| /* |
| * Copyright (C) 2008 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 com.google.common.annotations.GwtCompatible; |
| import com.google.common.collect.testing.AbstractCollectionTester; |
| import com.google.common.collect.testing.Helpers; |
| import java.util.Collection; |
| import java.util.List; |
| import org.junit.Ignore; |
| |
| /** |
| * Base class for list testers. |
| * |
| * @author George van den Driessche |
| */ |
| @GwtCompatible |
| @Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests. |
| public class AbstractListTester<E> extends AbstractCollectionTester<E> { |
| /* |
| * Previously we had a field named list that was initialized to the value of |
| * collection in setUp(), but that caused problems when a tester changed the |
| * value of list or collection but not both. |
| */ |
| protected final List<E> getList() { |
| return (List<E>) collection; |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * <p>The {@code AbstractListTester} implementation overrides {@link |
| * AbstractCollectionTester#expectContents(Collection)} to verify that the order of the elements |
| * in the list under test matches what is expected. |
| */ |
| @Override |
| protected void expectContents(Collection<E> expectedCollection) { |
| List<E> expectedList = Helpers.copyToList(expectedCollection); |
| // Avoid expectEquals() here to delay reason manufacture until necessary. |
| if (getList().size() != expectedList.size()) { |
| fail("size mismatch: " + reportContext(expectedList)); |
| } |
| for (int i = 0; i < expectedList.size(); i++) { |
| E expected = expectedList.get(i); |
| E actual = getList().get(i); |
| if (expected != actual && (expected == null || !expected.equals(actual))) { |
| fail("mismatch at index " + i + ": " + reportContext(expectedList)); |
| } |
| } |
| } |
| |
| /** |
| * Used to delay string formatting until actually required, as it otherwise shows up in the test |
| * execution profile when running an extremely large numbers of tests. |
| */ |
| private String reportContext(List<E> expected) { |
| return Platform.format( |
| "expected collection %s; actual collection %s", expected, this.collection); |
| } |
| } |