File: test-util.sh

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# source script for ble.sh interactive sessions -*- mode: sh; mode: sh-bash -*-

ble-import lib/core-test

ble/test/start-section 'ble/util' 1275

# bleopt

(
  # 定義・設定・出力
  ble/test 'bleopt a=1' \
           exit=2
  ble/test 'bleopt a' \
           stdout= exit=2
  ble/test 'bleopt a:=2'
  ble/test 'bleopt a' \
           stdout="bleopt a=2"
  ble/test '[[ $bleopt_a == 2 ]]'
  ble/test "bleopt | grep 'bleopt a='" \
           stdout="bleopt a=2"
  ble/test 'bleopt a=3'
  ble/test 'bleopt a' \
           stdout="bleopt a=3"

  # setter
  function bleopt/check:a { value=123; }
  ble/test 'bleopt a=4 && bleopt a'
  stdout="bleopt a=123"
  function bleopt/check:a { return 1; }
  ble/test 'bleopt a=5' \
           exit=1
  ble/test 'bleopt a' \
           stdout="bleopt a=123"

  # 複数引数
  ble/test bleopt f:=10 g:=11
  ble/test bleopt f g \
           stdout="bleopt f=10${_ble_term_nl}bleopt g=11"
  ble/test bleopt f=12 g=13
  ble/test bleopt f g \
           stdout="bleopt f=12${_ble_term_nl}bleopt g=13"

  # bleopt/declare
  ble/test bleopt/declare -v b 6
  ble/test bleopt b stdout="bleopt b=6"
  ble/test bleopt/declare -n c 7
  ble/test bleopt c stdout="bleopt c=7"
  ble/test bleopt d:= e:=
  ble/test bleopt/declare -v d 8
  ble/test bleopt/declare -n e 9
  ble/test bleopt d stdout="bleopt d="
  ble/test bleopt e stdout="bleopt e=9"
)

# ToDo
# bleopt/expand-variable-pattern
# bleopt/reinitialize

# ble/test

ble/test ble/util/setexit 0   exit=0
ble/test ble/util/setexit 1   exit=1
ble/test ble/util/setexit 9   exit=9
ble/test ble/util/setexit 128 exit=128
ble/test ble/util/setexit 255 exit=255

# ble/unlocal

(
  a=1
  function f1 {
    ble/util/print "g:$a"
    local a=2
    ble/util/print "l:$a"
    ble/util/unlocal a
    ble/util/print "g:$a"
    a=3
  }
  ble/test 'f1; ble/util/print "g:$a"' \
           stdout=g:1 \
           stdout=l:2 \
           stdout=g:1 \
           stdout=g:3

  function f2 {
    ble/util/print "f1:$a@f2"
    local a=3
    ble/util/print "f2:$a@f2"
    ble/util/unlocal a
    ble/util/print "f1:$a@f2"
    a=$a+
  }
  function f1 {
    ble/util/print "g:$a@f1"
    local a=2
    ble/util/print "f1:$a@f1"
    f2
    ble/util/print "f1:$a@f1"
    ble/util/unlocal a
    ble/util/print "g:$a@f1"
    a=$a+
  }
  ble/test 'a=1; f1; ble/util/print "g:$a@g"' \
           stdout=g:1@f1 \
           stdout=f1:2@f1 \
           stdout=f1:2@f2 \
           stdout=f2:3@f2 \
           stdout=f1:2@f2 \
           stdout=f1:2+@f1 \
           stdout=g:1@f1 \
           stdout=g:1+@g
)

# ble/util/upvar, ble/util/uparr (Freddy Vulto's trick)

(
  function f1 {
    local a=1 b=2
    local result=$((a+b))
    local "$1" && ble/util/upvar "$1" "$result"
  }
  ble/test 'f1 x; ret=$x' ret=3
  ble/test 'f1 a; ret=$a' ret=3
  ble/test 'f1 result; ret=$result' ret=3

  function f2 {
    local a=1
    local -a b=(2)
    local -a result; result=("$((a+b[0]))" y z)
    local "$1" && ble/util/uparr "$1" "${result[@]}"
  }
  ble/test 'f2 x; ret="(${x[*]})"' ret='(3 y z)'
  ble/test 'f2 a; ret="(${a[*]})"' ret='(3 y z)'
  ble/test 'f2 b; ret="(${b[*]})"' ret='(3 y z)'
  ble/test 'f2 result; ret="(${result[*]})"' ret='(3 y z)'
)

