1 /* 2 * Copyright (C) 2012 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.google; 18 19 import com.google.common.annotations.GwtCompatible; 20 import com.google.common.collect.BiMap; 21 import com.google.common.collect.testing.Helpers; 22 import com.google.common.collect.testing.SampleElements; 23 24 import java.util.List; 25 import java.util.Map; 26 import java.util.Map.Entry; 27 28 /** 29 * Implementation helper for {@link TestBiMapGenerator} for use with bimaps of 30 * strings. 31 * 32 * @author Chris Povirk 33 * @author Jared Levy 34 * @author George van den Driessche 35 * @author Louis Wasserman 36 */ 37 @GwtCompatible 38 public abstract class TestStringBiMapGenerator 39 implements TestBiMapGenerator<String, String> { 40 41 @Override samples()42 public SampleElements<Map.Entry<String, String>> samples() { 43 return new SampleElements<Map.Entry<String, String>>( 44 Helpers.mapEntry("one", "January"), 45 Helpers.mapEntry("two", "February"), 46 Helpers.mapEntry("three", "March"), 47 Helpers.mapEntry("four", "April"), 48 Helpers.mapEntry("five", "May") 49 ); 50 } 51 52 @Override create(Object... entries)53 public final BiMap<String, String> create(Object... entries) { 54 @SuppressWarnings("unchecked") 55 Entry<String, String>[] array = new Entry[entries.length]; 56 int i = 0; 57 for (Object o : entries) { 58 @SuppressWarnings("unchecked") 59 Entry<String, String> e = (Entry<String, String>) o; 60 array[i++] = e; 61 } 62 return create(array); 63 } 64 create( Entry<String, String>[] entries)65 protected abstract BiMap<String, String> create( 66 Entry<String, String>[] entries); 67 68 @Override 69 @SuppressWarnings("unchecked") createArray(int length)70 public final Entry<String, String>[] createArray(int length) { 71 return new Entry[length]; 72 } 73 74 @Override createKeyArray(int length)75 public final String[] createKeyArray(int length) { 76 return new String[length]; 77 } 78 79 @Override createValueArray(int length)80 public final String[] createValueArray(int length) { 81 return new String[length]; 82 } 83 84 /** Returns the original element list, unchanged. */ 85 @Override order( List<Entry<String, String>> insertionOrder)86 public Iterable<Entry<String, String>> order( 87 List<Entry<String, String>> insertionOrder) { 88 return insertionOrder; 89 } 90 } 91