public void PrefixWithFindPrevKeyWorks() { using var fileCollection = new InMemoryFileCollection(); using var db = NewKeyValueDB(fileCollection); using var tr = db.StartTransaction(); tr.CreateKey(_key1); tr.CreateKey(Key2); Assert.True(tr.FindFirstKey(Key2.AsSpan(0, 1))); Assert.False(tr.FindPreviousKey(Key2.AsSpan(0, 1))); tr.Commit(); }