/*
* 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.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.Externalizable;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.NotActiveException;
import java.io.NotSerializableException;
import java.io.ObjectInput;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import java.io.ObjectStreamClass;
import java.io.ObjectStreamConstants;
import java.io.ObjectStreamException;
import java.io.ObjectStreamField;
import java.io.OutputStream;
import java.io.Serializable;
import java.io.SerializablePermission;
import java.io.WriteAbortedException;
import java.security.Permission;
import java.util.Arrays;
@SuppressWarnings( { "unused", "serial" })
public class ObjectOutputStreamTest extends junit.framework.TestCase implements
Serializable {
java.io.File f;
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 IOException {
// note aField2 is not read
try {
ObjectInputStream.GetField fields = ois.readFields();
aField1 = (String) fields.get("aField1", "Zap");
} catch (Exception e) {
}
}
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;
}
}
private static class SerializationTest implements java.io.Serializable {
int anInt = INIT_INT_VALUE;
public SerializationTest() {
super();
}
}
private static class SerializationTestSubclass1 extends SerializationTest
implements Serializable {
String aString = INIT_STR_VALUE;
public SerializationTestSubclass1() {
super();
// Just to change default superclass init value
anInt = INIT_INT_VALUE / 2;
}
}
private static class SpecTestSuperClass implements Runnable, Serializable {
protected java.lang.String instVar;
public void run() {
}
}
private static class SpecTest extends SpecTestSuperClass implements
Cloneable, Serializable {
public java.lang.String instVar1;
public static java.lang.String staticVar1;
public static java.lang.String staticVar2;
{
instVar1 = "NonStaticInitialValue";
}
static {
staticVar1 = "StaticInitialValue";
staticVar1 = new String(staticVar1);
}
public Object method(Object objParam, Object objParam2) {
return new Object();
}
public boolean method(boolean bParam, Object objParam) {
return true;
}
public boolean method(boolean bParam, Object objParam, Object objParam2) {
return true;
}
}
private static class SpecTestSubclass extends SpecTest implements
Serializable {
public transient java.lang.String transientInstVar = "transientValue";
}
private static class ReadWriteObject implements java.io.Serializable {
public boolean calledWriteObject = false;
public boolean calledReadObject = false;
public ReadWriteObject() {
super();
}
private void readObject(java.io.ObjectInputStream in)
throws java.io.IOException, ClassNotFoundException {
calledReadObject = true;
in.readObject();
}
private void writeObject(java.io.ObjectOutputStream out)
throws java.io.IOException {
calledWriteObject = true;
out.writeObject(FOO);
}
}
private static class PublicReadWriteObject implements java.io.Serializable {
public boolean calledWriteObject = false;
public boolean calledReadObject = false;
public PublicReadWriteObject() {
super();
}
public void readObject(java.io.ObjectInputStream in)
throws java.io.IOException, ClassNotFoundException {
calledReadObject = true;
in.readObject();
}
public void writeObject(java.io.ObjectOutputStream out)
throws java.io.IOException {
calledWriteObject = true;
out.writeObject(FOO);
}
}
private static class FieldOrder implements Serializable {
String aaa1NonPrimitive = "aaa1";
int bbb1PrimitiveInt = 5;
boolean aaa2PrimitiveBoolean = true;
String bbb2NonPrimitive = "bbb2";
}
private static class JustReadObject implements java.io.Serializable {
public boolean calledReadObject = false;
public JustReadObject() {
super();
}
private void readObject(java.io.ObjectInputStream in)
throws java.io.IOException, ClassNotFoundException {
calledReadObject = true;
in.defaultReadObject();
}
}
private static class JustWriteObject implements java.io.Serializable {
public boolean calledWriteObject = false;
public JustWriteObject() {
