1 /* 2 * Copyright (C) 2007 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.testers; 18 19 import static com.google.common.collect.testing.features.CollectionSize.ZERO; 20 21 import com.google.common.annotations.GwtCompatible; 22 import com.google.common.collect.testing.AbstractMapTester; 23 import com.google.common.collect.testing.features.CollectionSize; 24 import org.junit.Ignore; 25 26 /** 27 * A generic JUnit test which tests {@code isEmpty()} operations on a map. Can't be invoked 28 * directly; please see {@link com.google.common.collect.testing.MapTestSuiteBuilder}. 29 * 30 * @author Kevin Bourrillion 31 */ 32 @GwtCompatible 33 @Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests. 34 public class MapIsEmptyTester<K, V> extends AbstractMapTester<K, V> { 35 @CollectionSize.Require(ZERO) testIsEmpty_yes()36 public void testIsEmpty_yes() { 37 assertTrue("isEmpty() should return true", getMap().isEmpty()); 38 } 39 40 @CollectionSize.Require(absent = ZERO) testIsEmpty_no()41 public void testIsEmpty_no() { 42 assertFalse("isEmpty() should return false", getMap().isEmpty()); 43 } 44 } 45