/*
* 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 tests.api.java.io;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import junit.framework.TestCase;
import tests.support.Support_OutputStream;
import dalvik.annotation.TestLevel;
import dalvik.annotation.TestTargetClass;
import dalvik.annotation.TestTargetNew;
/**
* Automated Test Suite for class java.io.ByteArrayOutputStream
*
* @see java.io.ByteArrayOutputStream
*/
@TestTargetClass(ByteArrayOutputStream.class)
public class ByteArrayOutputStreamTest extends TestCase {
ByteArrayOutputStream bos = null;
public String fileString = "Test_All_Tests\nTest_java_io_BufferedInputStream\nTest_java_io_BufferedOutputStream\nTest_java_io_ByteArrayInputStream\nTest_ByteArrayOutputStream\nTest_java_io_DataInputStream\n";
/**
* @tests java.io.ByteArrayOutputStream#ByteArrayOutputStream(int)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
method = "ByteArrayOutputStream",
args = {int.class}
)
public void test_ConstructorI() {
bos = new java.io.ByteArrayOutputStream(100);
assertEquals("Test 1: Failed to create stream;", 0, bos.size());
try {
bos = new ByteArrayOutputStream(-1);
fail("Test 2: IllegalArgumentException expected.");
} catch (IllegalArgumentException e) {
// Expected.
}
}
/**
* @tests java.io.ByteArrayOutputStream#ByteArrayOutputStream()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
method = "ByteArrayOutputStream",
args = {}
)
public void test_Constructor() {
// Test for method java.io.ByteArrayOutputStream()
bos = new java.io.ByteArrayOutputStream();
assertEquals("Failed to create stream", 0, bos.size());
}
/**
* @tests java.io.ByteArrayOutputStream#close()
*/
@TestTargetNew(
level = TestLevel.SUFFICIENT,
notes = "No IOException check since it is never thrown.",
method = "close",
args = {}
)
public void test_close() {
// Test for method void java.io.ByteArrayOutputStream.close()
assertTrue(
"close() does nothing for this implementation of OutputSteam",
true);
// The spec seems to say that a closed output stream can't be written
// to. We don't throw an exception if attempt is made to write.
// Right now our implementation doesn't do anything testable but
// should we decide to throw an exception if a closed stream is
// written to, the appropriate test is commented out below.
/***********************************************************************
* java.io.ByteArrayOutputStream bos = new
* java.io.ByteArrayOutputStream(); bos.write (fileString.getBytes(), 0,
* 100); try { bos.close(); } catch (java.io.IOException e) {
* fail("IOException closing stream"); } try { bos.write
* (fileString.getBytes(), 0, 100); bos.toByteArray(); fail("Wrote
* to closed stream"); } catch (Exception e) { }
**********************************************************************/
}
/**
* @tests java.io.ByteArrayOutputStream#reset()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
method = "reset",
args = {}
)
public void test_reset() {
// Test for method void java.io.ByteArrayOutputStream.reset()
bos = new java.io.ByteArrayOutputStream();
bos.write(fileString.getBytes(), 0, 100);
bos.reset();
assertEquals("Test 1: Reset failed;", 0, bos.size());
}
/**
* @tests java.io.ByteArrayOutputStream#size()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "Verifies size() method.",
method = "size",
args = {}
)
public void test_size() {
// Test for method int java.io.ByteArrayOutputStream.size()
bos = new java.io.ByteArrayOutputStream();
bos.write(fileString.getBytes(), 0, 100);
assertEquals("size test failed", 100, bos.size());
bos.reset();
assertEquals("size test failed", 0, bos.size());
}
/**
* @tests java.io.ByteArrayOutputStream#toByteArray()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "Verifies toByteArray() method.",
method = "toByteArray",
args = {}
)
public void test_toByteArray() {
// Test for method byte [] java.io.ByteArrayOutputStream.toByteArray()
byte[] bytes;
byte[] sbytes = fileString.getBytes();
bos = new java.io.ByteArrayOutputStream();
bos.write(fileString.getBytes(), 0, fileString.length());
bytes = bos.toByteArray();
for (int i = 0; i < fileString.length(); i++) {
assertTrue("Error in byte array", bytes[i] == sbytes[i]);
}
}
/**
* @tests java.io.ByteArrayOutputStream#toString(java.lang.String)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
method = "toString",
args = {java.lang.String.class}
)
public void test_toStringLjava_lang_String() throws Exception {
bos = new ByteArrayOutputStream();
bos.write(fileString.getBytes(), 0, fileString.length());
assertTrue("Test 1: Returned incorrect 8859-1 String",
bos.toString("8859_1").equals(fileString));
assertTrue("Test 2: Returned incorrect 8859-2 String",
bos.toString("8859_2").equals(fileString));
try {
bos.toString("NotAnEcoding");
fail("Test 3: UnsupportedEncodingException expected.");
} catch (UnsupportedEncodingException e) {
// Expected.