super();
}
private void writeObject(java.io.ObjectOutputStream out)
throws java.io.IOException, ClassNotFoundException {
calledWriteObject = true;
out.defaultWriteObject();
}
}
private static class ClassBasedReplacementWhenDumping implements
java.io.Serializable {
public boolean calledReplacement = false;
public ClassBasedReplacementWhenDumping() {
super();
}
private Object writeReplace() {
calledReplacement = true;
return FOO; // Replacement is a String
}
}
private static class MultipleClassBasedReplacementWhenDumping implements
java.io.Serializable {
private static class C1 implements java.io.Serializable {
private Object writeReplace() {
return new C2();
}
}
private static class C2 implements java.io.Serializable {
private Object writeReplace() {
return new C3();
}
}
private static class C3 implements java.io.Serializable {
private Object writeReplace() {
return FOO;
}
}
public MultipleClassBasedReplacementWhenDumping() {
super();
}
private Object writeReplace() {
return new C1();
}
}
private static class ClassBasedReplacementWhenLoading implements
java.io.Serializable {
public ClassBasedReplacementWhenLoading() {
super();
}
private Object readResolve() {
return FOO; // Replacement is a String
}
}
private static class ClassBasedReplacementWhenLoadingViolatesFieldType
implements java.io.Serializable {
public ClassBasedReplacementWhenLoading classBasedReplacementWhenLoading = new ClassBasedReplacementWhenLoading();
public ClassBasedReplacementWhenLoadingViolatesFieldType() {
super();
}
}
private static class MyExceptionWhenDumping implements java.io.Serializable {
private static class MyException extends java.io.IOException {
};
public boolean anInstanceVar = false;
public MyExceptionWhenDumping() {
super();
}
private void readObject(java.io.ObjectInputStream in)
throws java.io.IOException, ClassNotFoundException {
in.defaultReadObject();
}
private void writeObject(java.io.ObjectOutputStream out)
throws java.io.IOException, ClassNotFoundException {
throw new MyException();
}
}
private static class NonSerializableExceptionWhenDumping implements
java.io.Serializable {
public Object anInstanceVar = new Object();
public NonSerializableExceptionWhenDumping() {
super();
}
}
private static class MyUnserializableExceptionWhenDumping implements
java.io.Serializable {
private static class MyException extends java.io.IOException {
private Object notSerializable = new Object();
};
public boolean anInstanceVar = false;
public MyUnserializableExceptionWhenDumping() {
super();
}
private void readObject(java.io.ObjectInputStream in)
throws java.io.IOException, ClassNotFoundException {
in.defaultReadObject();
}
private void writeObject(java.io.ObjectOutputStream out)
throws java.io.IOException, ClassNotFoundException {
throw new MyException();
}
}
private static class WithUnmatchingSerialPersistentFields implements
java.io.Serializable {
private static final ObjectStreamField[] serialPersistentFields = { new ObjectStreamField(
"value", String.class) };
public int anInstanceVar = 5;
public WithUnmatchingSerialPersistentFields() {
super();
}
}
private static class WithMatchingSerialPersistentFields implements
java.io.Serializable {
private static final ObjectStreamField[] serialPersistentFields = { new ObjectStreamField(
"anInstanceVar", String.class) };
public String anInstanceVar = FOO + FOO;
public WithMatchingSerialPersistentFields() {
super();
}
}
private static class SerialPersistentFields implements java.io.Serializable {
private static final String SIMULATED_FIELD_NAME = "text";
private static final ObjectStreamField[] serialPersistentFields = { new ObjectStreamField(
SIMULATED_FIELD_NAME, String.class) };
public int anInstanceVar = 5;
public SerialPersistentFields() {
super();
}
private void readObject(java.io.ObjectInputStream in)
throws java.io.IOException, ClassNotFoundException {
ObjectInputStream.GetField fields = in.readFields();
anInstanceVar = Integer.parseInt((String) fields.get(
SIMULATED_FIELD_NAME, "-5"));
}
