/*
* 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.File;
import java.io.FileOutputStream;
import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.charset.StandardCharsets;
import junit.framework.TestCase;
public class FilterInputStreamTest extends TestCase {
static class MyFilterInputStream extends FilterInputStream {
public MyFilterInputStream(InputStream is) {
super(is);
}
}
private String fileName;
private InputStream is;
private static final String INPUT =
"Test_All_Tests\n" +
"Test_BufferedInputStream\n" +
"Test_java_io_BufferedOutputStream\n" +
"Test_java_io_ByteArrayInputStream\n" +
"Test_java_io_ByteArrayOutputStream\n" +
"Test_java_io_DataInputStream\n" +
"Test_java_io_File\n" +
"Test_java_io_FileDescriptor\n" +
"Test_java_io_FileInputStream\n" +
"Test_java_io_FileNotFoundException\n" +
"Test_java_io_FileOutputStream\n" +
"Test_java_io_FilterInputStream\n" +
"Test_java_io_FilterOutputStream\n" +
"Test_java_io_InputStream\n" +
"Test_java_io_IOException\n" +
"Test_java_io_OutputStream\n" +
"Test_java_io_PrintStream\n" +
"Test_java_io_RandomAccessFile\n" +
"Test_java_io_SyncFailedException\n" +
"Test_java_lang_AbstractMethodError\n" +
"Test_java_lang_ArithmeticException\n" +
"Test_java_lang_ArrayIndexOutOfBoundsException\n" +
"Test_java_lang_ArrayStoreException\n" +
"Test_java_lang_Boolean\n" +
"Test_java_lang_Byte\n" +
"Test_java_lang_Character\n" +
"Test_All_Tests\n" +
"Test_BufferedInputStream\n" +
"Test_java_io_BufferedOutputStream\n" +
"Test_java_io_ByteArrayInputStream\n" +
"Test_java_io_ByteArrayOutputStream\n" +
"Test_java_io_DataInputStream\n" +
"Test_java_io_File\n" +
"Test_java_io_FileDescriptor\n" +
"Test_java_io_FileInputStream\n" +
"Test_java_io_FileNotFoundException\n" +
"Test_java_io_FileOutputStream\n" +
"Test_java_io_FilterInputStream\n" +
"Test_java_io_FilterOutputStream\n" +
"Test_java_io_InputStream\n" +
"Test_java_io_IOException\n" +
"Test_java_io_OutputStream\n" +
"Test_java_io_PrintStream\n" +
"Test_java_io_RandomAccessFile\n" +
"Test_java_io_SyncFailedException\n" +
"Test_java_lang_AbstractMethodError\n" +
"Test_java_lang_ArithmeticException\n" +
"Test_java_lang_ArrayIndexOutOfBoundsException\n" +
"Test_java_lang_ArrayStoreException\n" +
"Test_java_lang_Boolean\n" +
"Test_java_lang_Byte\n" +
"Test_java_lang_Character\n";
/**
* Sets up the fixture, for example, open a network connection. This method
* is called before a test is executed.
*/
@Override
protected void setUp() throws IOException {
File temp = File.createTempFile("FilterInputStreamTest", "tst");
fileName = temp.getAbsolutePath();
OutputStream fos = new FileOutputStream(temp.getAbsolutePath());
fos.write(INPUT.getBytes(StandardCharsets.US_ASCII));
fos.close();
is = new MyFilterInputStream(new java.io.FileInputStream(fileName));
}
/**
* Tears down the fixture, for example, close a network connection. This
* method is called after a test is executed.
*/
@Override
protected void tearDown() {
try {
is.close();
} catch (Exception e) {
// Ignored
}
new File(fileName).delete();
}
/**
* java.io.FilterInputStream#available()
*/
public void test_available() throws IOException {
assertTrue("Returned incorrect number of available bytes", is
.available() == INPUT.length());
}
/**
* java.io.FilterInputStream#close()
*/
public void test_close() throws IOException {
is.close();
try {
is.read();
fail("Able to read from closed stream");
} catch (java.io.IOException e) {
// Expected
}
}
/**
* java.io.FilterInputStream#mark(int)
*/
public void test_markI() {
assertTrue("Mark not supported by parent InputStream", true);
}
/**
* java.io.FilterInputStream#markSupported()
*/
public void test_markSupported() {
assertTrue("markSupported returned true", !is.markSupported());
}
/**
* java.io.FilterInputStream#read()
*/
public void test_read() throws Exception {
int c = is.read();
assertTrue("read returned incorrect char", c == INPUT.charAt(0));
}
/**
* java.io.FilterInputStream#read(byte[])
*/
public void test_read$B() throws Exception {
byte[] buf1 = new byte[100];
is.read(buf1);
assertTrue("Failed to read correct data", new String(buf1, 0,
buf1.length, "UTF-8").equals(INPUT.substring(0, 100)));
}
/**
* java.io.FilterInputStream#read(byte[], int, int)
*/
public void test_read$BII() throws Exception {
byte[] buf1 = new byte[100];
is.skip(500);
is.mark(1000);
is.read(buf1, 0, buf1.length);
assertTrue("Failed to read correct data", new String(buf1, 0,
buf1.length, "UTF-8").equals(INPUT.substring(500, 600)));
}
/**
* java.io.FilterInputStream#reset()
*/
public void test_reset() {
try {
is.reset();
fail("should throw IOException");
} catch (IOException e) {
// expected
}
}
/**
* java.io.FilterInputStream#skip(long)
*/
public void test_skipJ() throws Exception {
byte[] buf1 = new byte[10];
is.skip(1000);
is.read(buf1, 0, buf1.length);
assertTrue("Failed to skip to correct position", new String(buf1, 0,
buf1.length, "UTF-8").equals(INPUT.substring(1000, 1010)));
}
}