bundles/org.simantics.databoard/testcases/org/simantics/databoard/tests/TestVariant.java

   1 /*******************************************************************************
   2  *  Copyright (c) 2010 Association for Decentralized Information Management in
   3  *  Industry THTH ry.
   4  *  All rights reserved. This program and the accompanying materials
   5  *  are made available under the terms of the Eclipse Public License v1.0
   6  *  which accompanies this distribution, and is available at
   7  *  http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  *  Contributors:
  10  *      VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.databoard.tests;
  13
  14 import java.awt.geom.Rectangle2D;
  15 import java.io.File;
  16 import java.io.IOException;
  17 import java.util.List;
  18
  19 import junit.framework.TestCase;
  20
  21 import org.simantics.databoard.Bindings;
  22 import org.simantics.databoard.binding.ArrayBinding;
  23 import org.simantics.databoard.binding.IntegerBinding;
  24 import org.simantics.databoard.binding.RecordBinding;
  25 import org.simantics.databoard.binding.StringBinding;
  26 import org.simantics.databoard.binding.VariantBinding;
  27 import org.simantics.databoard.binding.error.BindingConstructionException;
  28 import org.simantics.databoard.binding.error.BindingException;
  29 import org.simantics.databoard.binding.impl.ObjectVariantBinding;
  30 import org.simantics.databoard.file.FileList;
  31 import org.simantics.databoard.parser.repository.DataTypeSyntaxError;
  32 import org.simantics.databoard.primitives.MutableString;
  33 import org.simantics.databoard.serialization.SerializationException;
  34 import org.simantics.databoard.serialization.SerializerConstructionException;
  35 import org.simantics.databoard.type.ArrayType;
  36 import org.simantics.databoard.type.IntegerType;
  37 import org.simantics.databoard.type.RecordType;
  38 import org.simantics.databoard.type.StringType;
  39
  40 public class TestVariant extends TestCase {
  41
  42         VariantBinding binding;
  43
  44         public void setUp() throws Exception {
  45                 ObjectVariantBinding b = (ObjectVariantBinding) Bindings.OBJECT;
  46
  47                 binding = b;
  48         }
  49
  50         // Test Reflection Variant (Object.class)
  51         public void testObject() throws Exception {
  52                 assertTrue( binding.isInstance("Y") );
  53
  54                 Object o1 = binding.create(Bindings.getBinding(String.class), "X");
  55                 assertTrue( binding.getContentType(o1) instanceof StringType );
  56                 assertTrue( binding.getContentBinding(o1) instanceof StringBinding );
  57
  58                 Object o2 = binding.create(Bindings.getBinding(Integer.class), 5);
  59                 assertTrue( binding.getContentType(o2) instanceof IntegerType );
  60                 assertTrue( binding.getContentBinding(o2) instanceof IntegerBinding );
  61
  62                 Object o3 = binding.create( Bindings.getBinding(int[].class), new int[] {1,2,3,4});
  63                 assertTrue( binding.getContentType(o3) instanceof ArrayType );
  64                 assertTrue( binding.getContentBinding(o3) instanceof ArrayBinding );
  65
  66                 Object o4 = binding.create( Bindings.getBinding(Rectangle2D.Double.class), new Rectangle2D.Double(0,0,100,10) );
  67                 assertTrue( binding.getContentType(o4) instanceof RecordType );
  68                 assertTrue( binding.getContentBinding(o4) instanceof RecordBinding );
  69         }
  70
  71         // Test Binding
  72         // Test Binary serialization
  73         public void testSerialization() throws IOException, SerializerConstructionException, SerializationException, BindingConstructionException {
  74                 File f = File.createTempFile("test", ".tmp");
  75                 FileList<Object> list = new FileList<Object>(f, binding);
  76                 list.add("XYZ");
  77                 list.add(5);
  78                 list.add(0.2342);
  79                 list.close();
  80
  81                 // List
  82                 List<Object> list2 = new FileList<Object>(f, Bindings.getBinding(Object.class));
  83                 assertEquals( new MutableString("XYZ"), list2.get(0));
  84                 assertEquals(5, list2.get(1));
  85                 assertEquals(0.2342, list2.get(2));
  86         }
  87
  88         // Test ascii print
  89         // Test ascii parse
  90         public void testAscii() throws IOException, BindingException, DataTypeSyntaxError, BindingConstructionException
  91         {
  92                 Object o1 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
  93                 Object o2 = 1234567890;
  94                 Object o3 = new Rectangle2D.Double(50, 50, 100, 100);
  95                 String s1 = binding.printValueDefinition(o1, true);
  96                 String s2 = binding.printValueDefinition(o2, true);
  97                 String s3 = binding.printValueDefinition(o3, true);
  98                 System.out.println(s1);
  99                 System.out.println(s2);
 100                 System.out.println(s3);
 101                 Object u1 = Bindings.getInstanceBinding(o1).parseValueDefinition(s1);
 102                 Object u2 = Bindings.getInstanceBinding(o2).parseValueDefinition(s2);
 103                 Object u3 = Bindings.getInstanceBinding(o3).parseValueDefinition(s3);
 104                 assertEquals(o1, u1);
 105                 assertEquals(o2, u2);
 106                 assertEquals(o3, u3);
 107         }
 108
 109 }