# ble/util/save-vars, restore-vars

(
  varnames=(name x y count data)

  function print-status {
    ble/util/print "name=$name x=$x y=$y count=$count data=(${data[*]})"
  }

  function f1 {
    local "${varnames[@]/%/=}" # WA #D1570 checked

    name=1 x=2 y=3 count=4 data=(aa bb cc dd)
    print-status
    ble/util/save-vars save1_ "${varnames[@]}"

    name=one x= y=A count=1 data=(Q)
    print-status
    ble/util/save-vars save2_ "${varnames[@]}"

    ble/util/restore-vars save1_ "${varnames[@]}"
    print-status

    ble/util/restore-vars save2_ "${varnames[@]}"
    print-status
  }
  ble/test f1 \
           stdout='name=1 x=2 y=3 count=4 data=(aa bb cc dd)' \
           stdout='name=one x= y=A count=1 data=(Q)' \
           stdout='name=1 x=2 y=3 count=4 data=(aa bb cc dd)' \
           stdout='name=one x= y=A count=1 data=(Q)'
)

# ble/variable#get-attr

(
  declare v=1
  declare -i i=1
  export x=2
  builtin readonly r=3
  declare -a a=()
  if ((_ble_bash>=40000)); then
    declare -A A=()
    declare -u u=a
    declare -l l=B
    declare -c c=c
  fi
  if ((_ble_bash>=40300)); then
    declare -n n=r
  fi

  ble/test 'ble/variable#get-attr v; ret=$attr' ret=
  ble/test 'ble/variable#get-attr i; ret=$attr' ret=i
  ble/test 'ble/variable#get-attr x; ret=$attr' ret=x
  ble/test 'ble/variable#get-attr r; ret=$attr' ret=r
  ble/test 'ble/variable#get-attr a; ret=$attr' ret=a
  if ((_ble_bash>=40000)); then
    ble/test 'ble/variable#get-attr u; ret=$attr' ret=u
    ble/test 'ble/variable#get-attr l; ret=$attr' ret=l
    ble/test 'ble/variable#get-attr c; ret=$attr' ret=c
    ble/test 'ble/variable#get-attr A; ret=$attr' ret=A
  fi
  # ((_ble_bash>=40300)) &&
  #   ble/test 'ble/variable#get-attr n; ret=$attr' ret=n

  ble/test 'ble/variable#has-attr i i'
  ble/test 'ble/variable#has-attr x x'
  ble/test 'ble/variable#has-attr r r'
  ble/test 'ble/variable#has-attr a a'
  ble/test 'ble/variable#has-attr v i' exit=1
  ble/test 'ble/variable#has-attr v x' exit=1
  ble/test 'ble/variable#has-attr v r' exit=1
  ble/test 'ble/variable#has-attr v a' exit=1
  if ((_ble_bash>=40000)); then
    ble/test 'ble/variable#has-attr u u'
    ble/test 'ble/variable#has-attr l l'
    ble/test 'ble/variable#has-attr c c'
    ble/test 'ble/variable#has-attr A A'
    ble/test 'ble/variable#has-attr v u' exit=1
    ble/test 'ble/variable#has-attr v l' exit=1
    ble/test 'ble/variable#has-attr v c' exit=1
    ble/test 'ble/variable#has-attr v A' exit=1
  fi
  # if ((_ble_bash>=40300)); then
  #   ble/test 'ble/variable#has-attr n n'
  #   ble/test 'ble/variable#has-attr v n' exit=1
  # fi

  ble/test 'ble/is-inttype i'
  ble/test 'ble/is-inttype v' exit=1
  ble/test 'ble/is-readonly r'
  ble/test 'ble/is-readonly v' exit=1
  if ((_ble_bash>=40000)); then
    ble/test 'ble/is-transformed u'
    ble/test 'ble/is-transformed l'
    ble/test 'ble/is-transformed c'
    ble/test 'ble/is-transformed v' exit=1
  fi
)