private void writeObject(java.io.ObjectOutputStream out)
throws java.io.IOException, ClassNotFoundException {
ObjectOutputStream.PutField fields = out.putFields();
fields.put(SIMULATED_FIELD_NAME, Integer.toString(anInstanceVar));
out.writeFields();
}
}
private static class WriteFieldsWithoutFetchingPutFields implements
java.io.Serializable {
private static final String SIMULATED_FIELD_NAME = "text";
private static final ObjectStreamField[] serialPersistentFields = { new ObjectStreamField(
SIMULATED_FIELD_NAME, String.class) };
public int anInstanceVar = 5;
public WriteFieldsWithoutFetchingPutFields() {
super();
}
private void readObject(java.io.ObjectInputStream in)
throws java.io.IOException, ClassNotFoundException {
in.readFields();
}
private void writeObject(java.io.ObjectOutputStream out)
throws java.io.IOException, ClassNotFoundException {
out.writeFields();
}
}
private static class SerialPersistentFieldsWithoutField implements
java.io.Serializable {
public int anInstanceVar = 5;
public SerialPersistentFieldsWithoutField() {
super();
}
private void readObject(java.io.ObjectInputStream in)
throws java.io.IOException, ClassNotFoundException {
in.readFields();
}
private void writeObject(java.io.ObjectOutputStream out)
throws java.io.IOException, ClassNotFoundException {
out.putFields();
out.writeFields();
}
}
private static class NotSerializable {
private int foo;
public NotSerializable() {
}
protected Object writeReplace() throws ObjectStreamException {
return new Integer(42);
}
}
private static class WriteReplaceObject implements Serializable {
private Object replaceObject;
private static enum Color {
red, blue, green
};
public WriteReplaceObject(Object o) {
replaceObject = o;
}
protected Object writeReplace() throws ObjectStreamException {
return replaceObject;
}
}
private static class ExternalizableWithReplace implements Externalizable {
private int foo;
public ExternalizableWithReplace() {
}
protected Object writeReplace() throws ObjectStreamException {
return new Integer(42);
}
public void writeExternal(ObjectOutput out) {
}
public void readExternal(ObjectInput in) {
}
}
private static class ObjectOutputStreamWithReplace extends ObjectOutputStream {
public ObjectOutputStreamWithReplace(OutputStream out) throws IOException {
super(out);
enableReplaceObject(true);
}
protected Object replaceObject(Object obj) throws IOException {
if (obj instanceof NotSerializable) {
return new Long(10);
}
if (obj instanceof Integer) {
return new Long(((Integer) obj).longValue());
}
return super.replaceObject(obj);
}
}
private static class ObjectOutputStreamWithReplace2 extends
ObjectOutputStream {
public ObjectOutputStreamWithReplace2(OutputStream out)
throws IOException {
super(out);
enableReplaceObject(true);
}
protected Object replaceObject(Object obj) throws IOException {
return new Long(10);
}
}
private static class ObjectOutputStreamWriteOverride extends ObjectOutputStream {
String test = "test";
protected ObjectOutputStreamWriteOverride() throws IOException,
SecurityException {
super();
}
@Override
protected void writeObjectOverride(Object object) throws IOException {
test = null;
super.writeObjectOverride(object);
}
}
protected static final String MODE_XLOAD = "xload";
protected static final String MODE_XDUMP = "xdump";
static final String FOO = "foo";
static final String MSG_WITE_FAILED = "Failed to write: ";
private static final boolean DEBUG = false;
protected static boolean xload = false;
protected static boolean xdump = false;
protected static String xFileName = null;
protected ObjectInputStream ois;
protected ObjectOutputStream oos;
protected ByteArrayOutputStream bao;
static final int INIT_INT_VALUE = 7;
static final String INIT_STR_VALUE = "a string that is blortz";
/**
* @tests java.io.ObjectOutputStream#ObjectOutputStream(java.io.OutputStream)
*/
public void test_ConstructorLjava_io_OutputStream() throws IOException {
// Test for method java.io.ObjectOutputStream(java.io.OutputStream)
oos.close();
