public void CorrectlyDivides(long divisor, long testDividend)
{
var int64Divisor = new Int64Divisor(divisor);
var quotient = testDividend / int64Divisor;
Console.WriteLine($"quotient:{quotient}");
Assert.AreEqual(testDividend / divisor, quotient, SerializeDivisor(int64Divisor));
}
public void CalculatesAbsFloorCorrectly(long divisor, long testDividend)
{
var int64Divisor = new Int64Divisor(divisor);
var rounded = int64Divisor.AbsFloor(testDividend);
Console.WriteLine($"rounded:{rounded}");
Assert.AreEqual(testDividend / divisor * divisor, rounded, SerializeDivisor(int64Divisor));
}
public void CalculatesModulusCorrectly(long divisor, long testDividend)
{
var int64Divisor = new Int64Divisor(divisor);
var remainder = testDividend % int64Divisor;
Console.WriteLine($"remainder:{remainder}");
Assert.AreEqual(testDividend % divisor, remainder, SerializeDivisor(int64Divisor));
}
public void CalculatesAbsFloorCorrectlyRandomNumerators(long divisor)
{
var int64Divisor = new Int64Divisor(divisor);
var rng = new PcgRandom();
for (ulong i = 0; i < RandomTestCount; i++)
{
var testDividend = unchecked (rng.Next() | ((long)rng.Next() << 32));
var rounded = int64Divisor.AbsFloor(testDividend);
Assert.AreEqual(testDividend / divisor * divisor, rounded, $"Trying to test {testDividend} / {divisor} * {divisor}");
}
}
public void CalculatesModulusCorrectlyRandomNumerators(long divisor)
{
var int64Divisor = new Int64Divisor(divisor);
var rng = new PcgRandom();
for (ulong i = 0; i < RandomTestCount; i++)
{
var testDividend = unchecked (rng.Next() | ((long)rng.Next() << 32));
var remainder = testDividend % int64Divisor;
Assert.AreEqual(testDividend % divisor, remainder, $"Trying to test {testDividend} % {divisor}");
}
}
public void CorrectlyDividesRandomNumerators(long divisor)
{
var int64Divisor = new Int64Divisor(divisor);
var rng = new PcgRandom();
for (ulong i = 0; i < RandomTestCount; i++)
{
var testDividend = unchecked (rng.Next() | ((long)rng.Next() << 32));
var quotient = testDividend / int64Divisor;
Assert.AreEqual(testDividend / divisor, quotient, $"Trying to test {testDividend} / {divisor}");
}
}
public void CalculatesAbsFloorRemCorrectly(long divisor, long testDividend)
{
var int64Divisor = new Int64Divisor(divisor);
var remainder = int64Divisor.AbsFloorRem(testDividend, out var rounded);
Console.WriteLine($"rounded:{rounded}, remainder:{remainder}");
Assert.Multiple(() =>
{
Assert.AreEqual(testDividend % divisor, remainder, SerializeDivisor(int64Divisor));
Assert.AreEqual(testDividend / divisor * divisor, rounded, SerializeDivisor(int64Divisor));
});
}
public void DivRemReturnsCorrectly(long divisor, long testDividend)
{
var int64Divisor = new Int64Divisor(divisor);
var remainder = int64Divisor.DivRem(testDividend, out var quotient);
Console.WriteLine($"quotient:{quotient}, remainder:{remainder}");
Assert.Multiple(() =>
{
Assert.AreEqual(testDividend % divisor, remainder, SerializeDivisor(int64Divisor));
Assert.AreEqual(testDividend / divisor, quotient, SerializeDivisor(int64Divisor));
});
}
public void DivRemReturnsCorrectlyRandomNumerators(long divisor)
{
var int64Divisor = new Int64Divisor(divisor);
var rng = new PcgRandom();
for (ulong i = 0; i < RandomTestCount; i++)
{
var testDividend = unchecked (rng.Next() | ((long)rng.Next() << 32));
var remainder = int64Divisor.DivRem(testDividend, out var quotient);
Assert.AreEqual(testDividend % divisor, remainder, $"Trying to test {testDividend} % {divisor}");
Assert.AreEqual(testDividend / divisor, quotient, $"Trying to test {testDividend} / {divisor}");
}
}
private static string SerializeDivisor(Int64Divisor divisor) => $"{JsonConvert.SerializeObject(divisor)}";