# ble/variable#is-global
function is-global { (builtin readonly "$1"; ! local "$1" 2>/dev/null); }
(
  v1=1 v2=2
  ((_ble_bash>=40200)) &&
    declare -g v1u v2u
  function f1 {
    local v2=22 v3=33
    local v2u v3u
    f2
  }
  function f2 {
    local v4=444 v4u
    ble/test 'is-global v0'
    ble/test 'is-global v1'
    ble/test 'is-global v2' exit=1
    ble/test 'is-global v3' exit=1
    ble/test 'is-global v4' exit=1

    ble/test 'ble/variable#is-global v0'
    ble/test 'ble/variable#is-global v1'
    ble/test 'ble/variable#is-global v2' exit=1
    ble/test 'ble/variable#is-global v3' exit=1
    ble/test 'ble/variable#is-global v4' exit=1

    ble/test 'ble/variable#is-global v0u'
    if ((_ble_bash>=40200)); then
      ble/test 'ble/variable#is-global v1u'
      ble/test 'ble/variable#is-global v2u' exit=1
    fi
    ble/test 'ble/variable#is-global v3u' exit=1
    ble/test 'ble/variable#is-global v4u' exit=1
  }
  f1
)

# ToDo
# ble/variable#copy-state

# _ble_array_prototype
(
  _ble_array_prototype=()
  ble/test 'echo "${#_ble_array_prototype[@]}"' stdout=0
  ble/array#reserve-prototype 10
  ble/test 'echo "${#_ble_array_prototype[@]}"' stdout=10
  ble/test 'x=("${_ble_array_prototype[@]::10}"); echo "${#x[@]}"' stdout=10
  ble/array#reserve-prototype 3
  ble/test 'echo "${#_ble_array_prototype[@]}"' stdout=10
  ble/test 'x=("${_ble_array_prototype[@]::3}"); echo "${#x[@]}"' stdout=3
)

# ble/is-{array,assoc}
(
  declare -a a=()
  declare b=
  ble/test 'ble/is-array a'
  ble/test 'ble/is-array b' exit=1
  ble/test 'ble/is-array c' exit=1

  if ((_ble_bash>=40000)); then
    declare -A A=()
    ble/test 'ble/is-array A' exit=1
    ble/test 'ble/is-assoc a' exit=1
    ble/test 'ble/is-assoc A'
    ble/test 'ble/is-assoc b' exit=1
    ble/test 'ble/is-assoc c' exit=1
  fi
)

# ble/array#set
(
  ble/test 'ble/array#set a; echo "${#a[@]}:(${a[*]})"' stdout='0:()'
  ble/test 'ble/array#set a Q; echo "${#a[@]}:(${a[*]})"' stdout='1:(Q)'
  ble/test 'ble/array#set a 1 2 3; echo "${#a[@]}:(${a[*]})"' stdout='3:(1 2 3)'
  ble/test 'ble/array#set a; echo "${#a[@]}:(${a[*]})"' stdout='0:()'
)

# ble/array#push
(
  declare -a a=()
  ble/array#push a
  ble/test 'echo "${#a[@]}:(${a[*]})"' stdout='0:()'
  ble/array#push a A
  ble/test 'echo "${#a[@]}:(${a[*]})"' stdout='1:(A)'
  ble/array#push a B C
  ble/test 'echo "${#a[@]}:(${a[*]})"' stdout='3:(A B C)'
  ble/array#push a
  ble/test 'echo "${#a[@]}:(${a[*]})"' stdout='3:(A B C)'
)

# ble/array#pop
(
  function result { ble/util/print "$ret:${#arr[*]}:(${arr[*]})"; }
  ble/test 'arr=()     ; ble/array#pop arr; result' stdout=':0:()'
  ble/test 'arr=(1)    ; ble/array#pop arr; result' stdout='1:0:()'
  ble/test 'arr=(1 2)  ; ble/array#pop arr; result' stdout='2:1:(1)'
  ble/test 'arr=(0 0 0); ble/array#pop arr; result' stdout='0:2:(0 0)'
  ble/test 'arr=(1 2 3); ble/array#pop arr; result' stdout='3:2:(1 2)'
  ble/test 'arr=(" a a " " b b " " c c "); ble/array#pop arr; result' \
           stdout=' c c :2:( a a   b b )'
)

