| /* |
| * Copyright (C) 2013 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.CollectionFeature.SUPPORTS_ADD; |
| |
| import com.google.common.annotations.GwtCompatible; |
| import com.google.common.collect.testing.features.CollectionFeature; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import org.junit.Ignore; |
| |
| /** |
| * Tests for {@code Multiset.add}. |
| * |
| * @author Jared Levy |
| */ |
| @GwtCompatible |
| @Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests. |
| public class MultisetAddTester<E> extends AbstractMultisetTester<E> { |
| @CollectionFeature.Require(absent = SUPPORTS_ADD) |
| public void testAddUnsupported() { |
| try { |
| getMultiset().add(e0()); |
| fail("Expected UnsupportedOperationException"); |
| } catch (UnsupportedOperationException expected) { |
| } |
| } |
| |
| @CollectionFeature.Require(SUPPORTS_ADD) |
| public void testAddMeansAddOne() { |
| int originalCount = getMultiset().count(e0()); |
| assertTrue(getMultiset().add(e0())); |
| assertEquals(originalCount + 1, getMultiset().count(e0())); |
| } |
| |
| @CollectionFeature.Require(SUPPORTS_ADD) |
| public void testAddOccurrencesZero() { |
| int originalCount = getMultiset().count(e0()); |
| assertEquals("old count", originalCount, getMultiset().add(e0(), 0)); |
| expectUnchanged(); |
| } |
| |
| @CollectionFeature.Require(SUPPORTS_ADD) |
| public void testAddOccurrences() { |
| int originalCount = getMultiset().count(e0()); |
| assertEquals("old count", originalCount, getMultiset().add(e0(), 2)); |
| assertEquals("old count", originalCount + 2, getMultiset().count(e0())); |
| } |
| |
| @CollectionFeature.Require(SUPPORTS_ADD) |
| public void testAddSeveralTimes() { |
| int originalCount = getMultiset().count(e0()); |
| assertEquals(originalCount, getMultiset().add(e0(), 2)); |
| assertTrue(getMultiset().add(e0())); |
| assertEquals(originalCount + 3, getMultiset().add(e0(), 1)); |
| assertEquals(originalCount + 4, getMultiset().count(e0())); |
| } |
| |
| @CollectionFeature.Require(absent = SUPPORTS_ADD) |
| public void testAddOccurrences_unsupported() { |
| try { |
| getMultiset().add(e0(), 2); |
| fail("unsupported multiset.add(E, int) didn't throw exception"); |
| } catch (UnsupportedOperationException required) { |
| } |
| } |
| |
| @CollectionFeature.Require(SUPPORTS_ADD) |
| public void testAddOccurrencesNegative() { |
| try { |
| getMultiset().add(e0(), -1); |
| fail("multiset.add(E, -1) didn't throw an exception"); |
| } catch (IllegalArgumentException required) { |
| } |
| } |
| |
| @CollectionFeature.Require(SUPPORTS_ADD) |
| public void testAddTooMany() { |
| getMultiset().add(e3(), Integer.MAX_VALUE); |
| try { |
| getMultiset().add(e3()); |
| fail(); |
| } catch (IllegalArgumentException expected) { |
| } |
| assertEquals(Integer.MAX_VALUE, getMultiset().count(e3())); |
| assertEquals(Integer.MAX_VALUE, getMultiset().size()); |
| } |
| |
| @CollectionFeature.Require(SUPPORTS_ADD) |
| public void testAddAll_emptySet() { |
| assertFalse(getMultiset().addAll(Collections.<E>emptySet())); |
| expectUnchanged(); |
| } |
| |
| @CollectionFeature.Require(SUPPORTS_ADD) |
| public void testAddAll_emptyMultiset() { |
| assertFalse(getMultiset().addAll(getSubjectGenerator().create())); |
| expectUnchanged(); |
| } |
| |
| @CollectionFeature.Require(SUPPORTS_ADD) |
| public void testAddAll_nonEmptyList() { |
| assertTrue(getMultiset().addAll(Arrays.asList(e3(), e4(), e3()))); |
| expectAdded(e3(), e4(), e3()); |
| } |
| |
| @CollectionFeature.Require(SUPPORTS_ADD) |
| public void testAddAll_nonEmptyMultiset() { |
| assertTrue(getMultiset().addAll(getSubjectGenerator().create(e3(), e4(), e3()))); |
| expectAdded(e3(), e4(), e3()); |
| } |
| } |