
PASS USVString handling: lone surrogate lead 
PASS USVString handling: lone surrogate trail 
PASS USVString handling: unmatched surrogate lead 
PASS USVString handling: unmatched surrogate trail 
PASS USVString handling: swapped surrogate pair 
PASS USVString handling: properly encoded MUSICAL SYMBOL G CLEF (U+1D11E) 
PASS USVString default