oos = new ObjectOutputStream(new ByteArrayOutputStream());
oos.close();
}
/**
* @tests java.io.ObjectOutputStream#ObjectOutputStream(java.io.OutputStream)
*/
public void test_ConstructorLjava_io_OutputStream_subtest0() throws IOException {
// custom security manager
SecurityManager sm = new SecurityManager() {
final SerializablePermission forbidenPermission =
new SerializablePermission("enableSubclassImplementation");
public void checkPermission(Permission perm) {
if (forbidenPermission.equals(perm)) {
throw new SecurityException();
}
}
};
SecurityManager oldSm = System.getSecurityManager();
System.setSecurityManager(sm);
try {
ByteArrayOutputStream out = new ByteArrayOutputStream();
// should not cause SecurityException
new ObjectOutputStream(out);
// should not cause SecurityException
class SubTest1 extends ObjectOutputStream {
SubTest1(OutputStream out) throws IOException {
super(out);
}
}
// should not cause SecurityException
new SubTest1(out);
class SubTest2 extends ObjectOutputStream {
SubTest2(OutputStream out) throws IOException {
super(out);
}
public void writeUnshared(Object obj) throws IOException {
}
}
try {
new SubTest2(out);
fail("should throw SecurityException 1");
} catch (SecurityException e) {
}
class SubTest3 extends ObjectOutputStream {
SubTest3(OutputStream out) throws IOException {
super(out);
}
public PutField putFields() throws IOException {
return null;
}
}
try {
new SubTest3(out);
fail("should throw SecurityException 2");
} catch (SecurityException e) {
}
} finally {
System.setSecurityManager(oldSm);
}
}
/**
* @tests java.io.ObjectOutputStream#close()
*/
public void test_close() {
// Test for method void java.io.ObjectOutputStream.close()
}
/**
* @tests java.io.ObjectOutputStream#defaultWriteObject()
*/
public void test_defaultWriteObject() throws IOException {
// Test for method void java.io.ObjectOutputStream.defaultWriteObject()
try {
oos.defaultWriteObject();
fail("Failed to throw NotActiveException");
} catch (NotActiveException e) {
// Correct
}
}
/**
* @tests java.io.ObjectOutputStream#flush()
*/
public void test_flush() throws Exception {
// Test for method void java.io.ObjectOutputStream.flush()
int size = bao.size();
oos.writeByte(127);
assertTrue("Data flushed already", bao.size() == size);
oos.flush();
assertTrue("Failed to flush data", bao.size() > size);
// we don't know how many bytes are actually written for 1
// byte, so we test > <before>
oos.close();
oos = null;
}
/**
* @tests java.io.ObjectOutputStream#putFields()
*/
public void test_putFields() throws Exception {
// Test for method java.io.ObjectOutputStream$PutField
// java.io.ObjectOutputStream.putFields()
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.ObjectOutputStream#reset()
*/
public void test_reset() throws Exception {
// Test for method void java.io.ObjectOutputStream.reset()
String o = "HelloWorld";
oos.writeObject(o);
oos.writeObject(o);
oos.reset();
oos.writeObject(o);
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
ois.close();
}
private static class ExternalTest implements Externalizable {
public String value;
public ExternalTest() {
}
public void setValue(String val) {
value = val;
}
public String getValue() {
return value;
}
public void writeExternal(ObjectOutput output) {
try {
output.writeUTF(value);
} catch (IOException e) {
e.printStackTrace();
}
}
public void readExternal(ObjectInput input) {
try {
value = input.readUTF();
} catch (IOException e) {
e.printStackTrace();
}
}
}
/**
* @tests java.io.ObjectOutputStream#useProtocolVersion(int)
*/
public void test_useProtocolVersionI() throws Exception {
// Test for method void
// java.io.ObjectOutputStream.useProtocolVersion(int)
oos.useProtocolVersion(ObjectOutputStream.PROTOCOL_VERSION_1);
ExternalTest t1 = new ExternalTest();
t1.setValue("hello1");
oos.writeObject(t1);
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
ExternalTest t2 = (ExternalTest) ois.readObject();
ois.close();
assertTrue(
"Cannot read/write PROTOCAL_VERSION_1 Externalizable objects: "
