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// Tags: JDK1.1
// Copyright (C) 2005 Roman Kennke
// 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.util.Properties;
import gnu.testlet.Testlet;
import gnu.testlet.TestHarness;
import java.util.Properties;
/**
* Tests if getProperty(String) calls getProperty(String, String) or vice versa
* or if both call an internal method. This is important to avoid infinite
* recursion in derived classes that only implement one of these methods
*
* @author Roman Kennke
*/
public class getProperty implements Testlet
{
static class Properties1 extends Properties
{
boolean called = false;
public String getProperty(String key)
{
called = true;
return super.getProperty(key);
}
}
static class Properties2 extends Properties
{
boolean called = false;
public String getProperty(String key, String def)
{
called = true;
return super.getProperty(key, def);
}
}
/**
* This should not lead to infinite recursion.
*/
static class Properties3 extends Properties
{
public String getProperty(String key, String def)
{
return getProperty(key + "." + def);
}
}
public void test (TestHarness harness)
{
// First we override getProperty(String) and test if
// getProperty(String, String) calls this.
Properties1 p1 = new Properties1();
p1.setProperty("key", "value");
p1.called = false;
p1.getProperty("key", "default");
harness.check(p1.called, true,
"getProperty(String, String) calls getProperty(String)");
// Now we override getProperty(String, String) and test if
// getProperty(String) calls this.
Properties2 p2 = new Properties2();
p2.setProperty("key", "value");
p2.called = false;
p2.getProperty("key");
harness.check(p2.called, false,
"getProperty(String) does not call getProperty(String, String)");
// Now we override getProperty(String, String) so that it calls
// getProperty(String) and test if
// getProperty(String, String) leads to infinite recursion.
Properties3 p3 = new Properties3();
p3.setProperty("key", "value");
try
{
p3.getProperty("key", "def");
harness.check(true, "overriding getProperty(String, String) must not "
+ " lead to inifinite recursion.");
}
catch (Throwable ex)
{
harness.fail("overriding getProperty(String, String) must not "
+ " lead to inifinite recursion.");
}
}
}
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