/*
* 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.BufferedInputStream;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.EOFException;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.NotActiveException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.ObjectStreamClass;
import java.io.OptionalDataException;
import java.io.OutputStream;
import java.io.Serializable;
import java.io.StreamCorruptedException;
import java.util.Arrays;
import java.util.Hashtable;
import java.util.Vector;
import org.apache.harmony.testframework.serialization.SerializationTest;
import org.apache.harmony.testframework.serialization.SerializationTest.SerializableAssert;
import tests.support.Support_ASimpleInputStream;
import tests.support.Support_IOTestSecurityManager;
import dalvik.annotation.TestLevel;
import dalvik.annotation.TestTargetClass;
import dalvik.annotation.TestTargetNew;
import dalvik.annotation.TestTargets;
@TestTargetClass(ObjectInputStream.class)
public class ObjectInputStreamTest extends junit.framework.TestCase implements
Serializable {
static final long serialVersionUID = 1L;
ObjectInputStream ois;
ObjectOutputStream oos;
ByteArrayOutputStream bao;
boolean readStreamHeaderCalled;
private final String testString = "Lorem ipsum...";
private final int testLength = testString.length();
/**
* @tests java.io.ObjectInputStream#ObjectInputStream()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "Verifies the protected ObjectInputStream() constructor.",
method = "ObjectInputStream",
args = {}
)
public void test_Constructor() throws IOException {
SecurityManager sm = System.getSecurityManager();
System.setSecurityManager(new Support_IOTestSecurityManager());
try {
ois = new BasicObjectInputStream();
fail("SecurityException expected.");
} catch (SecurityException e) {
// expected
} finally {
System.setSecurityManager(sm);
}
}
/**
* @tests java.io.ObjectInputStream#ObjectInputStream(java.io.InputStream)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
method = "ObjectInputStream",
args = {java.io.InputStream.class}
)
public void test_ConstructorLjava_io_InputStream() throws IOException {
// Test for method java.io.ObjectInputStream(java.io.InputStream)
oos.writeDouble(Double.MAX_VALUE);
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
ois.close();
oos.close();
try {
ois = new ObjectInputStream(new ByteArrayInputStream(new byte[90]));
fail("StreamCorruptedException expected");
} catch (StreamCorruptedException e) {}
}
/**
* @tests java.io.ObjectInputStream#ObjectInputStream(java.io.InputStream)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "Checks IOException.",
method = "ObjectInputStream",
args = {java.io.InputStream.class}
)
public void test_ConstructorLjava_io_InputStream_IOException() throws IOException {
oos.writeObject(testString);
oos.close();
Support_ASimpleInputStream sis = new Support_ASimpleInputStream(bao.toByteArray());
sis.throwExceptionOnNextUse = true;
try {
ois = new ObjectInputStream(sis);
fail("Test 1: IOException expected.");
} catch (IOException e) {
// Expected.
}
sis.throwExceptionOnNextUse = false;
}
@TestTargets({
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "Verifies that object can be serialized and deserialized correctly with reading descriptor from serialization stream.",
method = "readClassDescriptor",
args = {}
),
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "Verifies that object can be serialized and deserialized correctly with reading descriptor from serialization stream.",
method = "readObject",
args = {}
)
})
public void test_ClassDescriptor() throws IOException,
ClassNotFoundException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStreamWithWriteDesc oos = new ObjectOutputStreamWithWriteDesc(
baos);
oos.writeObject(String.class);
oos.close();
Class<?> cls = TestClassForSerialization.class;
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
ObjectInputStreamWithReadDesc ois = new ObjectInputStreamWithReadDesc(
bais, cls);
Object obj = ois.readObject();
ois.close();
assertEquals(cls, obj);
}
/**
* @tests java.io.ObjectInputStream#available()
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
method = "available",
args = {}
)
public void test_available() throws IOException {
// Test for method int java.io.ObjectInputStream.available()
oos.writeBytes(testString);
oos.close();
Support_ASimpleInputStream sis = new Support_ASimpleInputStream(bao.toByteArray());
ois = new ObjectInputStream(sis);
assertEquals("Test 1: Incorrect number of bytes;", testLength, ois.available());
ois.close();
}
/**
* @tests java.io.ObjectInputStream#available()
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "Checks IOException.",
method = "available",
args = {}
)
public void test_available_IOException() throws IOException {
oos.writeObject(testString);
oos.close();
Support_ASimpleInputStream sis = new Support_ASimpleInputStream(bao.toByteArray());
ois = new ObjectInputStream(sis);
sis.throwExceptionOnNextUse = true;
try {
ois.available();
fail("Test 1: IOException expected.");
} catch (IOException e) {
// Expected.
