public void VarTest1()
{
VariableExpression vari = new VariableExpression();
vari.Name = "ACC";
BinaryExpression exp = new BinaryExpression();
exp.Operator = BinaryExpression.OperatorEnum.Sub;
ConstExpression cos = new ConstExpression();
cos.SetValue(15);
ConstExpression cos2 = new ConstExpression();
cos2.SetValue(20);
exp.LeftOperand = vari;
exp.RightOperand = cos;
SetVarBlock blk = new SetVarBlock();
blk.ValueExp = cos2;
blk.VarName = "ACC";
blk.Execute();
Assert.AreEqual(5, exp.Value);
}
public void WhileTest1()
{
BinaryExpression eq = new BinaryExpression();
BinaryExpression sumadder = new BinaryExpression();
BinaryExpression oneadder = new BinaryExpression();
ConstExpression zero = new ConstExpression();
ConstExpression one = new ConstExpression();
ConstExpression six = new ConstExpression();
VariableExpression vari = new VariableExpression();
VariableExpression sum = new VariableExpression();
zero.SetValue(0);
one.SetValue(1);
six.SetValue(6);
vari.Name = "VAR";
sum.Name = "SUM";
sumadder.Operator = BinaryExpression.OperatorEnum.Add;
sumadder.LeftOperand = vari;
sumadder.RightOperand = sum;
oneadder.Operator = BinaryExpression.OperatorEnum.Add;
oneadder.LeftOperand = vari;
oneadder.RightOperand = one;
eq.Operator = BinaryExpression.OperatorEnum.Sml;
eq.LeftOperand = vari;
eq.RightOperand = six;
SetVarBlock initblk = new SetVarBlock();
SetVarBlock initblk2 = new SetVarBlock();
WhileBlock wblk = new WhileBlock();
SetVarBlock addblk = new SetVarBlock();
SetVarBlock sumaddblk = new SetVarBlock();
initblk.VarName = "SUM";
initblk.ValueExp = zero;
initblk2.VarName = "VAR";
initblk2.ValueExp = zero;
wblk.Condition = eq;
addblk.VarName = "VAR";
addblk.ValueExp = oneadder;
sumaddblk.VarName = "SUM";
sumaddblk.ValueExp = sumadder;
initblk.NextBlock = initblk2;
initblk2.NextBlock = wblk;
wblk.InnerBlock = addblk;
addblk.NextBlock = sumaddblk;
initblk.Execute();
Assert.AreEqual(vari.Value, 6);
}
public void IfTest1()
{
VariableExpression vaexp = new VariableExpression();
vaexp.Name = "VAR1";
ConstExpression cst = new ConstExpression();
cst.SetValue(true);
ConstExpression cst2 = new ConstExpression();
cst2.SetValue(10);
ConstExpression cst3 = new ConstExpression();
cst3.SetValue(5);
IfBlock ifblk = new IfBlock();
SetVarBlock setvar1 = new SetVarBlock();
SetVarBlock setvar2 = new SetVarBlock();
setvar1.VarName = "VAR1";
setvar1.ValueExp = cst2;
setvar1.NextBlock = ifblk;
ifblk.Condition = cst;
ifblk.InnerBlock = setvar2;
setvar2.VarName = "VAR1";
setvar2.ValueExp = cst3;
setvar1.Execute();
Assert.AreEqual(vaexp.Value, 5);
cst.SetValue(false);
setvar1.Execute();
Assert.AreEqual(vaexp.Value, 10);
}