+ t2.getValue(), t1.getValue().equals(t2.getValue()));
// Cannot set protocol version when stream in-flight
ObjectOutputStream out = new ObjectOutputStream(new ByteArrayOutputStream());
out.writeObject("hello world");
try {
out.useProtocolVersion(ObjectStreamConstants.PROTOCOL_VERSION_1);
fail("Expected IllegalStateException");
} catch (IllegalStateException e) {
// Expected
}
}
/**
* @tests java.io.ObjectOutputStream#write(byte[])
*/
public void test_write$B() throws Exception {
// Test for method void java.io.ObjectOutputStream.write(byte [])
byte[] buf = new byte[10];
oos.write("HelloWorld".getBytes());
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
ois.read(buf, 0, 10);
ois.close();
assertEquals("Read incorrect bytes", "HelloWorld", new String(buf, 0,
10));
}
/**
* @tests java.io.ObjectOutputStream#write(byte[], int, int)
*/
public void test_write$BII() throws Exception {
// Test for method void java.io.ObjectOutputStream.write(byte [], int,
// int)
byte[] buf = new byte[10];
oos.write("HelloWorld".getBytes(), 0, 10);
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
ois.read(buf, 0, 10);
ois.close();
assertEquals("Read incorrect bytes", "HelloWorld", new String(buf, 0,
10));
}
/**
* @tests java.io.ObjectOutputStream#write(int)
*/
public void test_writeI() throws Exception {
// Test for method void java.io.ObjectOutputStream.write(int)
oos.write('T');
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
assertEquals("Read incorrect byte", 'T', ois.read());
ois.close();
}
/**
* @tests java.io.ObjectOutputStream#writeBoolean(boolean)
*/
public void test_writeBooleanZ() throws Exception {
// Test for method void java.io.ObjectOutputStream.writeBoolean(boolean)
oos.writeBoolean(true);
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
assertTrue("Wrote incorrect byte value", ois.readBoolean());
}
/**
* @tests java.io.ObjectOutputStream#writeByte(int)
*/
public void test_writeByteI() throws Exception {
// Test for method void java.io.ObjectOutputStream.writeByte(int)
oos.writeByte(127);
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
assertEquals("Wrote incorrect byte value", 127, ois.readByte());
}
/**
* @tests java.io.ObjectOutputStream#writeBytes(java.lang.String)
*/
public void test_writeBytesLjava_lang_String() throws Exception {
// Test for method void
// java.io.ObjectOutputStream.writeBytes(java.lang.String)
byte[] buf = new byte[10];
oos.writeBytes("HelloWorld");
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
ois.readFully(buf);
ois.close();
assertEquals("Wrote incorrect bytes value", "HelloWorld", new String(
buf, 0, 10));
}
/**
* @tests java.io.ObjectOutputStream#writeChar(int)
*/
public void test_writeCharI() throws Exception {
// Test for method void java.io.ObjectOutputStream.writeChar(int)
oos.writeChar('T');
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
assertEquals("Wrote incorrect char value", 'T', ois.readChar());
}
/**
* @tests java.io.ObjectOutputStream#writeChars(java.lang.String)
*/
public void test_writeCharsLjava_lang_String() throws Exception {
// Test for method void
// java.io.ObjectOutputStream.writeChars(java.lang.String)
int avail = 0;
char[] buf = new char[10];
oos.writeChars("HelloWorld");
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
// Number of prim data bytes in stream / 2 to give char index
avail = ois.available() / 2;
for (int i = 0; i < avail; ++i)
buf[i] = ois.readChar();
ois.close();
assertEquals("Wrote incorrect chars", "HelloWorld", new String(buf, 0,
10));
}
/**
* @tests java.io.ObjectOutputStream#writeDouble(double)
*/
public void test_writeDoubleD() throws Exception {
// Test for method void java.io.ObjectOutputStream.writeDouble(double)
oos.writeDouble(Double.MAX_VALUE);
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
assertTrue("Wrote incorrect double value",
ois.readDouble() == Double.MAX_VALUE);
}
/**
* @tests java.io.ObjectOutputStream#writeFields()
*/
public void test_writeFields() {
