil.copyStream2ByteBuffer( bis ); 
        } finally {
            IOUtil.close(bis, false);
        }
        Assert.assertEquals("Byte number not equal orig vs buffer", orig.length, bb.limit());
        int i;
        for(i=tsz-1; i>=0 && orig[i]==bb.get(i); i--) ;        
        Assert.assertTrue("Bytes not equal orig vs array", 0>i);
    }
    
    public static void main(String args[]) throws IOException {
        String tstname = TestIOUtil01.class.getName();
        org.junit.runner.JUnitCore.main(tstname);
    }

}