/// <summary>
/// <para>
/// To determine the sequence of actions: execution priority is medium
/// </para>
/// <para>
/// Medium priority operations: multiplication, division, moduloDivision
/// </para>
/// </summary>
private UniversalOperation ParsingAnExpression_MediumPriority()
{
UniversalOperation result = ParsingAnExpression_HighPriority();
while (true)
{
//You can use this for multiplicatio, division, moduloDivision
if (MatchSearch('×') || MatchSearch('*'))
{
result = new Multiply(result, ParsingAnExpression_HighPriority());
}
else if (MatchSearch('%'))
{
result = new ModuleDivision(result, ParsingAnExpression_HighPriority());
}
else if (MatchSearch('÷'))
{
result = new Division(result, ParsingAnExpression_HighPriority());
}
/*else if(MatchSearch('¹'))
* {
* result = new PartOfTheWhole(result, ParsingAnExpression_HighPriority());
* }*/
else
{
return(result);
}
}
}
public void ModuloDivisionNegativeIntegerNumberOnZeroOne()
{
Number leftArg = new Number(-50m);
Number rightArg = new Number(0m);
ModuleDivision mod = new ModuleDivision(leftArg, rightArg);
Assert.ThrowsException <DivideByZeroException>(() => mod.Operation());
}
public void ModuloDivisionPositiveRealNumberOnZeroOne()
{
Number leftArg = new Number(100.1m);
Number rightArg = new Number(0m);
ModuleDivision mod = new ModuleDivision(leftArg, rightArg);
Assert.ThrowsException <DivideByZeroException>(() => mod.Operation());
}
public void ModuloDivisionZeroNumberOnPositiveRealOne()
{
Number leftArg = new Number(0m);
Number rightArg = new Number(7.4m);
decimal expected = 0m;
ModuleDivision div = new ModuleDivision(leftArg, rightArg);
decimal actual = div.Operation();
Assert.AreEqual(expected, actual);
}
public void ModuloDivisionPositiveIntegerNumberOnNegativeRealOne()
{
Number leftArg = new Number(17m);
Number rightArg = new Number(-7.2m);
decimal expected = 2.6m;
ModuleDivision div = new ModuleDivision(leftArg, rightArg);
decimal actual = div.Operation();
Assert.AreEqual(expected, actual);
}
public void ModuloDivisionNegativeIntegerNumberOnPositiveIntegerOne()
{
Number leftArg = new Number(-78m);
Number rightArg = new Number(33m);
int expected = -12;
ModuleDivision div = new ModuleDivision(leftArg, rightArg);
decimal actual = div.Operation();
Assert.AreEqual(expected, actual);
}
/// <summary>
/// <para>
/// To determine the sequence of actions: execution priority is medium
/// </para>
/// <para>
/// Medium priority operations: multiplication, division, moduloDivision
/// </para>
/// </summary>
private UniversalOperation ParsingAnExpression_MediumPriority()
{
UniversalOperation result = ParsingAnExpression_HighPriority();
while (true)
{
if (MatchSearch('*'))
{
result = new Multiplication(result, ParsingAnExpression_HighPriority());
}
else if (MatchSearch('%'))
{
result = new ModuleDivision(result, ParsingAnExpression_HighPriority());
}
else if (MatchSearch('/') || MatchSearch('÷'))
{
result = new Division(result, ParsingAnExpression_HighPriority());
}
else
{
return(result);
}
}
}