/*
* 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.File;
import java.io.FileDescriptor;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import dalvik.annotation.AndroidOnly;
import dalvik.annotation.TestLevel;
import dalvik.annotation.TestTargetClass;
import dalvik.annotation.TestTargetNew;
@TestTargetClass(
value = FileOutputStream.class,
untestedMethods = {
@TestTargetNew(
method = "finalize",
args = {},
level = TestLevel.NOT_FEASIBLE,
notes = "Hard to test since it requires that the " +
"garbage collector runs; add test later."
)
}
)
public class FileOutputStreamTest extends junit.framework.TestCase {
public String fileName;
FileOutputStream fos;
FileInputStream fis;
File f;
String tmpDirName = System.getProperty("java.io.tmpdir");
File tmpDir = new File(tmpDirName);
byte[] ibuf = new byte[4096];
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\nTest_java_io_File\nTest_java_io_FileDescriptor\nTest_java_io_FileInputStream\nTest_java_io_FileNotFoundException\nTest_FileOutputStream\nTest_java_io_FilterInputStream\nTest_java_io_FilterOutputStream\nTest_java_io_InputStream\nTest_java_io_IOException\nTest_java_io_OutputStream\nTest_java_io_PrintStream\nTest_java_io_RandomAccessFile\nTest_java_io_SyncFailedException\nTest_java_lang_AbstractMethodError\nTest_java_lang_ArithmeticException\nTest_java_lang_ArrayIndexOutOfBoundsException\nTest_java_lang_ArrayStoreException\nTest_java_lang_Boolean\nTest_java_lang_Byte\nTest_java_lang_Character\nTest_java_lang_Class\nTest_java_lang_ClassCastException\nTest_java_lang_ClassCircularityError\nTest_java_lang_ClassFormatError\nTest_java_lang_ClassLoader\nTest_java_lang_ClassNotFoundException\nTest_java_lang_CloneNotSupportedException\nTest_java_lang_Double\nTest_java_lang_Error\nTest_java_lang_Exception\nTest_java_lang_ExceptionInInitializerError\nTest_java_lang_Float\nTest_java_lang_IllegalAccessError\nTest_java_lang_IllegalAccessException\nTest_java_lang_IllegalArgumentException\nTest_java_lang_IllegalMonitorStateException\nTest_java_lang_IllegalThreadStateException\nTest_java_lang_IncompatibleClassChangeError\nTest_java_lang_IndexOutOfBoundsException\nTest_java_lang_InstantiationError\nTest_java_lang_InstantiationException\nTest_java_lang_Integer\nTest_java_lang_InternalError\nTest_java_lang_InterruptedException\nTest_java_lang_LinkageError\nTest_java_lang_Long\nTest_java_lang_Math\nTest_java_lang_NegativeArraySizeException\nTest_java_lang_NoClassDefFoundError\nTest_java_lang_NoSuchFieldError\nTest_java_lang_NoSuchMethodError\nTest_java_lang_NullPointerException\nTest_java_lang_Number\nTest_java_lang_NumberFormatException\nTest_java_lang_Object\nTest_java_lang_OutOfMemoryError\nTest_java_lang_RuntimeException\nTest_java_lang_SecurityManager\nTest_java_lang_Short\nTest_java_lang_StackOverflowError\nTest_java_lang_String\nTest_java_lang_StringBuffer\nTest_java_lang_StringIndexOutOfBoundsException\nTest_java_lang_System\nTest_java_lang_Thread\nTest_java_lang_ThreadDeath\nTest_java_lang_ThreadGroup\nTest_java_lang_Throwable\nTest_java_lang_UnknownError\nTest_java_lang_UnsatisfiedLinkError\nTest_java_lang_VerifyError\nTest_java_lang_VirtualMachineError\nTest_java_lang_vm_Image\nTest_java_lang_vm_MemorySegment\nTest_java_lang_vm_ROMStoreException\nTest_java_lang_vm_VM\nTest_java_lang_Void\nTest_java_net_BindException\nTest_java_net_ConnectException\nTest_java_net_DatagramPacket\nTest_java_net_DatagramSocket\nTest_java_net_DatagramSocketImpl\nTest_java_net_InetAddress\nTest_java_net_NoRouteToHostException\nTest_java_net_PlainDatagramSocketImpl\nTest_java_net_PlainSocketImpl\nTest_java_net_Socket\nTest_java_net_SocketException\nTest_java_net_SocketImpl\nTest_java_net_SocketInputStream\nTest_java_net_SocketOutputStream\nTest_java_net_UnknownHostException\nTest_java_util_ArrayEnumerator\nTest_java_util_Date\nTest_java_util_EventObject\nTest_java_util_HashEnumerator\nTest_java_util_Hashtable\nTest_java_util_Properties\nTest_java_util_ResourceBundle\nTest_java_util_tm\nTest_java_util_Vector\n";
/**
* @tests java.io.FileOutputStream#FileOutputStream(java.io.File)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
method = "FileOutputStream",
args = {java.io.File.class}
)
public void test_ConstructorLjava_io_File() throws Exception {
try {
fos = new FileOutputStream(tmpDir);
fail("Test 1: FileNotFoundException expected.");
} catch (FileNotFoundException e) {
// Expected.
