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// Tags: JDK1.1
// Copyright (C) 2000, 2001 Cygnus Solutions
// This file is part of Mauve.
// Mauve is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
// Mauve 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 for more details.
// You should have received a copy of the GNU General Public License
// along with Mauve; see the file COPYING. If not, write to
// the Free Software Foundation, 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA. */
package gnu.testlet.java.lang.reflect.Constructor;
import gnu.testlet.Testlet;
import gnu.testlet.TestHarness;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
public class newInstance implements Testlet
{
public int dot;
private newInstance (int z)
{
dot = z;
}
private newInstance (char z)
{
dot = (int) z;
}
public newInstance (String q, String z)
{
throw new NullPointerException ();
}
public newInstance ()
{
dot = 7;
}
public Class getClass (String name)
{
Class k = null;
try
{
k = Class.forName (name);
}
catch (Throwable _)
{
// Nothing.
}
return k;
}
public Constructor getCons (Class k, Class[] ptypes)
{
Constructor c = null;
try
{
c = k.getDeclaredConstructor(ptypes);
}
catch (Throwable _)
{
// Nothing.
}
return c;
}
public Object callNew (Constructor cons, Object[] args)
{
try
{
return cons.newInstance(args);
}
catch (Throwable _)
{
return _;
}
}
public void test (TestHarness harness)
{
Class ni_class = getClass ("gnu.testlet.java.lang.reflect.Constructor.newInstance");
Class S_class = getClass ("java.lang.String");
Class i_class = Integer.TYPE;
Class[] args0 = new Class[0];
Class[] args1 = new Class[1];
args1[0] = i_class;
Class[] args2 = new Class[2];
args2[0] = args2[1] = S_class;
Class[] argsc = new Class[1];
argsc[0] = Character.TYPE;
harness.checkPoint ("no args");
Constructor c0 = getCons (ni_class, args0);
Object r = callNew (c0, new Object[0]);
harness.check(r instanceof newInstance);
harness.check(((newInstance) r).dot == 7);
// null argument list is ok because constructor has no arguments.
r = callNew (c0, null);
harness.check(r instanceof newInstance);
harness.check(((newInstance) r).dot == 7);
harness.checkPoint ("int arg");
Constructor c1 = getCons (ni_class, args1);
Object[] a1 = new Object[1];
a1[0] = new Integer (23);
r = callNew (c1, a1);
harness.check(r instanceof newInstance);
harness.check(((newInstance) r).dot == 23);
// Check that promotion works.
a1[0] = new Short ((short) 24);
r = callNew (c1, a1);
harness.check(r instanceof newInstance);
harness.check(((newInstance) r).dot == 24);
// Check that demotion doesn't work.
a1[0] = new Long (25);
r = callNew (c1, a1);
harness.check(r instanceof IllegalArgumentException);
harness.checkPoint ("character arg");
Constructor c2 = getCons (ni_class, argsc);
a1[0] = new Character ('j');
r = callNew (c2, a1);
harness.check(r instanceof newInstance);
harness.check(((newInstance) r).dot == (int) 'j');
// Byte does not widen to Character.
a1[0] = new Byte ((byte) 93);
r = callNew (c2, a1);
harness.check(r instanceof IllegalArgumentException);
harness.checkPoint ("String args");
Constructor c3 = getCons (ni_class, args2);
Object[] a3 = new Object[2];
// Check that arg types must match.
a3[0] = new Integer (5);
a3[1] = "has spoken";
r = callNew (c3, a3);
harness.check(r instanceof IllegalArgumentException);
a3[0] = "zardoz";
r = callNew (c3, a3);
harness.check(r instanceof InvocationTargetException);
harness.debug(r + "");
harness.check(((InvocationTargetException) r).getTargetException()
instanceof NullPointerException);
}
}
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