1 /* 2 * Copyright (C) 2008 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 17 package com.google.common.collect.testing; 18 19 import com.google.common.annotations.GwtCompatible; 20 import com.google.common.collect.testing.SampleElements.Strings; 21 import java.util.List; 22 import java.util.Queue; 23 24 /** 25 * Create queue of strings for tests. 26 * 27 * @author Jared Levy 28 */ 29 @GwtCompatible 30 public abstract class TestStringQueueGenerator implements TestQueueGenerator<String> { 31 @Override samples()32 public SampleElements<String> samples() { 33 return new Strings(); 34 } 35 36 @Override create(Object... elements)37 public Queue<String> create(Object... elements) { 38 String[] array = new String[elements.length]; 39 int i = 0; 40 for (Object e : elements) { 41 array[i++] = (String) e; 42 } 43 return create(array); 44 } 45 create(String[] elements)46 protected abstract Queue<String> create(String[] elements); 47 48 @Override createArray(int length)49 public String[] createArray(int length) { 50 return new String[length]; 51 } 52 53 /** Returns the original element list, unchanged. */ 54 @Override order(List<String> insertionOrder)55 public List<String> order(List<String> insertionOrder) { 56 return insertionOrder; 57 } 58 } 59