17dd252788645e940eada959bdde927426e2531c9Paul Duffin/* 27dd252788645e940eada959bdde927426e2531c9Paul Duffin * Copyright (C) 2012 The Guava Authors 37dd252788645e940eada959bdde927426e2531c9Paul Duffin * 47dd252788645e940eada959bdde927426e2531c9Paul Duffin * Licensed under the Apache License, Version 2.0 (the "License"); 57dd252788645e940eada959bdde927426e2531c9Paul Duffin * you may not use this file except in compliance with the License. 67dd252788645e940eada959bdde927426e2531c9Paul Duffin * You may obtain a copy of the License at 77dd252788645e940eada959bdde927426e2531c9Paul Duffin * 87dd252788645e940eada959bdde927426e2531c9Paul Duffin * http://www.apache.org/licenses/LICENSE-2.0 97dd252788645e940eada959bdde927426e2531c9Paul Duffin * 107dd252788645e940eada959bdde927426e2531c9Paul Duffin * Unless required by applicable law or agreed to in writing, software 117dd252788645e940eada959bdde927426e2531c9Paul Duffin * distributed under the License is distributed on an "AS IS" BASIS, 127dd252788645e940eada959bdde927426e2531c9Paul Duffin * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 137dd252788645e940eada959bdde927426e2531c9Paul Duffin * See the License for the specific language governing permissions and 147dd252788645e940eada959bdde927426e2531c9Paul Duffin * limitations under the License. 157dd252788645e940eada959bdde927426e2531c9Paul Duffin */ 167dd252788645e940eada959bdde927426e2531c9Paul Duffin 177dd252788645e940eada959bdde927426e2531c9Paul Duffinpackage com.google.common.collect.testing.google; 187dd252788645e940eada959bdde927426e2531c9Paul Duffin 197dd252788645e940eada959bdde927426e2531c9Paul Duffinimport static com.google.common.collect.testing.Helpers.mapEntry; 207dd252788645e940eada959bdde927426e2531c9Paul Duffinimport static com.google.common.collect.testing.features.CollectionSize.SEVERAL; 217dd252788645e940eada959bdde927426e2531c9Paul Duffinimport static com.google.common.collect.testing.features.CollectionSize.ZERO; 220888a09821a98ac0680fad765217302858e70fa4Paul Duffinimport static com.google.common.collect.testing.features.MapFeature.*; 237dd252788645e940eada959bdde927426e2531c9Paul Duffin 247dd252788645e940eada959bdde927426e2531c9Paul Duffinimport com.google.common.annotations.GwtCompatible; 257dd252788645e940eada959bdde927426e2531c9Paul Duffinimport com.google.common.collect.Multimap; 267dd252788645e940eada959bdde927426e2531c9Paul Duffinimport com.google.common.collect.testing.features.CollectionSize; 277dd252788645e940eada959bdde927426e2531c9Paul Duffinimport com.google.common.collect.testing.features.MapFeature; 287dd252788645e940eada959bdde927426e2531c9Paul Duffin 297dd252788645e940eada959bdde927426e2531c9Paul Duffinimport java.util.Collection; 307dd252788645e940eada959bdde927426e2531c9Paul Duffinimport java.util.Map.Entry; 317dd252788645e940eada959bdde927426e2531c9Paul Duffin 327dd252788645e940eada959bdde927426e2531c9Paul Duffin/** 337dd252788645e940eada959bdde927426e2531c9Paul Duffin * Tester for the {@code size} methods of {@code Multimap} and its views. 347dd252788645e940eada959bdde927426e2531c9Paul Duffin * 357dd252788645e940eada959bdde927426e2531c9Paul Duffin * @author Louis Wasserman 367dd252788645e940eada959bdde927426e2531c9Paul Duffin */ 377dd252788645e940eada959bdde927426e2531c9Paul Duffin@GwtCompatible 387dd252788645e940eada959bdde927426e2531c9Paul Duffinpublic class MultimapSizeTester<K, V> extends AbstractMultimapTester<K, V, Multimap<K, V>> { 397dd252788645e940eada959bdde927426e2531c9Paul Duffin 407dd252788645e940eada959bdde927426e2531c9Paul Duffin public void testSize() { 417dd252788645e940eada959bdde927426e2531c9Paul Duffin int expectedSize = getNumElements(); 427dd252788645e940eada959bdde927426e2531c9Paul Duffin Multimap<K, V> multimap = multimap(); 437dd252788645e940eada959bdde927426e2531c9Paul Duffin assertEquals(expectedSize, multimap.size()); 447dd252788645e940eada959bdde927426e2531c9Paul Duffin 457dd252788645e940eada959bdde927426e2531c9Paul Duffin int size = 0; 467dd252788645e940eada959bdde927426e2531c9Paul Duffin for (Entry<K, V> entry : multimap.entries()) { 477dd252788645e940eada959bdde927426e2531c9Paul Duffin assertTrue(multimap.containsEntry(entry.getKey(), entry.getValue())); 487dd252788645e940eada959bdde927426e2531c9Paul Duffin size++; 497dd252788645e940eada959bdde927426e2531c9Paul Duffin } 507dd252788645e940eada959bdde927426e2531c9Paul Duffin assertEquals(expectedSize, size); 517dd252788645e940eada959bdde927426e2531c9Paul Duffin 527dd252788645e940eada959bdde927426e2531c9Paul