CharacterConverterTest.java

/*
 *  Copyright (c) 2011-2013 The original author or authors
 *  ------------------------------------------------------
 *  All rights reserved. This program and the accompanying materials
 *  are made available under the terms of the Eclipse Public License v1.0
 *  and Apache License v2.0 which accompanies this distribution.
 *
 *       The Eclipse Public License is available at
 *       http://www.eclipse.org/legal/epl-v10.html
 *
 *       The Apache License v2.0 is available at
 *       http://www.opensource.org/licenses/apache2.0.php
 *
 *  You may elect to redistribute this code under either of these licenses.
 */
package io.vertx.core.cli.converters;

import org.junit.Test;

import static org.assertj.core.api.Assertions.assertThat;


public class CharacterConverterTest {

  CharacterConverter converter = CharacterConverter.INSTANCE;

  @Test
  public void testFromString() throws Exception {
    assertThat(converter.fromString("a")).isEqualTo('a');
  }

  @Test(expected = NullPointerException.class)
  public void testWithNull() throws Exception {
    converter.fromString(null);
  }

  @Test(expected = IllegalArgumentException.class)
  public void testWithEmptyString() throws Exception {
    converter.fromString("");
  }

  @Test(expected = IllegalArgumentException.class)
  public void testWithLongString() throws Exception {
    converter.fromString("ab");
  }
}