}
sis.throwExceptionOnNextUse = false;
ois.close();
}
/**
* @tests java.io.ObjectInputStream#close()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
method = "close",
args = {}
)
public void test_close() throws Exception {
// Test for method void java.io.ObjectInputStream.close()
oos.writeObject(testString);
oos.close();
Support_ASimpleInputStream sis = new Support_ASimpleInputStream(bao.toByteArray());
ois = new ObjectInputStream(sis);
sis.throwExceptionOnNextUse = true;
try {
ois.close();
fail("Test 1: IOException expected.");
} catch (IOException e) {
// Expected.
}
sis.throwExceptionOnNextUse = false;
ois.close();
}
/**
* @tests java.io.ObjectInputStream#defaultReadObject()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "defaultReadObject",
args = {}
)
public void test_defaultReadObject() throws Exception {
// Test for method void java.io.ObjectInputStream.defaultReadObject()
// SM. This method may as well be private, as if called directly it
// throws an exception.
String s = testString;
oos.writeObject(s);
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
try {
ois.defaultReadObject();
fail("NotActiveException expected");
} catch (NotActiveException e) {
// Desired behavior
} finally {
ois.close();
}
}
/**
* @tests java.io.ObjectInputStream#enableResolveObject(boolean)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "Verifies enableResolveObject(boolean).",
method = "enableResolveObject",
args = {boolean.class}
)
public void test_enableResolveObjectB() throws IOException {
// Start testing without a SecurityManager.
BasicObjectInputStream bois = new BasicObjectInputStream();
assertFalse("Test 1: Object resolving must be disabled by default.",
bois.enableResolveObject(true));
assertTrue("Test 2: enableResolveObject did not return the previous value.",
bois.enableResolveObject(false));
}
/**
* @tests java.io.ObjectInputStream#read()
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
method = "read",
args = {}
)
public void test_read() throws IOException {
// Test for method int java.io.ObjectInputStream.read()
oos.write('T');
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
assertEquals("Read incorrect byte value", 'T', ois.read());
ois.close();
}
/**
* @tests java.io.ObjectInputStream#read()
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "Checks IOException.",
method = "read",
args = {}
)
public void test_read_IOException() throws IOException {
oos.writeObject(testString);
oos.close();
Support_ASimpleInputStream sis = new Support_ASimpleInputStream(bao.toByteArray());
ois = new ObjectInputStream(sis);
sis.throwExceptionOnNextUse = true;
try {
ois.read();
fail("Test 1: IOException expected.");
} catch (IOException e) {
// Expected.
}
sis.throwExceptionOnNextUse = false;
ois.close();
}
/**
* @tests java.io.ObjectInputStream#read(byte[], int, int)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
method = "read",
args = {byte[].class, int.class, int.class}
)
public void test_read$BII() throws IOException {
// Test for method int java.io.ObjectInputStream.read(byte [], int, int)
byte[] buf = new byte[testLength];
oos.writeBytes(testString);
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
ois.read(buf, 0, testLength);
ois.close();
assertEquals("Read incorrect bytes", testString, new String(buf));
}
/**
* @tests java.io.ObjectInputStream#read(byte[], int, int)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "Checks Exceptions.",
method = "read",
args = {byte[].class, int.class, int.class}
)
public void test_read$BII_Exception() throws IOException {
byte[] buf = new byte[testLength];
oos.writeObject(testString);
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
try {
ois.read(buf, 0, -1);
fail("IndexOutOfBoundsException was not thrown.");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
ois.read(buf, -1,1);
fail("IndexOutOfBoundsException was not thrown.");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
ois.read(buf, testLength, 1);
fail("IndexOutOfBoundsException was not thrown.");
} catch (IndexOutOfBoundsException e) {
// Expected
}
ois.close();
Support_ASimpleInputStream sis = new Support_ASimpleInputStream(bao.toByteArray());
ois = new ObjectInputStream(sis);
sis.throwExceptionOnNextUse = true;
try {
ois.read(buf, 0, testLength);
fail("Test 1: IOException expected.");
} catch (IOException e) {
// Expected.
