/*
    * Copyright 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.type.OctaveComplex;
  
  import static org.junit.Assert.assertEquals;
  
  import org.junit.Ignore;
  import org.junit.Test;
  
  /**
   * Test read/write of {@link OctaveComplex}
   */
  public class TestIoOctaveComplex {
  
      /** Test */
      @Test public void testGetScalar() {
          final OctaveEngine octave = new OctaveEngineFactory().getScriptEngine();
          octave.eval("y = 1.2 + 3.4i;");
          final OctaveComplex c = octave.get(OctaveComplex.class, "y");
          assertEquals(1.2, c.getReal(1, 1), 1e-10);
          assertEquals(3.4, c.getImag(1, 1), 1e-10);
          octave.close();
      }
  
      /** Test */
      @Test public void testGet2dMatrix() {
          final OctaveEngine octave = new OctaveEngineFactory().getScriptEngine();
          octave.eval("y = [ 1.1 1.1i ; 2.2 2.2i ];");
          final OctaveComplex c = octave.get(OctaveComplex.class, "y");
          assertEquals(1.1, c.getReal(1, 1), 1e-10);
          assertEquals(0.0, c.getImag(1, 1), 1e-10);
          assertEquals(0.0, c.getReal(1, 2), 1e-10);
          assertEquals(1.1, c.getImag(1, 2), 1e-10);
          assertEquals(2.2, c.getReal(2, 1), 1e-10);
          assertEquals(0.0, c.getImag(2, 1), 1e-10);
          assertEquals(0.0, c.getReal(2, 2), 1e-10);
          assertEquals(2.2, c.getImag(2, 2), 1e-10);
          octave.close();
      }
  
      /** Test that a real number also works in the complex code */
      @Test public void testGetReal() {
          final OctaveEngine octave = new OctaveEngineFactory().getScriptEngine();
          octave.eval("y = 1.2;");
          final OctaveComplex c = octave.get(OctaveComplex.class, "y");
          assertEquals(1.2, c.getReal(1, 1), 1e-10);
          assertEquals(0, c.getImag(1, 1), 1e-10);
          octave.close();
      }
  
  }