| /* |
| * 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_KEY_QUERIES; |
| import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_VALUE_QUERIES; |
| import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_REMOVE; |
| |
| import com.google.common.annotations.GwtCompatible; |
| import com.google.common.collect.testing.AbstractMapTester; |
| import com.google.common.collect.testing.features.CollectionSize; |
| import com.google.common.collect.testing.features.MapFeature; |
| import java.util.concurrent.ConcurrentMap; |
| import org.junit.Ignore; |
| |
| /** |
| * Tester for {@link ConcurrentMap#remove}. Can't be invoked directly; please see {@link |
| * com.google.common.collect.testing.ConcurrentMapTestSuiteBuilder}. |
| * |
| * @author Louis Wasserman |
| */ |
| @GwtCompatible |
| @Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests. |
| public class ConcurrentMapRemoveTester<K, V> extends AbstractMapTester<K, V> { |
| @Override |
| protected ConcurrentMap<K, V> getMap() { |
| return (ConcurrentMap<K, V>) super.getMap(); |
| } |
| |
| @MapFeature.Require(SUPPORTS_REMOVE) |
| @CollectionSize.Require(absent = ZERO) |
| public void testRemove_supportedPresent() { |
| assertTrue(getMap().remove(k0(), v0())); |
| expectMissing(e0()); |
| } |
| |
| @MapFeature.Require(SUPPORTS_REMOVE) |
| public void testRemove_supportedPresentKeyWrongValue() { |
| assertFalse(getMap().remove(k0(), v3())); |
| expectUnchanged(); |
| } |
| |
| @MapFeature.Require(SUPPORTS_REMOVE) |
| public void testRemove_supportedWrongKeyPresentValue() { |
| assertFalse(getMap().remove(k3(), v0())); |
| expectUnchanged(); |
| } |
| |
| @MapFeature.Require(SUPPORTS_REMOVE) |
| public void testRemove_supportedAbsentKeyAbsentValue() { |
| assertFalse(getMap().remove(k3(), v3())); |
| expectUnchanged(); |
| } |
| |
| @MapFeature.Require(value = SUPPORTS_REMOVE, absent = ALLOWS_NULL_KEY_QUERIES) |
| public void testRemove_nullKeyQueriesUnsupported() { |
| try { |
| assertFalse(getMap().remove(null, v3())); |
| } catch (NullPointerException tolerated) { |
| // since the operation would be a no-op, the exception is not required |
| } |
| expectUnchanged(); |
| } |
| |
| @MapFeature.Require(value = SUPPORTS_REMOVE, absent = ALLOWS_NULL_VALUE_QUERIES) |
| public void testRemove_nullValueQueriesUnsupported() { |
| try { |
| assertFalse(getMap().remove(k3(), null)); |
| } catch (NullPointerException tolerated) { |
| // since the operation would be a no-op, the exception is not required |
| } |
| expectUnchanged(); |
| } |
| |
| @MapFeature.Require(absent = SUPPORTS_REMOVE) |
| @CollectionSize.Require(absent = ZERO) |
| public void testRemove_unsupportedPresent() { |
| try { |
| getMap().remove(k0(), v0()); |
| fail("Expected UnsupportedOperationException"); |
| } catch (UnsupportedOperationException expected) { |
| } |
| expectUnchanged(); |
| } |
| |
| @MapFeature.Require(absent = SUPPORTS_REMOVE) |
| public void testRemove_unsupportedAbsent() { |
| try { |
| assertFalse(getMap().remove(k0(), v3())); |
| } catch (UnsupportedOperationException tolerated) { |
| // since the operation would be a no-op, the exception is not required |
| } |
| expectUnchanged(); |
| } |
| } |