/*
    * 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.exception.OctaveParseException;
  import eu.simuline.octave.exception.OctaveRecoverableException;
  import eu.simuline.octave.type.OctaveString;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  import static org.junit.Assert.fail;
  
  import org.junit.Ignore;
  import org.junit.Test;
  
  /**
   * Test reading of sq_string (can not be written)
   */
  public class TestIoOctaveSqString {
  
      /**
       * Test that string read from octave is what we expect
       */
      @Test public void testOctaveRead() {
          final OctaveEngine octave = new OctaveEngineFactory().getScriptEngine();
          read(octave, "sample text", "sample text");
          read(octave, "", "");
          try { // not implemented yet, but does not break the engine
              read(octave, "a\\nb", "a\nb");
              fail();
          } catch (final OctaveParseException e) {
              assertEquals("Handling of escape char (\\) not done, line='a\\nb'",
  			 e.getMessage());
              assertTrue(OctaveRecoverableException.class.isInstance(e));
          }
          // read(octave, "a\\tb", "a\tb"); same as \n example
          octave.close();
      }
  
      private static void read(final OctaveEngine octave, 
  			     final String input, 
  			     final String expected) {
          final String key = "octave_string";
          octave.eval(key + " = '" + input + "';");
          final OctaveString output = octave.get(OctaveString.class, key);
          assertEquals(expected, output.getString());
      }
  
  }