Duffin int size2 = 0; 537dd252788645e940eada959bdde927426e2531c9Paul Duffin for (Entry<K, Collection<V>> entry2 : multimap.asMap().entrySet()) { 547dd252788645e940eada959bdde927426e2531c9Paul Duffin size2 += entry2.getValue().size(); 557dd252788645e940eada959bdde927426e2531c9Paul Duffin } 567dd252788645e940eada959bdde927426e2531c9Paul Duffin assertEquals(expectedSize, size2); 577dd252788645e940eada959bdde927426e2531c9Paul Duffin } 587dd252788645e940eada959bdde927426e2531c9Paul Duffin 597dd252788645e940eada959bdde927426e2531c9Paul Duffin @CollectionSize.Require(ZERO) 607dd252788645e940eada959bdde927426e2531c9Paul Duffin public void testIsEmptyYes() { 617dd252788645e940eada959bdde927426e2531c9Paul Duffin assertTrue(multimap().isEmpty()); 627dd252788645e940eada959bdde927426e2531c9Paul Duffin } 637dd252788645e940eada959bdde927426e2531c9Paul Duffin 647dd252788645e940eada959bdde927426e2531c9Paul Duffin @CollectionSize.Require(absent = ZERO) 657dd252788645e940eada959bdde927426e2531c9Paul Duffin public void testIsEmptyNo() { 667dd252788645e940eada959bdde927426e2531c9Paul Duffin assertFalse(multimap().isEmpty()); 677dd252788645e940eada959bdde927426e2531c9Paul Duffin } 687dd252788645e940eada959bdde927426e2531c9Paul Duffin 697dd252788645e940eada959bdde927426e2531c9Paul Duffin @CollectionSize.Require(absent = ZERO) 707dd252788645e940eada959bdde927426e2531c9Paul Duffin @MapFeature.Require(ALLOWS_NULL_KEYS) 710888a09821a98ac0680fad765217302858e70fa4Paul Duffin public void testSizeNullKey() { 727dd252788645e940eada959bdde927426e2531c9Paul Duffin initMultimapWithNullKey(); 737dd252788645e940eada959bdde927426e2531c9Paul Duffin assertEquals(getNumElements(), multimap().size()); 747dd252788645e940eada959bdde927426e2531c9Paul Duffin assertFalse(multimap().isEmpty()); 757dd252788645e940eada959bdde927426e2531c9Paul Duffin } 767dd252788645e940eada959bdde927426e2531c9Paul Duffin 770888a09821a98ac0680fad765217302858e70fa4Paul Duffin @CollectionSize.Require(absent = ZERO) 780888a09821a98ac0680fad765217302858e70fa4Paul Duffin @MapFeature.Require(ALLOWS_NULL_VALUES) 790888a09821a98ac0680fad765217302858e70fa4Paul Duffin public void testSizeNullValue() { 800888a09821a98ac0680fad765217302858e70fa4Paul Duffin initMultimapWithNullValue(); 810888a09821a98ac0680fad765217302858e70fa4Paul Duffin assertEquals(getNumElements(), multimap().size()); 820888a09821a98ac0680fad765217302858e70fa4Paul Duffin assertFalse(multimap().isEmpty()); 830888a09821a98ac0680fad765217302858e70fa4Paul Duffin } 840888a09821a98ac0680fad765217302858e70fa4Paul Duffin 850888a09821a98ac0680fad765217302858e70fa4Paul Duffin @CollectionSize.Require(absent = ZERO) 860888a09821a98ac0680fad765217302858e70fa4Paul Duffin @MapFeature.Require({ALLOWS_NULL_KEYS, ALLOWS_NULL_VALUES}) 870888a09821a98ac0680fad765217302858e70fa4Paul Duffin public void testSizeNullKeyAndValue() { 880888a09821a98ac0680fad765217302858e70fa4Paul Duffin initMultimapWithNullKeyAndValue(); 890888a09821a98ac0680fad765217302858e70fa4Paul Duffin assertEquals(getNumElements(), multimap().size()); 900888a09821a98ac0680fad765217302858e70fa4Paul Duffin assertFalse(multimap().isEmpty()); 910888a09821a98ac0680fad765217302858e70fa4Paul Duffin } 920888a09821a98ac0680fad765217302858e70fa4Paul Duffin 937dd252788645e940eada959bdde927426e2531c9Paul Duffin @CollectionSize.Require(SEVERAL) 947dd252788645e940eada959bdde927426e2531c9Paul Duffin public void testSizeMultipleValues() { 957dd252788645e940eada959bdde927426e2531c9Paul Duffin resetContainer( 967dd252788645e940eada959bdde927426e2531c9Paul Duffin mapEntry(sampleKeys().e0, sampleValues().e0), 977dd252788645e940eada959bdde927426e2531c9Paul Duffin mapEntry(sampleKeys().e0, sampleValues().e1), 987dd252788645e940eada959bdde927426e2531c9Paul Duffin mapEntry(sampleKeys().e0, sampleValues().e2)); 997dd252788645e940eada959bdde927426e2531c9Paul Duffin 1007dd252788645e940eada959bdde927426e2531c9Paul Duffin assertEquals(3, multimap().size()); 1017dd252788645e940eada959bdde927426e2531c9Paul Duffin assertEquals(3, multimap().entries().size()); 1027dd252788645e940eada959bdde927426e2531c9Paul Duffin assertEquals(3, multimap().keys().size()); 1037dd252788645e940eada959bdde927426e2531c9Paul Duffin 1047dd252788645e940eada959bdde927426e2531c9Paul Duffin assertEquals(1, multimap().keySet().size()); 1057dd252788645e940eada959bdde927426e2531c9Paul Duffin assertEquals(1, multimap().asMap().size()); 1067dd252788645e940eada959bdde927426e2531c9Paul Duffin } 1077dd252788645e940eada959bdde927426e2531c9Paul Duffin} 108