| /* |
| * Copyright (C) 2012 The Guava Authors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.google.common.collect.testing.google; |
| |
| import static com.google.common.collect.testing.features.CollectionSize.ZERO; |
| import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_KEYS; |
| import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_KEY_QUERIES; |
| |
| import com.google.common.annotations.GwtCompatible; |
| import com.google.common.collect.Multimap; |
| import com.google.common.collect.testing.features.CollectionSize; |
| import com.google.common.collect.testing.features.MapFeature; |
| import org.junit.Ignore; |
| |
| /** |
| * Tester for the {@code containsKey} methods of {@code Multimap} and its {@code asMap()} view. |
| * |
| * @author Louis Wasserman |
| */ |
| @GwtCompatible |
| @Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests. |
| public class MultimapContainsKeyTester<K, V> extends AbstractMultimapTester<K, V, Multimap<K, V>> { |
| @CollectionSize.Require(absent = ZERO) |
| public void testContainsKeyYes() { |
| assertTrue(multimap().containsKey(k0())); |
| } |
| |
| public void testContainsKeyNo() { |
| assertFalse(multimap().containsKey(k3())); |
| } |
| |
| public void testContainsKeysFromKeySet() { |
| for (K k : multimap().keySet()) { |
| assertTrue(multimap().containsKey(k)); |
| } |
| } |
| |
| public void testContainsKeyAgreesWithGet() { |
| for (K k : sampleKeys()) { |
| assertEquals(!multimap().get(k).isEmpty(), multimap().containsKey(k)); |
| } |
| } |
| |
| public void testContainsKeyAgreesWithAsMap() { |
| for (K k : sampleKeys()) { |
| assertEquals(multimap().containsKey(k), multimap().asMap().containsKey(k)); |
| } |
| } |
| |
| public void testContainsKeyAgreesWithKeySet() { |
| for (K k : sampleKeys()) { |
| assertEquals(multimap().containsKey(k), multimap().keySet().contains(k)); |
| } |
| } |
| |
| @MapFeature.Require(ALLOWS_NULL_KEYS) |
| @CollectionSize.Require(absent = ZERO) |
| public void testContainsKeyNullPresent() { |
| initMultimapWithNullKey(); |
| assertTrue(multimap().containsKey(null)); |
| } |
| |
| @MapFeature.Require(ALLOWS_NULL_KEY_QUERIES) |
| public void testContainsKeyNullAbsent() { |
| assertFalse(multimap().containsKey(null)); |
| } |
| |
| @MapFeature.Require(absent = ALLOWS_NULL_KEY_QUERIES) |
| public void testContainsKeyNullDisallowed() { |
| try { |
| multimap().containsKey(null); |
| fail("Expected NullPointerException"); |
| } catch (NullPointerException expected) { |
| // success |
| } |
| } |
| } |