/*
 * Copyright 2011 Google Inc.
 *
 * 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 com.google.common.css;

import junit.framework.TestCase;

/**
 * {@link IdentitySubstitutionMapTest} is a unit test for
 * {@link IdentitySubstitutionMap}.
 *
 * @author bolinfest@google.com (Michael Bolin)
 */
public class IdentitySubstitutionMapTest extends TestCase {

  public void testNull() {
    IdentitySubstitutionMap map = new IdentitySubstitutionMap();
    try {
      map.get(null);
      fail();
    } catch (NullPointerException e) {
      // OK.
    }
  }

  public void testGet() {
    IdentitySubstitutionMap map = new IdentitySubstitutionMap();
    assertEquals("", map.get(""));
    assertEquals("a", map.get("a"));
    assertEquals("foo", map.get("foo"));
  }
}