// Test for method void java.io.ObjectOutputStream.writeFields()
assertTrue("Used to test", true);
}
/**
* @tests java.io.ObjectOutputStream#writeFloat(float)
*/
public void test_writeFloatF() throws Exception {
// Test for method void java.io.ObjectOutputStream.writeFloat(float)
oos.writeFloat(Float.MAX_VALUE);
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
assertTrue("Wrote incorrect double value",
ois.readFloat() == Float.MAX_VALUE);
ois.close();
ois = null;
}
/**
* @tests java.io.ObjectOutputStream#writeInt(int)
*/
public void test_writeIntI() throws Exception {
// Test for method void java.io.ObjectOutputStream.writeInt(int)
oos.writeInt(Integer.MAX_VALUE);
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
assertTrue("Wrote incorrect double value",
ois.readInt() == Integer.MAX_VALUE);
ois.close();
}
/**
* @tests java.io.ObjectOutputStream#writeLong(long)
*/
public void test_writeLongJ() throws Exception {
// Test for method void java.io.ObjectOutputStream.writeLong(long)
oos.writeLong(Long.MAX_VALUE);
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
assertTrue("Wrote incorrect double value",
ois.readLong() == Long.MAX_VALUE);
}
/**
* @tests java.io.ObjectOutputStream#writeObject(java.lang.Object)
*/
public void test_writeObjectLjava_lang_Object() throws Exception {
// Test for method void
// java.io.ObjectOutputStream.writeObject(java.lang.Object)
Object objToSave = null;
Object objLoaded;
SerialPersistentFieldsWithoutField spf = new SerialPersistentFieldsWithoutField();
final int CONST = -500;
spf.anInstanceVar = CONST;
objToSave = spf;
if (DEBUG)
System.out.println("Obj = " + objToSave);
objLoaded = dumpAndReload(objToSave);
assertTrue(
"serialPersistentFields do not work properly in this implementation",
((SerialPersistentFieldsWithoutField) objLoaded).anInstanceVar != CONST);
}
/**
* @tests java.io.ObjectOutputStream#writeObject(java.lang.Object)
*/
public void test_writeObject_NotSerializable() throws Exception {
ObjectOutput out = null;
try {
out = new ObjectOutputStream(new ByteArrayOutputStream());
out.writeObject(new NotSerializable());
fail("Expected NotSerializableException");
} catch (NotSerializableException e) {}
out.writeObject(new ExternalizableWithReplace());
}
/**
* @tests {@link java.io.ObjectOutputStream#writeObjectOverride(Object)}
*/
public void test_writeObject_WriteOverride() throws Exception {
ObjectOutputStreamWriteOverride mockOut = new ObjectOutputStreamWriteOverride();
mockOut.writeObject(new Object());
assertNull(mockOut.test);
}
/**
* @tests java.io.ObjectOutputStream#writeShort(int)
*/
public void test_writeShortI() throws Exception {
// Test for method void java.io.ObjectOutputStream.writeShort(int)
oos.writeShort(127);
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
assertEquals("Wrote incorrect short value", 127, ois.readShort());
}
/**
* @tests java.io.ObjectOutputStream#writeUTF(java.lang.String)
*/
public void test_writeUTFLjava_lang_String() throws Exception {
// Test for method void
// java.io.ObjectOutputStream.writeUTF(java.lang.String)
oos.writeUTF("HelloWorld");
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao.toByteArray()));
assertEquals("Wrote incorrect UTF value", "HelloWorld", ois.readUTF());
}
/**
* @tests java.io.ObjectOutputStream#writeObject(java.lang.Object)
*/
public void test_writeObject_Exception() throws ClassNotFoundException, IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
ObjectOutputStream oos = new ObjectOutputStream(baos);
try {
oos.writeObject(new Object());
fail("should throw ObjectStreamException");
} catch (ObjectStreamException e) {
// expected
} finally {
oos.close();
baos.close();
}
byte[] bytes = baos.toByteArray();
ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(
bytes));
try {
ois.readObject();
fail("should throw WriteAbortedException");
} catch (WriteAbortedException e) {
// expected
} finally {
ois.close();
}
}
/**
* Sets up the fixture, for example, open a network connection. This method
* is called before a test is executed.