}
}
/**
* @tests java.io.ByteArrayOutputStream#toString()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "Verifies toString() method.",
method = "toString",
args = {}
)
public void test_toString() {
// Test for method java.lang.String
// java.io.ByteArrayOutputStream.toString()
java.io.ByteArrayOutputStream bos = null;
bos = new java.io.ByteArrayOutputStream();
bos.write(fileString.getBytes(), 0, fileString.length());
assertTrue("Returned incorrect String", bos.toString().equals(
fileString));
}
/**
* @tests java.io.ByteArrayOutputStream#toString(int)
*/
@SuppressWarnings("deprecation")
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "Verifies toString(int hibyte) method.",
method = "toString",
args = {int.class}
)
public void test_toStringI() {
// Test for method java.lang.String
// java.io.ByteArrayOutputStream.toString(int)
java.io.ByteArrayOutputStream bos = null;
bos = new java.io.ByteArrayOutputStream();
bos.write(fileString.getBytes(), 0, fileString.length());
assertTrue("Returned incorrect String",
bos.toString(5).length() == fileString.length());
}
/**
* @tests java.io.ByteArrayOutputStream#write(int)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "write",
args = {int.class}
)
public void test_writeI() {
// Test for method void java.io.ByteArrayOutputStream.write(int)
bos = new java.io.ByteArrayOutputStream();
bos.write('t');
byte[] result = bos.toByteArray();
assertEquals("Wrote incorrect bytes",
"t", new String(result, 0, result.length));
}
/**
* @tests java.io.ByteArrayOutputStream#write(byte[], int, int)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
method = "write",
args = {byte[].class, int.class, int.class}
)
public void test_write$BII() {
// Test for method void java.io.ByteArrayOutputStream.write(byte [],
// int, int)
java.io.ByteArrayOutputStream bos = new java.io.ByteArrayOutputStream();
bos.write(fileString.getBytes(), 0, 100);
byte[] result = bos.toByteArray();
assertTrue("Wrote incorrect bytes",
new String(result, 0, result.length).equals(fileString
.substring(0, 100)));
}
/**
* @tests java.io.ByteArrayOutputStream#write(byte[], int, int)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "Illegal argument checks.",
method = "write",
args = {byte[].class, int.class, int.class}
)
public void test_write$BII_Exception() {
byte[] target = new byte[10];
bos = new ByteArrayOutputStream();
try {
bos.write(target, -1, 1);
fail("Test 1: IndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
bos.write(target, 0, -1);
fail("Test 2: IndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
bos.write(target, 1, target.length);
fail("Test 3: IndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
bos.write(null, 1, 1);
fail("Test 4: NullPointerException expected.");
} catch (NullPointerException e) {
// Expected.
}
}
/**
* @tests java.io.ByteArrayOutputStream#writeTo(java.io.OutputStream)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
method = "writeTo",
args = {java.io.OutputStream.class}
)
public void test_writeToLjava_io_OutputStream() throws Exception {
Support_OutputStream sos = new Support_OutputStream();
bos = new java.io.ByteArrayOutputStream();
bos.write(fileString.getBytes(), 0, 10);
bos.writeTo(sos);
assertTrue("Test 1: Incorrect string written.",
sos.toString().equals(
fileString.substring(0, 10)));
sos.setThrowsException(true);
try {
bos.writeTo(sos);
fail("Test 2: IOException expected.");
} catch (IOException e) {
// Expected.
}
}
}