public void ApplyTax_WithSalesTaxOf10Percent_ReturnCalculatedTax()
{
RoundToNearestMultipleCalculator roundToNearest = new RoundToNearestMultipleCalculator(0.05);
BasicSalesTax basicSalesTax = new BasicSalesTax(10, roundToNearest);
var unitPrice = 14.99;
double expected = 1.5;
var actual = basicSalesTax.ApplyTax(unitPrice);
Assert.AreEqual(expected, actual);
unitPrice = 14.99;
expected = 1.5;
actual = basicSalesTax.ApplyTax(unitPrice);
Assert.AreEqual(expected, actual);
}
public void RoundUp_PrecisionIs005_ReturnNearestUpperValue()
{
RoundToNearestMultipleCalculator roundToNearest = new RoundToNearestMultipleCalculator(0.05);
var number = 12.789;
var expected = 12.80;
var actual = roundToNearest.RoundUp(number);
Assert.AreEqual(expected, actual);
number = 12.735;
expected = 12.75;
actual = roundToNearest.RoundUp(number);
Assert.AreEqual(expected, actual);
number = 12.70;
expected = 12.70;
actual = roundToNearest.RoundUp(number);
Assert.AreEqual(expected, actual);
}
