dart/editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/utilities/collection/ListUtilitiesTest.java

/*
 * Copyright (c) 2013, the Dart project authors.
 * 
 * Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html
 * 
 * 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.dart.engine.utilities.collection;

import junit.framework.TestCase;

import java.util.ArrayList;

public class ListUtilitiesTest extends TestCase {
  public void test_addAll_emptyToEmpty() {
    ArrayList<String> list = new ArrayList<String>();
    String[] elements = {};
    ListUtilities.addAll(list, elements);
    assertEquals(0, list.size());
  }

  public void test_addAll_emptyToNonEmpty() {
    ArrayList<String> list = new ArrayList<String>();
    list.add("a");
    String[] elements = {};
    ListUtilities.addAll(list, elements);
    assertEquals(1, list.size());
  }

  public void test_addAll_nonEmptyToEmpty() {
    ArrayList<String> list = new ArrayList<String>();
    String[] elements = {"b", "c"};
    ListUtilities.addAll(list, elements);
    assertEquals(2, list.size());
  }

  public void test_addAll_nonEmptyToNonEmpty() {
    ArrayList<String> list = new ArrayList<String>();
    list.add("a");
    String[] elements = {"b", "c"};
    ListUtilities.addAll(list, elements);
    assertEquals(3, list.size());
  }
}