/*
* #%L
* Common package for I/O and related utilities
* %%
* Copyright (C) 2005 - 2015 Open Microscopy Environment:
* - Board of Regents of the University of Wisconsin-Madison
* - Glencoe Software, Inc.
* - University of Dundee
* %%
* 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 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 HOLDERS 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.
* #L%
*/
package loci.common.utests;
import static org.testng.AssertJUnit.assertEquals;
import java.io.IOException;
import loci.common.IRandomAccess;
import loci.common.utests.providers.IRandomAccessProvider;
import loci.common.utests.providers.IRandomAccessProviderFactory;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Optional;
import org.testng.annotations.Parameters;
import org.testng.annotations.Test;
/**
* Tests for reading unsigned bytes from a loci.common.IRandomAccess.
*
* @see loci.common.IRandomAccess
*/
@Test(groups="writeTests")
public class WriteUnsignedByteTest {
private static final byte[] PAGE = new byte[] {
(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00
};
private static final String MODE = "rw";
private static final int BUFFER_SIZE = 1024;
private IRandomAccess fileHandle;
private boolean checkGrowth;
@Parameters({"provider", "checkGrowth"})
@BeforeMethod
public void setUp(String provider, @Optional("false") String checkGrowth)
throws IOException {
this.checkGrowth = Boolean.parseBoolean(checkGrowth);
IRandomAccessProviderFactory factory = new IRandomAccessProviderFactory();
IRandomAccessProvider instance = factory.getInstance(provider);
fileHandle = instance.createMock(PAGE, MODE, BUFFER_SIZE);
}
@Test(groups="initialLengthTest")
public void testLength() throws IOException {
assertEquals(16, fileHandle.length());
}
@Test
public void testSequential() throws IOException {
fileHandle.writeByte(1);
if (checkGrowth) {
assertEquals(1, fileHandle.length());
}
fileHandle.writeByte(2);
if (checkGrowth) {
assertEquals(2, fileHandle.length());
}
fileHandle.writeByte(3);
if (checkGrowth) {
assertEquals(3, fileHandle.length());
}
fileHandle.writeByte(4);
if (checkGrowth) {
assertEquals(4, fileHandle.length());
}
fileHandle.writeByte(5);
if (checkGrowth) {
assertEquals(5, fileHandle.length());
}
fileHandle.writeByte(6);
if (checkGrowth) {
assertEquals(6, fileHandle.length());
}
fileHandle.writeByte(7);
if (checkGrowth) {
assertEquals(7, fileHandle.length());
}
fileHandle.writeByte(8);
if (checkGrowth) {
assertEquals(8, fileHandle.length());
}
fileHandle.writeByte(9);
if (checkGrowth) {
assertEquals(9, fileHandle.length());
}
fileHandle.writeByte(10);
if (checkGrowth) {
assertEquals(10, fileHandle.length());
}
fileHandle.writeByte(11);
if (checkGrowth) {
assertEquals(11, fileHandle.length());
}
fileHandle.writeByte(12);
if (checkGrowth) {
assertEquals(12, fileHandle.length());
}
fileHandle.writeByte(13);
if (checkGrowth) {
assertEquals(13, fileHandle.length());
}
fileHandle.writeByte(14);
if (checkGrowth) {
assertEquals(14, fileHandle.length());
}
fileHandle.writeByte((byte) 0xFF);
if (checkGrowth) {
assertEquals(15, fileHandle.length());
}
fileHandle.writeByte((byte) 0xFE);
if (checkGrowth) {
assertEquals(16, fileHandle.length());
}
fileHandle.seek(0);
assertEquals(1, fileHandle.readUnsignedByte());
assertEquals(2, fileHandle.readUnsignedByte());
assertEquals(3, fileHandle.readUnsignedByte());
assertEquals(4, fileHandle.readUnsignedByte());
assertEquals(5, fileHandle.readUnsignedByte());
assertEquals(6, fileHandle.readUnsignedByte());
assertEquals(7, fileHandle.readUnsignedByte());
assertEquals(8, fileHandle.readUnsignedByte());
assertEquals(9, fileHandle.readUnsignedByte());
assertEquals(10, fileHandle.readUnsignedByte());
assertEquals(11, fileHandle.readUnsignedByte());
assertEquals(12, fileHandle.readUnsignedByte());
assertEquals(13, fileHandle.readUnsignedByte());
assertEquals(14, fileHandle.readUnsignedByte());
assertEquals(255, fileHandle.readUnsignedByte());
assertEquals(254, fileHandle.readUnsignedByte());
}
@Test
public void testSeekForward() throws IOException {
fileHandle.seek(7);
fileHandle.writeByte(8);
if (checkGrowth) {
assertEquals(8, fileHandle.length());
}
fileHandle.writeByte(9);
if (checkGrowth) {
assertEquals(9, fileHandle.length());
}
fileHandle.seek(7);
fileHandle.writeByte((byte) 0xFF);
fileHandle.writeByte((byte) 0xFE);
fileHandle.seek(7);
assertEquals(255, fileHandle.readUnsignedByte());
assertEquals(254, fileHandle.readUnsignedByte());
}
@Test
public void testReset() throws IOException {
fileHandle.writeByte(1);
if (checkGrowth) {
assertEquals(1, fileHandle.length());
}
fileHandle.writeByte(2);
if (checkGrowth) {
assertEquals(2, fileHandle.length());
}
fileHandle.seek(0);
fileHandle.writeByte(1);
fileHandle.writeByte(2);
fileHandle.seek(0);
assertEquals(1, fileHandle.readUnsignedByte());
assertEquals(2, fileHandle.readUnsignedByte());
}
}