public void TestOrExpressionRightFalse()
{
// Create epression with && operator with left as true and right as false
bool leftBool = true;
bool rightBool = false;
Expression leftExpr = new ExpressionValue(leftBool);
Expression rightExpr = new ExpressionValue(rightBool);
ExpressionOr orExpr = new ExpressionOr(leftExpr, rightExpr);
// Left and right operands should be boolean
Assert.AreEqual(leftBool, leftExpr.Evaluate());
Assert.AreEqual(rightBool, rightExpr.Evaluate());
// Result should be false
Assert.AreEqual(leftBool || rightBool, orExpr.Evaluate());
}
public void TestDivisionExpression()
{
// Create expression with + operator
int leftInt = 4;
int rightInt = 2;
Expression leftExpr = new ExpressionValue(leftInt);
Expression rightExpr = new ExpressionValue(rightInt);
ExpressionDiv addExpr = new ExpressionDiv(leftExpr, rightExpr);
// Left and right operands should be integers
Assert.AreEqual(leftInt, leftExpr.Evaluate());
Assert.AreEqual(rightInt, rightExpr.Evaluate());
// Sum should be the sum of the left and right operands
Assert.AreEqual(leftInt / rightInt, addExpr.Evaluate());
}
public void TestAndExpressionBothTrue()
{
// Create epression with && operator with left and right as true
bool leftBool = true;
bool rightBool = true;
Expression leftExpr = new ExpressionValue(leftBool);
Expression rightExpr = new ExpressionValue(rightBool);
ExpressionAnd andExpr = new ExpressionAnd(leftExpr, rightExpr);
// Left and right operands should be boolean
Assert.AreEqual(leftBool, leftExpr.Evaluate());
Assert.AreEqual(rightBool, rightExpr.Evaluate());
// Result should be true
Assert.AreEqual(leftBool && rightBool, andExpr.Evaluate());
}