}
f = new File(fileName = System.getProperty("java.io.tmpdir"), "fos.tst");
fos = new FileOutputStream(f);
}
/**
* @tests java.io.FileOutputStream#FileOutputStream(java.lang.String,
* boolean)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
method = "FileOutputStream",
args = {java.io.File.class, boolean.class}
)
public void test_ConstructorLjava_io_FileZ() throws Exception {
try {
fos = new FileOutputStream(tmpDir, false);
fail("Test 1: FileNotFoundException expected.");
} catch (FileNotFoundException e) {
// Expected.
}
f = new File(tmpDirName, "fos.tst");
fos = new FileOutputStream(f, false);
fos.write("FZ1".getBytes(), 0, 3);
fos.close();
// Append data to existing file
fos = new FileOutputStream(f, true);
fos.write(fileString.getBytes());
fos.close();
byte[] buf = new byte[fileString.length() + 3];
fis = new FileInputStream(f);
fis.read(buf, 0, buf.length);
assertTrue("Test 2: Failed to create appending stream.", new String(buf, 0,
buf.length).equals("FZ1" + fileString));
fis.close();
// Check that the existing file is overwritten
fos = new FileOutputStream(f, false);
fos.write("FZ2".getBytes(), 0, 3);
fos.close();
fis = new FileInputStream(f);
int bytesRead = fis.read(buf, 0, buf.length);
assertTrue("Test 3: Failed to overwrite stream.", new String(buf, 0,
bytesRead).equals("FZ2"));
}
/**
* @tests java.io.FileOutputStream#FileOutputStream(java.io.FileDescriptor)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
method = "FileOutputStream",
args = {java.io.FileDescriptor.class}
)
public void test_ConstructorLjava_io_FileDescriptor() throws Exception {
// Test for method java.io.FileOutputStream(java.io.FileDescriptor)
f = new File(tmpDirName, "fos.tst");
fileName = f.getAbsolutePath();
fos = new FileOutputStream(fileName);
fos.write('l');
fos.close();
fis = new FileInputStream(fileName);
fos = new FileOutputStream(fis.getFD());
fos.close();
fis.close();
}
/**
* @tests java.io.FileOutputStream#FileOutputStream(java.lang.String)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
method = "FileOutputStream",
args = {java.lang.String.class}
)
public void test_ConstructorLjava_lang_String() throws Exception {
try {
fos = new FileOutputStream(tmpDirName);
fail("Test 1: FileNotFoundException expected.");
} catch (FileNotFoundException e) {
// Expected.
}
f = new File(tmpDirName, "fos.tst");
fileName = f.getAbsolutePath();
fos = new FileOutputStream(fileName);
}
/**
* @tests java.io.FileOutputStream#FileOutputStream(java.lang.String,
* boolean)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
method = "FileOutputStream",
args = {java.lang.String.class, boolean.class}
)
public void test_ConstructorLjava_lang_StringZ() throws Exception {
try {
fos = new FileOutputStream(tmpDirName, true);
fail("Test 1: FileNotFoundException expected.");
} catch (FileNotFoundException e) {
// Expected.
}
f = new File(tmpDirName, "fos.tst");
fos = new FileOutputStream(f.getPath(), false);
fos.write("HI".getBytes(), 0, 2);
fos.close();
// Append data to existing file
fos = new FileOutputStream(f.getPath(), true);
fos.write(fileString.getBytes());
fos.close();
byte[] buf = new byte[fileString.length() + 2];
fis = new FileInputStream(f.getPath());
fis.read(buf, 0, buf.length);
assertTrue("Failed to create appending stream", new String(buf, 0,
buf.length).equals("HI" + fileString));
fis.close();
// Check that the existing file is overwritten
fos = new FileOutputStream(f.getPath(), false);
fos.write("HI".getBytes(), 0, 2);
fos.close();
fis = new FileInputStream(f.getPath());
int bytesRead = fis.read(buf, 0, buf.length);
assertTrue("Failed to overwrite stream", new String(buf, 0,
bytesRead).equals("HI"));
}
/**
* @tests java.io.FileOutputStream#close()
*/
@TestTargetNew(
level = TestLevel.SUFFICIENT,
notes = "IOException not checked because it would be thrown" +
"by a native method.",
method = "close",
args = {}
)
public void test_close() throws Exception {
f = new File(System.getProperty("java.io.tmpdir"), "output.tst");
fos = new FileOutputStream(f.getPath());
fos.close();
try {
fos.write(fileString.getBytes());
fail("Test 1: IOException expected.");
} catch (java.io.IOException e) {
// Expected.
