public void CheckType()
{
VarNode varn = new VarNode("foo", TypeInfo.Int, null);
IContext context = new Context();
varn.RegisterInContext(context);
NameNode target = new NameNode("foo");
ConstantNode expr = new ConstantNode(42);
AssignmentNode node = new AssignmentNode(target, expr);
node.CheckType(context);
Assert.AreSame(TypeInfo.Int, target.TypeInfo);
}
public void RaiseIfTypeMismatch()
{
IContext context = new Context();
NameNode target = new NameNode("foo");
target.SetTypeInfo(TypeInfo.Double);
target.RegisterInContext(context);
ConstantNode expr = new ConstantNode(42);
AssignmentNode node = new AssignmentNode(target, expr);
try
{
node.CheckType(context);
Assert.Fail();
}
catch (Exception ex)
{
Assert.AreEqual("type mismatch", ex.Message);
}
}