public void NextLongTest()
{
var byteGenerator = new Random();
var random = new MockRandom();
var buffer = new byte[8];
for (var i = 0; i < 100; i++)
{
byteGenerator.NextBytes(buffer);
random.MockNextBytes = buffer;
Assert.AreEqual(BitConverter.ToInt64(buffer, 0), random.NextLong());
}
}
public void NextLongMaximumTest()
{
var random = new MockRandom();
Assert.ThrowsException <ArgumentOutOfRangeException>(() => random.NextLong(-1));
var byteGenerator = new Random();
var buffer = new byte[8];
for (var i = 0; i < 100; i++)
{
byteGenerator.NextBytes(buffer);
random.MockNextBytes = buffer;
var value = BitConverter.ToInt64(buffer, 0);
var maximum = byteGenerator.NextInt64();
Assert.AreEqual(
value % maximum, random.NextLong(maximum),
$"value={value}, maximum={maximum}, %={value % maximum}, {random.NextLong( maximum )}"
);
}
}
public void NextLongMinimumMaximumTest()
{
var random = new MockRandom();
Assert.ThrowsException <ArgumentOutOfRangeException>(() => random.NextLong(1, 0));
}