/*
    * Copyright 2007, 2008, 2009 Ange Optimization ApS
    *
    * 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 eu.simuline.octave.io.impl;
  
  import eu.simuline.octave.OctaveEngine;
  import eu.simuline.octave.OctaveEngineFactory;
  import eu.simuline.octave.io.OctaveIO;
  import eu.simuline.octave.type.OctaveFunctionHandle;
  import eu.simuline.octave.type.OctaveObject;
  
  import static org.junit.Assert.assertEquals;
  
  import org.junit.Ignore;
  import org.junit.Test;
  
  
  /**
   * Test read/write of {@link OctaveFunctionHandle}
   */
  public class TestIoFunctionHandle {
  
      /** Test */
      @Test public void testToString() {
          final OctaveObject fh = 
  	    new OctaveFunctionHandle("@(x) sqrt (1 - x ^ 2)");
          assertEquals("# name: ans\n" + //
  		     "# type: function handle\n" + //
  		     "@<anonymous>\n" + //
  		     "@(x) sqrt (1 - x ^ 2)\n" + //
  		     "# length: 0\n", 
  		     OctaveIO.toText(fh));
      }
  
      /** Test */
      @Test public void testToOctave() {
          final OctaveObject fh = 
  	    new OctaveFunctionHandle("@(x) sqrt (1 - x ^ 2)");
          assertEquals("# name: fh\n" + //
  		     "# type: function handle\n" + //
  		     "@<anonymous>\n" + //
  		     "@(x) sqrt (1 - x ^ 2)\n" + //
  		     "# length: 0\n", 
  		     OctaveIO.toText("fh", fh));
      }
  
      /** Test */
      @Test public void testOctaveConnection() {
          final OctaveEngine octave = new OctaveEngineFactory().getScriptEngine();
          if (octave.getVersion().equals("3.0.5")) {
              octave.close();
              return; // Skip test on octave 3.0.5
          }
          final OctaveObject fh1 = 
  	    new OctaveFunctionHandle("@(x) sqrt (1 - x ^ 2)");
          octave.put("fh", fh1);
          // TODO enable when reading of OctaveFunctionHandle is done
          // final OctaveObject fh2 = octave.get(OctaveString.class, "fh");
          // assertEquals(s1, s2);
          octave.close();
      }
  
  }