private Wallet(string path = DEFAULT_PATH, IRandom random = null)
{
Path = path;
#if NETCOREAPP2_1 || NETCOREAPP3_1 || NETSTANDARD2_0 || NET5_0
if (random == null)
{
random = new RandomNumberGeneratorRandom();
}
#else
if (random == null)
{
random = new SecureRandom();
}
#endif
Random = random;
}
public void Next_WithNoArguments_ReturnsPositiveValues()
{
var rand = new RandomNumberGeneratorRandom(new RNGCryptoServiceProvider());
var samples = 10000;
var failures = 0;
for (var i = 0; i < samples; i++)
{
var value = rand.Next();
if (value < 0)
{
failures++;
}
}
Assert.Equal(0, failures);
}
public void NextDouble_Always_ReturnsValuesWithinRange()
{
var rand = new RandomNumberGeneratorRandom(new RNGCryptoServiceProvider());
var samples = 1000000;
var failures = 0;
for (var i = 0; i < samples; i++)
{
var value = rand.NextDouble();
if (value >= 1 || value < 0)
{
failures++;
}
}
Assert.Equal(0, failures);
}
public void Next_WithMinAndMaxValues_ReturnsValuesWithinTheRange(int minValue, int maxValue)
{
var rand = new RandomNumberGeneratorRandom(new RNGCryptoServiceProvider());
var samples = 10000;
var failures = 0;
for (var i = 0; i < samples; i++)
{
var value = rand.Next(minValue, maxValue);
if (value < minValue || value > maxValue || (value == maxValue && maxValue > minValue))
{
failures++;
}
}
Assert.Equal(0, failures);
}