mirror of
https://github.com/haraldk/TwelveMonkeys.git
synced 2026-05-21 00:00:01 -04:00
Harald Kuhr
209 lines
9.1 KiB
Java
209 lines
9.1 KiB
Java
/*
|
|
* Copyright (c) 2013, Harald Kuhr
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * 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.
|
|
* * Neither the name "TwelveMonkeys" nor the
|
|
* names of its contributors may be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "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 THE COPYRIGHT OWNER 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.
|
|
*/
|
|
|
|
package com.twelvemonkeys.io;
|
|
|
|
import org.junit.Test;
|
|
|
|
import java.io.ByteArrayInputStream;
|
|
import java.io.IOException;
|
|
|
|
import static org.junit.Assert.*;
|
|
|
|
/**
|
|
* LittleEndianDataInputStreamTest
|
|
*
|
|
* @author <a href="mailto:harald.kuhr@gmail.com">Harald Kuhr</a>
|
|
* @author last modified by $Author: haraldk$
|
|
* @version $Id: LittleEndianDataInputStreamTest.java,v 1.0 15.02.13 11:04 haraldk Exp$
|
|
*/
|
|
public class LittleEndianDataInputStreamTest {
|
|
@Test
|
|
public void testReadBoolean() throws IOException {
|
|
LittleEndianDataInputStream data = new LittleEndianDataInputStream(new ByteArrayInputStream(new byte[] {0, 1, 0x7f, (byte) 0xff}));
|
|
assertFalse(data.readBoolean());
|
|
assertTrue(data.readBoolean());
|
|
assertTrue(data.readBoolean());
|
|
assertTrue(data.readBoolean());
|
|
}
|
|
|
|
@Test
|
|
public void testReadByte() throws IOException {
|
|
LittleEndianDataInputStream data = new LittleEndianDataInputStream(new ByteArrayInputStream(
|
|
new byte[] {
|
|
(byte) 0x00, (byte) 0x00,
|
|
(byte) 0x01, (byte) 0x00,
|
|
(byte) 0xff, (byte) 0xff,
|
|
(byte) 0x00, (byte) 0x80,
|
|
(byte) 0xff, (byte) 0x7f,
|
|
(byte) 0x00, (byte) 0x01,
|
|
}
|
|
|
|
));
|
|
|
|
assertEquals(0, data.readByte());
|
|
assertEquals(0, data.readByte());
|
|
assertEquals(1, data.readByte());
|
|
assertEquals(0, data.readByte());
|
|
assertEquals(-1, data.readByte());
|
|
assertEquals(-1, data.readByte());
|
|
assertEquals(0, data.readByte());
|
|
assertEquals(Byte.MIN_VALUE, data.readByte());
|
|
assertEquals(-1, data.readByte());
|
|
assertEquals(Byte.MAX_VALUE, data.readByte());
|
|
assertEquals(0, data.readByte());
|
|
assertEquals(1, data.readByte());
|
|
}
|
|
|
|
@Test
|
|
public void testReadUnsignedByte() throws IOException {
|
|
LittleEndianDataInputStream data = new LittleEndianDataInputStream(new ByteArrayInputStream(
|
|
new byte[] {
|
|
(byte) 0x00, (byte) 0x00,
|
|
(byte) 0x01, (byte) 0x00,
|
|
(byte) 0xff, (byte) 0xff,
|
|
(byte) 0x00, (byte) 0x80,
|
|
(byte) 0xff, (byte) 0x7f,
|
|
(byte) 0x00, (byte) 0x01,
|
|
}
|
|
|
|
));
|
|
|
|
assertEquals(0, data.readUnsignedByte());
|
|
assertEquals(0, data.readUnsignedByte());
|
|
assertEquals(1, data.readUnsignedByte());
|
|
assertEquals(0, data.readUnsignedByte());
|
|
assertEquals(255, data.readUnsignedByte());
|
|
assertEquals(255, data.readUnsignedByte());
|
|
assertEquals(0, data.readUnsignedByte());
|
|
assertEquals(128, data.readUnsignedByte());
|
|
assertEquals(255, data.readUnsignedByte());
|
|
assertEquals(Byte.MAX_VALUE, data.readUnsignedByte());
|
|
assertEquals(0, data.readUnsignedByte());
|
|
assertEquals(1, data.readUnsignedByte());
|
|
}
|
|
|
|
@Test
|
|
public void testReadShort() throws IOException {
|
|
LittleEndianDataInputStream data = new LittleEndianDataInputStream(new ByteArrayInputStream(
|
|
new byte[] {
|
|
(byte) 0x00, (byte) 0x00,
