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1   /**
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements. See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership. The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  package org.apache.commons.rdf.simple;
20  
21  import static org.junit.Assert.fail;
22  
23  import java.util.ServiceLoader;
24  
25  import org.apache.commons.rdf.api.RDF;
26  import org.junit.Test;
27  
28  public class SimpleServiceLoaderTest {
29  
30      @Test
31      public void testServiceLoaderLookup() {
32          final ServiceLoader<RDF> loader = ServiceLoader.load(RDF.class);
33          for (final RDF impl : loader) {
34              if (impl instanceof SimpleRDF) {
35                  return; // yay
36              }
37          }
38          fail("SimpleRDF not found in ServiceLoader");
39      }
40  }