*/
protected void setUp() throws Exception {
super.setUp();
oos = new ObjectOutputStream(bao = new ByteArrayOutputStream());
}
/**
* 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();
if (oos != null) {
try {
oos.close();
} catch (Exception e) {}
}
if (f != null && f.exists()) {
if (!f.delete()) {
fail("Error cleaning up files during teardown");
}
}
}
protected Object reload() throws IOException, ClassNotFoundException {
// Choose the load stream
if (xload || xdump) {
// Load from pre-existing file
ois = new ObjectInputStream(new FileInputStream(xFileName + "-"
+ getName() + ".ser"));
} else {
// Just load from memory, we dumped to memory
ois = new ObjectInputStream(new ByteArrayInputStream(bao
.toByteArray()));
}
try {
return ois.readObject();
} finally {
ois.close();
}
}
protected void dump(Object o) throws IOException, ClassNotFoundException {
// Choose the dump stream
if (xdump) {
oos = new ObjectOutputStream(new FileOutputStream(
f = new java.io.File(xFileName + "-" + getName() + ".ser")));
} else {
oos = new ObjectOutputStream(bao = new ByteArrayOutputStream());
}
// Dump the object
try {
oos.writeObject(o);
} finally {
oos.close();
}
}
/**
* @tests java.io.ObjectOutputStream#writeInt(int)
* @tests java.io.ObjectOutputStream#writeObject(java.lang.Object)
* @tests java.io.ObjectOutputStream#writeUTF(java.lang.String)
*/
public void testMixPrimitivesAndObjects() throws Exception {
int i = 7;
String s1 = "string 1";
String s2 = "string 2";
byte[] bytes = { 1, 2, 3 };
try {
oos = new ObjectOutputStream(bao = new ByteArrayOutputStream());
oos.writeInt(i);
oos.writeObject(s1);
oos.writeUTF(s2);
oos.writeObject(bytes);
oos.close();
ois = new ObjectInputStream(new ByteArrayInputStream(bao
.toByteArray()));
int j = ois.readInt();
assertTrue("Wrong int :" + j, i == j);
String l1 = (String) ois.readObject();
assertTrue("Wrong obj String :" + l1, s1.equals(l1));
String l2 = ois.readUTF();
assertTrue("Wrong UTF String :" + l2, s2.equals(l2));
byte[] bytes2 = (byte[]) ois.readObject();
assertTrue("Wrong byte[]", Arrays.equals(bytes, bytes2));
} finally {
try {
if (oos != null)
oos.close();
if (ois != null)
ois.close();
} catch (IOException e) {}
}
}
/**
* @tests java.io.ObjectOutputStream#writeUnshared(java.lang.Object)
*/
public void test_writeUnshared() throws Exception {
//Regression for HARMONY-187
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(baos);
Object o = "foobar";
oos.writeObject(o);
oos.writeUnshared(o);
oos.writeObject(o);
oos.flush();
ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream (baos.toByteArray()));
Object[] oa = new Object[3];
for (int i = 0; i < oa.length; i++) {
oa[i] = ois.readObject();
}
oos.close();
ois.close();
// All three conditions must be met
assertNotSame("oa[0] != oa[1]", oa[0], oa[1]);
assertNotSame("oa[1] != oa[2]", oa[1], oa[2]);
assertSame("oa[0] == oa[2]", oa[0], oa[2]);
}
/**
* @tests java.io.ObjectOutputStream#writeUnshared(java.lang.Object)
*/
public void test_writeUnshared2() throws Exception {
//Regression for HARMONY-187
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(baos);
Object o = new Object[1];
oos.writeObject(o);
oos.writeUnshared(o);
oos.writeObject(o);
oos.flush();
ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream (baos.toByteArray()));
Object[] oa = new Object[3];
for (int i = 0; i < oa.length; i++) {
oa[i] = ois.readObject();
}
oos.close();