}
}
/**
* @tests java.io.FileOutputStream#getFD()
*/
@TestTargetNew(
level = TestLevel.SUFFICIENT,
notes = "IOException not checked because it never gets thrown.",
method = "getFD",
args = {}
)
public void test_getFD() throws Exception {
// Test for method java.io.FileDescriptor
// java.io.FileOutputStream.getFD()
f = new File(fileName = System.getProperty("java.io.tmpdir"), "testfd");
fileName = f.getAbsolutePath();
fos = new FileOutputStream(f);
assertTrue("Returned invalid fd", fos.getFD().valid());
fos.close();
assertTrue("Returned invalid fd", !fos.getFD().valid());
}
/**
* @tests java.io.FileOutputStream#write(byte[])
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
method = "write",
args = {byte[].class}
)
public void test_write$B() throws Exception {
// Test for method void java.io.FileOutputStream.write(byte [])
f = new File(System.getProperty("java.io.tmpdir"), "output.tst");
fos = new FileOutputStream(f.getPath());
fos.write(fileString.getBytes());
fos.close();
try {
fos.write(fileString.getBytes());
fail("Test 1: IOException expected.");
} catch (IOException e) {
// Expected.
}
fis = new FileInputStream(f.getPath());
byte rbytes[] = new byte[4000];
fis.read(rbytes, 0, fileString.length());
assertTrue("Test 2: Incorrect string written or read.",
new String(rbytes, 0, fileString.length()).equals(fileString));
}
/**
* @tests java.io.FileOutputStream#write(byte[], int, int)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
method = "write",
args = {byte[].class, int.class, int.class}
)
public void test_write$BII() throws Exception {
// Test for method void java.io.FileOutputStream.write(byte [], int,
// int)
f = new File(System.getProperty("java.io.tmpdir"), "output.tst");
fos = new FileOutputStream(f.getPath());
fos.write(fileString.getBytes(), 0, fileString.length());
fis = new FileInputStream(f.getPath());
byte rbytes[] = new byte[4000];
fis.read(rbytes, 0, fileString.length());
assertTrue("Incorrect bytes written", new String(rbytes, 0, fileString
.length()).equals(fileString));
}
/**
* @tests java.io.FileOutputStream#write(int)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
method = "write",
args = {int.class}
)
public void test_writeI() throws IOException {
// Test for method void java.io.FileOutputStream.write(int)
f = new File(System.getProperty("java.io.tmpdir"), "output.tst");
fos = new FileOutputStream(f.getPath());
fos.write('t');
fos.close();
try {
fos.write(42);
fail("Test: IOException expected.");
} catch (IOException e) {
// Expected.
}
fis = new FileInputStream(f.getPath());
assertEquals("Test 1: Incorrect char written or read.",
't', fis.read());
}
/**
* @tests java.io.FileOutputStream#write(byte[], int, int)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "Illegal argument and IOException checks.",
method = "write",
args = {byte[].class, int.class, int.class}
)
public void test_write$BII2() throws Exception {
f = new File(tmpDirName, "output.tst");
fos = new FileOutputStream(f.getPath());
try {
fos.write(null, 0, 0);
fail("Test 1: NullPointerException expected.");
} catch (NullPointerException e) {}
try {
fos.write(new byte[1], -1, 0);
fail("Test 2: IndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
fos.write(new byte[1], 0, -1);
fail("Test 3: IndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
fos.write(new byte[1], 0, 5);
fail("Test 4: IndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
fos.write(new byte[10], Integer.MAX_VALUE, 5);
fail("Test 5: IndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
fos.write(new byte[10], 5, Integer.MAX_VALUE);
fail("Test 6: IndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected
}
fos.close();
try {
fos.write(new byte[10], 5, 4);
fail("Test 7: IOException expected.");
} catch (IOException e) {
// Expected.
}
}
/**
* @tests java.io.FileOutputStream#write(byte[], int, int)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
method = "write",
args = {byte[].class, int.class, int.class}
)
public void test_write$BII3() {
try {
new FileOutputStream(new FileDescriptor()).write(new byte[1], 0, 0);
} catch (Exception e) {
fail("Unexpected exception: " + e);
}
}
/**
* @tests java.io.FileOutputStream#getChannel()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "Verifies getChannel() method.",
method = "getChannel",
args = {}
)
@AndroidOnly("The position of the FileChannel for a file opened in " +
"append mode is 0 for the RI and corresponds to the " +
"next position to write to on Android.")
public void test_getChannel() throws Exception {
// Make sure that system properties are set correctly
if (tmpDir == null) {
throw new Exception("System property java.io.tmpdir not defined.");
}
File tmpfile = File.createTempFile("FileOutputStream", "tmp");
tmpfile.deleteOnExit();
FileOutputStream fos = new FileOutputStream(tmpfile);
byte[] b = new byte[10];
for (int i = 10; i < b.length; i++) {
b[i] = (byte) i;
}
fos.write(b);
fos.flush();
fos.close();
FileOutputStream f = new FileOutputStream(tmpfile, true);
assertEquals(10, f.getChannel().position());
}
/**
* Tears down the fixture, for example, close a network connection. This
* method is called after a test is executed.
*/
protected void tearDown() throws Exception {
super.tearDown();
try {
if (f != null)
f.delete();
if (fis != null)
fis.close();
if (fos != null)
fos.close();
} catch (Exception e) {}
}
}