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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed 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 libcore.java.io;
import java.io.IOException;
import java.io.InvalidClassException;
import java.io.ObjectStreamClass;
import java.io.ObjectStreamField;
import java.io.Serializable;
import junit.framework.TestCase;
import libcore.util.SerializationTester;
public final class SerializationTest extends TestCase {
// http://b/4471249
public void testSerializeFieldMadeTransient() throws Exception {
// Does ObjectStreamClass have the right idea?
ObjectStreamClass osc = ObjectStreamClass.lookup(FieldMadeTransient.class);
ObjectStreamField[] fields = osc.getFields();
assertEquals(1, fields.length);
assertEquals("nonTransientInt", fields[0].getName());
assertEquals(int.class, fields[0].getType());
// this was created by serializing a FieldMadeTransient with a non-0 transientInt
String s = "aced0005737200346c6962636f72652e6a6176612e696f2e53657269616c697a6174696f6e54657"
+ "374244669656c644d6164655472616e7369656e74000000000000000002000149000c7472616e736"
+ "9656e74496e747870abababab";
FieldMadeTransient deserialized = (FieldMadeTransient) SerializationTester.deserializeHex(s);
assertEquals(0, deserialized.transientInt);
}
static class FieldMadeTransient implements Serializable {
private static final long serialVersionUID = 0L;
private transient int transientInt;
private int nonTransientInt;
}
public void testSerialVersionUidChange() throws Exception {
// this was created by serializing a SerialVersionUidChanged with serialVersionUID = 0L
String s = "aced0005737200396c6962636f72652e6a6176612e696f2e53657269616c697a6174696f6e54657"
+ "3742453657269616c56657273696f6e5569644368616e67656400000000000000000200014900016"
+ "1787000000003";
try {
SerializationTester.deserializeHex(s);
fail();
} catch (InvalidClassException expected) {
}
}
static class SerialVersionUidChanged implements Serializable {
private static final long serialVersionUID = 1L; // was 0L
private int a;
}
public void testMissingSerialVersionUid() throws Exception {
// this was created by serializing a FieldsChanged with one int field named 'a'
String s = "aced00057372002f6c6962636f72652e6a6176612e696f2e53657269616c697a6174696f6e54657"
+ "374244669656c64734368616e6765643bcfb934e310fa1c02000149000161787000000003";
try {
SerializationTester.deserializeHex(s);
fail();
} catch (InvalidClassException expected) {
}
}
static class FieldsChanged implements Serializable {
private int b; // was 'a'
}
}
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