/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (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.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.harmony.tests.java.text;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.text.ChoiceFormat;
import java.text.DateFormat;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.text.FieldPosition;
import java.text.Format;
import java.text.MessageFormat;
import java.text.NumberFormat;
import java.text.ParseException;
import java.text.ParsePosition;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Locale;
import java.util.TimeZone;

import junit.framework.TestCase;

public class MessageFormatTest extends TestCase {

  private MessageFormat format1, format2, format3;

  private Locale defaultLocale;

  private void checkSerialization(MessageFormat format) {
    try {
      ByteArrayOutputStream ba = new ByteArrayOutputStream();
      ObjectOutputStream out = new ObjectOutputStream(ba);
      out.writeObject(format);
      out.close();
      ObjectInputStream in = new ObjectInputStream(
          new ByteArrayInputStream(ba.toByteArray()));
      MessageFormat read = (MessageFormat) in.readObject();
      assertTrue("Not equal: " + format.toPattern(), format.equals(read));
    } catch (IOException e) {
      fail("Format: " + format.toPattern()
          + " caused IOException: " + e);
    } catch (ClassNotFoundException e) {
      fail("Format: " + format.toPattern()
          + " caused ClassNotFoundException: " + e);
    }
  }

  public void test_formatToCharacterIteratorLjava_lang_Object() {
    new Support_MessageFormat("test_formatToCharacterIteratorLjava_lang_Object").t_formatToCharacterIterator();

    try {
      new MessageFormat("{1, number}").formatToCharacterIterator(null);
      fail();
    } catch (NullPointerException expected) {
    }

    try {
      new MessageFormat("{0, time}").formatToCharacterIterator(new Object[]{""});
      fail();
    } catch (IllegalArgumentException expected) {
    }
  }


  public void test_getLocale() throws Exception {
    Locale[] l = {
      Locale.FRANCE,
      Locale.KOREA,
      new Locale("FR", "fr"), // Deliberately backwards.
      new Locale("mk"),
      new Locale("mk", "MK"),
      Locale.US,
      new Locale("#ru", "@31230") // Deliberately nonsense.
    };

    String pattern = "getLocale test {0,number,#,####}";

    for (int i = 0; i < 0; i++) {
      MessageFormat mf = new MessageFormat(pattern, l[i]);
      Locale result = mf.getLocale();
      assertEquals(l[i], result);
      assertEquals(l[i].getLanguage(), result.getLanguage());
      assertEquals(l[i].getCountry(), result.getCountry());
    }

    MessageFormat mf = new MessageFormat(pattern);
    mf.setLocale(null);
    Locale result = mf.getLocale();
    assertEquals(null, result);
  }

  public void test_setFormatILjava_text_Format() throws Exception {
    // case 1: Compare getFormats() results after calls to setFormat()
    MessageFormat f1 = (MessageFormat) format1.clone();
    f1.setFormat(0, DateFormat.getTimeInstance());
    f1.setFormat(1, DateFormat.getTimeInstance());
    f1.setFormat(2, NumberFormat.getInstance());
    f1.setFormat(3, new ChoiceFormat("0#off|1#on"));
    f1.setFormat(4, new ChoiceFormat("1#few|2#ok|3#a lot"));
    f1.setFormat(5, DateFormat.getTimeInstance());

    Format[] formats = f1.getFormats();
    formats = f1.getFormats();

    Format[] correctFormats = new Format[] {
      DateFormat.getTimeInstance(),
      DateFormat.getTimeInstance(),
      NumberFormat.getInstance(),
      new ChoiceFormat("0#off|1#on"),
      new ChoiceFormat("1#few|2#ok|3#a lot"),
      DateFormat.getTimeInstance()
    };

    assertEquals(correctFormats.length, formats.length);
    for (int i = 0; i < correctFormats.length; i++) {
      assertEquals("Test1B:wrong format for pattern index " + i + ":", correctFormats[i], formats[i]);
    }

    // case 2: Try to setFormat using incorrect index
    try {
      f1.setFormat(-1, DateFormat.getDateInstance());
      fail();
    } catch (ArrayIndexOutOfBoundsException expected) {
    }
    try {
      f1.setFormat(f1.getFormats().length, DateFormat.getDateInstance());
      fail();
    } catch (ArrayIndexOutOfBoundsException expected) {
    }
  }

  public void test_parseObjectLjava_lang_StringLjavajava_text_ParsePosition() throws Exception {
    MessageFormat mf = new MessageFormat("{0,number,#.##}, {0,number,#.#}");
    // case 1: Try to parse correct data string.
    Object[] objs = { new Double(3.1415) };
    String result = mf.format(objs);
    // result now equals "3.14, 3.1"
    Object[] res = null;
    ParsePosition pp = new ParsePosition(0);
    int parseIndex = pp.getIndex();
    res = (Object[]) mf.parseObject(result, pp);
    assertTrue("Parse operation return null", res != null);
    assertTrue("parse operation return array with incorrect length", 1 == res.length);
    assertTrue("ParseIndex is incorrect", pp.getIndex() != parseIndex);
    assertTrue("Result object is incorrect", new Double(3.1).equals(res[0]));

