private static void AssertEquivalent(MemoryStream standard, SmallBlockMemoryStream subject)
{
// length and position should be identical to standard
subject.Length.Should().Be(standard.Length);
subject.Position.Should().Be(standard.Position);
// allocations should never exceed LOH limit
var allocationSizes = subject.GetAllocationSizes();
allocationSizes.Any(x => x > SmallBlockMemoryStream.MaxBlockSize)
.Should().BeFalse();
// capacity should match allocations
var calculatedCapacity = allocationSizes.Sum(x => (long)Math.Max(0, x));
subject.Capacity.Should().Be(calculatedCapacity);
// total allocation should be identical to the standard until the LOH limit
// is exceeded...
if (standard.Capacity < SmallBlockMemoryStream.MaxBlockSize)
{
calculatedCapacity.Should().Be(standard.Capacity);
}
// contents of the stream should be identical to the standard
Assert.AreEqual(standard, subject);
}
public void Dispose_LeavesSafePropertiesInTheCorrectState()
{
var subject = new SmallBlockMemoryStream();
subject.Dispose();
subject.ShouldBeEquivalentTo(new
{
CanRead = false,
CanSeek = false,
CanWrite = false,
}, EqOpts);
subject.GetAllocationSizes().ShouldBeEquivalentTo(NoAllocations);
}
