private void EqualsDetectsDeltaForAllLocations(ReadOnlySequence <byte> slice, byte[] expected, int offset, int length) { Assert.Equal(length, slice.Length); Assert.True(slice.EqualsTo(new Span <byte>(expected, offset, length))); // change one byte in buffer, for every position for (int i = 0; i < length; i++) { expected[offset + i] ^= 42; Assert.False(slice.EqualsTo(new Span <byte>(expected, offset, length))); expected[offset + i] ^= 42; } }