public void TestVisit()
{
// test without aggregation nodes
ExprNodeIdentifierVisitor visitor = new ExprNodeIdentifierVisitor(false);
exprNode.Accept(visitor);
Assert.AreEqual(2, visitor.ExprProperties.Count);
Assert.AreEqual(0, (Object)visitor.ExprProperties[0].First);
Assert.AreEqual("IntBoxed", (Object)visitor.ExprProperties[0].Second);
Assert.AreEqual(0, (Object)visitor.ExprProperties[1].First);
Assert.AreEqual("IntPrimitive", (Object)visitor.ExprProperties[1].Second);
// test with aggregation nodes, such as "IntBoxed * sum(IntPrimitive)"
exprNode = SupportExprNodeFactory.MakeSumAndFactorNode();
visitor = new ExprNodeIdentifierVisitor(true);
exprNode.Accept(visitor);
Assert.AreEqual(2, visitor.ExprProperties.Count);
Assert.AreEqual("IntBoxed", (Object)visitor.ExprProperties[0].Second);
Assert.AreEqual("IntPrimitive", (Object)visitor.ExprProperties[1].Second);
visitor = new ExprNodeIdentifierVisitor(false);
exprNode.Accept(visitor);
Assert.AreEqual(1, visitor.ExprProperties.Count);
Assert.AreEqual("IntBoxed", (Object)visitor.ExprProperties[0].Second);
}