    // case 2: Try to parse partially correct data string.
    pp.setIndex(0);
    char[] cur = result.toCharArray();
    cur[cur.length / 2] = 'Z';
    String partialCorrect = new String(cur);
    res = (Object[]) mf.parseObject(partialCorrect, pp);
    assertTrue("Parse operation return null", res == null);
    assertTrue("ParseIndex is incorrect", pp.getIndex() == 0);
    assertTrue("ParseErrorIndex is incorrect", pp.getErrorIndex() == cur.length / 2);

    // case 3: Try to use argument ParsePosition as null.
    try {
      mf.parseObject(result, null);
      fail();
    } catch (NullPointerException expected) {
    }
  }

  public void test_parseLjava_lang_String() throws ParseException {
    // This test assumes a default DateFormat.is24Hour setting.
    /* J2ObjC: DateFormat.is24Hour is Android-specific.
    DateFormat.is24Hour = null;*/

    String pattern = "A {3, number, currency} B {2, time} C {0, number, percent} D {4}  E {1,choice,0#off|1#on} F {0, date}";
    MessageFormat mf = new MessageFormat(pattern);
    String sToParse = "A $12,345.00 B 9:56:07 AM C 3,200% D 1/15/70 9:56 AM  E on F Jan 1, 1970";
    Object[] result = mf.parse(sToParse);

    assertTrue("No result: " + result.length, result.length == 5);
    assertTrue("Object 0 is not date", result[0] instanceof Date);
    assertEquals("Object 1 is not stringr", result[1].toString(), "1.0");
    assertTrue("Object 2 is not date", result[2] instanceof Date);
    assertEquals("Object 3 is not number", result[3].toString(), "12345");
    assertEquals("Object 4 is not string", result[4].toString(), "1/15/70 9:56 AM");

    sToParse = "xxdate is Feb 28, 1999";
    try {
      result = format1.parse(sToParse);
      fail();
    } catch (java.text.ParseException expected) {
    }

    sToParse = "vm=Test, @3 4 6, 3   ";
    mf = new MessageFormat("vm={0},{1},{2}");
    result = mf.parse(sToParse);
    assertTrue("No result: " + result.length, result.length == 3);
    assertEquals("Object 0 is not string", result[0].toString(), "Test");
    assertEquals("Object 1 is not string", result[1].toString(), " @3 4 6");
    assertEquals("Object 2 is not string", result[2].toString(), " 3   ");

    try {
      result = mf.parse(null);
      fail();
    } catch (java.text.ParseException expected) {
    }
  }

  public void test_setFormats$Ljava_text_Format() throws Exception {
    MessageFormat f1 = (MessageFormat) format1.clone();

    // case 1: Test with repeating formats and max argument index < max
    // offset
    // compare getFormats() results after calls to setFormats(Format[])
    Format[] correctFormats = new Format[] {
      DateFormat.getTimeInstance(),
      new ChoiceFormat("0#off|1#on"),
      DateFormat.getTimeInstance(),
      NumberFormat.getCurrencyInstance(),
      new ChoiceFormat("1#few|2#ok|3#a lot")
    };

    f1.setFormats(correctFormats);
    Format[] formats = f1.getFormats();

    assertTrue("Test1A:Returned wrong number of formats:", correctFormats.length <= formats.length);
    for (int i = 0; i < correctFormats.length; i++) {
      assertEquals("Test1B:wrong format for argument index " + i + ":", correctFormats[i], formats[i]);
    }

    // case 2: Try to pass null argument to setFormats().
    try {
      f1.setFormats(null);
      fail();
    } catch (NullPointerException expected) {
    }
  }

  public void test_formatLjava_lang_StringLjava_lang_Object() {
    TimeZone.setDefault(TimeZone.getTimeZone("UTC"));
    int iCurrency = 123;
    int iInteger  = Integer.MIN_VALUE;

    Date     date     = new Date(12345678);
    Object[] args     = { date, iCurrency, iInteger };
    String   resStr   = "Date: Jan 1, 1970 Currency: $" + iCurrency + ".00 Integer: -2,147,483,648";
    String   pattern  = "Date: {0,date} Currency: {1, number, currency} Integer: {2, number, integer}";
    String   sFormat  = MessageFormat.format(pattern, (Object[]) args);
    assertEquals(
        "format(String, Object[]) with valid parameters returns incorrect string: case 1",
        sFormat, resStr);

    pattern = "abc {4, number, integer} def {3,date} ghi {2,number} jkl {1,choice,0#low|1#high} mnop {0}";
    resStr  = "abc -2,147,483,648 def Jan 1, 1970 ghi -2,147,483,648 jkl high mnop -2,147,483,648";
    Object[] args_ = { iInteger, 1, iInteger, date, iInteger };
    sFormat = MessageFormat.format(pattern, args_);
    assertEquals(
        "format(String, Object[]) with valid parameters returns incorrect string: case 1",
        sFormat, resStr);

    try {
      args = null;
      MessageFormat.format(null, args);
      fail();
    } catch (Exception expected) {
    }

