Tests TestRunner.RuntimeAgent.evaluate can handle invalid Unicode code points and non-characters.

"'���' === '\uD800'" -> true
"'���'.codePointAt(0).toString(16)" -> d800
"'���' === '\uDBFF'" -> true
"'���'.codePointAt(0).toString(16)" -> dbff
"'���' === '\uDC00'" -> true
"'���'.codePointAt(0).toString(16)" -> dc00
"'���' === '\uDFFF'" -> true
"'���'.codePointAt(0).toString(16)" -> dfff
"'﷐' === '\uFDD0'" -> true
"'﷐'.codePointAt(0).toString(16)" -> fdd0
"'﷯' === '\uFDEF'" -> true
"'﷯'.codePointAt(0).toString(16)" -> fdef
"'￾' === '\uFFFE'" -> true
"'￾'.codePointAt(0).toString(16)" -> fffe
"'￿' === '\uFFFF'" -> true
"'￿'.codePointAt(0).toString(16)" -> ffff
"'🿾' === '\u{01FFFE}'" -> true
"'🿾'.codePointAt(0).toString(16)" -> 1fffe
"'🿿' === '\u{01FFFF}'" -> true
"'🿿'.codePointAt(0).toString(16)" -> 1ffff
"'𯿾' === '\u{02FFFE}'" -> true
"'𯿾'.codePointAt(0).toString(16)" -> 2fffe
"'𯿿' === '\u{02FFFF}'" -> true
"'𯿿'.codePointAt(0).toString(16)" -> 2ffff
"'𿿾' === '\u{03FFFE}'" -> true
"'𿿾'.codePointAt(0).toString(16)" -> 3fffe
"'𿿿' === '\u{03FFFF}'" -> true
"'𿿿'.codePointAt(0).toString(16)" -> 3ffff
"'񏿾' === '\u{04FFFE}'" -> true
"'񏿾'.codePointAt(0).toString(16)" -> 4fffe
"'񏿿' === '\u{04FFFF}'" -> true
"'񏿿'.codePointAt(0).toString(16)" -> 4ffff
"'񟿾' === '\u{05FFFE}'" -> true
"'񟿾'.codePointAt(0).toString(16)" -> 5fffe
"'񟿿' === '\u{05FFFF}'" -> true
"'񟿿'.codePointAt(0).toString(16)" -> 5ffff
"'񯿾' === '\u{06FFFE}'" -> true
"'񯿾'.codePointAt(0).toString(16)" -> 6fffe
"'񯿿' === '\u{06FFFF}'" -> true
"'񯿿'.codePointAt(0).toString(16)" -> 6ffff
"'񿿾' === '\u{07FFFE}'" -> true
"'񿿾'.codePointAt(0).toString(16)" -> 7fffe
"'񿿿' === '\u{07FFFF}'" -> true
"'񿿿'.codePointAt(0).toString(16)" -> 7ffff
"'򏿾' === '\u{08FFFE}'" -> true
"'򏿾'.codePointAt(0).toString(16)" -> 8fffe
"'򏿿' === '\u{08FFFF}'" -> true
"'򏿿'.codePointAt(0).toString(16)" -> 8ffff
"'򟿾' === '\u{09FFFE}'" -> true
"'򟿾'.codePointAt(0).toString(16)" -> 9fffe
"'򟿿' === '\u{09FFFF}'" -> true
"'򟿿'.codePointAt(0).toString(16)" -> 9ffff
"'򯿾' === '\u{0AFFFE}'" -> true
"'򯿾'.codePointAt(0).toString(16)" -> afffe
"'򯿿' === '\u{0AFFFF}'" -> true
"'򯿿'.codePointAt(0).toString(16)" -> affff
"'򿿾' === '\u{0BFFFE}'" -> true
"'򿿾'.codePointAt(0).toString(16)" -> bfffe
"'򿿿' === '\u{0BFFFF}'" -> true
"'򿿿'.codePointAt(0).toString(16)" -> bffff
"'򿿾' === '\u{0BFFFE}'" -> true
"'򿿾'.codePointAt(0).toString(16)" -> bfffe
"'򿿿' === '\u{0BFFFF}'" -> true
"'򿿿'.codePointAt(0).toString(16)" -> bffff
"'󏿾' === '\u{0CFFFE}'" -> true
"'󏿾'.codePointAt(0).toString(16)" -> cfffe
"'󏿿' === '\u{0CFFFF}'" -> true
"'󏿿'.codePointAt(0).toString(16)" -> cffff
"'󟿾' === '\u{0DFFFE}'" -> true
"'󟿾'.codePointAt(0).toString(16)" -> dfffe
"'󟿿' === '\u{0DFFFF}'" -> true
"'󟿿'.codePointAt(0).toString(16)" -> dffff
"'󯿾' === '\u{0EFFFE}'" -> true
"'󯿾'.codePointAt(0).toString(16)" -> efffe
"'󯿿' === '\u{0EFFFF}'" -> true
"'󯿿'.codePointAt(0).toString(16)" -> effff
"'󿿾' === '\u{0FFFFE}'" -> true
"'󿿾'.codePointAt(0).toString(16)" -> ffffe
"'󿿿' === '\u{0FFFFF}'" -> true
"'󿿿'.codePointAt(0).toString(16)" -> fffff
"'􏿾' === '\u{10FFFE}'" -> true
"'􏿾'.codePointAt(0).toString(16)" -> 10fffe
"'􏿿' === '\u{10FFFF}'" -> true
"'􏿿'.codePointAt(0).toString(16)" -> 10ffff
"String.fromCodePoint(0x10FFFF)" -> 􏿿
"String.fromCodePoint(0xFFFF)" -> ￿