# ble/array#unshift
(
  function status { ble/util/print "${#a[@]}:(${a[*]})"; }
  a=()
  ble/array#unshift a
  ble/test status stdout='0:()'
  ble/array#unshift a A
  ble/test status stdout='1:(A)'
  ble/array#unshift a
  ble/test status stdout='1:(A)'
  ble/array#unshift a B
  ble/test status stdout='2:(B A)'
  ble/array#unshift a C D E
  ble/test status stdout='5:(C D E B A)'
  a=()
  ble/array#unshift a A B
  ble/test status stdout='2:(A B)'
)

# ble/array#reverse
(
  function status { ble/util/print "${#a[@]}:(${a[*]})"; }
  a=(); ble/array#reverse a
  ble/test status stdout='0:()'
  a=(1); ble/array#reverse a
  ble/test status stdout='1:(1)'
  a=(xy zw); ble/array#reverse a
  ble/test status stdout='2:(zw xy)'
  a=(a 3 x); ble/array#reverse a
  ble/test status stdout='3:(x 3 a)'
  a=({1..10}) b=({10..1}); ble/array#reverse a
  ble/test status stdout="10:(${b[*]})"
  a=({1..9}) b=({9..1}); ble/array#reverse a
  ble/test status stdout="9:(${b[*]})"
)

# ble/array#insert-at
(
  function status { ble/util/print "${#a[@]}:(${a[*]})"; }
  a=(); ble/array#insert-at a 0 A B C
  ble/test status stdout='3:(A B C)'
  a=(); ble/array#insert-at a 1 A B C
  ble/test status stdout='3:(A B C)'
  a=(x y z); ble/array#insert-at a 0 A
  ble/test status stdout='4:(A x y z)'
  a=(x y z); ble/array#insert-at a 1 A
  ble/test status stdout='4:(x A y z)'
  a=(x y z); ble/array#insert-at a 3 A
  ble/test status stdout='4:(x y z A)'
  a=(x y z); ble/array#insert-at a 0 A B C
  ble/test status stdout='6:(A B C x y z)'
  a=(x y z); ble/array#insert-at a 1 A B C
  ble/test status stdout='6:(x A B C y z)'
  a=(x y z); ble/array#insert-at a 3 A B C
  ble/test status stdout='6:(x y z A B C)'
  a=(x y z); ble/array#insert-at a 0
  ble/test status stdout='3:(x y z)'
  a=(x y z); ble/array#insert-at a 1
  ble/test status stdout='3:(x y z)'
  a=(x y z); ble/array#insert-at a 3
  ble/test status stdout='3:(x y z)'
)

# ble/array#insert-after
(
  function status { ble/util/print "${#a[@]}:(${a[*]})"; }
  a=(hello world hello world)
  ble/array#insert-after a hello 1 2 3
  ble/test status stdout='7:(hello 1 2 3 world hello world)'
  a=(heart world hello world)
  ble/array#insert-after a hello 1 2 3
  ble/test status stdout='7:(heart world hello 1 2 3 world)'
  a=(hello world hello world)
  ble/test 'ble/array#insert-after a check 1 2 3' exit=1
  ble/test status stdout='4:(hello world hello world)'
)

# ble/array#insert-before
(
  function status { ble/util/print "${#a[@]}:(${a[*]})"; }
  a=(hello world this)
  ble/array#insert-before a this with check
  ble/test status stdout='5:(hello world with check this)'
  a=(hello world this)
  ble/test 'ble/array#insert-before a haystack kick check' exit=1
  ble/test status stdout='3:(hello world this)'
)

