public void TestComplexExpression()
{
IMathExpressionSolver solver = ExpressionSolverFactory.GetSolver(Solver.CSharpMathSolver);
string expression = "2+1*3/2+12";
double result = solver.Solve(expression);
Assert.AreEqual(15.5d, result);
}
public void TestDivision()
{
IMathExpressionSolver solver = ExpressionSolverFactory.GetSolver(Solver.CSharpMathSolver);
string expression = "25/2";
double result = solver.Solve(expression);
Assert.AreEqual(12.5d, result);
}
public void TestMultiplication()
{
IMathExpressionSolver solver = ExpressionSolverFactory.GetSolver(Solver.CSharpMathSolver);
string expression = "20*5";
double result = solver.Solve(expression);
Assert.AreEqual(100d, result);
}
public void TestSubtraction()
{
IMathExpressionSolver solver = ExpressionSolverFactory.GetSolver(Solver.CSharpMathSolver);
string expression = "10-1";
double result = solver.Solve(expression);
Assert.AreEqual(9d, result);
}
public void TestException()
{
IMathExpressionSolver solver = ExpressionSolverFactory.GetSolver(Solver.CSharpMathSolver);
string expression = "assadsad";
Assert.ThrowsException <ArgumentException>(() =>
{
double result = solver.Solve(expression);
});
}
private static IMathExpressionSolver GetEngine(int option)
{
switch (option)
{
case 2:
return(ExpressionSolverFactory.GetSolver(Solver.CSharpMathSolver));
default:
return(ExpressionSolverFactory.GetSolver(Solver.ExpressionMathSolver));
}
}
public void TestExpressionMathSolverCreation()
{
IMathExpressionSolver solver = ExpressionSolverFactory.GetSolver(Solver.ExpressionMathSolver);
Assert.IsInstanceOfType(solver, typeof(ExpressionMathSolver));
}