/*
* Copyright 2014-present Facebook, Inc.
*
* 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.facebook.buck.testutil;
import static com.facebook.buck.testutil.HasConsecutiveItemsMatcher.hasConsecutiveItems;
import static org.hamcrest.core.IsNot.not;
import static org.junit.Assert.assertThat;
import com.google.common.collect.ImmutableList;
import org.junit.Test;
/** Unit tests for {@link HasConsecutiveItemsMatcher}. */
public class HasConsecutiveItemsMatcherTest {
@Test
public void emptyIncludesEmpty() {
assertThat(ImmutableList.of(), hasConsecutiveItems());
}
@Test
public void nonEmptyIncludesEmpty() {
assertThat(ImmutableList.of("a", "b", "c"), hasConsecutiveItems());
}
@Test
public void includesSingleItem() {
assertThat(ImmutableList.of("a", "b", "c"), hasConsecutiveItems("a"));
assertThat(ImmutableList.of("a", "b", "c"), hasConsecutiveItems("b"));
assertThat(ImmutableList.of("a", "b", "c"), hasConsecutiveItems("c"));
}
@Test
public void includesSublist() {
assertThat(ImmutableList.of("a", "b", "c"), hasConsecutiveItems("b", "c"));
assertThat(ImmutableList.of("a", "b", "c"), hasConsecutiveItems("a", "b"));
}
@Test
public void includesEntireList() {
assertThat(ImmutableList.of("a", "b", "c"), hasConsecutiveItems("a", "b", "c"));
}
@Test
public void doesNotIncludeExtraItem() {
assertThat(ImmutableList.of("a", "b", "fnord", "c"), not(hasConsecutiveItems("a", "b", "c")));
}
@Test
public void doesNotIncludeMissingItem() {
assertThat(ImmutableList.of("a", "b", "c"), not(hasConsecutiveItems("d")));
}
@Test
public void doesNotIncludeListTooLong() {
assertThat(ImmutableList.of("a", "b", "c"), not(hasConsecutiveItems("a", "b", "c", "d")));
}
@Test
public void includesCollection() {
assertThat(ImmutableList.of("a", "b", "c"), hasConsecutiveItems(ImmutableList.of("b", "c")));
}
@Test
public void doesNotIncludeCollectionWithMissingItem() {
assertThat(ImmutableList.of("a", "b", "c"), not(hasConsecutiveItems(ImmutableList.of("d"))));
}
}