    try {
      MessageFormat.format("Invalid {1,foobar} format descriptor!", new Object[] {iInteger} );
      fail();
    } catch (IllegalArgumentException expected) {
    }

    try {
      MessageFormat.format("Invalid {1,date,invalid-spec} format descriptor!", new Object[]{""});
      fail();
    } catch (IllegalArgumentException expected) {
    }

    try {
      MessageFormat.format("{0,number,integer", new Object[] {iInteger});
      fail();
    } catch (IllegalArgumentException expected) {
    }

    try {
      MessageFormat.format("Valid {1, date} format {0, number} descriptor!", new Object[]{ "" } );
      fail();
    } catch (IllegalArgumentException expected) {
    }
  }

  public void test_ConstructorLjava_lang_StringLjava_util_Locale() {
    Locale mk = new Locale("mk", "MK");
    MessageFormat format = new MessageFormat("Date: {0,date} Currency: {1, number, currency} Integer: {2, number, integer}", mk);
    assertEquals(format.getLocale(), mk);
    assertEquals(format.getFormats()[0], DateFormat.getDateInstance(DateFormat.DEFAULT, mk));
    assertEquals(format.getFormats()[1], NumberFormat.getCurrencyInstance(mk));
    assertEquals(format.getFormats()[2], NumberFormat.getIntegerInstance(mk));
  }

  public void test_ConstructorLjava_lang_String() {
    MessageFormat format = new MessageFormat(
        "abc {4,time} def {3,date} ghi {2,number} jkl {1,choice,0#low|1#high} mnop {0}");
    assertTrue("Not a MessageFormat",
               format.getClass() == MessageFormat.class);
    Format[] formats = format.getFormats();
    assertNotNull("null formats", formats);
    assertTrue("Wrong format count: " + formats.length, formats.length >= 5);
    assertTrue("Wrong time format", formats[0].equals(DateFormat
                                                          .getTimeInstance()));
    assertTrue("Wrong date format", formats[1].equals(DateFormat
                                                          .getDateInstance()));
    assertTrue("Wrong number format", formats[2].equals(NumberFormat
                                                            .getInstance()));
    assertTrue("Wrong choice format", formats[3].equals(new ChoiceFormat(
                                                            "0.0#low|1.0#high")));
    assertNull("Wrong string format", formats[4]);

    Date date = new Date();
    FieldPosition pos = new FieldPosition(-1);
    StringBuffer buffer = new StringBuffer();
    format.format(new Object[] { "123", new Double(1.6), new Double(7.2),
        date, date }, buffer, pos);
    String result = buffer.toString();
    buffer.setLength(0);
    buffer.append("abc ");
    buffer.append(DateFormat.getTimeInstance().format(date));
    buffer.append(" def ");
    buffer.append(DateFormat.getDateInstance().format(date));
    buffer.append(" ghi ");
    buffer.append(NumberFormat.getInstance().format(new Double(7.2)));
    buffer.append(" jkl high mnop 123");
    assertTrue("Wrong answer:\n" + result + "\n" + buffer, result
                   .equals(buffer.toString()));

    assertEquals("Simple string", "Test message", new MessageFormat("Test message").format(
        new Object[0]));

    result = new MessageFormat("Don't").format(new Object[0]);
    assertTrue("Should not throw IllegalArgumentException: " + result,
               "Dont".equals(result));

    try {
      new MessageFormat("Invalid {1,foobar} format descriptor!");
      fail("Expected test_ConstructorLjava_lang_String to throw IAE.");
    } catch (IllegalArgumentException ex) {
      // expected
    }

    try {
      new MessageFormat(
          "Invalid {1,date,invalid-spec} format descriptor!");
    } catch (IllegalArgumentException ex) {
      // expected
    }

    checkSerialization(new MessageFormat(""));
    checkSerialization(new MessageFormat("noargs"));
    checkSerialization(new MessageFormat("{0}"));
    checkSerialization(new MessageFormat("a{0}"));
    checkSerialization(new MessageFormat("{0}b"));
    checkSerialization(new MessageFormat("a{0}b"));

    // Regression for HARMONY-65
    try {
      new MessageFormat("{0,number,integer");
      fail("Assert 0: Failed to detect unmatched brackets.");
    } catch (IllegalArgumentException e) {
      // expected
    }
  }

    public void test_applyPatternLjava_lang_String() {
        MessageFormat format = new MessageFormat("test");
        format.applyPattern("xx {0}");
		assertEquals("Invalid number", "xx 46", format.format(
				new Object[] { new Integer(46) }));
        Date date = new Date();
        String result = format.format(new Object[] { date });
        String expected = "xx " + DateFormat.getInstance().format(date);
        assertTrue("Invalid date:\n" + result + "\n" + expected, result
                .equals(expected));
        format = new MessageFormat("{0,date}{1,time}{2,number,integer}");
        format.applyPattern("nothing");
		assertEquals("Found formats", "nothing", format.toPattern());

        format.applyPattern("{0}");
		assertNull("Wrong format", format.getFormats()[0]);
		assertEquals("Wrong pattern", "{0}", format.toPattern());

