USING: byte-arrays kernel math sequences sequences.private
tools.test ;

{ 6 B{ 1 2 3 } } [
    6 B{ 1 2 3 } resize-byte-array
    [ length ] [ 3 head ] bi
] unit-test

{ B{ 1 2 } } [ 2 B{ 1 2 3 4 5 6 7 8 9 } resize-byte-array ] unit-test

[ -10 B{ } resize-byte-array ] must-fail

{ B{ 123 } } [ 123 1byte-array ] unit-test

{ B{ 123 } } [ 123 0 B{ 0 } [ set-nth ] keep ] unit-test

{ B{ 123 } } [ 123 >bignum 0 B{ 0 } [ set-nth ] keep ] unit-test

[ 1.5 B{ 1 2 3 } nth-unsafe ] must-fail
[ 0 1.5 B{ 1 2 3 } set-nth-unsafe ] must-fail