}
sis.throwExceptionOnNextUse = false;
ois.close();
}
/**
* @tests java.io.ObjectInputStream#readFields()
* @tests java.io.ObjectOutputStream#writeFields()
*/
@TestTargets({
@TestTargetNew(
method = "readFields",
args = {},
level = TestLevel.COMPLETE
),
@TestTargetNew(
method = "writeFields",
args = {},
clazz = ObjectOutputStream.class,
level = TestLevel.COMPLETE
)
})
public void test_readFields() throws Exception {
// Test for method java.io.ObjectInputStream$GetField
// java.io.ObjectInputStream.readFields()
SerializableTestHelper sth;
/*
* "SerializableTestHelper" is an object created for these tests with
* two fields (Strings) and simple implementations of readObject and
* writeObject which simply read and write the first field but not the
* second
*/
oos.writeObject(new SerializableTestHelper("Gabba", "Jabba"));
oos.flush();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
sth = (SerializableTestHelper) (ois.readObject());
assertEquals("readFields / writeFields failed--first field not set",
"Gabba", sth.getText1());
assertNull(
"readFields / writeFields failed--second field should not have been set",
sth.getText2());
}
/**
* @tests java.io.ObjectInputStream#readFully(byte[])
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
method = "readFully",
args = {byte[].class}
)
public void test_readFully$B() throws IOException {
byte[] buf = new byte[testLength];
oos.writeBytes(testString);
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
ois.readFully(buf);
assertEquals("Test 1: Incorrect bytes read;",
testString, new String(buf));
ois.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
ois.read();
try {
ois.readFully(buf);
fail("Test 2: EOFException expected.");
} catch (EOFException e) {
// Expected.
}
}
/**
* @tests java.io.ObjectInputStream#readFully(byte[])
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "Checks IOException.",
method = "readFully",
args = {byte[].class}
)
public void test_readFully$B_Exception() throws IOException {
byte[] buf = new byte[testLength];
oos.writeObject(testString);
oos.close();
Support_ASimpleInputStream sis = new Support_ASimpleInputStream(bao.toByteArray());
ois = new ObjectInputStream(sis);
sis.throwExceptionOnNextUse = true;
try {
ois.readFully(buf);
fail("Test 1: IOException expected.");
} catch (IOException e) {
// Expected.
}
sis.throwExceptionOnNextUse = false;
ois.close();
}
/**
* @tests java.io.ObjectInputStream#readFully(byte[], int, int)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
method = "readFully",
args = {byte[].class, int.class, int.class}
)
public void test_readFully$BII() throws IOException {
// Test for method void java.io.ObjectInputStream.readFully(byte [],
// int, int)
byte[] buf = new byte[testLength];
oos.writeBytes(testString);
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
ois.readFully(buf, 0, testLength);
assertEquals("Read incorrect bytes", testString, new String(buf));
ois.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
ois.read();
try {
ois.readFully(buf);
fail("Test 2: EOFException expected.");
} catch (EOFException e) {
// Expected.
}
}
/**
* @tests java.io.ObjectInputStream#readFully(byte[], int, int)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "Checks Exceptions.",
method = "readFully",
args = {byte[].class, int.class, int.class}
)
public void test_readFully$BII_Exception() throws IOException {
byte[] buf = new byte[testLength];
oos.writeObject(testString);
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
try {
ois.readFully(buf, 0, -1);
fail("IndexOutOfBoundsException was not thrown.");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
ois.readFully(buf, -1,1);
fail("IndexOutOfBoundsException was not thrown.");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
ois.readFully(buf, testLength, 1);
fail("IndexOutOfBoundsException was not thrown.");
} catch (IndexOutOfBoundsException e) {
// Expected
}
ois.close();
Support_ASimpleInputStream sis = new Support_ASimpleInputStream(bao.toByteArray());
ois = new ObjectInputStream(sis);
sis.throwExceptionOnNextUse = true;
try {
ois.readFully(buf, 0, 1);
fail("Test 1: IOException expected.");
} catch (IOException e) {
// Expected.
}
sis.throwExceptionOnNextUse = false;
ois.close();
}
/**
* @tests java.io.ObjectInputStream#readLine()
*/
@SuppressWarnings("deprecation")
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
method = "readLine",
args = {}
)
public void test_readLine() throws IOException {
String line;
oos.writeBytes("Lorem\nipsum\rdolor sit amet...");
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
line = ois.readLine();
assertTrue("Test 1: Incorrect line written or read: " + line,
line.equals("Lorem"));
line = ois.readLine();
assertTrue("Test 2: Incorrect line written or read: " + line,
line.equals("ipsum"));
line = ois.readLine();
assertTrue("Test 3: Incorrect line written or read: " + line,
line.equals("dolor sit amet..."));
ois.close();
}
/**
* @tests java.io.ObjectInputStream#readLine()
*/
@SuppressWarnings("deprecation")
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "Checks IOException.",
method = "readLine",
args = {}
)
public void test_readLine_IOException() throws IOException {
oos.writeObject(testString);
oos.close();
Support_ASimpleInputStream sis = new Support_ASimpleInputStream(bao.toByteArray());
ois = new ObjectInputStream(sis);
sis.throwExceptionOnNextUse = true;
try {
ois.readLine();
fail("Test 1: IOException expected.");
} catch (IOException e) {
// Expected.