|
|
(byte) 0x01, (byte) 0x00,
|
|
(byte) 0xff, (byte) 0xff,
|
|
(byte) 0x00, (byte) 0x80,
|
|
(byte) 0xff, (byte) 0x7f,
|
|
(byte) 0x00, (byte) 0x01,
|
|
}
|
|
|
|
));
|
|
|
|
assertEquals(0, data.readShort());
|
|
assertEquals(1, data.readShort());
|
|
assertEquals(-1, data.readShort());
|
|
assertEquals(Short.MIN_VALUE, data.readShort());
|
|
assertEquals(Short.MAX_VALUE, data.readShort());
|
|
assertEquals(256, data.readShort());
|
|
}
|
|
|
|
@Test
|
|
public void testReadUnsignedShort() throws IOException {
|
|
LittleEndianDataInputStream data = new LittleEndianDataInputStream(new ByteArrayInputStream(
|
|
new byte[] {
|
|
(byte) 0x00, (byte) 0x00,
|
|
(byte) 0x01, (byte) 0x00,
|
|
(byte) 0xff, (byte) 0xff,
|
|
(byte) 0x00, (byte) 0x80,
|
|
(byte) 0xff, (byte) 0x7f,
|
|
(byte) 0x00, (byte) 0x01,
|
|
}
|
|
|
|
));
|
|
|
|
assertEquals(0, data.readUnsignedShort());
|
|
assertEquals(1, data.readUnsignedShort());
|
|
assertEquals(Short.MAX_VALUE * 2 + 1, data.readUnsignedShort());
|
|
assertEquals(Short.MAX_VALUE + 1, data.readUnsignedShort());
|
|
assertEquals(Short.MAX_VALUE, data.readUnsignedShort());
|
|
assertEquals(256, data.readUnsignedShort());
|
|
}
|
|
|
|
@Test
|
|
public void testReadInt() throws IOException {
|
|
LittleEndianDataInputStream data = new LittleEndianDataInputStream(new ByteArrayInputStream(
|
|
new byte[] {
|
|
(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
|
|
(byte) 0x01, (byte) 0x00, (byte) 0x00, (byte) 0x00,
|
|
(byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff,
|
|
(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x80,
|
|
(byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0x7f,
|
|
(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x01,
|
|
(byte) 0xff, (byte) 0x00, (byte) 0xff, (byte) 0x00,
|
|
(byte) 0x00, (byte) 0xff, (byte) 0x00, (byte) 0xff,
|
|
(byte) 0xbe, (byte) 0xba, (byte) 0xfe, (byte) 0xca,
|
|
(byte) 0xca, (byte) 0xfe, (byte) 0xd0, (byte) 0x0d,
|
|
}
|
|
|
|
));
|
|
|
|
assertEquals(0, data.readInt());
|
|
assertEquals(1, data.readInt());
|
|
assertEquals(-1, data.readInt());
|
|
assertEquals(Integer.MIN_VALUE, data.readInt());
|
|
assertEquals(Integer.MAX_VALUE, data.readInt());
|
|
assertEquals(16777216, data.readInt());
|
|
assertEquals(0xff00ff, data.readInt());
|
|
assertEquals(0xff00ff00, data.readInt());
|
|
assertEquals(0xCafeBabe, data.readInt());
|
|
assertEquals(0x0dd0feca, data.readInt());
|
|
}
|
|
|
|
@Test
|
|
public void testReadLong() throws IOException {
|
|
LittleEndianDataInputStream data = new LittleEndianDataInputStream(new ByteArrayInputStream(
|
|
new byte[] {
|
|
(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
|
|
(byte) 0x01, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
|
|
(byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff,
|
|
(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x80,
|
|
(byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0x7f,
|
|
(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x01,
|
|
(byte) 0x0d, (byte) 0xd0, (byte) 0xfe, (byte) 0xca, (byte) 0xbe, (byte) 0xba, (byte) 0xfe, (byte) 0xca,
|
|
}
|
|
|
|
));
|
|
|
|
assertEquals(0, data.readLong());
|
|
assertEquals(1, data.readLong());
|
|
assertEquals(-1, data.readLong());
|
|
assertEquals(Long.MIN_VALUE, data.readLong());
|
|
assertEquals(Long.MAX_VALUE, data.readLong());
|
|
assertEquals(72057594037927936L, data.readLong());
|
|
assertEquals(0xCafeBabeL << 32 | 0xCafeD00dL, data.readLong());
|
|
}
|
|
}
|