11d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/* 21d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Copyright (C) 2009 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.CollectionFeature.SUPPORTS_ADD; 201d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport static com.google.common.collect.testing.features.CollectionSize.SEVERAL; 211d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport static com.google.common.collect.testing.features.CollectionSize.ZERO; 221d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport static java.util.Collections.nCopies; 231d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 241d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.annotations.GwtCompatible; 251d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.testing.features.CollectionFeature; 261d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.testing.features.CollectionSize; 271d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 281d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/** 291d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * A generic JUnit test which tests conditional {@code setCount()} operations on 301d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * a multiset. Can't be invoked directly; please see 311d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * {@link MultisetTestSuiteBuilder}. 321d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 331d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * @author Chris Povirk 341d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 351d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert@GwtCompatible 361d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertpublic class MultisetSetCountConditionallyTester<E> extends 371d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert AbstractMultisetSetCountTester<E> { 381d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @Override void setCountCheckReturnValue(E element, int count) { 391d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertTrue( 401d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert "setCount() with the correct expected present count should return true", 411d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert setCount(element, count)); 421d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 431d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 441d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @Override void setCountNoCheckReturnValue(E element, int count) { 451d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert setCount(element, count); 461d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 471d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 481d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert private boolean setCount(E element, int count) { 491d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return getMultiset().setCount(element, getMultiset().count(element), count); 501d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 511d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 521d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert private void assertSetCountNegativeOldCount() { 531d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert try { 541d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert getMultiset().setCount(samples.e3, -1, 1); 551d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert fail("calling setCount() with a negative oldCount should throw " 561d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert + "IllegalArgumentException"); 571d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } catch (IllegalArgumentException expected) { 581d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 591d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 601d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 611d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert // Negative oldCount. 621d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 631d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionFeature.Require(SUPPORTS_ADD) 641d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testSetCountConditional_negativeOldCount_addSupported() { 651d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertSetCountNegativeOldCount(); 661d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 671d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 681d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionFeature.Require(absent = SUPPORTS_ADD) 691d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testSetCountConditional_negativeOldCount_addUnsupported() { 701d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert try { 711d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertSetCountNegativeOldCount(); 721d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } catch (UnsupportedOperationException tolerated) { 731d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 741d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 751d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 761d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert // Incorrect expected present count. 771d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 781d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionFeature.Require(SUPPORTS_ADD) 791d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testSetCountConditional_oldCountTooLarge() { 801d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertFalse("setCount() with a too-large oldCount should return false", 811d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert getMultiset().setCount(samples.e0, 2, 3)); 821d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectUnchanged(); 831d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 841d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 851d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionSize.Require(absent = ZERO) 861d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionFeature.Require(SUPPORTS_ADD) 871d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testSetCountConditional_oldCountTooSmallZero() { 881d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertFalse("setCount() with a too-small oldCount should return false", 891d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert getMultiset().setCount(samples.e0, 0, 2)); 901d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectUnchanged(); 911d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 921d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 931d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionSize.Require(SEVERAL) 941d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionFeature.Require(SUPPORTS_ADD) 951d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testSetCountConditional_oldCountTooSmallNonzero() { 961d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert initThreeCopies(); 971d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertFalse("setCount() with a too-small oldCount should return false", 981d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert getMultiset().setCount(samples.e0, 1, 5)); 991d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectContents(nCopies(3, samples.e0)); 1001d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1011d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1021d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert /* 1031d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * TODO: test that unmodifiable multisets either throw UOE or return false 1041d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * when both are valid options. Currently we test the UOE cases and the 1051d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * return-false cases but not their intersection 1061d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 1071d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert} 108