ois.close();
// All three conditions must be met
assertNotSame("oa[0] != oa[1]", oa[0], oa[1]);
assertNotSame("oa[1] != oa[2]", oa[1], oa[2]);
assertSame("oa[0] == oa[2]", oa[0], oa[2]);
}
protected Object dumpAndReload(Object o) throws IOException,
ClassNotFoundException {
dump(o);
return reload();
}
/**
* @tests java.io.ObjectOutputStream#useProtocolVersion(int)
*/
public void test_useProtocolVersionI_2() throws Exception {
ObjectOutputStream oos = new ObjectOutputStream(
new ByteArrayOutputStream());
oos.useProtocolVersion(ObjectOutputStream.PROTOCOL_VERSION_1);
oos.useProtocolVersion(ObjectOutputStream.PROTOCOL_VERSION_2);
try {
oos.useProtocolVersion(3);
fail("Protocol 3 should not be accepted");
} catch (IllegalArgumentException e) {
// expected
} finally {
oos.close();
}
}
/**
* @tests java.io.ObjectOutputStream#replaceObject(java.lang.Object)
*/
public void test_replaceObject() throws Exception {
//Regression for HARMONY-1429
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStreamWithReplace oos = new ObjectOutputStreamWithReplace(baos);
oos.writeObject(new NotSerializable());
oos.flush();
ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream (baos.toByteArray()));
Object obj = ois.readObject();
oos.close();
ois.close();
assertTrue("replaceObject has not been called", (obj instanceof Long));
//Regression for HARMONY-2239
Object replaceObject = int.class;
baos = new ByteArrayOutputStream();
ObjectOutputStreamWithReplace2 oos2 = new ObjectOutputStreamWithReplace2(
baos);
oos2.writeObject(new WriteReplaceObject(replaceObject));
oos2.flush();
ois = new ObjectInputStream(
new ByteArrayInputStream(baos.toByteArray()));
obj = ois.readObject();
oos.close();
ois.close();
assertTrue("replaceObject has not been called", (obj instanceof Long));
replaceObject = ObjectStreamClass.lookup(Integer.class);
baos = new ByteArrayOutputStream();
oos2 = new ObjectOutputStreamWithReplace2(baos);
oos2.writeObject(new WriteReplaceObject(replaceObject));
oos2.flush();
ois = new ObjectInputStream(
new ByteArrayInputStream(baos.toByteArray()));
obj = ois.readObject();
oos.close();
ois.close();
assertTrue("replaceObject has not been called", (obj instanceof Long));
replaceObject = WriteReplaceObject.Color.red;
baos = new ByteArrayOutputStream();
oos2 = new ObjectOutputStreamWithReplace2(baos);
oos2.writeObject(new WriteReplaceObject(replaceObject));
oos2.flush();
ois = new ObjectInputStream(
new ByteArrayInputStream(baos.toByteArray()));
obj = ois.readObject();
oos.close();
ois.close();
assertTrue("replaceObject has not been called", (obj instanceof Long));
// Regression for HARMONY-3158
Object obj1;
Object obj2;
Object obj3;
baos = new ByteArrayOutputStream();
oos = new ObjectOutputStreamWithReplace(baos);
oos.writeObject(new Integer(99));
oos.writeObject(Integer.class);
oos.writeObject(ObjectStreamClass.lookup(Integer.class));
oos.flush();
ois = new ObjectInputStream(new ByteArrayInputStream (baos.toByteArray()));
obj1 = ois.readObject();
obj2 = ois.readObject();
obj3 = ois.readObject();
oos.close();
ois.close();
assertTrue("1st replaceObject worked incorrectly", obj1 instanceof Long);
assertEquals("1st replaceObject worked incorrectly",
99, ((Long) obj1).longValue());
assertEquals("2nd replaceObject worked incorrectly", Integer.class, obj2);
assertEquals("3rd replaceObject worked incorrectly",
ObjectStreamClass.class, obj3.getClass());
}
}