/**
 * Copyright (c) 2008, SnakeYAML
 *
 * Licensed 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.yaml.snakeyaml.issues.issue374;

import static org.junit.Assert.assertEquals;

import java.text.NumberFormat;
import java.text.ParseException;
import java.util.Locale;
import org.junit.Test;
import org.yaml.snakeyaml.Yaml;


public class NumberAsJavaBeanPropertyTest {

  @Test
  public void testNumberAsDouble() {
    Locale originalLocale = Locale.getDefault();

    Locale.setDefault(Locale.CANADA_FRENCH);

    AmbiguousNumberType original = new AmbiguousNumberType();
    original.number = 1.1;
    assertEquals(Double.class, original.number.getClass());

    Yaml yaml = new Yaml();
    String str = yaml.dump(original);

    AmbiguousNumberType interpreted = yaml.load(str);

    Locale.setDefault(originalLocale);
    assertEquals(original.number, interpreted.number);
  }

  public static class AmbiguousNumberType {

    public Number number;
  }

  @Test
  public void testNumberAsInteger() {
    AmbiguousNumberType original = new AmbiguousNumberType();
    original.number = 1;
    assertEquals(Integer.class, original.number.getClass());

    Yaml yaml = new Yaml();
    String str = yaml.dump(original);

    AmbiguousNumberType interpreted = yaml.load(str);

    assertEquals(Double.valueOf(original.number.intValue()), interpreted.number);
  }

  @Test
  public void testNumberAsLong() {
    AmbiguousNumberType original = new AmbiguousNumberType();
    original.number = 1L;
    assertEquals(Long.class, original.number.getClass());

    Yaml yaml = new Yaml();
    String str = yaml.dump(original);

    AmbiguousNumberType interpreted = yaml.load(str);

    assertEquals(Double.valueOf(original.number.intValue()), interpreted.number);
  }

  @Test
  public void testNumberFormatParse() throws ParseException {
    NumberFormat nf = NumberFormat.getInstance(Locale.US);
    assertEquals(Long.valueOf(1), nf.parse("1"));
    assertEquals("NumberFormat converts 1.0 to 1 - this is against the specification.",
        Long.valueOf(1), nf.parse("1.0"));
  }
}
