public void TestNext()
{
var generator = new TestNumberGenerator();
Assert.AreEqual(int.MinValue, generator.Next());
Assert.AreEqual(int.MinValue + 1, generator.Next());
}
public void TestGetBytes()
{
var generator = new TestNumberGenerator();
var bytes = new byte[4];
for (int expected = 0; expected < 1000; expected++)
{
generator.NextBytes(bytes);
Assert.AreEqual(expected, BitConverter.ToInt32(bytes, 0));
}
}
public void TestNextMax()
{
var generator = new TestNumberGenerator();
int max = 1000;
for (int expected = 0; expected < max; expected++)
{
Assert.AreEqual(expected, generator.Next(1000));
}
Assert.AreEqual(0, generator.Next(1000));
}
public void TestNextMinMax()
{
var generator = new TestNumberGenerator();
int min = -100;
int max = 100;
for (int expected = 0; expected < max - min; expected++)
{
Assert.AreEqual(expected + min, generator.Next(min, max));
}
Assert.AreEqual(min, generator.Next(min, max));
}
public void TestSchuffle()
{
var actual = new List <int>
{
0, 1, 2, 3, 4, 5
};
var random = new TestNumberGenerator();
actual.Shuffle(random);
var expected = new List <int>
{
4, 3, 5, 2, 1, 0
};
// Note: the result highly depends on TestNumberGenerator
Assert.IsTrue(expected.SequenceEqual(actual));
}