public void It_should_take_as_long_to_verify_inequal_as_it_takes_to_verify_equal()
{
SecurityExtensions.SecureEquals(new byte[20], new byte[20]); // Initial call to make sure the method is JIT'd for a fair comparison
var first = new byte[0x800000];
var second = new byte[0x1000];
var inequalDuration = TimeMethodCall(() => SecurityExtensions.SecureEquals(first, second));
second = new byte[0x800000];
var equalDuration = TimeMethodCall(() => SecurityExtensions.SecureEquals(first, second));
Assert.IsTrue(equalDuration - inequalDuration < TimeSpan.FromMilliseconds(10), "equal test took {0} while inequal test took {1}", equalDuration, inequalDuration);
}
public void It_should_return_inequal_if_arrays_are_different(byte[] left, byte[] right)
{
Assert.IsFalse(SecurityExtensions.SecureEquals(left, right), "arrays compared as equal");
}
public void It_should_return_equal_to_compare_an_array_against_itself()
{
var array = new byte[10];
Assert.IsTrue(SecurityExtensions.SecureEquals(array, array));
}
public void It_should_return_equal_if_arrays_are_identical(byte[] left, byte[] right)
{
Assert.IsTrue(SecurityExtensions.SecureEquals(left, right), "arrays did not compare as equal");
}