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Code Issues Releases Wiki Activity

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This commit is contained in:
Paul Schaub 2021-05-21 16:30:48 +02:00
parent a30767eb91
commit 6cb9091b2a
9 changed files with 614 additions and 337 deletions
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pgpainless-core/src/test/java/org/pgpainless/util/NonEmptyListTest.java Normal file
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/*
* Copyright 2021 Paul Schaub.
*
* 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 org.pgpainless.util;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import org.junit.jupiter.api.Test;
public class NonEmptyListTest {
@Test
public void testEmptyListThrows() {
assertThrows(IllegalArgumentException.class, () -> new NonEmptyList<>(Collections.emptyList()));
}
@Test
public void testSingleElementList() {
List<String> singleElement = Collections.singletonList("Hello");
NonEmptyList<String> nonEmpty = new NonEmptyList<>(singleElement);
assertEquals("Hello", nonEmpty.get());
assertTrue(nonEmpty.getOthers().isEmpty());
assertEquals(1, nonEmpty.getAll().size());
assertTrue(nonEmpty.getAll().contains("Hello"));
}
@Test
public void testSingletonElement() {
assertThrows(IllegalArgumentException.class, () -> new NonEmptyList<>((String) null));
NonEmptyList<String> nonEmpty = new NonEmptyList<>("Foo");
assertEquals("Foo", nonEmpty.get());
assertTrue(nonEmpty.getOthers().isEmpty());
assertEquals(Collections.singletonList("Foo"), nonEmpty.getAll());
}
@Test
public void testMultipleElements() {
List<String> multipleElements = Arrays.asList("Foo", "Bar", "Baz");
NonEmptyList<String> nonEmpty = new NonEmptyList<>(multipleElements);
assertEquals("Foo", nonEmpty.get());
assertEquals(Arrays.asList("Bar", "Baz"), nonEmpty.getOthers());
assertEquals(multipleElements, nonEmpty.getAll());
}
}