TestStringListGenerator.java revision 1d580d0f6ee4f21eb309ba7b509d2c6d671c4044
1/*
2 * Copyright (C) 2007 The Guava Authors
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.google.common.collect.testing;
18
19import com.google.common.collect.testing.SampleElements.Strings;
20
21import java.util.List;
22
23/**
24 * TODO: javadoc.
25 *
26 * <p>This class is GWT compatible.
27 *
28 * @author Kevin Bourrillion
29 */
30public abstract class TestStringListGenerator
31    implements TestListGenerator<String> {
32  @Override
33  public SampleElements<String> samples() {
34    return new Strings();
35  }
36
37  @Override
38  public List<String> create(Object... elements) {
39    String[] array = new String[elements.length];
40    int i = 0;
41    for (Object e : elements) {
42      array[i++] = (String) e;
43    }
44    return create(array);
45  }
46
47  /**
48   * Creates a new collection containing the given elements; implement this
49   * method instead of {@link #create(Object...)}.
50   */
51  protected abstract List<String> create(String[] elements);
52
53  @Override
54  public String[] createArray(int length) {
55    return new String[length];
56  }
57
58  /** Returns the original element list, unchanged. */
59  @Override
60  public List<String> order(List<String> insertionOrder) {
61    return insertionOrder;
62  }
63}
64