/**
  * Tests constructor CutFreeTextAction(freeTextGraphNode, clipboard) if freeTextGraphNode doesn't
  * contain a TextElement object in its contained attribute. IllegalArgumentException is expected.
  */
 public void testCtorIfFreeTextNotContainedTextElementObject() {
   try {
     SimpleSemanticModelElement semanticModelBridge = new SimpleSemanticModelElement();
     semanticModelBridge.setTypeInfo("FreeText");
     freeTextGraphNode.setSemanticModel(semanticModelBridge);
     new CutFreeTextAction(freeTextGraphNode, null);
     fail(
         "IllegalArgumentException is expected because freeTextGraphNode must contain a TextElement "
             + "object in its contained attribute.");
   } catch (IllegalArgumentException e) {
     // success
   }
 }
 /**
  * Tests method copyToClipboard(node, clipboard) if node is null. IllegalArgumentException is
  * expected
  *
  * @throws Exception exception
  */
 public void testCopyToClipboardIfNodeNull() throws Exception {
   SimpleSemanticModelElement semanticModelBridge = new SimpleSemanticModelElement();
   semanticModelBridge.setTypeInfo("FreeText");
   freeTextGraphNode.setSemanticModel(semanticModelBridge);
   freeTextGraphNode.addContained(new TextElement());
   CutFreeTextActionExt cutFreeTextAction = new CutFreeTextActionExt(freeTextGraphNode, null);
   try {
     cutFreeTextAction.copyToClipboard(null, null);
     fail("IllegalArgumentException is expected because node cannot be null.");
   } catch (IllegalArgumentException e) {
     // success
   }
 }
 /**
  * Tests constructor CutFreeTextAction(freeTextGraphNode, clipboard) if freeTextGraphNode contains
  * a semanticModel attribute (SimpleSemanticModelElement object), but its typeInfo attribute is
  * not equal to "FreeText". IllegalArgumentException is expected.
  */
 public void testCtorITypeInfoInvalid() {
   try {
     freeTextGraphNode.addContained(new TextElement());
     SimpleSemanticModelElement semanticModelBridge = new SimpleSemanticModelElement();
     semanticModelBridge.setTypeInfo("invalid_type_info");
     freeTextGraphNode.setSemanticModel(semanticModelBridge);
     new CutFreeTextAction(freeTextGraphNode, null);
     fail(
         "IllegalArgumentException is expected because semanticModel's typeInfo is not equal "
             + "to 'FreeText'.");
   } catch (IllegalArgumentException e) {
     // success
   }
 }