/*
* 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 java.nio.channels.FileChannel;
import tests.support.Support_PlatformFile;
import dalvik.annotation.TestLevel;
import dalvik.annotation.TestTargetClass;
import dalvik.annotation.TestTargetNew;
@TestTargetClass(
value = FileInputStream.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 FileInputStreamTest extends junit.framework.TestCase {
public String fileName;
private FileInputStream is;
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_FileInputStream\nTest_java_io_FileNotFoundException\nTest_java_io_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 FileInputStream#FileInputStream(File)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
method = "FileInputStream",
args = {File.class}
)
public void test_ConstructorLjava_io_File() {
// Test for method FileInputStream(File)
try {
File f = new File(fileName);
is = new FileInputStream(f);
is.close();
} catch (Exception e) {
fail("Failed to create FileInputStream : " + e.getMessage());
}
File f2 = new File("ImprobableFile.42");
try {
is = new FileInputStream(f2);
is.close();
f2.delete();
fail("FileNotFoundException expected.");
} catch (FileNotFoundException e) {
// Expected.
} catch (IOException e) {
fail("Unexpected IOException: " + e.getMessage());
}
}
/**
* @tests FileInputStream#FileInputStream(FileDescriptor)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
method = "FileInputStream",
args = {FileDescriptor.class}
)
public void test_ConstructorLjava_io_FileDescriptor() {
// Test for method FileInputStream(FileDescriptor)
try {
FileOutputStream fos = new FileOutputStream(fileName);
FileInputStream fis = new FileInputStream(fos.getFD());
fos.close();
fis.close();
} catch (Exception e) {
fail("Exception during constrcutor test: " + e.toString());
}
try {
FileInputStream fis = new FileInputStream((FileDescriptor) null);
fis.close();
fail("NullPointerException expected.");
} catch (NullPointerException e) {
// Expected.
} catch (IOException e) {
fail("Unexpected IOException: " + e.getMessage());
}
}
/**
* @tests FileInputStream#FileInputStream(java.lang.String)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
method = "FileInputStream",
args = {java.lang.String.class}
)
public void test_ConstructorLjava_lang_String() {
// Test for method FileInputStream(java.lang.String)
try {
is = new FileInputStream(fileName);
is.close();
} catch (Exception e) {
fail("Failed to create FileInputStream : " + e.getMessage());
}
try {
is = new FileInputStream("ImprobableFile.42");
is.close();
new File("ImprobableFile.42").delete();
fail("FileNotFoundException expected.");
} catch (FileNotFoundException e) {
// Expected.
} catch (IOException e) {
fail("Unexpected IOException: " + e.getMessage());
}
}
/**
* @tests FileInputStream#available()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
method = "available",
args = {}
)
public void test_available() throws IOException {
is = new FileInputStream(fileName);
assertEquals("Test 1: Returned incorrect number of available bytes;",
fileString.length(), is.available());
is.close();
try {
is.available();
fail("Test 2: IOException expected.");
} catch (IOException e) {
// Expected.
}
}
/**
* @tests FileInputStream#close()
*/
@TestTargetNew(
level = TestLevel.SUFFICIENT,
notes = "No IOException test since this is only thrown" +
"by a native method.",
method = "close",
args = {}
)
public void test_close() throws IOException {
is = new FileInputStream(fileName);
is.close();
try {
is.read();
fail("Test 1: Read from closed stream succeeded.");
} catch (IOException e) {
// Expected.
}
}
/**
* @tests FileInputStream#getChannel()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "getChannel",
args = {}
)
public void test_getChannel() {
// Test for method FileChannel FileInputStream.getChannel()
FileChannel channel;
byte[] buffer = new byte[100];
byte[] stringBytes;
final int offset = 5;
boolean equal = true;
try {
FileInputStream fis = new FileInputStream(fileName);
channel = fis.getChannel();
assertNotNull(channel);
assertTrue("Channel is closed.", channel.isOpen());
// Check that the channel is associated with the input stream.
channel.position(offset);
fis.read(buffer, 0, 10);
stringBytes = fileString.getBytes();
for (int i = 0; i < 10; i++) {
equal &= (buffer[i] == stringBytes[i + offset]);
}
assertTrue("Channel is not associated with this stream.", equal);
fis.close();
assertFalse("Channel has not been closed.", channel.isOpen());
} catch (FileNotFoundException e) {
fail("Could not find : " + fileName);
}
catch (IOException e) {
fail("Exception during test : " + e.getMessage());
}
}
/**
* @tests FileInputStream#getFD()
*/
@TestTargetNew(
level = TestLevel.SUFFICIENT,
notes = "No IOException check since it is never thrown.",
method = "getFD",
args = {}
)
public void test_getFD() {
// Test for method FileDescriptor
// FileInputStream.getFD()
try {
FileInputStream fis = new FileInputStream(fileName);
assertTrue("Returned invalid fd", fis.getFD().valid());
fis.close();
assertTrue("Returned invalid fd", !fis.getFD().valid());
} catch (FileNotFoundException e) {
fail("Could not find : " + fileName);
}
catch (IOException e) {
fail("Exception during test : " + e.getMessage());
}
}
/**
* @tests FileInputStream#read()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
method = "read",
args = {}
)
public void test_read() throws IOException {
is = new FileInputStream(fileName);
int c = is.read();
assertEquals("Test 1: Read returned incorrect char;",
fileString.charAt(0), c);
is.close();
try {
is.read();
fail("Test 2: IOException expected.");
} catch (IOException e) {
// Expected.
