### ----------------------------------------------------
### -- Format::Lisp
### -- Licenses: Artistic-2.0
### -- Authors: Jeffrey Goff
### -- File: t/12-format-b.rakutest
### ----------------------------------------------------
### -- Chunk 1 of 2
use v6;

use Test;
use lib 't/lib';
use Utils;
use Format::Lisp;

my $*fl = Format::Lisp.new;

subtest {
	is $*fl.format( Q{~B}, 0b101 ), Q{101}, Q{format.b.1 slice};

	is $*fl.format( Q{~@B}, 0b101 ), Q{+101}, Q{format.b.2 slice};

	is $*fl.format( Q{~~~db}, 4 ), Q{~4b}, Q{format.b.3 slice};

	is $*fl.format( Q{~~~d@b}, 4 ), Q{~4@b}, Q{format.b.4 slice};

#`(
	is $*fl.format( Q{~~~d,'~c~c}, 4, Q{*}, Q{b} ), Q{~4,'*b}, Q{format.b.5 slice};
)
}, Q{missing coverage};

#`(
# (deftest format.b.1
#   (let ((fn (formatter "~b")))
#     (with-standard-io-syntax
#      (loop for x = (ash 1 (+ 2 (random 80)))
#            for i = (- (random (+ x x)) x)
#            for s1 = (format nil "~B" i)
#            for s2 = (formatter-call-to-string fn i)
#            for j = (let ((*read-base* 2)) (read-from-string s1))
#            repeat 1000
#            when (or (not (string= s1 s2))
#                     (/= i j)
#                     (find #\+ s1)
#                     (loop for c across s1 thereis (not (find c "-01"))))
#            collect (list i s1 j s2))))
#   nil)
# 
ok deftest( {
	my @collected;
	my $fn = $*fl.formatter( Q{~b} );
	for 1 .. 1000 {
		my $x = 2 ** ( 2 + 80.rand.Int );
		my $i = ( ( $x + $x ).rand - $x );
		my $s1 = $*fl.format( Q{~B}, $i );
		my $s2 = formatter-call-to-string( $fn, $i );
		# XXX convert $s1 to base-10
	}
	@collected
}, [ ]
), Q{format.b.1};
)

#`(
# (deftest format.b.2
#   (let ((fn (formatter "~@b")))
#     (with-standard-io-syntax
#      (loop for x = (ash 1 (+ 2 (random 80)))
#            for i = (- (random (+ x x)) x)
#            for s1 = (format nil "~@b" i)
#            for s2 = (formatter-call-to-string fn i)
#            for j = (let ((*read-base* 2)) (read-from-string s1))
#            repeat 1000
#            when (or (/= i j)
#                     (not (string= s1 s2))
#                     (loop for c across s1 thereis (not (find c "-+01"))))
#            collect (list i s1 j s2))))
#   nil)
# 
ok deftest( {
	my @collected;
	my $fn = $*fl.formatter( Q{~@b} );
	for 1 .. 1000 {
		my $x = 2 ** ( 2 + 80.rand.Int );
		my $i = ( ( $x + $x ).rand - $x );
		my $s1 = $*fl.format( Q{~@b}, $i );
		my $s2 = formatter-call-to-string( $fn, $i );
		# XXX convert $s1 to base-10
	}
	@collected;
}, [ ]
), Q{format.b.2};
)

