Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.databoard / testcases / org / simantics / databoard / tests / TestClone.java

diff --git a/bundles/org.simantics.databoard/testcases/org/simantics/databoard/tests/TestClone.java b/bundles/org.simantics.databoard/testcases/org/simantics/databoard/tests/TestClone.java
new file mode 100644 (file)
index 0000000..7ffb28b
--- /dev/null
+++ b/bundles/org.simantics.databoard/testcases/org/simantics/databoard/tests/TestClone.java
@@ -0,0 +1,127 @@
+/*******************************************************************************\r
+ *  Copyright (c) 2010 Association for Decentralized Information Management in\r
+ *  Industry THTH ry.\r
+ *  All rights reserved. This program and the accompanying materials\r
+ *  are made available under the terms of the Eclipse Public License v1.0\r
+ *  which accompanies this distribution, and is available at\r
+ *  http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ *  Contributors:\r
+ *      VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.databoard.tests;
+
+import static org.junit.Assert.assertEquals;\r
+import static org.junit.Assert.assertTrue;\r
+\r
+import java.util.Random;\r
+\r
+import org.junit.Test;\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.databoard.binding.ArrayBinding;\r
+import org.simantics.databoard.binding.Binding;\r
+import org.simantics.databoard.binding.MapBinding;\r
+import org.simantics.databoard.binding.OptionalBinding;\r
+import org.simantics.databoard.binding.RecordBinding;\r
+import org.simantics.databoard.binding.UnionBinding;\r
+import org.simantics.databoard.binding.VariantBinding;\r
+import org.simantics.databoard.binding.util.RandomValue;\r
+import org.simantics.databoard.type.Datatype;\r
+
+/**
+ * Test Clone is a test case that asserts that {@link Bindings#clone(Object, Binding, Binding)}
+ * returns two separate instances.
+ * 
+ * Also tests that adapt of same binding returns the same instance. 
+ *
+ * @author Toni Kalajainen <toni.kalajainen@vtt.fi>
+ */
+public class TestClone {
+       
+       public @Test void testGenericBinding() throws Exception {               
+               RandomValue rv = new RandomValue();
+               rv.refereableRecords = true;
+               for (int i=0; i<10000; i++) {
+                       rv.random = new Random(i);
+                       rv.random.nextLong();
+                       Datatype type = rv.randomType(0, 3);
+                       Binding binding = Bindings.getMutableBinding(type);
+                       Object o1 = binding.accept(rv);
+                       Object o2 = binding.clone(o1);
+                       System.out.println(i+": "+type);
+                       if (binding.equals(o1, o2)) continue;
+                       assertNotSameInstance(binding, o1, o2);
+                       
+                       Object o3 = Bindings.adapt(o1, binding, binding);
+                       assertTrue( o3 == o1 );
+               }               
+       }
+       
+       public void assertNotSameInstance(Binding b, Object o1, Object o2) throws Exception {
+               assertTrue(b.isImmutable() || o1 != o2);
+               
+               if (b instanceof RecordBinding) assertNotSameRecord((RecordBinding) b, o1, o2);
+               if (b instanceof UnionBinding) assertNotSameUnion((UnionBinding) b, o1, o2);
+               if (b instanceof ArrayBinding) assertNotSameArray((ArrayBinding) b, o1, o2);
+               if (b instanceof MapBinding) assertNotSameMap((MapBinding) b, o1, o2);
+               if (b instanceof OptionalBinding) assertNotSameOptional((OptionalBinding) b, o1, o2);
+               if (b instanceof VariantBinding) assertNotSameVariant((VariantBinding) b, o1, o2);
+       }
+       
+       public void assertNotSameArray(ArrayBinding b, Object o1, Object o2) throws Exception {
+               int count = b.size(o1);
+               Binding cb = b.getComponentBinding();
+               for (int i=0; i<count; i++) {
+                       Object v1 = b.get(o1, i);
+                       Object v2 = b.get(o2, i);
+                       assertNotSameInstance(cb, v1, v2);
+               }
+       }
+
+       public void assertNotSameMap(MapBinding b, Object o1, Object o2) throws Exception {
+               int count = b.size(o1);
+               Binding vb = b.getValueBinding();
+               Object values1[] = b.getValues(o1);  
+               Object values2[] = b.getValues(o2);  
+               for (int i=0; i<count; i++) {
+                       Object v1 = values1[i];
+                       Object v2 = values2[i];
+                       assertNotSameInstance(vb, v1, v2);
+               }               
+       }
+
+       public void assertNotSameOptional(OptionalBinding b, Object o1, Object o2) throws Exception {
+               Binding cb = b.getComponentBinding();
+               Object v1 = b.getValue(o1);
+               Object v2 = b.getValue(o2);
+               assertNotSameInstance(cb, v1, v2);
+       }
+
+       public void assertNotSameVariant(VariantBinding b, Object o1, Object o2) throws Exception {
+               Binding cb = b.getContentBinding(o1);
+               Object v1 = b.getContent(o1);
+               Object v2 = b.getContent(o2);
+               assertNotSameInstance(cb, v1, v2);              
+       }
+
+       public void assertNotSameRecord(RecordBinding b, Object o1, Object o2) throws Exception {
+               int count = b.getComponentCount();
+               for (int i=0; i<count; i++) {
+                       Binding cb = b.getComponentBinding(i);
+                       Object v1 = b.getComponent(o1, i);
+                       Object v2 = b.getComponent(o2, i);
+                       assertNotSameInstance(cb, v1, v2);
+               }       
+       }
+
+       public void assertNotSameUnion(UnionBinding b, Object o1, Object o2) throws Exception {
+               int tag = b.getTag(o1);
+               assertEquals(tag, b.getTag(o2));
+               Binding cb = b.getComponentBinding(tag);
+               Object v1 = b.getValue(o1);
+               Object v2 = b.getValue(o2);             
+               assertNotSameInstance(cb, v1, v2);
+       }
+
+}
+