public void Paint_Coverage_Returns_Litres_Required()
{
//Arrange
IPaintCoverageCalculator _calculator = new PaintCoverageCalculator();
//Act
decimal input = _calculator.calculateCoverage(48.2221m);
//Assert
Assert.IsTrue(input == 48.2221m / 10, "Coverage correctly calculated");
}
public JsonResult CalculatePaint(SelectedPaintViewModel vm)
{
if (!ModelState.IsValid || vm.SelectedFinish == null || vm.SelectedCoats == null ||
vm.SelectedSurface == null || vm.Walls == null || vm.Units == null)
{
return(Json(new { success = false }));
}
var result = PaintCoverageCalculator.GetNumberOfRollsNeededForWall(vm);
return(Json(result, JsonRequestBehavior.AllowGet));
}
public void Paint_Coverage_Returns_Decimal_Coverage_Accurately()
{
//Arrange
IPaintCoverageCalculator _calculator = new PaintCoverageCalculator();
int precision = 0;
//Act
decimal input = _calculator.calculateCoverage(48.2226846158841m);
// Checks how many decimal places the calculation is accurate too
while (input * (decimal)Math.Pow(10, precision) !=
Math.Round(input * (decimal)Math.Pow(10, precision)))
{
precision++;
}
//Assert
Assert.IsTrue(precision >= 10, "Accurate to at least {0} decimal places", precision);
}
