/* * Copyright (c) 2002-2017 "Neo Technology," * Network Engine for Objects in Lund AB [http://neotechnology.com] * * This file is part of Neo4j. * * 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.neo4j.driver.internal.value; import org.junit.Test; import org.neo4j.driver.internal.types.TypeConstructor; import static org.hamcrest.MatcherAssert.assertThat; import static org.hamcrest.Matchers.equalTo; import static org.junit.Assert.assertTrue; public class NullValueTest { @Test public void shouldEqualItself() { assertThat( NullValue.NULL, equalTo( NullValue.NULL ) ); } @Test public void shouldBeNull() { assertTrue( NullValue.NULL.isNull() ); } @Test public void shouldTypeAsNull() { assertThat( ( (InternalValue) NullValue.NULL ).typeConstructor(), equalTo( TypeConstructor.NULL_TyCon ) ); } }