# ble/array#remove
(
  function status { ble/util/print "${#a[@]}:(${a[*]})"; }
  a=(xxx yyy xxx yyy yyy xxx fdsa fdsa)
  ble/array#remove a xxx
  ble/test status stdout='5:(yyy yyy yyy fdsa fdsa)'
  a=(aa aa aa aa aa)
  ble/array#remove a bb
  ble/test status stdout='5:(aa aa aa aa aa)'
  ble/array#remove a aa
  ble/test status stdout='0:()'
  ble/array#remove a cc
  ble/test status stdout='0:()'
)

# ble/array#index
(
  a=(hello world this hello world)
  ble/test 'ble/array#index a hello' ret=0
  a=(world hep this hello world)
  ble/test 'ble/array#index a hello' ret=3
  a=(hello world this hello world)
  ble/test 'ble/array#index a check' ret=-1
)

# ble/array#last-index
(
  a=(hello world this hello world)
  ble/test 'ble/array#last-index a hello' ret=3
  a=(world hep this hello world)
  ble/test 'ble/array#last-index a hello' ret=3
  a=(hello world this hello world)
  ble/test 'ble/array#last-index a check' ret=-1
)

# ble/array#remove-at
(
  function status { ble/util/print "${#a[@]}:(${a[*]})"; }
  a=()
  ble/test 'ble/array#remove-at a 0; status' stdout='0:()'
  ble/test 'ble/array#remove-at a 10; status' stdout='0:()'
  a=(x y z)
  ble/test 'ble/array#remove-at a 4; status' stdout='3:(x y z)'
  ble/test 'ble/array#remove-at a 3; status' stdout='3:(x y z)'
  ble/test 'ble/array#remove-at a 1; status' stdout='2:(x z)'
  ble/test 'ble/array#remove-at a 0; status' stdout='1:(z)'
  ble/test 'ble/array#remove-at a 0; status' stdout='0:()'
  a=({a..z}) a1=({a..y}) a2=({b..y}) a3=({b..h} {j..y})
  ble/test 'ble/array#remove-at a 25; status' stdout="25:(${a1[*]})"
  ble/test 'ble/array#remove-at a 0; status' stdout="24:(${a2[*]})"
  ble/test 'ble/array#remove-at a 7; status' stdout="23:(${a3[*]})"
)
# ble/array#map-prefix
(
  function status { ble/util/print "${#a[@]}:(${a[*]})"; }
  a=(); ble/test 'ble/array#map-prefix a hello; status' stdout='0:()'
  a=(); ble/test 'ble/array#map-suffix a hello; status' stdout='0:()'
  a=(); ble/test 'ble/array#map-prefix a ""; status' stdout='0:()'
  a=(); ble/test 'ble/array#map-suffix a ""; status' stdout='0:()'
  a=(''); ble/test 'ble/array#map-prefix a hello; status' stdout='1:(hello)'
  a=(''); ble/test 'ble/array#map-suffix a hello; status' stdout='1:(hello)'
  a=(''); ble/test 'ble/array#map-prefix a ""; status' stdout='1:()'
  a=(''); ble/test 'ble/array#map-suffix a ""; status' stdout='1:()'
  a=('' ''); ble/test 'ble/array#map-prefix a hello; status' stdout='2:(hello hello)'
  a=('' ''); ble/test 'ble/array#map-suffix a hello; status' stdout='2:(hello hello)'
  a=('' ''); ble/test 'ble/array#map-prefix a ""; status' stdout='2:( )'
  a=('' ''); ble/test 'ble/array#map-suffix a ""; status' stdout='2:( )'
  a=(ABC DEF); ble/test 'ble/array#map-prefix a hello; status' stdout='2:(helloABC helloDEF)'
  a=(ABC DEF); ble/test 'ble/array#map-suffix a hello; status' stdout='2:(ABChello DEFhello)'
  a=(ABC DEF); ble/test 'ble/array#map-prefix a ""; status' stdout='2:(ABC DEF)'
  a=(ABC DEF); ble/test 'ble/array#map-suffix a ""; status' stdout='2:(ABC DEF)'
  unset -v a; ble/test 'ble/array#map-prefix a hello; status' stdout='0:()'
  unset -v a; ble/test 'ble/array#map-suffix a hello; status' stdout='0:()'
  unset -v a; ble/test 'ble/array#map-prefix a ""; status' stdout='0:()'
  unset -v a; ble/test 'ble/array#map-suffix a ""; status' stdout='0:()'
  unset -v a; a=ABC; ble/test 'ble/array#map-prefix a hello; status' stdout='1:(helloABC)'
  unset -v a; a=ABC; ble/test 'ble/array#map-suffix a hello; status' stdout='1:(ABChello)'
  unset -v a; a=ABC; ble/test 'ble/array#map-prefix a ""; status' stdout='1:(ABC)'
  unset -v a; a=ABC; ble/test 'ble/array#map-suffix a ""; status' stdout='1:(ABC)'
)
# ble/array#fill-range
(
  function status { ble/util/print "${#a[@]}:(${a[*]})"; }
  a=(1 2 3 4 5)
  ble/test 'ble/array#fill-range a 2 4 x; status' stdout='5:(1 2 x x 5)'
  a=(1 2 3 4 5)
  ble/test 'ble/array#fill-range a 2 4 ""; status' stdout='5:(1 2   5)'
  a=(1 2 3 4 5)
  ble/test 'ble/array#fill-range a 2 3 x; status' stdout='5:(1 2 x 4 5)'
  a=(1 2 3 4 5)
  ble/test 'ble/array#fill-range a 2 3 ""; status' stdout='5:(1 2  4 5)'

