public void PseudoRandom_SameSeed_ReturnSameResult()
{
// # Arrange.
const string Seed = "MySeed";
var sut1 = new PseudoRandom(Seed);
var sut2 = new PseudoRandom(Seed);
// # Act.
var res1 = new[] { sut1.PositiveInt(), sut1.PositiveInt(), sut1.PositiveInt() };
var res2 = new[] { sut2.PositiveInt(), sut2.PositiveInt(), sut2.PositiveInt() };
// # Assert.
CollectionAssert.AreEqual(res1, res2);
}
public void PseudoRandom_DifferentSeed_ReturnDifferentResult()
{
// # Arrange.
var sut1 = new PseudoRandom("Seed1");
var sut2 = new PseudoRandom("Seed2");
// # Act.
var res1 = sut1.PositiveInt();
var res2 = sut2.PositiveInt();
// # Assert.
Assert.AreNotEqual(res1, res2);
}
public void PseudoRandom_NoSeed_UseCallerName()
{
// # Arrange.
var sutKnownSeed = new PseudoRandom(nameof(PseudoRandom_NoSeed_UseCallerName));
var sutMethodSeed = new PseudoRandom();
// # Act.
var knownSeedResult = sutKnownSeed.PositiveInt();
var methodSeedResult = sutMethodSeed.PositiveInt();
var initialisedSeedResult = pr.PositiveInt();
// # Assert.
Assert.AreEqual(knownSeedResult, methodSeedResult,
"The SUTs should all return the same result as all use the same seed.");
Assert.AreEqual(knownSeedResult, initialisedSeedResult,
"The SUTs should all return the same result as all use the same seed.");
}
