public void EvaluateExpressionBody()
{
Function function = new Function(null, new object[] { }, new AddExpression(new VariableExpression(new Variable("X")), new VariableExpression(new Variable("Y"))));
Context context = new Context();
context.SetValue("X", 1);
context.SetValue("Y", 2);
Assert.AreEqual(3, function.Evaluate(context));
}
public void MakeContextAndEvaluateExpressionBody()
{
Function function = new Function(null, new object[] { new Variable("X"), new Variable("Y") }, new AddExpression(new VariableExpression(new Variable("X")), new VariableExpression(new Variable("Y"))));
Context context = function.MakeContext(new object[] { 1, 2 });
Assert.IsNotNull(context);
Assert.AreEqual(1, context.GetValue("X"));
Assert.AreEqual(2, context.GetValue("Y"));
Assert.AreEqual(3, function.Evaluate(context));
}
public void EvaluateConstantBody()
{
Function function = new Function(null, new object[] { }, new ConstantExpression(1));
Assert.AreEqual(1, function.Evaluate(null));
}