| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.tinkerpop.gremlin.util.function; |
| |
| import org.apache.tinkerpop.gremlin.process.traversal.traverser.util.TraverserSet; |
| import org.junit.Test; |
| |
| import static org.hamcrest.CoreMatchers.instanceOf; |
| import static org.hamcrest.CoreMatchers.not; |
| import static org.hamcrest.CoreMatchers.sameInstance; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.Matchers.hasSize; |
| |
| /** |
| * @author Norio Akagi |
| */ |
| public class TraverserSetSupplierTest { |
| @Test |
| public void shouldSupplyTraverserSet() { |
| assertThat(TraverserSetSupplier.instance().get(), hasSize(0)); |
| } |
| |
| @Test |
| public void shouldSupplyTraverserSetInstance() { |
| assertThat(TraverserSetSupplier.instance().get(), hasSize(0)); |
| assertThat(TraverserSetSupplier.instance().get(), instanceOf(TraverserSet.class)); |
| } |
| |
| @Test |
| public void shouldSupplyNewTraverserSetOnEachInvocation() { |
| final TraverserSet<Object> ts1 = TraverserSetSupplier.instance().get(); |
| final TraverserSet<Object> ts2 = TraverserSetSupplier.instance().get(); |
| final TraverserSet<Object> ts3 = TraverserSetSupplier.instance().get(); |
| |
| assertThat(ts1, not(sameInstance(ts2))); |
| assertThat(ts1, not(sameInstance(ts3))); |
| assertThat(ts2, not(sameInstance(ts3))); |
| } |
| } |