  a=(1 2 3 4 5)
  ((_ble_bash>=40300)) && shopt -u compat42
  ble/test 'ble/array#fill-range a 1 4 "A&B"; status' stdout='5:(1 A&B A&B A&B 5)'
  a=(1 2 3 4 5)
  ((_ble_bash>=40300)) && shopt -s compat42
  ble/test 'ble/array#fill-range a 1 4 "A&B"; status' stdout='5:(1 A&B A&B A&B 5)'
)

# ble/string#reserve-prototype
(
  _ble_string_prototype='        '
  ble/test 'echo "${#_ble_string_prototype}"' stdout=8
  ble/string#reserve-prototype 10
  ble/test 'echo "${#_ble_string_prototype}"' stdout=16
  ble/test 'x=${_ble_string_prototype::10}; echo "${#x}"' stdout=10
  ble/string#reserve-prototype 3
  ble/test 'echo "${#_ble_string_prototype}"' stdout=16
  ble/test 'x=${_ble_string_prototype::3}; echo "${#x}"' stdout=3
  ble/string#reserve-prototype 77
  ble/test 'echo "${#_ble_string_prototype}"' stdout=128
  ble/test 'x=${_ble_string_prototype::77}; echo "${#x}"' stdout=77
)

# ble/string#repeat
(
  ble/test 'ble/string#repeat' ret=
  ble/test 'ble/string#repeat ""' ret=
  ble/test 'ble/string#repeat a' ret=
  ble/test 'ble/string#repeat abc' ret=
  ble/test 'ble/string#repeat "" ""' ret=
  ble/test 'ble/string#repeat a ""' ret=
  ble/test 'ble/string#repeat abc ""' ret=
  ble/test 'ble/string#repeat "" 0' ret=
  ble/test 'ble/string#repeat a 0' ret=
  ble/test 'ble/string#repeat abc 0' ret=
  ble/test 'ble/string#repeat "" 1' ret=
  ble/test 'ble/string#repeat "" 10' ret=

  ble/test 'ble/string#repeat a 1' ret=a
  ble/test 'ble/string#repeat a 2' ret=aa
  ble/test 'ble/string#repeat a 5' ret=aaaaa
  ble/test 'ble/string#repeat abc 1' ret=abc
  ble/test 'ble/string#repeat abc 2' ret=abcabc
  ble/test 'ble/string#repeat abc 5' ret=abcabcabcabcabc
  ble/test 'ble/string#repeat ";&|<>" 5' ret=';&|<>;&|<>;&|<>;&|<>;&|<>'
)

# ToDo
# ble/array#shift
# ble/array#filter
# ble/array#remove-if
# ble/array#filter-by-regex
# ble/array#remove-by-regex
# ble/array#filter-by-glob
# ble/array#remove-by-glob
# ble/idict#replace
# ble/idict#copy