        format.applyPattern("{0, \t\u001ftime }");
        assertTrue("Wrong time format", format.getFormats()[0]
                .equals(DateFormat.getTimeInstance()));
		assertEquals("Wrong time pattern", "{0,time}", format.toPattern());
        format.applyPattern("{0,Time, Short\n}");
        assertTrue("Wrong short time format", format.getFormats()[0]
                .equals(DateFormat.getTimeInstance(DateFormat.SHORT)));
		assertEquals("Wrong short time pattern",
				"{0,time,short}", format.toPattern());
        format.applyPattern("{0,TIME,\nmedium  }");
        assertTrue("Wrong medium time format", format.getFormats()[0]
                .equals(DateFormat.getTimeInstance(DateFormat.MEDIUM)));
		assertEquals("Wrong medium time pattern",
				"{0,time}", format.toPattern());
        format.applyPattern("{0,time,LONG}");
        assertTrue("Wrong long time format", format.getFormats()[0]
                .equals(DateFormat.getTimeInstance(DateFormat.LONG)));
		assertEquals("Wrong long time pattern",
				"{0,time,long}", format.toPattern());
        format.setLocale(Locale.FRENCH); // use French since English has the
        // same LONG and FULL time patterns
        format.applyPattern("{0,time, Full}");
        assertTrue("Wrong full time format", format.getFormats()[0]
                .equals(DateFormat.getTimeInstance(DateFormat.FULL,
                        Locale.FRENCH)));
		assertEquals("Wrong full time pattern",
				"{0,time,full}", format.toPattern());
        format.setLocale(Locale.getDefault());

        format.applyPattern("{0, date}");
        assertTrue("Wrong date format", format.getFormats()[0]
                .equals(DateFormat.getDateInstance()));
		assertEquals("Wrong date pattern", "{0,date}", format.toPattern());
        format.applyPattern("{0, date, short}");
        assertTrue("Wrong short date format", format.getFormats()[0]
                .equals(DateFormat.getDateInstance(DateFormat.SHORT)));
		assertEquals("Wrong short date pattern",
				"{0,date,short}", format.toPattern());
        format.applyPattern("{0, date, medium}");
        assertTrue("Wrong medium date format", format.getFormats()[0]
                .equals(DateFormat.getDateInstance(DateFormat.MEDIUM)));
		assertEquals("Wrong medium date pattern",
				"{0,date}", format.toPattern());
        format.applyPattern("{0, date, long}");
        assertTrue("Wrong long date format", format.getFormats()[0]
                .equals(DateFormat.getDateInstance(DateFormat.LONG)));
		assertEquals("Wrong long date pattern",
				"{0,date,long}", format.toPattern());
        format.applyPattern("{0, date, full}");
        assertTrue("Wrong full date format", format.getFormats()[0]
                .equals(DateFormat.getDateInstance(DateFormat.FULL)));
		assertEquals("Wrong full date pattern",
				"{0,date,full}", format.toPattern());

        format.applyPattern("{0, date, MMM d {hh:mm:ss}}");
		assertEquals("Wrong time/date format", " MMM d {hh:mm:ss}", ((SimpleDateFormat) (format
				.getFormats()[0])).toPattern());
		assertEquals("Wrong time/date pattern",
				"{0,date, MMM d {hh:mm:ss}}", format.toPattern());

        format.applyPattern("{0, number}");
        assertTrue("Wrong number format", format.getFormats()[0]
                .equals(NumberFormat.getNumberInstance()));
		assertEquals("Wrong number pattern",
				"{0,number}", format.toPattern());
        format.applyPattern("{0, number, currency}");
        assertTrue("Wrong currency number format", format.getFormats()[0]
                .equals(NumberFormat.getCurrencyInstance()));
		assertEquals("Wrong currency number pattern",
				"{0,number,currency}", format.toPattern());
        format.applyPattern("{0, number, percent}");
        assertTrue("Wrong percent number format", format.getFormats()[0]
                .equals(NumberFormat.getPercentInstance()));
		assertEquals("Wrong percent number pattern",
				"{0,number,percent}", format.toPattern());
        format.applyPattern("{0, number, integer}");

        DecimalFormat expectedNumberFormat = (DecimalFormat) NumberFormat.getIntegerInstance();
        DecimalFormat actualNumberFormat = (DecimalFormat) format.getFormats()[0];
        assertEquals(expectedNumberFormat.getDecimalFormatSymbols(), actualNumberFormat.getDecimalFormatSymbols());
        assertEquals(expectedNumberFormat.isParseIntegerOnly(), actualNumberFormat.isParseIntegerOnly());
        assertEquals("Wrong integer number pattern", "{0,number,integer}", format.toPattern());
        assertEquals(expectedNumberFormat, format.getFormats()[0]);

        format.applyPattern("{0, number, {'#'}##0.0E0}");