#`(
# (deftest format.b.3
#   (with-standard-io-syntax
#    (loop for x = (ash 1 (+ 2 (random 80)))
#          for mincol = (random 30)
#          for i = (- (random (+ x x)) x)
#          for s1 = (format nil "~b" i)
#          for fmt = (format nil "~~~db" mincol)
#          for s2 = (format nil fmt i)
#          for pos = (search s1 s2)
#          repeat 1000
#          when (or (null pos)
#                   (and (> mincol (length s1))
#                        (or (/= (length s2) mincol)
#                            (not (eql (position #\Space s2 :test-not #'eql)
#                                      (- (length s2) (length s1)))))))
#          collect (list i mincol s1 s2 pos)))
#   nil)
# 
ok deftest( {
	my @collected;
	my $fn = $*fl.formatter( Q{~b} );
	for 1 .. 1000 {
		my $x = 2 ** ( 2 + 80.rand.Int );
		my $i = ( ( $x + $x ).rand - $x );
		my $s1 = $*fl.format( Q{~~~db}, $i );
		my $s2 = formatter-call-to-string( $fn, $i );
		# XXX convert $s1 to base-10
	}
	@collected
}, [ ]
), Q{format.b.3};
)

#`(
# (deftest formatter.b.3
#   (with-standard-io-syntax
#    (loop for x = (ash 1 (+ 2 (random 80)))
#          for mincol = (random 30)
#          for i = (- (random (+ x x)) x)
#          for s1 = (format nil "~b" i)
#          for fmt = (format nil "~~~db" mincol)
#          for fn = (eval `(formatter ,fmt))
#          for s2 = (formatter-call-to-string fn i)
#          for pos = (search s1 s2)
#          repeat 100
#          when (or (null pos)
#                   (and (> mincol (length s1))
#                        (or (/= (length s2) mincol)
#                            (not (eql (position #\Space s2 :test-not #'eql)
#                                      (- (length s2) (length s1)))))))
#          collect (list i mincol s1 s2 pos)))
#   nil)
# 
ok deftest( {
	my @collected;
	my $fn = $*fl.formatter( Q{~b} );
	for 1 .. 1000 {
		my $x = 2 ** ( 2 + 80.rand.Int );
		my $i = ( ( $x + $x ).rand - $x );
		my $s1 = $*fl.format( Q{~~~db}, $i );
		my $s2 = formatter-call-to-string( $fn, $i );
		# XXX convert $s1 to base-10
	}
	@collected;
}, [ ]
), Q{formatter.b.3};
)

#`(
# (deftest format.b.4
#   (with-standard-io-syntax
#    (loop for x = (ash 1 (+ 2 (random 80)))
#          for mincol = (random 30)
#          for i = (- (random (+ x x)) x)
#          for s1 = (format nil "~@B" i)
#          for fmt = (format nil "~~~d@b" mincol)
#          for s2 = (format nil fmt i)
#          for pos = (search s1 s2)
#          repeat 1000
#          when (or (null pos)
#                   (and (>= i 0) (not (eql (elt s1 0) #\+)))
#                   (and (> mincol (length s1))
#                        (or (/= (length s2) mincol)
#                            (not (eql (position #\Space s2 :test-not #'eql)
#                                      (- (length s2) (length s1)))))))
#          collect (list i mincol s1 s2 pos)))
#   nil)
# 
ok deftest( {
	my @collected;
	my $fn = $*fl.formatter( Q{~b} );
	for 1 .. 1000 {
		my $x = 2 ** ( 2 + 80.rand.Int );
		my $i = ( ( $x + $x ).rand - $x );
		my $s1 = $*fl.format( Q{~~~db}, $i );
		my $s2 = formatter-call-to-string( $fn, $i );
		# XXX convert $s1 to base-10
	}
}, [ ]
), Q{format.b.4};
)

#`(
# (deftest formatter.b.4
#   (with-standard-io-syntax
#    (loop for x = (ash 1 (+ 2 (random 80)))
#          for mincol = (random 30)
#          for i = (- (random (+ x x)) x)
#          for s1 = (format nil "~@B" i)
#          for fmt = (format nil "~~~d@b" mincol)
#          for fn = (eval `(formatter ,fmt))
#          for s2 = (formatter-call-to-string fn i)
#          for pos = (search s1 s2)
#          repeat 100
#          when (or (null pos)
#                   (and (>= i 0) (not (eql (elt s1 0) #\+)))
#                   (and (> mincol (length s1))
#                        (or (/= (length s2) mincol)
#                            (not (eql (position #\Space s2 :test-not #'eql)
#                                      (- (length s2) (length s1)))))))
#          collect (list i mincol s1 s2 pos)))
#   nil)
# 
ok deftest( {
	my @collected;
	my $fn = $*fl.formatter( "~@B" );
	for 1 .. 1000 {
		my $x = 2 ** ( 2 + 80.rand.Int );
		my $i = ( ( $x + $x ).rand - $x );
		my $s1 = $*fl.format( Q{~~~d@b}, $i );
		my $s2 = formatter-call-to-string( $fn, $i );
		# XXX convert $s1 to base-10
	}
	@collected
}, [ ]
), Q{formatter.b.4};
)

