11d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/* 21d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Copyright (C) 2007 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.testers; 181d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 191d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport static com.google.common.collect.testing.features.CollectionSize.ZERO; 201d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 217dd252788645e940eada959bdde927426e2531c9Paul Duffinimport com.google.common.annotations.GwtCompatible; 221d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.testing.AbstractCollectionTester; 231d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.testing.features.CollectionSize; 241d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 251d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/** 261d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * A generic JUnit test which tests {@code isEmpty()} operations on a 271d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * collection. Can't be invoked directly; please see 281d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * {@link com.google.common.collect.testing.CollectionTestSuiteBuilder}. 291d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 301d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * @author Kevin Bourrillion 311d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 327dd252788645e940eada959bdde927426e2531c9Paul Duffin@GwtCompatible 331d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertpublic class CollectionIsEmptyTester<E> extends AbstractCollectionTester<E> { 341d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionSize.Require(ZERO) 351d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testIsEmpty_yes() { 361d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertTrue("isEmpty() should return true", collection.isEmpty()); 371d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 381d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 391d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionSize.Require(absent = ZERO) 401d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testIsEmpty_no() { 411d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertFalse("isEmpty() should return false", collection.isEmpty()); 421d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 431d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert} 44