/*
* 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 libcore.java.io;
import java.io.IOException;
import java.io.PipedInputStream;
import java.io.PipedOutputStream;
public class OldPipedOutputStreamTest extends junit.framework.TestCase {
static class PReader implements Runnable {
PipedInputStream reader;
public PipedInputStream getReader() {
return reader;
}
public PReader(PipedOutputStream out) {
try {
reader = new PipedInputStream(out);
} catch (Exception e) {
System.out.println("Exception setting up reader: "
+ e.toString());
}
}
public int available() {
try {
return reader.available();
} catch (Exception e) {
return -1;
}
}
public void run() {
try {
while (true) {
Thread.sleep(1000);
Thread.yield();
}
} catch (InterruptedException e) {
}
}
public String read(int nbytes) {
byte[] buf = new byte[nbytes];
try {
reader.read(buf, 0, nbytes);
return new String(buf);
} catch (IOException e) {
System.out.println("Exception reading ("
+ Thread.currentThread().getName() + "): "
+ e.toString());
return "ERROR";
}
}
}
static final String testString = "Lorem ipsum dolor sit amet,\n" +
"consectetur adipisicing elit,\nsed do eiusmod tempor incididunt ut" +
"labore et dolore magna aliqua.\n";
static final int testLength = testString.length();
Thread rt;
PReader reader;
PipedOutputStream out;
public void test_Constructor() {
out = new PipedOutputStream();
assertNotNull(out);
try {
out.close();
} catch (IOException e) {
fail("Unexpeceted IOException.");
}
}
public void test_ConstructorLjava_io_PipedInputStream() throws IOException {
// Test for method java.io.PipedOutputStream(java.io.PipedInputStream)
try {
out = new PipedOutputStream(new PipedInputStream());
out.write('b');
} catch (Exception e) {
fail("Test 1: Constructor failed: " + e.getMessage());
}
out.close();
PipedInputStream pis = new PipedInputStream(new PipedOutputStream());
try {
out = new PipedOutputStream(pis);
fail("Test 2: IOException expected because the input stream is already connected.");
} catch (IOException e) {
// Expected.
}
}
public void test_close() {
out = new PipedOutputStream();
rt = new Thread(reader = new PReader(out));
rt.start();
try {
out.close();
} catch (IOException e) {
fail("Test 1: Unexpected IOException: " + e.getMessage());
}
}
public void test_connectLjava_io_PipedInputStream() throws IOException {
out = new PipedOutputStream();
try {
out.connect(new PipedInputStream());
} catch (Exception e) {
fail("Test 1: Unexpected exception when connecting: " +
e.getLocalizedMessage());
}
try {
out.write('B');
} catch (IOException e) {
fail("Test 2: Unexpected IOException when writing after connecting.");
}
try {
out.connect(new PipedInputStream());
fail("Test 3: IOException expected when reconnecting the stream.");
} catch (IOException e) {
// Expected.
}
try {
out.connect(null);
fail("Test 4: NullPointerException expected.");
} catch (NullPointerException e) {
// Expected.
}
}
public void test_flush() throws Exception {
out = new PipedOutputStream();
rt = new Thread(reader = new PReader(out));
rt.start();
out.write(testString.getBytes(), 0, 10);
assertTrue("Test 1: Bytes have been written before flush.", reader.available() != 0);
out.flush();
assertEquals("Test 2: Flush failed. ",
testString.substring(0, 10), reader.read(10));
}
public void test_write$BII() throws IOException {
out = new PipedOutputStream();
try {
out.write(testString.getBytes(), 0, 5);
fail("Test 1: IOException expected.");
} catch (IOException e) {
// Expected.
}
out = new PipedOutputStream(new PipedInputStream());
try {
out.write(testString.getBytes(), -1, 10);
fail("Test 2: IndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected.
}
try {
out.write(testString.getBytes(), 0, -1);
fail("Test 3: IndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected.
}
try {
out.write(testString.getBytes(), 5, testString.length());
fail("Test 4: IndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected.
}
out.close();
out = new PipedOutputStream();
try {
rt = new Thread(reader = new PReader(out));
rt.start();
out.write(testString.getBytes(), 0, testString.length());
out.flush();
assertEquals("Test 5: Bytes read do not match the bytes written. ",
testString, reader.read(testString.length()));
} catch (IOException e) {
fail("Test 5: Unexpected IOException: " + e.getMessage());
}
reader.getReader().close();
try {
out.write(testString.getBytes(), 0, 5);
fail("Test 7: IOException expected.");
} catch (IOException e) {
// Expected.
}
}
public void test_writeI() throws IOException {
out = new PipedOutputStream();
try {
out.write(42);
fail("Test 1: IOException expected.");
} catch (IOException e) {
// Expected.
}
rt = new Thread(reader = new PReader(out));
rt.start();
out.write('c');
out.flush();
assertEquals("Test 2: The byte read does not match the byte written. ",
"c", reader.read(1));
/* Test disabled due to incomplete implementation, see ticket #92.
rt.interrupt();
try {
out.write(42);
fail("Test 3: IOException expected.");
} catch (IOException e) {
// Expected.
}
}
*/
reader.getReader().close();
try {
out.write(42);
fail("Test 4: IOException expected.");
} catch (IOException e) {
// Expected.
}
}
/**
* Tears down the fixture, for example, close a network connection. This
* method is called after a test is executed.
*/
protected void tearDown() throws Exception {
if (rt != null)
rt.interrupt();
super.tearDown();
}
}