| /* |
| * Copyright (C) 2015 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.testers; |
| |
| 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 static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_VALUES; |
| |
| import com.google.common.annotations.GwtCompatible; |
| import com.google.common.collect.testing.AbstractMapTester; |
| import com.google.common.collect.testing.WrongType; |
| import com.google.common.collect.testing.features.CollectionSize; |
| import com.google.common.collect.testing.features.MapFeature; |
| import java.util.Map; |
| import org.junit.Ignore; |
| |
| /** |
| * A generic JUnit test which tests {@link Map#getOrDefault}. Can't be invoked directly; please see |
| * {@link com.google.common.collect.testing.MapTestSuiteBuilder}. |
| * |
| * @author Louis Wasserman |
| */ |
| @GwtCompatible |
| @Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests. |
| public class MapGetOrDefaultTester<K, V> extends AbstractMapTester<K, V> { |
| @CollectionSize.Require(absent = ZERO) |
| public void testGetOrDefault_present() { |
| assertEquals( |
| "getOrDefault(present, def) should return the associated value", |
| v0(), |
| getMap().getOrDefault(k0(), v3())); |
| } |
| |
| @CollectionSize.Require(absent = ZERO) |
| public void testGetOrDefault_presentNullDefault() { |
| assertEquals( |
| "getOrDefault(present, null) should return the associated value", |
| v0(), |
| getMap().getOrDefault(k0(), null)); |
| } |
| |
| public void testGetOrDefault_absent() { |
| assertEquals( |
| "getOrDefault(absent, def) should return the default value", |
| v3(), |
| getMap().getOrDefault(k3(), v3())); |
| } |
| |
| public void testGetOrDefault_absentNullDefault() { |
| assertNull("getOrDefault(absent, null) should return null", getMap().getOrDefault(k3(), null)); |
| } |
| |
| @MapFeature.Require(ALLOWS_NULL_KEY_QUERIES) |
| public void testGetOrDefault_absentNull() { |
| assertEquals( |
| "getOrDefault(null, def) should return the default value", |
| v3(), |
| getMap().getOrDefault(null, v3())); |
| } |
| |
| @MapFeature.Require(absent = ALLOWS_NULL_KEY_QUERIES) |
| public void testGetOrDefault_nullAbsentAndUnsupported() { |
| try { |
| assertEquals( |
| "getOrDefault(null, def) should return default or throw", |
| v3(), |
| getMap().getOrDefault(null, v3())); |
| } catch (NullPointerException tolerated) { |
| } |
| } |
| |
| @MapFeature.Require(ALLOWS_NULL_KEYS) |
| @CollectionSize.Require(absent = ZERO) |
| public void testGetOrDefault_nonNullWhenNullContained() { |
| initMapWithNullKey(); |
| assertEquals( |
| "getOrDefault(absent, default) should return default", |
| v3(), |
| getMap().getOrDefault(k3(), v3())); |
| } |
| |
| @MapFeature.Require(ALLOWS_NULL_KEYS) |
| @CollectionSize.Require(absent = ZERO) |
| public void testGetOrDefault_presentNull() { |
| initMapWithNullKey(); |
| assertEquals( |
| "getOrDefault(null, default) should return the associated value", |
| getValueForNullKey(), |
| getMap().getOrDefault(null, v3())); |
| } |
| |
| @MapFeature.Require(ALLOWS_NULL_VALUES) |
| @CollectionSize.Require(absent = ZERO) |
| public void testGetOrDefault_presentMappedToNull() { |
| initMapWithNullValue(); |
| assertNull( |
| "getOrDefault(mappedToNull, default) should return null", |
| getMap().getOrDefault(getKeyForNullValue(), v3())); |
| } |
| |
| public void testGet_wrongType() { |
| try { |
| assertEquals( |
| "getOrDefault(wrongType, default) should return default or throw", |
| v3(), |
| getMap().getOrDefault(WrongType.VALUE, v3())); |
| } catch (ClassCastException tolerated) { |
| } |
| } |
| } |