MultisetReadsTester.java revision 0888a09821a98ac0680fad765217302858e70fa4
11d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/* 21d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Copyright (C) 2008 The Guava Authors 31d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 41d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Licensed under the Apache License, Version 2.0 (the "License"); 51d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * you may not use this file except in compliance with the License. 61d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * You may obtain a copy of the License at 71d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 81d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * http://www.apache.org/licenses/LICENSE-2.0 91d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 101d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Unless required by applicable law or agreed to in writing, software 111d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * distributed under the License is distributed on an "AS IS" BASIS, 121d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 131d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * See the License for the specific language governing permissions and 141d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * limitations under the License. 151d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 161d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 171d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertpackage com.google.common.collect.testing.google; 181d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 191d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport static com.google.common.collect.testing.features.CollectionSize.ONE; 201d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport static com.google.common.collect.testing.features.CollectionSize.ZERO; 211d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 221d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.annotations.GwtCompatible; 231d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.HashMultiset; 241d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.Multiset; 251d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.Multisets; 261d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.testing.features.CollectionSize; 271d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 281d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/** 291d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * A generic JUnit test which tests multiset-specific read operations. 301d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Can't be invoked directly; please see 311d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * {@link com.google.common.collect.testing.SetTestSuiteBuilder}. 321d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 331d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * @author Jared Levy 341d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 350888a09821a98ac0680fad765217302858e70fa4Paul Duffin@GwtCompatible 361d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertpublic class MultisetReadsTester<E> extends AbstractMultisetTester<E> { 371d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 381d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionSize.Require(absent = ZERO) 391d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testElementSet_contains() { 401d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertTrue("multiset.elementSet().contains(present) returned false", 411d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert getMultiset().elementSet().contains(samples.e0)); 421d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 431d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 441d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionSize.Require(absent = ZERO) 451d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testEntrySet_contains() { 461d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertTrue("multiset.entrySet() didn't contain [present, 1]", 471d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert getMultiset().entrySet().contains( 481d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Multisets.immutableEntry(samples.e0, 1))); 491d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 501d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 511d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testEntrySet_contains_count0() { 521d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertFalse("multiset.entrySet() contains [missing, 0]", 531d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert getMultiset().entrySet().contains( 541d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Multisets.immutableEntry(samples.e3, 0))); 551d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 561d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 571d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testEntrySet_contains_nonentry() { 581d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertFalse("multiset.entrySet() contains a non-entry", 591d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert getMultiset().entrySet().contains(samples.e0)); 601d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 611d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 621d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testEntrySet_twice() { 631d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertEquals("calling multiset.entrySet() twice returned unequal sets", 641d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert getMultiset().entrySet(), getMultiset().entrySet()); 651d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 661d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 671d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionSize.Require(ZERO) 681d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testEntrySet_hashCode_size0() { 691d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertEquals("multiset.entrySet() has incorrect hash code", 701d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 0, getMultiset().entrySet().hashCode()); 711d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 721d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 731d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionSize.Require(ONE) 741d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testEntrySet_hashCode_size1() { 751d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertEquals("multiset.entrySet() has incorrect hash code", 761d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1 ^ samples.e0.hashCode(), getMultiset().entrySet().hashCode()); 771d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 781d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 791d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testEquals_yes() { 801d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertTrue("multiset doesn't equal a multiset with the same elements", 811d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert getMultiset().equals(HashMultiset.create(getSampleElements()))); 821d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 831d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 841d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testEquals_differentSize() { 851d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Multiset<E> other = HashMultiset.create(getSampleElements()); 861d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert other.add(samples.e0); 871d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertFalse("multiset equals a multiset with a different size", 881d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert getMultiset().equals(other)); 891d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 901d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 911d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionSize.Require(absent = ZERO) 921d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testEquals_differentElements() { 931d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Multiset<E> other = HashMultiset.create(getSampleElements()); 941d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert other.remove(samples.e0); 951d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert other.add(samples.e3); 961d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertFalse("multiset equals a multiset with different elements", 971d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert getMultiset().equals(other)); 981d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 991d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1001d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionSize.Require(ZERO) 1011d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testHashCode_size0() { 1021d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertEquals("multiset has incorrect hash code", 1031d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 0, getMultiset().hashCode()); 1041d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1051d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1061d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionSize.Require(ONE) 1071d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testHashCode_size1() { 1081d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertEquals("multiset has incorrect hash code", 1091d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1 ^ samples.e0.hashCode(), getMultiset().hashCode()); 1101d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1111d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert} 112