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/* Copyright (C) 2001 Eric Blake
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.
*/
// Tags: JDK1.0
package gnu.testlet.java.lang.Object;
import gnu.testlet.Testlet;
import gnu.testlet.TestHarness;
/**
* This class tests that the default Object.clone does not invoke a
* constructor, and that it creates a new object of the same class.
* Classes that override clone(), however, are permitted to change this
* behavior.
*
* This class also tests that array.clone behaves correctly.
*/
public final class clone implements Testlet, Cloneable
{
private static int count = 0;
private int prim = 42;
private Object obj = this;
private Testlet test = this;
private float[] array = {};
public clone()
{
count++;
}
public void test (TestHarness harness)
{
int my_count = count;
clone copy = null;
try
{
copy = (clone) clone();
}
catch (CloneNotSupportedException cnse)
{
harness.fail("clone should pass on Cloneable object");
}
harness.check(copy != this, "clone built distinct object");
harness.check(copy instanceof clone, "clone built same class - 1");
harness.check(copy.getClass() == clone.class, "clone built same class - 2");
harness.check(count == my_count, "clone called no constructor");
harness.check(copy.prim == 42, "primitive field cloned correctly");
harness.check(copy.obj == this, "object field cloned correctly");
harness.check(copy.test == this, "interface field cloned correctly");
harness.check(copy.array == array, "array field cloned correctly");
int[] iarray = { 1, 2 };
int[] icopy = (int[]) iarray.clone();
Object[] oarray = { new Object() };
Object[] ocopy = (Object[]) oarray.clone();
harness.check(iarray != icopy, "cloned arrays are distinct - 1");
harness.check(oarray != ocopy, "cloned arrays are distinct - 2");
harness.check(iarray.length == icopy.length, "cloned arrays have same length - 1");
harness.check(oarray.length == ocopy.length, "cloned arrays have same length - 2");
harness.check(iarray.getClass() == icopy.getClass(), "cloned arrays have same type - 1");
harness.check(oarray.getClass() == ocopy.getClass(), "cloned arrays have same type - 2");
harness.check(iarray.getClass().getComponentType() == icopy.getClass().getComponentType(), "cloned arrays have same component type - 1");
harness.check(oarray.getClass().getComponentType() == ocopy.getClass().getComponentType(), "cloned arrays have same component type - 2");
harness.check(iarray[0] == icopy[0], "cloned contents are same - 1");
harness.check(iarray[1] == icopy[1], "cloned contents are same - 2");
harness.check(oarray[0] == ocopy[0], "cloned contents are same - 3");
}
}
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