}
sis.throwExceptionOnNextUse = false;
ois.close();
}
/**
* @tests java.io.ObjectInputStream#readObject()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "readObject",
args = {}
)
public void test_readObject() throws Exception {
// Test for method java.lang.Object
// java.io.ObjectInputStream.readObject()
String s = testString;
oos.writeObject(s);
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
assertEquals("Read incorrect Object value", s, ois.readObject());
ois.close();
// Regression for HARMONY-91
// dynamically create serialization byte array for the next hierarchy:
// - class A implements Serializable
// - class C extends A
byte[] cName = C.class.getName().getBytes();
byte[] aName = A.class.getName().getBytes();
ByteArrayOutputStream out = new ByteArrayOutputStream();
byte[] begStream = new byte[] { (byte) 0xac, (byte) 0xed, // STREAM_MAGIC
(byte) 0x00, (byte) 0x05, // STREAM_VERSION
(byte) 0x73, // TC_OBJECT
(byte) 0x72, // TC_CLASSDESC
(byte) 0x00, // only first byte for C class name length
};
out.write(begStream, 0, begStream.length);
out.write(cName.length); // second byte for C class name length
out.write(cName, 0, cName.length); // C class name
byte[] midStream = new byte[] { (byte) 0x00, (byte) 0x00, (byte) 0x00,
(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
(byte) 0x21, // serialVersionUID = 33L
(byte) 0x02, // flags
(byte) 0x00, (byte) 0x00, // fields : none
(byte) 0x78, // TC_ENDBLOCKDATA
(byte) 0x72, // Super class for C: TC_CLASSDESC for A class
(byte) 0x00, // only first byte for A class name length
};
out.write(midStream, 0, midStream.length);
out.write(aName.length); // second byte for A class name length
out.write(aName, 0, aName.length); // A class name
byte[] endStream = new byte[] { (byte) 0x00, (byte) 0x00, (byte) 0x00,
(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
(byte) 0x0b, // serialVersionUID = 11L
(byte) 0x02, // flags
(byte) 0x00, (byte) 0x01, // fields
(byte) 0x4c, // field description: type L (object)
(byte) 0x00, (byte) 0x04, // length
// field = 'name'
(byte) 0x6e, (byte) 0x61, (byte) 0x6d, (byte) 0x65,
(byte) 0x74, // className1: TC_STRING
(byte) 0x00, (byte) 0x12, // length
//
(byte) 0x4c, (byte) 0x6a, (byte) 0x61, (byte) 0x76,
(byte) 0x61, (byte) 0x2f, (byte) 0x6c, (byte) 0x61,
(byte) 0x6e, (byte) 0x67, (byte) 0x2f, (byte) 0x53,
(byte) 0x74, (byte) 0x72, (byte) 0x69, (byte) 0x6e,
(byte) 0x67, (byte) 0x3b,
(byte) 0x78, // TC_ENDBLOCKDATA
(byte) 0x70, // NULL super class for A class
// classdata
(byte) 0x74, // TC_STRING
(byte) 0x00, (byte) 0x04, // length
(byte) 0x6e, (byte) 0x61, (byte) 0x6d, (byte) 0x65, // value
};
out.write(endStream, 0, endStream.length);
out.flush();
// read created serial. form
ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(
out.toByteArray()));
Object o = ois.readObject();
assertEquals(C.class, o.getClass());
// Regression for HARMONY-846
assertNull(new ObjectInputStream() {}.readObject());
}
private void fillStreamHeader(byte[] buffer) {
short magic = java.io.ObjectStreamConstants.STREAM_MAGIC;
short version = java.io.ObjectStreamConstants.STREAM_VERSION;
if (buffer.length < 4) {
throw new IllegalArgumentException("The buffer's minimal length must be 4.");
}
// Initialize the buffer with the correct header for object streams
buffer[0] = (byte) (magic >> 8);
buffer[1] = (byte) magic;
buffer[2] = (byte) (version >> 8);
buffer[3] = (byte) (version);
}
/**
* @tests java.io.ObjectInputStream#readObjectOverride()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "Verifies readObjectOverride().",
method = "readObjectOverride",
args = {}
)
public void test_readObjectOverride() throws Exception {
byte[] buffer = new byte[4];
// Initialize the buffer with the correct header for object streams
fillStreamHeader(buffer);
// Test 1: Check that readObjectOverride() returns null if there
// is no input stream.