#`(
# (deftest format.b.5
#   (with-standard-io-syntax
#    (loop for x = (ash 1 (+ 2 (random 80)))
#          for mincol = (random 30)
#          for padchar = (random-from-seq +standard-chars+)
#          for i = (- (random (+ x x)) x)
#          for s1 = (format nil "~b" i)
#          for fmt = (format nil "~~~d,'~c~c" mincol padchar
#                            (random-from-seq "bB"))
#          for s2 = (format nil fmt i)
#          for pos = (search s1 s2)
#          repeat 1000
#          when (or (null pos)
#                   (and (> mincol (length s1))
#                        (or (/= (length s2) mincol)
#                            (find padchar s2 :end (- (length s2) (length s1))
#                                  :test-not #'eql))))
#          collect (list i mincol s1 s2 pos)))
#   nil)
# 
ok deftest( {
	my @collected;
	my $fn = $*fl.formatter( Q{~@B} );
	for 1 .. 1000 {
		my $x = 2 ** ( 2 + 80.rand.Int );
		my $i = ( ( $x + $x ).rand - $x );
		my $s1 = $*fl.format( Q{~~~d@b}, $i );
		my $s2 = formatter-call-to-string( $fn, $i );
		# XXX convert $s1 to base-10
	}
	@collected;
}, [ ]
), Q{formatter.b.4};
)

#`(
# (deftest formatter.b.5
#   (with-standard-io-syntax
#    (loop for x = (ash 1 (+ 2 (random 80)))
#          for mincol = (random 30)
#          for padchar = (random-from-seq +standard-chars+)
#          for i = (- (random (+ x x)) x)
#          for s1 = (format nil "~b" i)
#          for fmt = (format nil "~~~d,'~c~c" mincol padchar
#                            (random-from-seq "bB"))
#          for fn = (eval `(formatter ,fmt))
#          for s2 = (formatter-call-to-string fn i)
#          for pos = (search s1 s2)
#          repeat 100
#          when (or (null pos)
#                   (and (> mincol (length s1))
#                        (or (/= (length s2) mincol)
#                            (find padchar s2 :end (- (length s2) (length s1))
#                                  :test-not #'eql))))
#          collect (list i mincol s1 s2 pos)))
#   nil)
# 
ok deftest( {
	my @collected;
	my $fn = $*fl.formatter( Q{~@B} );
	for 1 .. 1000 {
		my $x = 2 ** ( 2 + 80.rand.Int );
		my $i = ( ( $x + $x ).rand - $x );
		my $s1 = $*fl.format( Q{~~~d@b}, $i );
		my $s2 = formatter-call-to-string( $fn, $i );
		# XXX convert $s1 to base-10
	}
	@collected;
}, [ ]
), Q{formatter.b.5};
)

