Option (Test\Option)
 [x] Value succeeds for Some
 [x] Value fails for None
 [x] IsNone succeeds with None
 [x] IsNone succeeds with Some
 [x] IsSome succeeds with None
 [x] IsSome succeeds with Some
 [x] GetOrDefault succeeds with None
 [x] GetOrDefault succeeds with Some
 [x] GetOrCall succeeds with None
 [x] GetOrCall succeeds with Some
 [x] GetOrThrow succeeds with Some
 [x] GetOrThrow succeeds with None
 [x] Bind succeeds with None
 [x] Bind succeeds with Some and Some
 [x] Bind succeeds with Some and None
 [x] Contains succeeds with None
 [x] Contains succeeds with Some when strictly equal
 [x] Contains succeeds with Some when strictly unequal
 [x] Contains succeeds with Some when loosely equal
 [x] Contains succeeds with Some when loosely unequal
 [x] Exists succeeds with Some when matching
 [x] Exists succeeds with Some when not matching
 [x] Exists succeeds with None
 [x] Map succeeds with None
 [x] Map succeeds with Some
 [x] Map fails with Some when mapping is null
 [x] Iter succeeds with None
 [x] Iter succeeds with Some
 [x] Filter succeeds with None
 [x] Filter succeeds with Some when true
 [x] Filter succeeds with Some when false
 [x] Unwrap succeeds with None
 [x] Unwrap succeeds with Some
 [x] Tap succeeds with Some
 [x] Tap succeeds with None
 [x] ToArray succeeds with Some
 [x] ToArray succeeds with None
 [x] ToPhpOption succeeds for Some
 [x] ToPhpOption succeeds for None
 [x] Some succeeds with value
 [x] Some fails with null
 [x] None succeeds
 [x] Of succeeds with null
 [x] Of succeeds with non null
 [x] Of succeeds with PhpOption\Some
 [x] Of succeeds with PhpOption\None

Result (Test\Result)
 [x] OK property succeeds for OK result
 [x] OK property fails for Error result
 [x] Error property succeeds for Error result
 [x] Error property fails for OK result
 [x] IsOK succeeds for OK result
 [x] IsOK succeeds for Error result
 [x] IsError succeeds for Error result
 [x] IsError succeeds for OK result
 [x] Bind succeeds for OK with OK
 [x] Bind succeeds for OK with Error
 [x] Bind succeeds for Error
 [x] Contains succeeds for Error result
 [x] Contains succeeds for OK result when strictly equal
 [x] Contains succeeds for OK result when strictly unequal
 [x] Contains succeeds for OK result when loosely equal
 [x] Contains succeeds for OK result when loosely unequal
 [x] Exists succeeds for OK result when matching
 [x] Exists succeeds for OK result when not matching
 [x] Exists succeeds for Error result
 [x] Map succeeds for OK result
 [x] Map fails for OK result when mapping is null
 [x] Map succeeds for Error result
 [x] MapError succeeds for OK result
 [x] MapError succeeds for Error result
 [x] MapError fails for Error result when mapping is null
 [x] Iter succeeds for OK result
 [x] Iter succeeds for Error result
 [x] ToArray succeeds for OK result
 [x] ToArray succeeds for Error result
 [x] ToOption succeeds for OK result
 [x] ToOption succeeds for Error result
 [x] Tap succeeds for OK result
 [x] Tap succeeds for Error result
 [x] OK succeeds for non null result
 [x] OK fails for null result
 [x] Error succeeds for non null result
 [x] Error fails for null result