BasicObjectInputStream bois = new BasicObjectInputStream();
assertNull("Test 1:", bois.readObjectOverride());
// Test 2: Check that readObjectOverride() throws an IOException
// if there is an input stream.
bois = new BasicObjectInputStream(new ByteArrayInputStream(buffer));
try {
bois.readObjectOverride();
fail("Test 2: IOException expected.");
} catch (IOException e) {}
bois.close();
}
/**
* @tests java.io.ObjectInputStream#readObject()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "readObject",
args = {}
)
public void test_readObjectMissingClasses() throws Exception {
SerializationTest.verifySelf(new A1(), new SerializableAssert() {
public void assertDeserialized(Serializable initial,
Serializable deserialized) {
assertEquals(5, ((A1) deserialized).b1.i);
}
});
}
/**
* @tests java.io.ObjectInputStream#readObject()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "readObject",
args = {}
)
public void test_readObjectCorrupt() {
byte[] bytes = { 00, 00, 00, 0x64, 0x43, 0x48, (byte) 0xFD, 0x71, 00,
00, 0x0B, (byte) 0xB8, 0x4D, 0x65 };
ByteArrayInputStream bin = new ByteArrayInputStream(bytes);
boolean exception = false;
try {
ObjectInputStream in = new ObjectInputStream(bin);
in.readObject();
fail("Unexpected read of corrupted stream");
} catch (StreamCorruptedException e) {
exception = true;
} catch (IOException e) {
fail("Unexpected: " + e);
} catch (ClassNotFoundException e) {
fail("Unexpected: " + e);
}
assertTrue("Expected StreamCorruptedException", exception);
}
/**
* @tests java.io.ObjectInputStream#readStreamHeader()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "Verifies readStreamHeader().",
method = "readStreamHeader",
args = {}
)
public void test_readStreamHeader() throws IOException {
String testString = "Lorem ipsum";
BasicObjectInputStream bois;
short magic = java.io.ObjectStreamConstants.STREAM_MAGIC;
short version = java.io.ObjectStreamConstants.STREAM_VERSION;
byte[] buffer = new byte[20];
// Initialize the buffer with the correct header for object streams
fillStreamHeader(buffer);
System.arraycopy(testString.getBytes(), 0, buffer, 4, testString.length());
// Test 1: readStreamHeader should not throw a StreamCorruptedException.
// It should get called by the ObjectInputStream constructor.
try {
readStreamHeaderCalled = false;
bois = new BasicObjectInputStream(new ByteArrayInputStream(buffer));
bois.close();
} catch (StreamCorruptedException e) {
fail("Test 1: Unexpected StreamCorruptedException.");
}
assertTrue("Test 1: readStreamHeader() has not been called.",
readStreamHeaderCalled);
// Test 2: Make the stream magic number invalid and check that
// readStreamHeader() throws an exception.
buffer[0] = (byte)magic;
buffer[1] = (byte)(magic >> 8);
try {
readStreamHeaderCalled = false;
bois = new BasicObjectInputStream(new ByteArrayInputStream(buffer));
fail("Test 2: StreamCorruptedException expected.");
bois.close();
} catch (StreamCorruptedException e) {
}
assertTrue("Test 2: readStreamHeader() has not been called.",
readStreamHeaderCalled);
// Test 3: Make the stream version invalid and check that
// readStreamHeader() throws an exception.
buffer[0] = (byte)(magic >> 8);
buffer[1] = (byte)magic;
buffer[2] = (byte)(version);
buffer[3] = (byte)(version >> 8);
try {
readStreamHeaderCalled = false;
bois = new BasicObjectInputStream(new ByteArrayInputStream(buffer));
fail("Test 3: StreamCorruptedException expected.");
bois.close();
} catch (StreamCorruptedException e) {
}
assertTrue("Test 3: readStreamHeader() has not been called.",
readStreamHeaderCalled);
}
/**
* @tests java.io.ObjectInputStream#readUnsignedByte()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
method = "readUnsignedByte",
args = {}
)
public void test_readUnsignedByte() throws IOException {
oos.writeByte(-1);
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
assertEquals("Test 1: Incorrect unsigned byte written or read.",
255, ois.readUnsignedByte());
try {
ois.readUnsignedByte();
fail("Test 2: EOFException expected.");
} catch (EOFException e) {
// Expected.
}
ois.close();
try {
ois.readUnsignedByte();
fail("Test 3: IOException expected.");
} catch (IOException e) {
// Expected.
