substring.java example

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open-mika-master
// Tags: JDK1.0

// Copyright (C) 1998 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.wonka.lang.String;
import gnu.testlet.Testlet;
import gnu.testlet.TestHarness;

public class substring implements Testlet
{
  public void test (TestHarness harness)
    {
      String b = new String(" abc\tABC 123\t");

      harness.check (b.substring(4), "	ABC 123	");
      harness.check (b.substring(4, b.length() - 5), "	ABC");

      boolean ok;

      ok = false;
      try
	{
	  b.substring(-1);
	}
      catch (StringIndexOutOfBoundsException ex)
	{
	  ok = true;
	}
      harness.check (ok);

      ok = true;
      try
	{
	  b.substring(b.length());
	}
      catch (StringIndexOutOfBoundsException ex)
	{
	  ok = false;
	}
      harness.check (ok);

      ok = false;
      try
	{
	  b.substring(4, -1);
	}
      catch (StringIndexOutOfBoundsException ex)
	{
	  ok = true;
	}
      harness.check (ok);

      ok = false;
      try
	{
	  b.substring(4, b.length() + 1);
	}
      catch (StringIndexOutOfBoundsException ex)
	{
	  ok = true;
	}
      harness.check (ok);
    }
}