== UTF-8: roundtripping
[72,105,237,178,128,33]
"Hi\61421\61362\61312!"
[72,105,237,178,128,33]
True

== UTF-8: decoding
"recoverDecode: invalid argument (invalid byte sequence)"
"Hi!"
"Hi\65533\65533\65533!"
"Hi\61421\61362\61312!"
== UTF-8: encoding
[]
[72,105,33]
[72,105,63,33]
[72,105,128,33]

== UTF-16LE: decoding
"recoverDecode: invalid argument (invalid byte sequence)"
"Hi\65503\8671"
"Hi\65533\65503\8671\65533"
"Hi\61439\65503\8671\NUL"
== UTF-16LE: encoding
[]
[72,0,105,0,33,0]
[72,0,105,0,63,0,33,0]
[72,0,105,0,128,33,0]

== UTF-16BE: decoding
"recoverDecode: invalid argument (invalid byte sequence)"
"Hi\65503\65280"
"Hi\65533\65503\65280\65533"
"Hi\61407\65503\65280!"
== UTF-16BE: encoding
[]
[0,72,0,105,0,33]
[0,72,0,105,0,63,0,33]
[0,72,0,105,128,0,33]

== UTF-32LE: decoding
"recoverDecode: invalid argument (invalid byte sequence)"
"Hi\8448"
"Hi\65533\65533\65533\8448\65533"
"Hi\61421\61362\61312\8448\NUL"
== UTF-32LE: encoding
[]
[72,0,0,0,105,0,0,0,33,0,0,0]
[72,0,0,0,105,0,0,0,63,0,0,0,33,0,0,0]
[72,0,0,0,105,0,0,0,128,33,0,0,0]

== UTF-32BE: decoding
"recoverDecode: invalid argument (invalid byte sequence)"
"Hi!"
"Hi\65533\65533\65533\65533!"
"Hi\NUL\61312\61362\61421!"
== UTF-32BE: encoding
[]
[0,0,0,72,0,0,0,105,0,0,0,33]
[0,0,0,72,0,0,0,105,0,0,0,63,0,0,0,33]
[0,0,0,72,0,0,0,105,128,0,0,0,33]