/*
* 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.lang.reflect;
import java.io.ByteArrayOutputStream;
import java.io.CharArrayWriter;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
public class InvocationTargetExceptionTest extends junit.framework.TestCase {
static class TestMethod {
public TestMethod() {
}
public void voidMethod() throws IllegalArgumentException {
}
public void parmTest(int x, short y, String s, boolean bool, Object o,
long l, byte b, char c, double d, float f) {
}
public int intMethod() {
return 1;
}
public static final void printTest(int x, short y, String s,
boolean bool, Object o, long l, byte b, char c, double d,
float f) {
}
public double doubleMethod() {
return 1.0;
}
public short shortMethod() {
return (short) 1;
}
public byte byteMethod() {
return (byte) 1;
}
public float floatMethod() {
return 1.0f;
}
public long longMethod() {
return 1l;
}
public char charMethod() {
return 'T';
}
public Object objectMethod() {
return new Object();
}
private static void prstatic() {
}
public static void pustatic() {
}
public static synchronized void pustatsynch() {
}
public static int invokeStaticTest() {
return 1;
}
public int invokeInstanceTest() {
return 1;
}
private int privateInvokeTest() {
return 1;
}
public int invokeExceptionTest() throws NullPointerException {
throw new NullPointerException();
}
public static synchronized native void pustatsynchnat();
}
abstract class AbstractTestMethod {
public abstract void puabs();
}
class SubInvocationTargetException extends InvocationTargetException {}
/**
* java.lang.reflect.InvocationTargetException#InvocationTargetException()
*/
public void test_Constructor() throws Exception {
Constructor<InvocationTargetException> ctor = InvocationTargetException.class
.getDeclaredConstructor();
assertNotNull("Parameterless constructor does not exist.", ctor);
assertTrue("Constructor is not protected", Modifier.isProtected(ctor
.getModifiers()));
//create an instance of a subtype using this constructor
SubInvocationTargetException subException = new SubInvocationTargetException();
}
/**
* java.lang.reflect.InvocationTargetException#InvocationTargetException(java.lang.Throwable)
*/
public void test_ConstructorLjava_lang_Throwable() {
// Test for method
// java.lang.reflect.InvocationTargetException(java.lang.Throwable)
try {
Method mth = TestMethod.class.getDeclaredMethod(
"invokeExceptionTest", new Class[0]);
Object[] args = { Object.class };
Object ret = mth.invoke(new TestMethod(), new Object[0]);
} catch (InvocationTargetException e) {
// Correct behaviour
return;
} catch (NoSuchMethodException e) {
} catch (IllegalAccessException e) {
}
fail("Failed to throw exception");
}
/**
* java.lang.reflect.InvocationTargetException#InvocationTargetException(java.lang.Throwable,
* java.lang.String)
*/
public void test_ConstructorLjava_lang_ThrowableLjava_lang_String() {
// Test for method
// java.lang.reflect.InvocationTargetException(java.lang.Throwable,
// java.lang.String)
try {
Method mth = TestMethod.class.getDeclaredMethod(
"invokeExceptionTest", new Class[0]);
Object[] args = { Object.class };
Object ret = mth.invoke(new TestMethod(), new Object[0]);
} catch (InvocationTargetException e) {
// Correct behaviour
return;
} catch (NoSuchMethodException e) {
;
} catch (IllegalAccessException e) {
}
fail("Failed to throw exception");
}
/**
* java.lang.reflect.InvocationTargetException#getTargetException()
*/
public void test_getTargetException() {
// Test for method java.lang.Throwable
// java.lang.reflect.InvocationTargetException.getTargetException()
try {
Method mth = TestMethod.class.getDeclaredMethod(
"invokeExceptionTest", new Class[0]);
Object[] args = { Object.class };
Object ret = mth.invoke(new TestMethod(), new Object[0]);
} catch (InvocationTargetException e) {
// Correct behaviour
assertTrue("Returned incorrect target exception", e
.getTargetException() instanceof NullPointerException);
return;
} catch (Exception e) {
fail("Exception during constructor test : " + e.getMessage());
}
fail("Failed to throw exception");
}
/**
* java.lang.reflect.InvocationTargetException#getCause()
*/
public void test_getCause() {
// java.lang.reflect.InvocationTargetException.getCause()
try {
Method mth = TestMethod.class.getDeclaredMethod(
"invokeExceptionTest", new Class[0]);
Object[] args = {Object.class};
Object ret = mth.invoke(new TestMethod(), new Object[0]);
} catch (InvocationTargetException e) {
// Correct behaviour
assertTrue("Returned incorrect cause",
e.getCause() instanceof NullPointerException);
return;
} catch (Exception e) {
fail("Exception during InvocationTargetException test : "
+ e.getMessage());
}
fail("Failed to throw exception");
}
/**
* java.lang.reflect.InvocationTargetException#printStackTrace()
*/
public void test_printStackTrace() {
// Test for method void
// java.lang.reflect.InvocationTargetException.printStackTrace()
try {
ByteArrayOutputStream bao = new ByteArrayOutputStream();
PrintStream ps = new PrintStream(bao);
PrintStream oldErr = System.err;
System.setErr(ps);
InvocationTargetException ite = new InvocationTargetException(null);
ite.printStackTrace();
System.setErr(oldErr);
String s = new String(bao.toByteArray());
assertTrue("Incorrect Stack trace: " + s, s != null
&& s.length() > 300);
} catch (Exception e) {
fail("printStackTrace() caused exception : " + e.getMessage());
}
}
/**
* java.lang.reflect.InvocationTargetException#printStackTrace(java.io.PrintStream)
*/
public void test_printStackTraceLjava_io_PrintStream() {
// Test for method void
// java.lang.reflect.InvocationTargetException.printStackTrace(java.io.PrintStream)
assertTrue("Tested via test_printStackTrace().", true);
ByteArrayOutputStream bao = new ByteArrayOutputStream();
PrintStream ps = new PrintStream(bao);
InvocationTargetException ite = new InvocationTargetException(
new InvocationTargetException(null));
ite.printStackTrace(ps);
String s = bao.toString();
assertTrue("printStackTrace failed." + s.length(), s != null
&& s.length() > 400);
}
/**
* java.lang.reflect.InvocationTargetException#printStackTrace(java.io.PrintWriter)
*/
public void test_printStackTraceLjava_io_PrintWriter() {
// Test for method void
// java.lang.reflect.InvocationTargetException.printStackTrace(java.io.PrintWriter)
try {
PrintWriter pw;
InvocationTargetException ite;
String s;
CharArrayWriter caw = new CharArrayWriter();
pw = new PrintWriter(caw);
ite = new InvocationTargetException(new InvocationTargetException(
null));
ite.printStackTrace(pw);
s = caw.toString();
assertTrue("printStackTrace failed." + s.length(), s != null
&& s.length() > 400);
pw.close();
ByteArrayOutputStream bao = new ByteArrayOutputStream();
pw = new PrintWriter(bao);
ite = new InvocationTargetException(new InvocationTargetException(
null));
ite.printStackTrace(pw);
pw.flush(); // Test will fail if this line removed.
s = bao.toString();
assertTrue("printStackTrace failed." + s.length(), s != null
&& s.length() > 400);
} catch (Exception e) {
fail("Exception during test : " + e.getMessage());
}
}
/**
* Sets up the fixture, for example, open a network connection. This method
* is called before a test is executed.
*/
protected void setUp() {
}
/**
* Tears down the fixture, for example, close a network connection. This
* method is called after a test is executed.
*/
protected void tearDown() {
}
}