/***** BEGIN LICENSE BLOCK *****
* Version: CPL 1.0/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Common Public
* License Version 1.0 (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.eclipse.org/legal/cpl-v10.html
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
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* Copyright (C) 2002-2004 Anders Bengtsson <ndrsbngtssn@yahoo.se>
* Copyright (C) 2002-2004 Jan Arne Petersen <jpetersen@uni-bonn.de>
* Copyright (C) 2004 Stefan Matthias Aust <sma@3plus4.de>
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package org.jruby.test;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import junit.framework.TestCase;
import org.jruby.Ruby;
import org.jruby.RubyString;
import org.jruby.runtime.ObjectSpace;
import org.jruby.runtime.builtin.IRubyObject;
/**
* @author Anders
*/
public class TestObjectSpace extends TestCase {
private Ruby runtime;
private ObjectSpace target;
public TestObjectSpace(String name) {
super(name);
}
public void setUp() throws Exception {
super.setUp();
runtime = Ruby.newInstance();
target = new ObjectSpace();
}
public void testIdentities() {
RubyString o1 = runtime.newString("hey");
RubyString o2 = runtime.newString("ho");
long id1 = target.idOf(o1);
long id2 = target.idOf(o2);
assertEquals("id of normal objects must be even", 0, id1 % 2);
assertEquals("id of normal objects must be even", 0, id2 % 2);
assertTrue("normal ids must be bigger than reserved values", id1 > 4);
assertTrue("normal ids must be bigger than reserved values", id2 > 4);
assertSame(o1, target.id2ref(id1));
assertSame(o2, target.id2ref(id2));
assertNull(target.id2ref(4711));
}
public void testObjectSpace() {
IRubyObject o1 = runtime.newFixnum(10);
IRubyObject o2 = runtime.newFixnum(20);
IRubyObject o3 = runtime.newFixnum(30);
IRubyObject o4 = runtime.newString("hello");
target.add(o1);
target.add(o2);
target.add(o3);
target.add(o4);
List storedFixnums = new ArrayList(3);
storedFixnums.add(o1);
storedFixnums.add(o2);
storedFixnums.add(o3);
Iterator strings = target.iterator(runtime.getString());
assertSame(o4, strings.next());
assertNull(strings.next());
Iterator numerics = target.iterator(runtime.getNumeric());
for (int i = 0; i < 3; i++) {
Object item = numerics.next();
assertTrue(storedFixnums.contains(item));
}
assertNull(numerics.next());
}
}