| /* |
| * Copyright (C) 2007 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_VALUES; |
| import static com.google.common.collect.testing.features.MapFeature.FAILS_FAST_ON_CONCURRENT_MODIFICATION; |
| import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_PUT; |
| import static java.util.Collections.singletonList; |
| |
| import com.google.common.annotations.GwtCompatible; |
| import com.google.common.annotations.GwtIncompatible; |
| import com.google.common.collect.testing.AbstractMapTester; |
| import com.google.common.collect.testing.Helpers; |
| import com.google.common.collect.testing.MinimalCollection; |
| import com.google.common.collect.testing.features.CollectionSize; |
| import com.google.common.collect.testing.features.MapFeature; |
| import java.lang.reflect.Method; |
| import java.util.Collections; |
| import java.util.ConcurrentModificationException; |
| import java.util.Iterator; |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import org.junit.Ignore; |
| |
| /** |
| * A generic JUnit test which tests {@code putAll} operations on a map. Can't be invoked directly; |
| * please see {@link com.google.common.collect.testing.MapTestSuiteBuilder}. |
| * |
| * @author Chris Povirk |
| * @author Kevin Bourrillion |
| */ |
| @SuppressWarnings("unchecked") // too many "unchecked generic array creations" |
| @GwtCompatible(emulated = true) |
| @Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests. |
| public class MapPutAllTester<K, V> extends AbstractMapTester<K, V> { |
| private List<Entry<K, V>> containsNullKey; |
| private List<Entry<K, V>> containsNullValue; |
| |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| containsNullKey = singletonList(entry(null, v3())); |
| containsNullValue = singletonList(entry(k3(), null)); |
| } |
| |
| @MapFeature.Require(SUPPORTS_PUT) |
| public void testPutAll_supportedNothing() { |
| getMap().putAll(emptyMap()); |
| expectUnchanged(); |
| } |
| |
| @MapFeature.Require(absent = SUPPORTS_PUT) |
| public void testPutAll_unsupportedNothing() { |
| try { |
| getMap().putAll(emptyMap()); |
| } catch (UnsupportedOperationException tolerated) { |
| } |
| expectUnchanged(); |
| } |
| |
| @MapFeature.Require(SUPPORTS_PUT) |
| public void testPutAll_supportedNonePresent() { |
| putAll(createDisjointCollection()); |
| expectAdded(e3(), e4()); |
| } |
| |
| @MapFeature.Require(absent = SUPPORTS_PUT) |
| public void testPutAll_unsupportedNonePresent() { |
| try { |
| putAll(createDisjointCollection()); |
| fail("putAll(nonePresent) should throw"); |
| } catch (UnsupportedOperationException expected) { |
| } |
| expectUnchanged(); |
| expectMissing(e3(), e4()); |
| } |
| |
| @MapFeature.Require(SUPPORTS_PUT) |
| @CollectionSize.Require(absent = ZERO) |
| public void testPutAll_supportedSomePresent() { |
| putAll(MinimalCollection.of(e3(), e0())); |
| expectAdded(e3()); |
| } |
| |
| @MapFeature.Require({FAILS_FAST_ON_CONCURRENT_MODIFICATION, SUPPORTS_PUT}) |
| @CollectionSize.Require(absent = ZERO) |
| public void testPutAllSomePresentConcurrentWithEntrySetIteration() { |
| try { |
| Iterator<Entry<K, V>> iterator = getMap().entrySet().iterator(); |
| putAll(MinimalCollection.of(e3(), e0())); |
| iterator.next(); |
| fail("Expected ConcurrentModificationException"); |
| } catch (ConcurrentModificationException expected) { |
| // success |
| } |
| } |
| |
| @MapFeature.Require(absent = SUPPORTS_PUT) |
| @CollectionSize.Require(absent = ZERO) |
| public void testPutAll_unsupportedSomePresent() { |
| try { |
| putAll(MinimalCollection.of(e3(), e0())); |
| fail("putAll(somePresent) should throw"); |
| } catch (UnsupportedOperationException expected) { |
| } |
| expectUnchanged(); |
| } |
| |
| @MapFeature.Require(absent = SUPPORTS_PUT) |
| @CollectionSize.Require(absent = ZERO) |
| public void testPutAll_unsupportedAllPresent() { |
| try { |
| putAll(MinimalCollection.of(e0())); |
| } catch (UnsupportedOperationException tolerated) { |
| } |
| expectUnchanged(); |
| } |
| |
| @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_KEYS}) |
| public void testPutAll_nullKeySupported() { |
| putAll(containsNullKey); |
| expectAdded(containsNullKey.get(0)); |
| } |
| |
| @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_KEYS) |
| public void testPutAll_nullKeyUnsupported() { |
| try { |
| putAll(containsNullKey); |
| fail("putAll(containsNullKey) should throw"); |
| } catch (NullPointerException expected) { |
| } |
| expectUnchanged(); |
| expectNullKeyMissingWhenNullKeysUnsupported( |
| "Should not contain null key after unsupported putAll(containsNullKey)"); |
| } |
| |
| @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_VALUES}) |
| public void testPutAll_nullValueSupported() { |
| putAll(containsNullValue); |
| expectAdded(containsNullValue.get(0)); |
| } |
| |
| @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_VALUES) |
| public void testPutAll_nullValueUnsupported() { |
| try { |
| putAll(containsNullValue); |
| fail("putAll(containsNullValue) should throw"); |
| } catch (NullPointerException expected) { |
| } |
| expectUnchanged(); |
| expectNullValueMissingWhenNullValuesUnsupported( |
| "Should not contain null value after unsupported putAll(containsNullValue)"); |
| } |
| |
| @MapFeature.Require(SUPPORTS_PUT) |
| public void testPutAll_nullCollectionReference() { |
| try { |
| getMap().putAll(null); |
| fail("putAll(null) should throw NullPointerException"); |
| } catch (NullPointerException expected) { |
| } |
| } |
| |
| private Map<K, V> emptyMap() { |
| return Collections.emptyMap(); |
| } |
| |
| private void putAll(Iterable<Entry<K, V>> entries) { |
| Map<K, V> map = new LinkedHashMap<>(); |
| for (Entry<K, V> entry : entries) { |
| map.put(entry.getKey(), entry.getValue()); |
| } |
| getMap().putAll(map); |
| } |
| |
| /** |
| * Returns the {@link Method} instance for {@link #testPutAll_nullKeyUnsupported()} so that tests |
| * can suppress it with {@code FeatureSpecificTestSuiteBuilder.suppressing()} until <a |
| * href="http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=5045147">Sun bug 5045147</a> is fixed. |
| */ |
| @GwtIncompatible // reflection |
| public static Method getPutAllNullKeyUnsupportedMethod() { |
| return Helpers.getMethod(MapPutAllTester.class, "testPutAll_nullKeyUnsupported"); |
| } |
| } |