public void RandomizersWithSameSeedsReturnSameValues()
{
Randomizer r1 = new Randomizer(1234);
Randomizer r2 = new Randomizer(1234);
for (int i = 0; i < 10; i++)
Assert.That(r1.NextDouble(), Is.EqualTo(r2.NextDouble()));
}
public void RandomizersWithDifferentSeedsReturnDifferentValues()
{
Randomizer r1 = new Randomizer(1234);
Randomizer r2 = new Randomizer(4321);
for (int i = 0; i < 10; i++)
Assert.That(r1.NextDouble(), Is.Not.EqualTo(r2.NextDouble()));
}
public void CanGetArrayOfRandomInts()
{
Randomizer r = new Randomizer();
int[] ints = r.GetInts(1, 100, 10);
Assert.That(ints.Length, Is.EqualTo(10));
foreach (int i in ints)
Assert.That(i, Is.InRange(1, 100));
}
public void CanGetArrayOfRandomEnums()
{
Randomizer r = new Randomizer();
object[] enums = r.GetEnums(10, typeof(AttributeTargets));
Assert.That(enums.Length, Is.EqualTo(10));
foreach (object e in enums)
Assert.That(e, Is.TypeOf(typeof(AttributeTargets)));
}
public void RandomDoublesAreUnique()
{
Randomizer r = new Randomizer();
double[] values = new double[10];
for (int i = 0; i < 10; i++)
values[i] = r.NextDouble();
Assert.That(values, Is.Unique);
}
public void RandomIntsAreUnique()
{
Randomizer r = new Randomizer();
int[] values = new int[10];
for (int i = 0; i < 10; i++)
values[i] = r.Next();
Assert.That(values, Is.Unique);
}
public void CanGetArrayOfRandomDoubles()
{
Randomizer r = new Randomizer();
double[] doubles = r.GetDoubles(0.5, 1.5, 10);
Assert.That(doubles.Length, Is.EqualTo(10));
foreach (double d in doubles)
Assert.That(d, Is.InRange(0.5, 1.5));
// Heuristic: Could fail occasionally
Assert.That(doubles, Is.Unique);
}
/// <summary>
/// Default no argument constructor for NUnitTestCaseBuilder
/// </summary>
public NUnitTestCaseBuilder()
{
randomizer = Randomizer.CreateRandomizer();
}
public void CreateRandomizer()
{
_randomizer = new Randomizer();
}
public void CreateRandomizer()
{
_randomizer = new Randomizer();
}
public static void ReturnsDifferentRandomizersForDifferentMethods()
{
var r1 = Randomizer.GetRandomizer(testMethod1);
var r2 = Randomizer.GetRandomizer(testMethod2);
Assert.That(r1, Is.Not.SameAs(r2));
}
public static void ReturnsSameRandomizerForSameMethod()
{
var r1 = Randomizer.GetRandomizer(testMethod1);
var r2 = Randomizer.GetRandomizer(testMethod1);
Assert.That(r1, Is.SameAs(r2));
}