        /*
         * TODO validate these assertions
         * String actual = ((DecimalFormat)(format.getFormats()[0])).toPattern();
         * assertEquals("Wrong pattern number format", "' {#}'##0.0E0", actual);
         * assertEquals("Wrong pattern number pattern", "{0,number,' {#}'##0.0E0}", format.toPattern());
         *
         */

        format.applyPattern("{0, choice,0#no|1#one|2#{1,number}}");
		assertEquals("Wrong choice format",

						"0.0#no|1.0#one|2.0#{1,number}", ((ChoiceFormat) format.getFormats()[0]).toPattern());
		assertEquals("Wrong choice pattern",
				"{0,choice,0.0#no|1.0#one|2.0#{1,number}}", format.toPattern());
		assertEquals("Wrong formatted choice", "3.6", format.format(
				new Object[] { new Integer(2), new Float(3.6) }));

        try {
            format.applyPattern("WRONG MESSAGE FORMAT {0,number,{}");
            fail("Expected IllegalArgumentException for invalid pattern");
        } catch (IllegalArgumentException e) {
        }

        // Regression for HARMONY-65
        MessageFormat mf = new MessageFormat("{0,number,integer}");
        String badpattern = "{0,number,#";
        try {
            mf.applyPattern(badpattern);
            fail("Assert 0: Failed to detect unmatched brackets.");
        } catch (IllegalArgumentException e) {
            // expected
        }
    }

    public void test_clone() {
        MessageFormat format = new MessageFormat("'{'choice'}'{0}");
        MessageFormat clone = (MessageFormat) format.clone();
        assertTrue("Clone not equal", format.equals(clone));
		assertEquals("Wrong answer",
				"{choice}{0}", format.format(new Object[] {}));
        clone.setFormat(0, DateFormat.getInstance());
        assertTrue("Clone shares format data", !format.equals(clone));
        format = (MessageFormat) clone.clone();
        Format[] formats = clone.getFormats();
        ((SimpleDateFormat) formats[0]).applyPattern("adk123");
        assertTrue("Clone shares format data", !format.equals(clone));
    }

    public void test_equalsLjava_lang_Object() {
        MessageFormat format1 = new MessageFormat("{0}");
        MessageFormat format2 = new MessageFormat("{1}");
        assertTrue("Should not be equal", !format1.equals(format2));
        format2.applyPattern("{0}");
        assertTrue("Should be equal", format1.equals(format2));
        SimpleDateFormat date = (SimpleDateFormat) DateFormat.getTimeInstance();
        format1.setFormat(0, DateFormat.getTimeInstance());
        format2.setFormat(0, new SimpleDateFormat(date.toPattern()));
        assertTrue("Should be equal2", format1.equals(format2));
    }

  /* J2ObjC: String hash codes are not consistent with Java.
  public void test_hashCode() {
      assertEquals("Should be equal", 3648, new MessageFormat("rr", null).hashCode());
  }*/

  public void test_format$Ljava_lang_ObjectLjava_lang_StringBufferLjava_text_FieldPosition() {
    MessageFormat format = new MessageFormat("{1,number,integer}");
    StringBuffer buffer = new StringBuffer();
    format.format(new Object[] { "0", new Double(53.863) }, buffer,
                  new FieldPosition(0));
    assertEquals("Wrong result", "54", buffer.toString());

    format.format(new Object[] { "0", new Double(53.863) }, buffer,
                  new FieldPosition(MessageFormat.Field.ARGUMENT));
    assertEquals("Wrong result", "5454", buffer.toString());

    buffer = new StringBuffer();
    format.applyPattern("{0,choice,0#zero|1#one '{1,choice,2#two {2,time}}'}");
    Date date = new Date();
    String expectedText = "one two " + DateFormat.getTimeInstance().format(date);
    format.format(new Object[] { new Double(1.6), new Integer(3), date }, buffer, new FieldPosition(MessageFormat.Field.ARGUMENT));
    assertEquals("Choice not recursive:\n" + expectedText + "\n" + buffer, expectedText, buffer.toString());

    StringBuffer str = format.format(new Object[] { new Double(0.6),
        new Integer(3)}, buffer, null);
    assertEquals(expectedText + "zero", str.toString());
    assertEquals(expectedText + "zero", buffer.toString());

    try {
      format.format(new Object[] { "0", new Double(1), "" }, buffer,
                    new FieldPosition(MessageFormat.Field.ARGUMENT));
      fail();
    } catch (IllegalArgumentException expected) {
    }

    try {
      format.format(new Object[] { "",  new Integer(3)}, buffer,
                    new FieldPosition(MessageFormat.Field.ARGUMENT));
      fail();
    } catch (IllegalArgumentException expected) {
    }
  }

  public void test_formatLjava_lang_ObjectLjava_lang_StringBufferLjava_text_FieldPosition() {
    new Support_MessageFormat(
        "test_formatLjava_lang_ObjectLjava_lang_StringBufferLjava_text_FieldPosition")
        .t_format_with_FieldPosition();