#`(
# (deftest format.b.6
#   (let ((fn (formatter "~v,vB")))
#     (with-standard-io-syntax
#      (loop for x = (ash 1 (+ 2 (random 80)))
#            for mincol = (random 30)
#            for padchar = (random-from-seq +standard-chars+)
#            for i = (- (random (+ x x)) x)
#            for s1 = (format nil "~b" i)
#            for s2 = (format nil "~v,vb" mincol padchar i)
#            for s3 = (formatter-call-to-string fn mincol padchar i)
#            for pos = (search s1 s2)
#            repeat 1000
#            when (or (null pos)
#                     (not (string= s2 s3))
#                     (and (> mincol (length s1))
#                          (or (/= (length s2) mincol)
#                              (find padchar s2 :end (- (length s2) (length s1))
#                                    :test-not #'eql))))
#            collect (list i mincol s1 s2 s3 pos))))
#   nil)
# 
ok deftest( {
	my @collected;
	my $fn = $*fl.formatter( Q{~@B} );
	for 1 .. 1000 {
		my $x = 2 ** ( 2 + 80.rand.Int );
		my $i = ( ( $x + $x ).rand - $x );
		my $s1 = $*fl.format( Q{~~~d@b}, $i );
		my $s2 = formatter-call-to-string( $fn, $i );
		# XXX convert $s1 to base-10
	}
	@collected;
}, [ ]
), Q{format.b.6};
)

#`(
# (deftest format.b.7
#   (let ((fn (formatter "~v,v@B")))
#     (with-standard-io-syntax
#      (loop for x = (ash 1 (+ 2 (random 80)))
#            for mincol = (random 30)
#            for padchar = (random-from-seq +standard-chars+)
#            for i = (- (random (+ x x)) x)
#            for s1 = (format nil "~@B" i)
#            for s2 = (format nil "~v,v@b" mincol padchar i)
#            for s3 = (formatter-call-to-string fn mincol padchar i)
#            for pos = (search s1 s2)
#            repeat 1000
#            when (or (null pos)
#                     (not (string= s2 s3))
#                     (and (>= i 0) (not (eql (elt s1 0) #\+)))
#                     (and (> mincol (length s1))
#                          (or (/= (length s2) mincol)
#                              (find padchar s2 :end (- (length s2) (length s1))
#                                    :test-not #'eql))))
#            collect (list i mincol s1 s2 s3 pos))))
#   nil)
# 
ok deftest( {
	my @collected;
	my $fn = $*fl.formatter( Q{~@B} );
	for 1 .. 1000 {
		my $x = 2 ** ( 2 + 80.rand.Int );
		my $i = ( ( $x + $x ).rand - $x );
		my $s1 = $*fl.format( Q{~~~d@b}, $i );
		my $s2 = formatter-call-to-string( $fn, $i );
		# XXX convert $s1 to base-10
	}
	@collected;
}, [ ]
), Q{format.b.7};
)

subtest {
	# (deftest format.b.8
	#   (let ((fn (formatter "~:B")))
	#     (loop for i from -7 to 7
	#           for s1 = (format nil "~b" i)
	#           for s2 = (format nil "~:b" i)
	#           for s3 = (formatter-call-to-string fn i)
	#           unless (and (string= s1 s2) (string= s2 s3))
	#           collect (list i s1 s2 s3)))
	#   nil)
	# 
	ok deftest( {
		my @collected;
		my $fn = $*fl.formatter( Q{~:B} );
		for -7 .. 7 -> $i {
			my $s1 = $*fl.format( Q{~b}, $i );
			my $s2 = $*fl.format( Q{~:b}, $i );
			my $s3 = formatter-call-to-string( $fn, $i );
			unless $s1 eq $s2 and $s2 eq $s3 {
				@collected.append( [ $i, $s1, $s2, $s3 ] );
			}
		}
		@collected;
	}, [ ]
	), Q{format.b.8};

