// Copyright (C) 2011 Philip Aston
   // All rights reserved.
   //
   // This file is part of The Grinder software distribution. Refer to
   // the file LICENSE which is part of The Grinder distribution for
   // licensing details. The Grinder distribution is available on the
   // Internet at http://grinder.sourceforge.net/
   //
   // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  // COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  // HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  // OF THE POSSIBILITY OF SUCH DAMAGE.
  
  package net.grinder.scriptengine.java;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNull;
  
  import java.io.File;
  import java.util.List;
  
  import net.grinder.engine.common.ScriptLocation;
  import net.grinder.engine.process.dcr.DCRContextImplementation;
  import net.grinder.scriptengine.DCRContext;
  import net.grinder.scriptengine.Instrumenter;
  import net.grinder.scriptengine.java.JavaScriptEngineService;
  
  import org.junit.Test;
  
  
  /**
   * Unit tests for {@link JavaScriptEngineService}.
   *
   * @author Philip Aston
   */
  public class TestJavaScriptEngineService {
  
    @Test public void testCreateInstrumenter()
      throws Exception {
  
      final DCRContext context = DCRContextImplementation.create(null);
  
      final List<? extends Instrumenter> instrumenters =
        new JavaScriptEngineService(context).createInstrumenters();
  
      assertEquals(1, instrumenters.size());
      assertEquals("byte code transforming instrumenter for Java",
                   instrumenters.get(0).getDescription());
    }
  
    @Test public void testCreateInstrumenterWithNoInstrumentation()
      throws Exception {
  
      final List<? extends Instrumenter> instrumenters =
        new JavaScriptEngineService().createInstrumenters();
  
      assertEquals(0, instrumenters.size());
    }
  
    @Test public void testGetScriptEngine() throws Exception {
      final ScriptLocation script = new ScriptLocation(new File("foo.java"));
  
      assertNull(new JavaScriptEngineService(null).createScriptEngine(script));
    }
  }