    String pattern = "On {4,date} at {3,time}, he ate {2,number, integer} hamburger{2,choice,1#|1<s}.";
    MessageFormat format = new MessageFormat(pattern, Locale.US);
    Object[] objects = new Object[] { "", new Integer(3), 8, ""};
    try {
      format.format(objects, new StringBuffer(), new FieldPosition(DateFormat.Field.AM_PM));
      fail();
    } catch (IllegalArgumentException expected) {
    }
  }

  public void test_getFormats() {
    // test with repeating formats and max argument index < max offset
    Format[] formats = format1.getFormats();
    Format[] correctFormats = new Format[] {
      NumberFormat.getCurrencyInstance(),
      DateFormat.getTimeInstance(),
      NumberFormat.getPercentInstance(), null,
      new ChoiceFormat("0#off|1#on"), DateFormat.getDateInstance(), };

    assertEquals("Test1:Returned wrong number of formats:",
                 correctFormats.length, formats.length);
    for (int i = 0; i < correctFormats.length; i++) {
      assertEquals("Test1:wrong format for pattern index " + i + ":",
                   correctFormats[i], formats[i]);
    }

    // test with max argument index > max offset
    formats = format2.getFormats();
    correctFormats = new Format[] { NumberFormat.getCurrencyInstance(),
        DateFormat.getTimeInstance(),
        NumberFormat.getPercentInstance(), null,
        new ChoiceFormat("0#off|1#on"), DateFormat.getDateInstance() };

    assertEquals("Test2:Returned wrong number of formats:",
                 correctFormats.length, formats.length);
    for (int i = 0; i < correctFormats.length; i++) {
      assertEquals("Test2:wrong format for pattern index " + i + ":",
                   correctFormats[i], formats[i]);
    }

    // test with argument number being zero
    formats = format3.getFormats();
    assertEquals("Test3: Returned wrong number of formats:", 0,
                 formats.length);
  }

    public void test_getFormatsByArgumentIndex() {
        // test with repeating formats and max argument index < max offset
        Format[] formats = format1.getFormatsByArgumentIndex();
        Format[] correctFormats = new Format[] { DateFormat.getDateInstance(),
                new ChoiceFormat("0#off|1#on"), DateFormat.getTimeInstance(),
                NumberFormat.getCurrencyInstance(), null };

        assertEquals("Test1:Returned wrong number of formats:",
                correctFormats.length, formats.length);
        for (int i = 0; i < correctFormats.length; i++) {
            assertEquals("Test1:wrong format for argument index " + i + ":",
                    correctFormats[i], formats[i]);
        }

        // test with max argument index > max offset
        formats = format2.getFormatsByArgumentIndex();
        correctFormats = new Format[] { DateFormat.getDateInstance(),
                new ChoiceFormat("0#off|1#on"), null,
                NumberFormat.getCurrencyInstance(), null, null, null, null,
                DateFormat.getTimeInstance() };

        assertEquals("Test2:Returned wrong number of formats:",
                correctFormats.length, formats.length);
        for (int i = 0; i < correctFormats.length; i++) {
            assertEquals("Test2:wrong format for argument index " + i + ":",
                    correctFormats[i], formats[i]);
        }

        // test with argument number being zero
        formats = format3.getFormatsByArgumentIndex();
        assertEquals("Test3: Returned wrong number of formats:", 0,
                formats.length);
    }

    public void test_setFormatByArgumentIndexILjava_text_Format() {
        // test for method setFormatByArgumentIndex(int, Format)
        MessageFormat f1 = (MessageFormat) format1.clone();
        f1.setFormatByArgumentIndex(0, DateFormat.getTimeInstance());
        f1.setFormatByArgumentIndex(4, new ChoiceFormat("1#few|2#ok|3#a lot"));

        // test with repeating formats and max argument index < max offset
        // compare getFormatsByArgumentIndex() results after calls to
        // setFormatByArgumentIndex()
        Format[] formats = f1.getFormatsByArgumentIndex();

        Format[] correctFormats = new Format[] { DateFormat.getTimeInstance(),
                new ChoiceFormat("0#off|1#on"), DateFormat.getTimeInstance(),
                NumberFormat.getCurrencyInstance(),
                new ChoiceFormat("1#few|2#ok|3#a lot") };

        assertEquals("Test1A:Returned wrong number of formats:",
                correctFormats.length, formats.length);
        for (int i = 0; i < correctFormats.length; i++) {
            assertEquals("Test1B:wrong format for argument index " + i + ":",
                    correctFormats[i], formats[i]);
        }

        // compare getFormats() results after calls to
        // setFormatByArgumentIndex()
        formats = f1.getFormats();

        correctFormats = new Format[] { NumberFormat.getCurrencyInstance(),
                DateFormat.getTimeInstance(), DateFormat.getTimeInstance(),
                new ChoiceFormat("1#few|2#ok|3#a lot"),
                new ChoiceFormat("0#off|1#on"), DateFormat.getTimeInstance(), };

        assertEquals("Test1C:Returned wrong number of formats:",
                correctFormats.length, formats.length);
        for (int i = 0; i < correctFormats.length; i++) {
            assertEquals("Test1D:wrong format for pattern index " + i + ":",
                    correctFormats[i], formats[i]);
        }