	#`(
	# (deftest format.b.9
	#   (let ((fn (formatter "~:b")))
	#     (with-standard-io-syntax
	#      (loop for x = (ash 1 (+ 2 (random 80)))
	#            for i = (- (random (+ x x)) x)
	#            for commachar = #\,
	#            for s1 = (format nil "~b" i)
	#            for s2 = (format nil "~:B" i)
	#            for s3 = (formatter-call-to-string fn i)
	#            repeat 1000
	#            unless (and (string= s1 (remove commachar s2))
	#                        (string= s2 s3)
	#                        (not (eql (elt s2 0) commachar))
	#                        (or (>= i 0) (not (eql (elt s2 1) commachar)))
	#                        (let ((len (length s2))
	#                              (ci+1 4))
	#                          (loop for i from (if (< i 0) 2 1) below len
	#                                always (if (= (mod (- len i) ci+1) 0)
	#                                           (eql (elt s2 i) commachar)
	#                                         (find (elt s2 i) "01")))))
	#            collect (list x i commachar s1 s2 s3))))
	#   nil)
	# 
	ok deftest( {
		my @collected;
		my $fn = $*fl.formatter( Q{~@B} );
		for 1 .. 1000 {
			my $x = 2 ** ( 2 + 80.rand.Int );
			my $i = ( ( $x + $x ).rand - $x );
			my $s1 = $*fl.format( Q{~~~d@b}, $i );
			my $s2 = formatter-call-to-string( $fn, $i );
			# XXX convert $s1 to base-10
		}
		@collected;
	}, [ ]
	), Q{format.b.7};
	)

	#`(
	# (deftest format.b.10
	#   (let ((fn (formatter "~,,v:B")))
	#     (with-standard-io-syntax
	#      (loop for x = (ash 1 (+ 2 (random 80)))
	#            for i = (- (random (+ x x)) x)
	#            for commachar = (random-from-seq +standard-chars+)
	#            for s1 = (format nil "~b" i)
	#            for s2 = (format nil "~,,v:b" commachar i)
	#            for s3 = (formatter-call-to-string fn commachar i)
	#            repeat 1000
	#            unless (and
	#                    (eql (elt s1 0) (elt s2 0))
	#                    (string= s2 s3)
	#                    (if (< i 0) (eql (elt s1 1) (elt s2 1)) t)
	#                    (let ((len (length s2))
	#                          (ci+1 4)
	#                          (j (if (< i 0) 1 0)))
	#                      (loop for i from (if (< i 0) 2 1) below len
	#                            always (if (= (mod (- len i) ci+1) 0)
	#                                       (eql (elt s2 i) commachar)
	#                                  (eql (elt s1 (incf j)) (elt s2 i))))))
	#            collect (list x i commachar s1 s2 s3))))
	#   nil)
	# 
	ok deftest( {
		my @collected;
		my $fn = $*fl.formatter( Q{~@B} );
		for 1 .. 1000 {
			my $x = 2 ** ( 2 + 80.rand.Int );
			my $i = ( ( $x + $x ).rand - $x );
			my $s1 = $*fl.format( Q{~~~d@b}, $i );
			my $s2 = formatter-call-to-string( $fn, $i );
			# XXX convert $s1 to base-10
		}
		@collected;
	}, [ ]
	), Q{format.b.7};
	)

	#`(
	# (deftest format.b.11
	#   (with-standard-io-syntax
	#    (loop for x = (ash 1 (+ 2 (random 80)))
	#          for i = (- (random (+ x x)) x)
	#          for commachar = (random-from-seq +standard-chars+)
	#          for s1 = (format nil "~b" i)
	#          for fmt = (format nil "~~,,'~c:~c" commachar (random-from-seq "bB"))
	#          for s2 = (format nil fmt i)
	#          repeat 1000
	#          unless (and
	#                  (eql (elt s1 0) (elt s2 0))
	#                  (if (< i 0) (eql (elt s1 1) (elt s2 1)) t)
	#                  (let ((len (length s2))
	#                       (ci+1 4)
	#                       (j (if (< i 0) 1 0)))
	#                   (loop for i from (if (< i 0) 2 1) below len
	#                         always (if (= (mod (- len i) ci+1) 0)
	#                                    (eql (elt s2 i) commachar)
	#                                  (eql (elt s1 (incf j)) (elt s2 i))))))
	#          collect (list x i commachar s1 s2)))
	#   nil)
	# 
	ok deftest( {
		my @collected;
		my $fn = $*fl.formatter( Q{~@B} );
		for 1 .. 1000 {
			my $x = 2 ** ( 2 + 80.rand.Int );
			my $i = ( ( $x + $x ).rand - $x );
			my $s1 = $*fl.format( Q{~~~d@b}, $i );
			my $s2 = formatter-call-to-string( $fn, $i );
			# XXX convert $s1 to base-10
		}
		@collected;
	}, [ ]
	), Q{format.b.7};
	)