}
}
/**
* @tests FileInputStream#read(byte[])
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
method = "read",
args = {byte[].class}
)
public void test_read$B() throws IOException {
byte[] buf1 = new byte[100];
is = new FileInputStream(fileName);
is.skip(3000);
is.read(buf1);
is.close();
assertTrue("Test 1: Failed to read correct data.",
new String(buf1, 0, buf1.length).equals(
fileString.substring(3000, 3100)));
is.close();
try {
is.read(buf1);
fail("Test 2: IOException expected.");
} catch (IOException e) {
// Expected.
}
}
/**
* @tests FileInputStream#read(byte[], int, int)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
method = "read",
args = {byte[].class, int.class, int.class}
)
public void test_read$BII() {
// Test for method int FileInputStream.read(byte [], int, int)
byte[] buf1 = new byte[100];
try {
is = new FileInputStream(fileName);
is.skip(3000);
is.read(buf1, 0, buf1.length);
is.close();
assertTrue("Failed to read correct data", new String(buf1, 0,
buf1.length).equals(fileString.substring(3000, 3100)));
} catch (Exception e) {
fail("Exception during read test : " + e.getMessage());
}
}
/**
* @tests FileInputStream#read(byte[], int, int)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "Illegal argument checks.",
method = "read",
args = {byte[].class, int.class, int.class}
)
public void test_read$BII_Exception() throws IOException {
byte[] buf = null;
try {
is = new FileInputStream(fileName);
is.read(buf, 0, 0);
fail("Test 1: NullPointerException expected.");
} catch (NullPointerException e) {
// Expected.
} finally {
is.close();
}
buf = new byte[1000];
try {
is = new FileInputStream(fileName);
is.read(buf, -1, 0);
fail("Test 2: IndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected.
} finally {
is.close();
}
try {
is = new FileInputStream(fileName);
is.read(buf, 0, -1);
fail("Test 3: IndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected.
} finally {
is.close();
}
try {
is = new FileInputStream(fileName);
is.read(buf, -1, -1);
fail("Test 4: IndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected.
} finally {
is.close();
}
try {
is = new FileInputStream(fileName);
is.read(buf, 0, 1001);
fail("Test 5: IndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected.
} finally {
is.close();
}
try {
is = new FileInputStream(fileName);
is.read(buf, 1001, 0);
fail("Test 6: IndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected.
} finally {
is.close();
}
try {
is = new FileInputStream(fileName);
is.read(buf, 500, 501);
fail("Test 7: IndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected.
} finally {
is.close();
}
try {
is = new FileInputStream(fileName);
is.close();
is.read(buf, 0, 100);
fail("Test 8: IOException expected.");
} catch (IOException e) {
// Expected.
} finally {
is.close();
}
}
/**
* @tests FileInputStream#skip(long)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
method = "skip",
args = {long.class}
)
public void test_skipJ() throws IOException {
byte[] buf1 = new byte[10];
is = new FileInputStream(fileName);
is.skip(1000);
is.read(buf1, 0, buf1.length);
assertTrue("Test 1: Failed to skip to correct position.",
new String(buf1, 0, buf1.length).equals(
fileString.substring(1000, 1010)));
is.close();
try {
is.read();
fail("Test 2: IOException expected.");
} catch (IOException e) {
// Expected.
}
}
/**
* @tests FileInputStream#skip(long)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "Verifies that skip(long) method throws IOException if " +
"this method is called with negative argument.",
method = "skip",
args = {long.class}
)
public void test_skipNegativeArgumentJ() throws IOException{
FileInputStream fis = new FileInputStream(fileName);
try {
fis.skip(-5);
fail("Test 1: IOException expected.");
} catch (IOException e) {
// Expected IOException
} catch (Exception e) {
fail("Test 2: IOException expected but found: " + e.getMessage());
}
fis.close();
}
/**
* Sets up the fixture, for example, open a network connection. This method
* is called before a test is executed.
*/
protected void setUp() {
try {
fileName = System.getProperty("java.io.tmpdir");
String separator = System.getProperty("file.separator");
if (fileName.charAt(fileName.length() - 1) == separator.charAt(0))
fileName = Support_PlatformFile.getNewPlatformFile(fileName,
"input.tst");
else
fileName = Support_PlatformFile.getNewPlatformFile(fileName
+ separator, "input.tst");
java.io.OutputStream fos = new FileOutputStream(fileName);
fos.write(fileString.getBytes());
fos.close();
} catch (java.io.IOException e) {
System.out.println("Exception during setup");
e.printStackTrace();
}
}
/**
* Tears down the fixture, for example, close a network connection. This
* method is called after a test is executed.
*/
protected void tearDown() {
try {
if (is != null) {
is.close();
}
new File(fileName).delete();
} catch (IOException e) {
// Ignored.
}
}
}
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