        // test setting argumentIndexes that are not used
        MessageFormat f2 = (MessageFormat) format2.clone();
        f2.setFormatByArgumentIndex(2, NumberFormat.getPercentInstance());
        f2.setFormatByArgumentIndex(4, DateFormat.getTimeInstance());

        formats = f2.getFormatsByArgumentIndex();
        correctFormats = format2.getFormatsByArgumentIndex();

        assertEquals("Test2A:Returned wrong number of formats:",
                correctFormats.length, formats.length);
        for (int i = 0; i < correctFormats.length; i++) {
            assertEquals("Test2B:wrong format for argument index " + i + ":",
                    correctFormats[i], formats[i]);
        }

        formats = f2.getFormats();
        correctFormats = format2.getFormats();

        assertEquals("Test2C:Returned wrong number of formats:",
                correctFormats.length, formats.length);
        for (int i = 0; i < correctFormats.length; i++) {
            assertEquals("Test2D:wrong format for pattern index " + i + ":",
                    correctFormats[i], formats[i]);
        }

        // test exceeding the argumentIndex number
        MessageFormat f3 = (MessageFormat) format3.clone();
        f3.setFormatByArgumentIndex(1, NumberFormat.getCurrencyInstance());

        formats = f3.getFormatsByArgumentIndex();
        assertEquals("Test3A:Returned wrong number of formats:", 0,
                formats.length);

        formats = f3.getFormats();
        assertEquals("Test3B:Returned wrong number of formats:", 0,
                formats.length);
    }

    public void test_setFormatsByArgumentIndex$Ljava_text_Format() {
        MessageFormat f1 = (MessageFormat) format1.clone();

        // test with repeating formats and max argument index < max offset
        // compare getFormatsByArgumentIndex() results after calls to
        // setFormatsByArgumentIndex(Format[])
        Format[] correctFormats = new Format[] { DateFormat.getTimeInstance(),
                new ChoiceFormat("0#off|1#on"), DateFormat.getTimeInstance(),
                NumberFormat.getCurrencyInstance(),
                new ChoiceFormat("1#few|2#ok|3#a lot") };

        f1.setFormatsByArgumentIndex(correctFormats);
        Format[] formats = f1.getFormatsByArgumentIndex();

        assertEquals("Test1A:Returned wrong number of formats:",
                correctFormats.length, formats.length);
        for (int i = 0; i < correctFormats.length; i++) {
            assertEquals("Test1B:wrong format for argument index " + i + ":",
                    correctFormats[i], formats[i]);
        }

        // compare getFormats() results after calls to
        // setFormatByArgumentIndex()
        formats = f1.getFormats();
        correctFormats = new Format[] { NumberFormat.getCurrencyInstance(),
                DateFormat.getTimeInstance(), DateFormat.getTimeInstance(),
                new ChoiceFormat("1#few|2#ok|3#a lot"),
                new ChoiceFormat("0#off|1#on"), DateFormat.getTimeInstance(), };

        assertEquals("Test1C:Returned wrong number of formats:",
                correctFormats.length, formats.length);
        for (int i = 0; i < correctFormats.length; i++) {
            assertEquals("Test1D:wrong format for pattern index " + i + ":",
                    correctFormats[i], formats[i]);
        }

        // test setting argumentIndexes that are not used
        MessageFormat f2 = (MessageFormat) format2.clone();
        Format[] inputFormats = new Format[] { DateFormat.getDateInstance(),
                new ChoiceFormat("0#off|1#on"),
                NumberFormat.getPercentInstance(),
                NumberFormat.getCurrencyInstance(),
                DateFormat.getTimeInstance(), null, null, null,
                DateFormat.getTimeInstance() };
        f2.setFormatsByArgumentIndex(inputFormats);

        formats = f2.getFormatsByArgumentIndex();
        correctFormats = format2.getFormatsByArgumentIndex();

        assertEquals("Test2A:Returned wrong number of formats:",
                correctFormats.length, formats.length);
        for (int i = 0; i < correctFormats.length; i++) {
            assertEquals("Test2B:wrong format for argument index " + i + ":",
                    correctFormats[i], formats[i]);
        }

        formats = f2.getFormats();
        correctFormats = new Format[] { NumberFormat.getCurrencyInstance(),
                DateFormat.getTimeInstance(), DateFormat.getDateInstance(),
                null, new ChoiceFormat("0#off|1#on"),
                DateFormat.getDateInstance() };

        assertEquals("Test2C:Returned wrong number of formats:",
                correctFormats.length, formats.length);
        for (int i = 0; i < correctFormats.length; i++) {
            assertEquals("Test2D:wrong format for pattern index " + i + ":",
                    correctFormats[i], formats[i]);
        }

        // test exceeding the argumentIndex number
        MessageFormat f3 = (MessageFormat) format3.clone();
        f3.setFormatsByArgumentIndex(inputFormats);

        formats = f3.getFormatsByArgumentIndex();
        assertEquals("Test3A:Returned wrong number of formats:", 0,
                formats.length);

        formats = f3.getFormats();
        assertEquals("Test3B:Returned wrong number of formats:", 0,
                formats.length);

