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/*
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/* @test
* @bug 4889342
* @summary This test verifies that when a primitive boolean value is
* passed by a dynamic proxy class to an invocation handler, it is
* boxed as one of the canonical Boolean instances (Boolean.TRUE or
* Boolean.FALSE). This test also exercises a dynamic proxy class's
* boxing of all primitive types.
* @author Peter Jones
*
* @run main Boxing
*/
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.util.Random;
public class Boxing {
private interface Test {
void m(byte b,
char c,
double d,
float f,
int i,
long j,
short s,
boolean z);
}
private static final int REPS = 100000;
private byte b;
private char c;
private double d;
private float f;
private int i;
private long j;
private short s;
private boolean z;
public static void main(String[] args) {
(new Boxing()).run();
System.err.println("TEST PASSED");
}
private void run() {
Random random = new Random(42); // ensure consistent test domain
Test proxy = (Test) Proxy.newProxyInstance(
Test.class.getClassLoader(),
new Class<?>[] { Test.class },
new TestHandler());
for (int rep = 0; rep < REPS; rep++) {
b = (byte) random.nextInt();
c = (char) random.nextInt();
d = random.nextDouble();
f = random.nextFloat();
i = random.nextInt();
j = random.nextLong();
s = (short) random.nextInt();
z = random.nextBoolean();
proxy.m(b,c,d,f,i,j,s,z);
}
}
private class TestHandler implements InvocationHandler {
public Object invoke(Object proxy, Method method, Object[] args)
throws Throwable
{
if (!method.getName().equals("m")) {
throw new AssertionError();
}
byte b2 = ((Byte) args[0]).byteValue();
if (b2 != b) {
throw new RuntimeException("TEST FAILED: " +
"wrong byte, expected " + b + " but got " + b2);
}
char c2 = ((Character) args[1]).charValue();
if (c2 != c) {
throw new RuntimeException("TEST FAILED: " +
"wrong char, expected " + c + " but got " + c2);
}
double d2 = ((Double) args[2]).doubleValue();
if (d2 != d) {
throw new RuntimeException("TEST FAILED: " +
"wrong double, expected " + d + " but got " + d2);
}
float f2 = ((Float) args[3]).floatValue();
if (f2 != f) {
throw new RuntimeException("TEST FAILED: " +
"wrong float, expected " + f + " but got " + f2);
}
int i2 = ((Integer) args[4]).intValue();
if (i2 != i) {
throw new RuntimeException("TEST FAILED: " +
"wrong int, expected " + i + " but got " + i2);
}
long j2 = ((Long) args[5]).longValue();
if (j2 != j) {
throw new RuntimeException("TEST FAILED: " +
"wrong long, expected " + j + " but got " + j2);
}
short s2 = ((Short) args[6]).shortValue();
if (s2 != s) {
throw new RuntimeException("TEST FAILED: " +
"wrong short, expected " + s + " but got " + s2);
}
Boolean Z = Boolean.valueOf(z);
Boolean Z2 = (Boolean) args[7];
if (Z2 != Z) {
throw new RuntimeException("TEST FAILED: " +
"wrong Boolean instance, expected " +
identityToString(Z) + " but got " + identityToString(Z2));
}
return null;
}
}
private static String identityToString(Object obj) {
return obj.toString() + "@" + System.identityHashCode(obj);
}
}
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