//Tags: JDK1.4

//Copyright (c) 1999  Cygnus Solutions
//Written by Tom Tromey <tromey@cygnus.com>
//Copyright (C) 2005 David Gilbert <david.gilbert@object-refinery.com>

//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.text.DecimalFormat;

import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;

import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.util.Locale;

/**
 * Some checks for the toPattern() method in the {@link DecimalFormat} class.
 */
public class toPattern14
    implements Testlet
{

  /**
   * Runs the test using the specified harness.
   * 
   * @param harness  the test harness (<code>null</code> not permitted).
   */
  public void test(TestHarness harness)
  {
    test1(harness);
    test2(harness);
    test3(harness);
  }

  /**
   * This test was formerly in the file topattern.java.
   * 
   * @param harness  the test harness.
   */
  public void test1(TestHarness harness)
  {
    // Just to be explicit: we're only testing the US locale here.
    Locale loc = Locale.US;
    Locale.setDefault(loc);

    // There aren't really many tests we can do, since it doesn't
    // seem like any canonical output format is documented.

    DecimalFormat df = new DecimalFormat("0.##");
    harness.check(df.toPattern(), "#0.##");
    harness.check(df.toLocalizedPattern(), "#0.##");

    DecimalFormatSymbols dfs = df.getDecimalFormatSymbols();
    dfs.setDecimalSeparator(',');
    dfs.setZeroDigit('1');
    dfs.setDigit('X');
    dfs.setGroupingSeparator('!');
    df.setDecimalFormatSymbols(dfs);
    
    // dfs is only a copy of the internal
    // symbols so pass symbols back to df
    harness.check(df.toLocalizedPattern(), "X1,XX");

    df.applyPattern("Fr #,##0.##");
    
    String x1 = df.toPattern();
    String x2 = df.toLocalizedPattern();
    harness.check(x1.length(), x2.length());
    
    boolean ok = x1.length() == x2.length();
    for (int i = 0; i < x1.length(); ++i)
      {
        char c = x1.charAt(i);
        if (c == '0')
          c = '1';
        else if (c == '#')
          c = 'X';
        else if (c == '.')
          c = ',';
        else if (c == ',')
          c = '!';
        
        if (c != x2.charAt(i))
          {
            ok = false;
            harness.debug("failure at char " + i);
            harness.debug("x1 = " + x1 + "\nx2 = " + x2);
            break;
          }
      }
    harness.check(ok);
  }

  public void test2(TestHarness harness)
  {
    DecimalFormat f1 = new DecimalFormat("#0.00;(#0.00)");
    harness.check(f1.toPattern(), "#0.00;(#0.00)");

    DecimalFormat f2 =
      new DecimalFormat("'#'1'.' ''nessuno ci capisce niente qui #0.00;(#0.00)");
    harness.check(f2.toPattern(),
                  "'#1. '''nessuno ci capisce niente qui #0.00;(#0.00)");
  }
  
  public void test3(TestHarness harness)
  {
    DecimalFormat f1 = new DecimalFormat("0.00");
    harness.check(f1.toPattern(), "#0.00");
    
    f1.setMinimumIntegerDigits(0);
    harness.check(f1.toPattern(), "#.00");
    
    f1.setMaximumIntegerDigits(0);
    harness.check(f1.toPattern(), "#.00");
    
    DecimalFormat f2 = new DecimalFormat("#0.#E0");
    harness.check(f2.toPattern(), "#0.#E0");
    
    DecimalFormat f3 = new DecimalFormat("0.#E0");
    harness.check(f3.toPattern(), "0.#E0");
  }
}