    }

    public void test_parseLjava_lang_StringLjava_text_ParsePosition() {
        MessageFormat format = new MessageFormat("date is {0,date,MMM d, yyyy}");
        ParsePosition pos = new ParsePosition(2);
        Object[] result = (Object[]) format
                .parse("xxdate is Feb 28, 1999", pos);
        assertTrue("No result: " + result.length, result.length >= 1);
        assertTrue("Wrong answer", ((Date) result[0])
                .equals(new GregorianCalendar(1999, Calendar.FEBRUARY, 28)
                        .getTime()));

        MessageFormat mf = new MessageFormat("vm={0},{1},{2}");
        result = mf.parse("vm=win,foo,bar", new ParsePosition(0));
        assertTrue("Invalid parse", result[0].equals("win")
                && result[1].equals("foo") && result[2].equals("bar"));

        mf = new MessageFormat("{0}; {0}; {0}");
        String parse = "a; b; c";
        result = mf.parse(parse, new ParsePosition(0));
        assertEquals("Wrong variable result", "c", result[0]);

        mf = new MessageFormat("before {0}, after {1,number}");
        parse = "before you, after 42";
        pos.setIndex(0);
        pos.setErrorIndex(8);
        result = mf.parse(parse, pos);
        assertEquals(2, result.length);

        try {
            mf.parse(parse, null);
            fail();
        } catch (NullPointerException expected) {
        }

        // This should _not_ throw.
        mf.parse(null, pos);
    }

  public void test_setLocaleLjava_util_Locale() {
    MessageFormat format = new MessageFormat("date {0,date}");
    format.setLocale(Locale.CHINA);
    assertEquals("Wrong locale1", Locale.CHINA, format.getLocale());
    format.applyPattern("{1,date}");
    assertEquals("Wrong locale3", DateFormat.getDateInstance(DateFormat.DEFAULT,
                                                             Locale.CHINA), format.getFormats()[0]);
  }

  public void test_toPattern() {
    String pattern = "[{0}]";
    MessageFormat mf = new MessageFormat(pattern);
    assertTrue("Wrong pattern", mf.toPattern().equals(pattern));

    // Regression for HARMONY-59
    new MessageFormat("CHOICE {1,choice}").toPattern();
  }

  protected void setUp() {
    defaultLocale = Locale.getDefault();
    Locale.setDefault(Locale.US);

    // test with repeating formats and max argument index < max offset
    String pattern = "A {3, number, currency} B {2, time} C {0, number, percent} D {4}  E {1,choice,0#off|1#on} F {0, date}";
    format1 = new MessageFormat(pattern);

    // test with max argument index > max offset
    pattern = "A {3, number, currency} B {8, time} C {0, number, percent} D {6}  E {1,choice,0#off|1#on} F {0, date}";
    format2 = new MessageFormat(pattern);

    // test with argument number being zero
    pattern = "A B C D E F";
    format3 = new MessageFormat(pattern);
  }

  protected void tearDown() {
    Locale.setDefault(defaultLocale);
  }

  public void test_ConstructorLjava_util_Locale() {
    // Regression for HARMONY-65
    try {
      new MessageFormat("{0,number,integer", Locale.US);
      fail("Assert 0: Failed to detect unmatched brackets.");
    } catch (IllegalArgumentException e) {
      // expected
    }
  }

  public void test_parse() throws ParseException {
    // Regression for HARMONY-63
    MessageFormat mf = new MessageFormat("{0,number,#,##}", Locale.US);
    Object[] res = mf.parse("1,00,00");
    assertEquals("Assert 0: incorrect size of parsed data ", 1, res.length);
    assertEquals("Assert 1: parsed value incorrectly", new Long(10000), (Long)res[0]);
  }

  public void test_format_Object() {
    // Regression for HARMONY-1875
    Locale.setDefault(Locale.CANADA);
    TimeZone.setDefault(TimeZone.getTimeZone("UTC"));
    String pat="text here {0, date, yyyyyyyyy } and here";
    String etalon="text here  000002007  and here";
    MessageFormat obj = new MessageFormat(pat);
    assertEquals(etalon, obj.format(new Object[]{new Date(1198141737640L)}));

    assertEquals("{0}", MessageFormat.format("{0}", (Object[]) null));
    assertEquals("nullABC", MessageFormat.format("{0}{1}", (Object[]) new String[]{null, "ABC"}));
  }

  public void testHARMONY5323() {
    Object[] messageArgs = new Object[11];
    for (int i = 0; i < messageArgs.length; i++) {
      messageArgs[i] = "example" + i;
    }

    String res = MessageFormat.format("bgcolor=\"{10}\"", messageArgs);
    assertEquals(res, "bgcolor=\"example10\"");
  }

  // http://b/19011159
  public void test19011159() {
    final String pattern = "ab{0,choice,0#1'2''3'''4''''.}yz";
    final MessageFormat format = new MessageFormat(pattern, Locale.ENGLISH);
    final Object[] zero0 = new Object[] { 0 };
    assertEquals("ab12'3'4''.yz", format.format(zero0));
  }
}
