public void CalculatesAbsFloorRemCorrectly(int divisor, int testDividend)
{
var int32Divisor = new Int32Divisor(divisor);
var remainder = int32Divisor.AbsFloorRem(testDividend, out var rounded);
Console.WriteLine($"rounded:{rounded}, remainder:{remainder}");
Assert.Multiple(() =>
{
Assert.AreEqual(testDividend % divisor, remainder, SerializeDivisor(int32Divisor));
Assert.AreEqual(testDividend / divisor * divisor, rounded, SerializeDivisor(int32Divisor));
});
}
public void CalculatesAbsFloorRemCorrectlyRandomNumerators(int divisor)
{
var int32Divisor = new Int32Divisor(divisor);
var rng = new PcgRandom();
for (ulong i = 0; i < RandomTestCount; i++)
{
var testDividend = unchecked ((int)rng.Next());
var remainder = int32Divisor.AbsFloorRem(testDividend, out var rounded);
Assert.AreEqual(testDividend % divisor, remainder, $"Trying to test {testDividend} % {divisor}");
Assert.AreEqual(testDividend / divisor * divisor, rounded, $"Trying to test {testDividend} / {divisor} * {divisor}");
}
}
