public void TestWhileStatement()
{
ExecutionEnvironment e = new ExecutionEnvironment();
e.RegisterValue("a", true);
e.RegisterValue("b", true);
e.RegisterValue("c", 5);
e.RegisterValue("d", 6);
WhileStatement s = new WhileStatement();
s.Test = new BinaryExpression()
{
Left = new Identifier()
{
Variable = "a"
}, Right = new Identifier()
{
Variable = "b"
}, Operator = Operator.And
};
s.Body = new BlockStatement();
s.Body.Body.Add(new ExpressionStatement()
{
Expression = new AssignmentExpression()
{
Left = new Identifier()
{
Variable = "c"
}, Right = new BinaryExpression()
{
Left = new Identifier()
{
Variable = "c"
}, Operator = Operator.Add, Right = new Literal()
{
Raw = "2"
}
}
}
});
s.Body.Body.Add(new ExpressionStatement()
{
Expression = new AssignmentExpression()
{
Left = new Identifier()
{
Variable = "a"
}, Right = new Literal()
{
Raw = "false"
}
}
});
var c = s.Execute(e);
Assert.AreEqual(e.GetValue("c"), 7);
}