/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.harmony.tests.java.io;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
public class DataOutputStreamTest extends junit.framework.TestCase {
private DataOutputStream os;
private DataInputStream dis;
private ByteArrayOutputStream bos;
String unihw = "\u0048\u0065\u006C\u006C\u006F\u0020\u0057\u006F\u0072\u006C\u0064";
public String fileString = "Test_All_Tests\nTest_java_io_BufferedInputStream\nTest_java_io_BufferedOutputStream\nTest_java_io_ByteArrayInputStream\nTest_java_io_ByteArrayOutputStream\nTest_java_io_DataInputStream\n";
/**
* java.io.DataOutputStream#DataOutputStream(java.io.OutputStream)
*/
public void test_ConstructorLjava_io_OutputStream() {
assertTrue("Used in all tests", true);
}
/**
* java.io.DataOutputStream#flush()
*/
public void test_flush() throws IOException {
os.writeInt(9087589);
os.flush();
openDataInputStream();
int c = dis.readInt();
dis.close();
assertEquals("Failed to flush correctly", 9087589, c);
}
/**
* java.io.DataOutputStream#size()
*/
public void test_size() throws IOException {
os.write(fileString.getBytes(), 0, 150);
os.close();
openDataInputStream();
byte[] rbuf = new byte[150];
dis.read(rbuf, 0, 150);
dis.close();
assertEquals("Incorrect size returned", 150, os.size());
}
/**
* java.io.DataOutputStream#write(byte[], int, int)
*/
public void test_write$BII() throws IOException {
os.write(fileString.getBytes(), 0, 150);
os.close();
openDataInputStream();
byte[] rbuf = new byte[150];
dis.read(rbuf, 0, 150);
dis.close();
assertTrue("Incorrect bytes written", new String(rbuf, 0, 150)
.equals(fileString.substring(0, 150)));
}
/**
* java.io.DataOutputStream#write(int)
*/
public void test_writeI() throws IOException {
os.write((int) 't');
os.close();
openDataInputStream();
int c = dis.read();
dis.close();
assertTrue("Incorrect int written", (int) 't' == c);
}
/**
* java.io.DataOutputStream#writeBoolean(boolean)
*/
public void test_writeBooleanZ() throws IOException {
os.writeBoolean(true);
os.close();
openDataInputStream();
boolean c = dis.readBoolean();
dis.close();
assertTrue("Incorrect boolean written", c);
}
/**
* java.io.DataOutputStream#writeByte(int)
*/
public void test_writeByteI() throws IOException {
os.writeByte((byte) 127);
os.close();
openDataInputStream();
byte c = dis.readByte();
dis.close();
assertTrue("Incorrect byte written", c == (byte) 127);
}
/**
* java.io.DataOutputStream#writeBytes(java.lang.String)
*/
public void test_writeBytesLjava_lang_String() throws IOException {
os.write(fileString.getBytes());
os.close();
openDataInputStream();
byte[] rbuf = new byte[4000];
dis.read(rbuf, 0, fileString.length());
dis.close();
assertTrue("Incorrect bytes written", new String(rbuf, 0, fileString
.length()).equals(fileString));
// regression test for HARMONY-1101
new DataOutputStream(null).writeBytes("");
}
/**
* java.io.DataOutputStream#writeChar(int)
*/
public void test_writeCharI() throws IOException {
os.writeChar('T');
os.close();
openDataInputStream();
char c = dis.readChar();
dis.close();
assertEquals("Incorrect char written", 'T', c);
}
/**
* java.io.DataOutputStream#writeChars(java.lang.String)
*/
public void test_writeCharsLjava_lang_String() throws IOException {
os.writeChars("Test String");
os.close();
openDataInputStream();
char[] chars = new char[50];
int i, a = dis.available() / 2;
for (i = 0; i < a; i++)
chars[i] = dis.readChar();
assertEquals("Incorrect chars written", "Test String", new String(
chars, 0, i));
}
/**
* java.io.DataOutputStream#writeDouble(double)
*/
public void test_writeDoubleD() throws IOException {
os.writeDouble(908755555456.98);
os.close();
openDataInputStream();
double c = dis.readDouble();
dis.close();
assertEquals("Incorrect double written", 908755555456.98, c);
}
/**
* java.io.DataOutputStream#writeFloat(float)
*/
public void test_writeFloatF() throws IOException {
os.writeFloat(9087.456f);
os.close();
openDataInputStream();
float c = dis.readFloat();
dis.close();
assertTrue("Incorrect float written", c == 9087.456f);
}
/**
* java.io.DataOutputStream#writeInt(int)
*/
public void test_writeIntI() throws IOException {
os.writeInt(9087589);
os.close();
openDataInputStream();
int c = dis.readInt();
dis.close();
assertEquals("Incorrect int written", 9087589, c);
}
/**
* java.io.DataOutputStream#writeLong(long)
*/
public void test_writeLongJ() throws IOException {
os.writeLong(908755555456L);
os.close();
openDataInputStream();
long c = dis.readLong();
dis.close();
assertEquals("Incorrect long written", 908755555456L, c);
}
/**
* java.io.DataOutputStream#writeShort(int)
*/
public void test_writeShortI() throws IOException {
os.writeShort((short) 9087);
os.close();
openDataInputStream();
short c = dis.readShort();
dis.close();
assertEquals("Incorrect short written", 9087, c);
}
/**
* java.io.DataOutputStream#writeUTF(java.lang.String)
*/
public void test_writeUTFLjava_lang_String() throws IOException {
os.writeUTF(unihw);
os.close();
openDataInputStream();
assertTrue("Failed to write string in UTF format",
dis.available() == unihw.length() + 2);
assertTrue("Incorrect string returned", dis.readUTF().equals(unihw));
}
private void openDataInputStream() throws IOException {
dis = new DataInputStream(new ByteArrayInputStream(bos.toByteArray()));
}
/**
* Sets up the fixture, for example, open a network connection. This method
* is called before a test is executed.
*/
protected void setUp() {
bos = new ByteArrayOutputStream();
os = new DataOutputStream(bos);
}
/**
* Tears down the fixture, for example, close a network connection. This
* method is called after a test is executed.
*/
protected void tearDown() {
try {
if (os != null)
os.close();
if (dis != null)
dis.close();
} catch (IOException e) {
}
}
}