	#`(
	# (deftest formatter.b.11
	#   (with-standard-io-syntax
	#    (loop for x = (ash 1 (+ 2 (random 80)))
	#          for i = (- (random (+ x x)) x)
	#          for commachar = (random-from-seq +standard-chars+)
	#          for s1 = (format nil "~b" i)
	#          for fmt = (format nil "~~,,'~c:~c" commachar (random-from-seq "bB"))
	#          for fn = (eval `(formatter ,fmt))
	#          for s2 = (formatter-call-to-string fn i)
	#          repeat 100
	#          unless (and
	#                  (eql (elt s1 0) (elt s2 0))
	#                  (if (< i 0) (eql (elt s1 1) (elt s2 1)) t)
	#                  (let ((len (length s2))
	#                       (ci+1 4)
	#                       (j (if (< i 0) 1 0)))
	#                   (loop for i from (if (< i 0) 2 1) below len
	#                         always (if (= (mod (- len i) ci+1) 0)
	#                                    (eql (elt s2 i) commachar)
	#                                  (eql (elt s1 (incf j)) (elt s2 i))))))
	#          collect (list x i commachar s1 s2)))
	#   nil)
	# 
	ok deftest( {
		my @collected;
		my $fn = $*fl.formatter( Q{~@B} );
		for 1 .. 1000 {
			my $x = 2 ** ( 2 + 80.rand.Int );
			my $i = ( ( $x + $x ).rand - $x );
			my $s1 = $*fl.format( Q{~~~d@b}, $i );
			my $s2 = formatter-call-to-string( $fn, $i );
			# XXX convert $s1 to base-10
		}
		@collected;
	}, [ ]
	), Q{format.b.7};
	)

	#`(
	# (deftest format.b.12
	#   (let ((fn (formatter "~,,V,V:b")))
	#     (with-standard-io-syntax
	#      (loop for x = (ash 1 (+ 2 (random 80)))
	#            for i = (- (random (+ x x)) x)
	#            for commachar = (random-from-seq +standard-chars+)
	#            for commaint = (1+ (random 20))
	#            for s1 = (format nil "~b" i)
	#            for s2 = (format nil "~,,v,v:B" commachar commaint i)
	#            for s3 = (formatter-call-to-string fn commachar commaint i)
	#            repeat 1000
	#            unless (and
	#                    (eql (elt s1 0) (elt s2 0))
	#                    (string= s2 s3)
	#                    (if (< i 0) (eql (elt s1 1) (elt s2 1)) t)
	#                    (let ((len (length s2))
	#                          (ci+1 (1+ commaint))
	#                          (j (if (< i 0) 1 0)))
	#                      (loop for i from (if (< i 0) 2 1) below len
	#                            always (if (= (mod (- len i) ci+1) 0)
	#                                       (eql (elt s2 i) commachar)
	#                                     (eql (elt s1 (incf j)) (elt s2 i))))))
	#            collect (list x i commachar s1 s2 s3))))
	#   nil)
	# 
	ok deftest( {
		my @collected;
		my $fn = $*fl.formatter( Q{~@B} );
		for 1 .. 1000 {
			my $x = 2 ** ( 2 + 80.rand.Int );
			my $i = ( ( $x + $x ).rand - $x );
			my $s1 = $*fl.format( Q{~~~d@b}, $i );
			my $s2 = formatter-call-to-string( $fn, $i );
			# XXX convert $s1 to base-10
		}
		@collected;
	}, [ ]
	), Q{format.b.7};
	)