}
}
/**
* @tests java.io.ObjectInputStream#readUnsignedShort()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
method = "readUnsignedShort",
args = {}
)
public void test_readUnsignedShort() throws IOException {
// Test for method int java.io.ObjectInputStream.readUnsignedShort()
oos.writeShort(-1);
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
assertEquals("Test 1: Incorrect unsigned short written or read.",
65535, ois.readUnsignedShort());
try {
ois.readUnsignedShort();
fail("Test 2: EOFException expected.");
} catch (EOFException e) {
// Expected.
}
ois.close();
try {
ois.readUnsignedShort();
fail("Test 3: IOException expected.");
} catch (IOException e) {
// Expected.
}
}
/**
* @tests java.io.ObjectInputStream#resolveProxyClass(String[])
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "Verifies resolveProxyClass(String[]).",
method = "resolveProxyClass",
args = {java.lang.String[].class}
)
public void test_resolveProxyClass() throws IOException {
BasicObjectInputStream bois;
byte[] buffer = new byte[10];
// Initialize the buffer with the header for object streams
fillStreamHeader(buffer);
bois = new BasicObjectInputStream(new ByteArrayInputStream(buffer));
// Test 1: Check that a NullPointerException is thrown
// if null is passed to the method.
try {
bois.resolveProxyClass(null);
fail("Test 1: NullPointerException expected.");
}
catch (NullPointerException npe) {
}
catch (ClassNotFoundException cnfe) {
fail("Test 1: Unexpected ClassNotFoundException.");
}
// Test 2: Check that visible interfaces are found.
try {
String[] interfaces = { "java.io.Closeable",
"java.lang.Cloneable" };
bois.resolveProxyClass(interfaces);
}
catch (ClassNotFoundException cnfe) {
fail("Test 2: Unexpected ClassNotFoundException.");
}
// Test 3: Check that a ClassNotFoundException is thrown if the
// array of interfaces is not valid.
try {
String[] interfaces = { "java.io.Closeable",
"java.io.Closeable" };
bois.resolveProxyClass(interfaces);
fail ("Test 3: ClassNotFoundException expected.");
}
catch (ClassNotFoundException cnfe) {
}
bois.close();
}
/**
* @tests java.io.ObjectInputStream#skipBytes(int)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
method = "skipBytes",
args = {int.class}
)
public void test_skipBytesI() throws IOException {
// Test for method int java.io.ObjectInputStream.skipBytes(int)
byte[] buf = new byte[testLength];
oos.writeBytes(testString);
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
ois.skipBytes(5);
ois.read(buf, 0, 5);
ois.close();
assertEquals("Skipped incorrect bytes", testString.substring(5, 10),
new String(buf, 0, 5));
// Regression for HARMONY-844
try {
new ObjectInputStream() {}.skipBytes(0);
fail("NullPointerException expected.");
} catch (NullPointerException e) {
// Expected.
}
}
/**
* @tests java.io.ObjectInputStream#skipBytes(int)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "Checks IOException.",
method = "skipBytes",
args = {int.class}
)
public void test_skipBytesI_IOException() throws IOException {
oos.writeObject(testString);
oos.close();
Support_ASimpleInputStream sis = new Support_ASimpleInputStream(bao.toByteArray());
ois = new ObjectInputStream(sis);
sis.throwExceptionOnNextUse = true;
try {
ois.skipBytes(5);
fail("Test 1: IOException expected.");
} catch (IOException e) {
// Expected.
