| /* |
| * 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 org.apache.harmony.tests.java.io; |
| |
| import dalvik.system.DexFile; |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InvalidClassException; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| import java.io.ObjectStreamClass; |
| import java.io.ObjectStreamException; |
| import java.io.Serializable; |
| import java.lang.reflect.Field; |
| import java.nio.file.Files; |
| import java.nio.file.StandardCopyOption; |
| import java.util.ArrayList; |
| |
| import junit.framework.TestCase; |
| |
| import org.apache.harmony.testframework.serialization.SerializationTest; |
| |
| public class ObjectInputStream2Test extends TestCase { |
| |
| public void test_readUnshared() throws IOException, ClassNotFoundException { |
| // Regression test for HARMONY-819 |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| try { |
| ObjectOutputStream oos = new ObjectOutputStream(baos); |
| oos.writeObject("abc"); |
| oos.writeObject("abc"); |
| oos.close(); |
| |
| ObjectInputStream ois = new ObjectInputStream( |
| new ByteArrayInputStream(baos.toByteArray())); |
| ois.readUnshared(); |
| ois.readObject(); |
| ois.close(); |
| fail("Expected ObjectStreamException"); |
| } catch (ObjectStreamException e) { |
| // expected |
| } |
| } |
| |
| /** |
| * Micro-scenario of de/serialization of an object with non-serializable |
| * superclass. The super-constructor only should be invoked on the |
| * deserialized instance. |
| */ |
| public void test_readObject_Hierarchy() throws IOException, |
| ClassNotFoundException { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| |
| ObjectOutputStream oos = new ObjectOutputStream(baos); |
| oos.writeObject(new B()); |
| oos.close(); |
| |
| ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream( |
| baos.toByteArray())); |
| B b = (B) ois.readObject(); |
| ois.close(); |
| |
| assertTrue("should construct super", A.list.contains(b)); |
| assertFalse("should not construct self", B.list.contains(b)); |
| assertEquals("super field A.s", A.DEFAULT, ((A) b).s); |
| assertNull("transient field B.s", b.s); |
| } |
| |
| /** |
| * {@link java.io.ObjectInputStream#readNewLongString()} |
| */ |
| public void test_readNewLongString() throws Exception { |
| LongString longString = new LongString(); |
| SerializationTest.verifySelf(longString); |
| } |
| |
| @SuppressWarnings("serial") |
| private static class LongString implements Serializable { |
| String lString; |
| |
| public LongString() { |
| StringBuilder builder = new StringBuilder(); |
| // construct a string whose length > 64K |
| for (int i = 0; i < 65636; i++) { |
| builder.append('1'); |
| } |
| lString = builder.toString(); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (o == this) { |
| return true; |
| } |
| if (o instanceof LongString) { |
| LongString l = (LongString) o; |
| return l.lString.equals(l.lString); |
| } |
| return true; |
| } |
| |
| @Override |
| public int hashCode() { |
| return lString.hashCode(); |
| } |
| } |
| |
| static class A { |
| static final ArrayList<A> list = new ArrayList<A>(); |
| String s; |
| public static final String DEFAULT = "aaa"; |
| |
| public A() { |
| s = DEFAULT; |
| list.add(this); |
| } |
| } |
| |
| static class B extends A implements Serializable { |
| private static final long serialVersionUID = 1L; |
| static final ArrayList<A> list = new ArrayList<A>(); |
| transient String s; |
| |
| public B() { |
| s = "bbb"; |
| list.add(this); |
| } |
| } |
| |
| class OIS extends ObjectInputStream { |
| |
| OIS() throws IOException { |
| super(); |
| } |
| |
| void test() throws ClassNotFoundException, IOException { |
| readClassDescriptor(); |
| } |
| |
| } |
| |
| public void test_readClassDescriptor() throws ClassNotFoundException, |
| IOException { |
| try { |
| new OIS().test(); |
| fail("Should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| } |
| |
| static class TestObjectInputStream extends ObjectInputStream { |
| public TestObjectInputStream(InputStream in) throws IOException { |
| super(in); |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| protected Class resolveClass(ObjectStreamClass desc) |
| throws IOException, ClassNotFoundException { |
| if (desc.getName().endsWith("ObjectInputStream2Test$TestClass1")) { |
| return TestClass2.class; |
| } |
| return super.resolveClass(desc); |
| } |
| } |
| |
| static class TestClass1 implements Serializable { |
| private static final long serialVersionUID = 11111L; |
| int i = 0; |
| } |
| |
| static class TestClass2 implements Serializable { |
| private static final long serialVersionUID = 11111L; |
| int i = 0; |
| } |
| |
| public void test_resolveClass_invalidClassName() throws Exception { |
| // Regression test for HARMONY-1920 |
| TestClass1 to1 = new TestClass1(); |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| ObjectOutputStream oos = new ObjectOutputStream(baos); |
| ByteArrayInputStream bais; |
| ObjectInputStream ois; |
| |
| to1.i = 555; |
| oos.writeObject(to1); |
| oos.flush(); |
| byte[] bytes = baos.toByteArray(); |
| bais = new ByteArrayInputStream(bytes); |
| ois = new TestObjectInputStream(bais); |
| |
| try { |
| ois.readObject(); |
| fail("Should throw InvalidClassException"); |
| } catch (InvalidClassException ice) { |
| // Excpected |
| } |
| } |
| |
| // http://b/29721023 |
| public void test_sameName() throws Exception { |
| // Load class from dex, it's not possible to create a class with same-named |
| // fields in java (but it's allowed in dex). |
| File sameFieldNames = File.createTempFile("sameFieldNames", ".dex"); |
| InputStream dexIs = this.getClass().getClassLoader(). |
| getResourceAsStream("tests/api/java/io/sameFieldNames.dex"); |
| assertNotNull(dexIs); |
| |
| Class<?> clazz = null; |
| |
| // Get the class object |
| try { |
| Files.copy(dexIs, sameFieldNames.toPath(), StandardCopyOption.REPLACE_EXISTING); |
| DexFile dexFile = new DexFile(sameFieldNames); |
| clazz = dexFile.loadClass("sameFieldNames", getClass().getClassLoader()); |
| dexFile.close(); |
| } finally { |
| if (sameFieldNames.exists()) { |
| sameFieldNames.delete(); |
| } |
| } |
| |
| // Create class instance, fill it with content |
| Object o1 = clazz.getConstructor().newInstance(); |
| int v = 123; |
| for(Field f : clazz.getFields()) { |
| if (f.getType() == Integer.class) { |
| f.set(o1, new Integer(v++)); |
| } else if (f.getType() == Long.class) { |
| f.set(o1, new Long(v++)); |
| } |
| } |
| |
| // Serialize and deserialize |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| ObjectOutputStream oos = new ObjectOutputStream(baos); |
| oos.writeObject(o1); |
| oos.close(); |
| ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream( |
| baos.toByteArray())); |
| Object o2 = ois.readObject(); |
| ois.close(); |
| |
| // Compare content |
| for(Field f : clazz.getFields()) { |
| assertEquals(f.get(o1), f.get(o2)); |
| } |
| } |
| } |