// Tags: JDK1.1

// Copyright (C) 1999 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.util.zip.ZipInputStream;

import gnu.testlet.Testlet;
import gnu.testlet.TestHarness;
import java.util.zip.*;
import java.io.*;

public class basic implements Testlet
{
  private String readall (InputStream in)
  {
    StringBuffer sb = new StringBuffer ();
    byte[] buf = new byte[512];
    int n;
    try
      {
	while ((n = in.read(buf)) > 0)
	  sb.append(new String (buf, 0, n, "8859_1"));
      }
    catch (IOException _)
      {
      }
    return sb.toString ();
  }

  public String read_a_file (ZipInputStream zis)
  {
    try
      {
	ZipEntry ze = zis.getNextEntry();
	if (ze == null)
	  return "done";
	return readall (zis);
      }
    catch (IOException _)
      {
	return "";
      }
  }

  public void read_contents (TestHarness harness, ZipInputStream zis)
  {
    String s = read_a_file (zis);
    harness.check (s, "Contents of file 1\n");
    s = read_a_file (zis);
    harness.check (s, "Contents of file 2\n");
    s = read_a_file (zis);
    harness.check (s, "done");
  }

    public void read_from_end(TestHarness harness, ZipInputStream zis)
    {
	try {
	ZipEntry ze = zis.getNextEntry();
	ze = zis.getNextEntry();
	byte[] b = new byte["Contents of file 2\n".length()];
	int count = zis.read(b, 0, b.length);
	harness.check (new String(b), "Contents of file 2\n");
	harness.check(count, b.length);

	//read 0 bytes
	count = zis.read(b, 0, 0);
	harness.check(count, 0);

	//read 1 byte past the end
	count = zis.read(b,0,1);
	harness.check(count, -1);
	zis.close();
	} catch(IOException e)
	    {
		harness.check(false, "failed all read_from_end tests");
	    }
    }

  public void test (TestHarness harness)
  {
    harness.checkPoint ("reading zip file");
    try
      {
	read_contents (harness,
		       new ZipInputStream (harness.getResourceStream ("gnu#testlet#java#util#zip#ZipInputStream#reference.zip")));
      }
    catch (gnu.testlet.ResourceNotFoundException _)
      {
	  // FIXME: all tests should fail.
	  harness.check(false, "all basic tests failed");
      }

    harness.checkPoint ("checking 0 byte read");

    try
      {
	read_from_end (harness,
		       new ZipInputStream (harness.getResourceStream ("gnu#testlet#java#util#zip#ZipInputStream#reference.zip")));
      }
    catch (gnu.testlet.ResourceNotFoundException _)
      {
	  // FIXME: all tests should fail.
	  harness.check(false, "all read tests failed");
      }

    harness.checkPoint ("writing and re-reading");
    
  }
}