public void NextDateTime_FromTodayUntilDateTimeMaxValue()
{
var randomGenerator = new PseudoRandomizer();
var now = DateTime.Now;
var next = randomGenerator.NextDateTime();
Assert.IsTrue(next >= now);
Assert.IsTrue(next < DateTime.MaxValue);
}
public void NextDateTime_FromStartDateTimeUntilEndDateTime()
{
var randomGenerator = new PseudoRandomizer();
var startDateTime = DateTime.Now.AddDays(3);
var endDateTime = startDateTime.AddDays(2);
var next = randomGenerator.NextDateTime(startDateTime, endDateTime);
Assert.IsTrue(next >= startDateTime, $"{next} >= startDateTime");
Assert.IsTrue(next < endDateTime, $"{next} < endDateTime");
}
public void NextDateTime_FromTodayUntilSuppliedEndDateTime()
{
var randomGenerator = new PseudoRandomizer();
var now = DateTime.Now;
var endDateTime = now.AddDays(2);
var next = randomGenerator.NextDateTime(endDateTime);
Assert.IsTrue(next >= now, $"{next} >= now");
Assert.IsTrue(next < endDateTime, $"{next} < endDateTime");
}
public void NextItem_FromArrayWithItems_ExpectOccasionalHit()
{
var randomGenerator = new PseudoRandomizer();
var items = new []
{
"One",
"Two"
};
Assert.IsTrue(items.Contains(randomGenerator.NextItem(items)));
}
public void NextItem_FromArrayWithItems_ExpectNonNull()
{
var randomGenerator = new PseudoRandomizer();
Assert.IsNotNull(randomGenerator.NextItem(new[]
{
"One",
"Two",
"Three"
}));
}
public void NextItem_FromEmptyArrayExpectNull()
{
var randomGenerator = new PseudoRandomizer();
Assert.IsNull(randomGenerator.NextItem(new string[] { }));
}
public void NextItem_FromNullArrayExpectNull()
{
var randomGenerator = new PseudoRandomizer();
Assert.IsNull(randomGenerator.NextItem <string>(null !));
}