	#`(
	# (deftest format.b.13
	#   (let ((fn (formatter "~,,V,V@:B")))
	#     (with-standard-io-syntax
	#      (loop for x = (ash 1 (+ 2 (random 80)))
	#            for i = (- (random (+ x x)) x)
	#            for commachar = (random-from-seq +standard-chars+)
	#            for commaint = (1+ (random 20))
	#            for s1 = (format nil "~@B" i)
	#            for s2 = (format nil "~,,v,v:@b" commachar commaint i)
	#            for s3 = (formatter-call-to-string fn commachar commaint i)
	#            repeat 1000
	#            unless (and
	#                    (string= s2 s3)
	#                    (eql (elt s1 0) (elt s2 0))
	#                    (eql (elt s1 1) (elt s2 1))
	#                    (let ((len (length s2))
	#                          (ci+1 (1+ commaint))
	#                          (j 1))
	#                      (loop for i from 2 below len
	#                            always (if (= (mod (- len i) ci+1) 0)
	#                                       (eql (elt s2 i) commachar)
	#                                     (eql (elt s1 (incf j)) (elt s2 i))))))
	#            collect (list x i commachar s1 s2 s3))))
	#   nil)
	# 
	ok deftest( {
		my @collected;
		my $fn = $*fl.formatter( Q{~@B} );
		for 1 .. 1000 {
			my $x = 2 ** ( 2 + 80.rand.Int );
			my $i = ( ( $x + $x ).rand - $x );
			my $s1 = $*fl.format( Q{~~~d@b}, $i );
			my $s2 = formatter-call-to-string( $fn, $i );
			# XXX convert $s1 to base-10
		}
		@collected;
	}, [ ]
	), Q{format.b.7};
	)
}, Q{Comma tests};

subtest {
	# (def-format-test format.b.14
	#   "~vb" (nil #b110100) "110100")
	# 
	ok def-format-test(
		Q{~vb}, ( Nil, 0b110100 ), Q{110100}
	), Q{format.b.14};

	# (def-format-test format.b.15
	#   "~6,vB" (nil #b100) "   100")
	# 
	ok def-format-test(
		Q{~6,vB}, ( Nil, 0b100 ), Q{   100}
	), Q{format.b.15};

	#`(
	# (def-format-test format.b.16
	#   "~,,v:b" (nil #b10011) "10,011")
	# 
	ok def-format-test(
		Q{~,,v:b}, ( Nil, 0b10011 ), Q{10,011}
	), Q{format.b.16};
	)

	#`(
	# (def-format-test format.b.17
	#   "~,,'*,v:B" (nil #b10110) "10*110")
	# 
	ok def-format-test(
		Q{~,,'*,v:B}, ( Nil, 0b10110 ), Q{10*110}
	), Q{format.b.17};
	)
}, Q{NIL arguments};

subtest {
	1;
	#`(
	# (deftest format.b.18
	#   (let ((fn (formatter "~b")))
	#     (loop for x in *mini-universe*
	#           for s1 = (format nil "~b" x)
	#           for s2 = (let ((*print-base* 2)) (format nil "~A" x))
	#           for s3 = (formatter-call-to-string fn x)
	#           unless (or (integerp x) (and (string= s1 s2) (string= s1 s3)))
	#           collect (list x s1 s2 s3)))
	#   nil)
	# 
	ok deftest( {
		my @collected;
		my $fn = $*fl.formatter( Q{~b} );
		for @MINI-UNIVERSE -> $x {
			my $s1 = $*fl.format( Q{~b}, $x );
			my $s2 = do {
				my $*PRINT-BASE = 2;
				return $*fl.format( Q{~A}, $x );
			};
			my $s3 = formatter-call-to-string( $fn, $x );
			unless $x ~~ Int or ( $s1 eq $s2 and $s1 eq $s3 ) {
				@collected.append( [ $i