}
sis.throwExceptionOnNextUse = false;
ois.close();
}
// Regression Test for JIRA 2192
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "readObject",
args = {}
)
public void test_readObject_withPrimitiveClass() throws Exception {
// Make sure that system properties are set correctly
String dir = System.getProperty("java.io.tmpdir");
if (dir == null)
throw new Exception("System property java.io.tmpdir not defined.");
File file = new File(dir, "test.ser");
file.deleteOnExit();
Test test = new Test();
ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(
file));
out.writeObject(test);
out.close();
ObjectInputStream in = new ObjectInputStream(new FileInputStream(file));
Test another = (Test) in.readObject();
in.close();
assertEquals(test, another);
}
public static class A implements Serializable {
private static final long serialVersionUID = 11L;
public String name = "name";
}
public static class B extends A {}
public static class C extends B {
private static final long serialVersionUID = 33L;
}
public static class A1 implements Serializable {
static final long serialVersionUID = 5942584913446079661L;
B1 b1 = new B1();
B1 b2 = b1;
Vector v = new Vector();
}
public static class B1 implements Serializable {
int i = 5;
Hashtable h = new Hashtable();
}
public class SerializableTestHelper implements Serializable {
public String aField1;
public String aField2;
SerializableTestHelper() {
aField1 = null;
aField2 = null;
}
SerializableTestHelper(String s, String t) {
aField1 = s;
aField2 = t;
}
private void readObject(ObjectInputStream ois) throws Exception {
// note aField2 is not read
ObjectInputStream.GetField fields = ois.readFields();
aField1 = (String) fields.get("aField1", "Zap");
}
private void writeObject(ObjectOutputStream oos) throws IOException {
// note aField2 is not written
ObjectOutputStream.PutField fields = oos.putFields();
fields.put("aField1", aField1);
oos.writeFields();
}
public String getText1() {
return aField1;
}
public void setText1(String s) {
aField1 = s;
}
public String getText2() {
return aField2;
}
public void setText2(String s) {
aField2 = s;
}
}
class BasicObjectInputStream extends ObjectInputStream {
public BasicObjectInputStream() throws IOException, SecurityException {
super();
}
public BasicObjectInputStream(InputStream input)
throws StreamCorruptedException, IOException {
super(input);
}
public boolean enableResolveObject(boolean enable)
throws SecurityException {
return super.enableResolveObject(enable);
}
public Object readObjectOverride() throws OptionalDataException,
ClassNotFoundException, IOException {
return super.readObjectOverride();
}
public void readStreamHeader() throws IOException,
StreamCorruptedException {
readStreamHeaderCalled = true;
super.readStreamHeader();
}
public Class<?> resolveProxyClass(String[] interfaceNames)
throws IOException, ClassNotFoundException {
return super.resolveProxyClass(interfaceNames);
}
}
//Regression Test for JIRA-2249
public static class ObjectOutputStreamWithWriteDesc extends
ObjectOutputStream {
public ObjectOutputStreamWithWriteDesc(OutputStream os)
throws IOException {
super(os);
}
public void writeClassDescriptor(ObjectStreamClass desc)
throws IOException {
}
}
public static class ObjectInputStreamWithReadDesc extends
ObjectInputStream {
private Class returnClass;
public ObjectInputStreamWithReadDesc(InputStream is, Class returnClass)
throws IOException {
super(is);
this.returnClass = returnClass;
}
public ObjectStreamClass readClassDescriptor() throws IOException,
ClassNotFoundException {
return ObjectStreamClass.lookup(returnClass);
}
}
static class TestClassForSerialization implements Serializable {
private static final long serialVersionUID = 1L;
}
// Regression Test for JIRA-2340
public static class ObjectOutputStreamWithWriteDesc1 extends
ObjectOutputStream {
public ObjectOutputStreamWithWriteDesc1(OutputStream os)
throws IOException {
super(os);
}
public void writeClassDescriptor(ObjectStreamClass desc)
throws IOException {
super.writeClassDescriptor(desc);
}
}
public static class ObjectInputStreamWithReadDesc1 extends
ObjectInputStream {
public ObjectInputStreamWithReadDesc1(InputStream is)
throws IOException {
super(is);
}
public ObjectStreamClass readClassDescriptor() throws IOException,
ClassNotFoundException {
return super.readClassDescriptor();
}
}
// Regression test for Harmony-1921
public static class ObjectInputStreamWithResolve extends ObjectInputStream {
public ObjectInputStreamWithResolve(InputStream in) throws IOException {
super(in);
}
protected Class<?> resolveClass(ObjectStreamClass desc)
throws IOException, ClassNotFoundException {
if (desc.getName().equals(
"org.apache.harmony.luni.tests.pkg1.TestClass")) {
return org.apache.harmony.luni.tests.pkg2.TestClass.class;
}
return super.resolveClass(desc);
}
}
@TestTargetNew(
level = TestLevel.SUFFICIENT,
notes = "No IOException testing since this seems not to be thrown.",
method = "resolveClass",
args = {java.io.ObjectStreamClass.class}
)
public void test_resolveClass() throws Exception {
org.apache.harmony.luni.tests.pkg1.TestClass to1 = new org.apache.harmony.luni.tests.pkg1.TestClass();
to1.i = 555;
