| /* |
| * 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 com.google.common.annotations.GwtCompatible; |
| import com.google.common.collect.BiMap; |
| import com.google.common.collect.testing.AbstractMapTester; |
| import com.google.common.collect.testing.Helpers; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Map.Entry; |
| import org.junit.Ignore; |
| |
| /** Skeleton for a tester of a {@code BiMap}. */ |
| @GwtCompatible |
| @Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests. |
| public abstract class AbstractBiMapTester<K, V> extends AbstractMapTester<K, V> { |
| |
| @Override |
| protected BiMap<K, V> getMap() { |
| return (BiMap<K, V>) super.getMap(); |
| } |
| |
| static <K, V> Entry<V, K> reverseEntry(Entry<K, V> entry) { |
| return Helpers.mapEntry(entry.getValue(), entry.getKey()); |
| } |
| |
| @Override |
| protected void expectContents(Collection<Entry<K, V>> expected) { |
| super.expectContents(expected); |
| List<Entry<V, K>> reversedEntries = new ArrayList<>(); |
| for (Entry<K, V> entry : expected) { |
| reversedEntries.add(reverseEntry(entry)); |
| } |
| Helpers.assertEqualIgnoringOrder(getMap().inverse().entrySet(), reversedEntries); |
| |
| for (Entry<K, V> entry : expected) { |
| assertEquals( |
| "Wrong key for value " + entry.getValue(), |
| entry.getKey(), |
| getMap().inverse().get(entry.getValue())); |
| } |
| } |
| |
| @Override |
| protected void expectMissing(Entry<K, V>... entries) { |
| super.expectMissing(entries); |
| for (Entry<K, V> entry : entries) { |
| Entry<V, K> reversed = reverseEntry(entry); |
| BiMap<V, K> inv = getMap().inverse(); |
| assertFalse( |
| "Inverse should not contain entry " + reversed, inv.entrySet().contains(reversed)); |
| assertFalse( |
| "Inverse should not contain key " + reversed.getKey(), |
| inv.containsKey(reversed.getKey())); |
| assertFalse( |
| "Inverse should not contain value " + reversed.getValue(), |
| inv.containsValue(reversed.getValue())); |
| /* |
| * TODO(cpovirk): This is a bit stronger than super.expectMissing(), which permits a <key, |
| * someOtherValue> pair. |
| */ |
| assertNull( |
| "Inverse should not return a mapping for key " + reversed.getKey(), |
| inv.get(reversed.getKey())); |
| } |
| } |
| } |