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(to1);
oos.flush();
byte[] bytes = baos.toByteArray();
ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
ObjectInputStream ois = new ObjectInputStreamWithResolve(bais);
org.apache.harmony.luni.tests.pkg2.TestClass to2 = (org.apache.harmony.luni.tests.pkg2.TestClass) ois
.readObject();
if (to2.i != to1.i) {
fail("Wrong object read. Expected val: " + to1.i + ", got: " + to2.i);
}
}
static class ObjectInputStreamWithResolveObject extends ObjectInputStream {
public static Integer intObj = Integer.valueOf(1000);
public ObjectInputStreamWithResolveObject(InputStream in) throws IOException {
super(in);
enableResolveObject(true);
}
protected Object resolveObject(Object obj) throws IOException {
if(obj instanceof Integer){
obj = intObj;
}
return super.resolveObject(obj);
}
}
/**
* @tests java.io.ObjectInputStream#resolveObject(Object)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "resolveObject",
args = {java.lang.Object.class}
)
public void test_resolveObjectLjava_lang_Object() throws Exception {
// Write an Integer object into memory
Integer original = new Integer(10);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(original);
oos.flush();
oos.close();
// Read the object from memory
byte[] bytes = baos.toByteArray();
ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
ObjectInputStreamWithResolveObject ois =
new ObjectInputStreamWithResolveObject(bais);
Integer actual = (Integer) ois.readObject();
ois.close();
// object should be resolved from 10 to 1000
assertEquals(ObjectInputStreamWithResolveObject.intObj, actual);
}
/**
* @tests java.io.ObjectInputStream#readClassDescriptor()
* @tests java.io.ObjectOutputStream#writeClassDescriptor(ObjectStreamClass)
*/
@TestTargets(
{
@TestTargetNew(
method = "readClassDescriptor",
args = {},
level = TestLevel.PARTIAL_COMPLETE
),
@TestTargetNew(
method = "writeClassDescriptor",
args = {ObjectStreamClass.class},
clazz = ObjectOutputStream.class,
level = TestLevel.COMPLETE
)
}
)
public void test_readClassDescriptor() throws IOException,
ClassNotFoundException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStreamWithWriteDesc1 oos = new ObjectOutputStreamWithWriteDesc1(
baos);
ObjectStreamClass desc = ObjectStreamClass
.lookup(TestClassForSerialization.class);
oos.writeClassDescriptor(desc);
oos.close();
byte[] bytes = baos.toByteArray();
ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
ObjectInputStreamWithReadDesc1 ois = new ObjectInputStreamWithReadDesc1(
bais);
Object obj = ois.readClassDescriptor();
ois.close();
assertEquals(desc.getClass(), obj.getClass());
//eof
bais = new ByteArrayInputStream(bytes);
ExceptionalBufferedInputStream bis = new ExceptionalBufferedInputStream(
bais);
ois = new ObjectInputStreamWithReadDesc1(bis);
bis.setEOF(true);
try {
obj = ois.readClassDescriptor();
} catch (IOException e) {
//e.printStackTrace();
} finally {
ois.close();
}
//throw exception
bais = new ByteArrayInputStream(bytes);
bis = new ExceptionalBufferedInputStream(bais);
ois = new ObjectInputStreamWithReadDesc1(bis);
bis.setException(new IOException());
try {
obj = ois.readClassDescriptor();
} catch (IOException e) {
//e.printStackTrace();
} finally {
ois.close();
}
//corrupt
bais = new ByteArrayInputStream(bytes);
bis = new ExceptionalBufferedInputStream(bais);
ois = new ObjectInputStreamWithReadDesc1(bis);
bis.setCorrupt(true);
try {
obj = ois.readClassDescriptor();
} catch (IOException e) {
//e.printStackTrace();
} finally {
ois.close();
}
}
static class ExceptionalBufferedInputStream extends BufferedInputStream {
private boolean eof = false;
private IOException exception = null;
private boolean corrupt = false;
public ExceptionalBufferedInputStream(InputStream in) {
super(in);
}
public int read() throws IOException {
if (exception != null) {
throw exception;
}
if (eof) {
return -1;
}
if (corrupt) {
return 0;
}
return super.read();
}
public void setEOF(boolean eof) {
this.eof = eof;
}
public void setException(IOException exception) {
this.exception = exception;
}
public void setCorrupt(boolean corrupt) {
this.corrupt = corrupt;
}
}
// Regression Test for Harmony-2402
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "registerValidation",
args = {java.io.ObjectInputValidation.class, int.class}
)
public void test_registerValidation() throws Exception {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
new ObjectOutputStream(baos);
ObjectInputStream ois = new ObjectInputStream(
new ByteArrayInputStream(baos.toByteArray()));
try {
ois.registerValidation(null, 256);
fail("NotActiveException should be thrown");
} catch (NotActiveException nae) {
// expected
}
}
protected void setUp() throws Exception {
super.setUp();
oos = new ObjectOutputStream(bao = new ByteArrayOutputStream());
}
}
class Test implements Serializable {
private static final long serialVersionUID = 1L;
Class<?> classes[] = new Class[] { byte.class, short.class, int.class,
long.class, boolean.class, char.class, float.class, double.class };
public boolean equals(Object o) {
if (!(o instanceof Test)) {
return false;
}
return Arrays.equals(classes, ((Test) o).classes);
}
}