# ble/string#common-prefix
(
  ble/test 'ble/string#common-prefix' ret=
  ble/test 'ble/string#common-prefix ""' ret=
  ble/test 'ble/string#common-prefix a' ret=
  ble/test 'ble/string#common-prefix "" ""' ret=
  ble/test 'ble/string#common-prefix a ""' ret=
  ble/test 'ble/string#common-prefix a b' ret=
  ble/test 'ble/string#common-prefix a a' ret=a
  ble/test 'ble/string#common-prefix abc abc' ret=abc
  ble/test 'ble/string#common-prefix abc aaa' ret=a
  ble/test 'ble/string#common-prefix abc ccc' ret=
  ble/test 'ble/string#common-prefix abc xyz' ret=
)

# ble/string#common-suffix
(
  ble/test 'ble/string#common-suffix' ret=
  ble/test 'ble/string#common-suffix ""' ret=
  ble/test 'ble/string#common-suffix a' ret=
  ble/test 'ble/string#common-suffix "" ""' ret=
  ble/test 'ble/string#common-suffix a ""' ret=
  ble/test 'ble/string#common-suffix a b' ret=
  ble/test 'ble/string#common-suffix a a' ret=a
  ble/test 'ble/string#common-suffix abc abc' ret=abc
  ble/test 'ble/string#common-suffix abc aaa' ret=
  ble/test 'ble/string#common-suffix abc ccc' ret=c
  ble/test 'ble/string#common-suffix abc xyz' ret=
)

# ble/string#split
(
  function status { ble/util/print "${#a[@]}:(""${a[*]}"")"; }
  nl=$'\n'
  ble/test 'ble/string#split a , ""  ; status' stdout='1:()'
  ble/test 'ble/string#split a , "1"  ; status' stdout='1:(1)'
  ble/test 'ble/string#split a , ","  ; status' stdout='2:( )'
  ble/test 'ble/string#split a , "1,"  ; status' stdout='2:(1 )'
  ble/test 'ble/string#split a , ",2"  ; status' stdout='2:( 2)'
  ble/test 'ble/string#split a , "1,,3"  ; status' stdout='3:(1  3)'
  ble/test 'ble/string#split a , "1,2,3"  ; status' stdout='3:(1 2 3)'
  ble/test 'ble/string#split a " " "1 2 3"; status' stdout='3:(1 2 3)'
  ble/test 'ble/string#split a " " "1	2	3"; status' stdout='1:(1	2	3)'
  ble/test 'ble/string#split a " " "1'"$nl"'2'"$nl"'3"; status' stdout="1:(1${nl}2${nl}3)"
)

# ble/string#split-words
(
  function status { ble/util/print "${#a[@]}:(${a[*]})"; }
  nl=$'\n' ht=$'\t'
  ble/test 'ble/string#split-words a ""  ; status' stdout='0:()'
  ble/test 'ble/string#split-words a "1"  ; status' stdout='1:(1)'
  ble/test 'ble/string#split-words a " "  ; status' stdout='0:()'
  ble/test 'ble/string#split-words a "1 "  ; status' stdout='1:(1)'
  ble/test 'ble/string#split-words a " 2"  ; status' stdout='1:(2)'
  ble/test 'ble/string#split-words a "1  3"  ; status' stdout='2:(1 3)'
  ble/test 'ble/string#split-words a "1 2 3"; status' stdout='3:(1 2 3)'
  ble/test 'ble/string#split-words a "  1'"$ht"'2'"$ht"'3  "; status' stdout='3:(1 2 3)'
  ble/test 'ble/string#split-words a "  1'"$nl"'2'"$nl"'3  "; status' stdout='3:(1 2 3)'
)

# ble/string#split-lines
(
  function status { ble/util/print "${#a[@]}:(""${a[*]}"")"; }
  nl=$'\n' ht=$'\t'
  ble/test 'ble/string#split-lines a ""  ; status' stdout='1:()'
  ble/test 'ble/string#split-lines a "1"  ; status' stdout='1:(1)'
  ble/test 'ble/string#split-lines a "'"$nl"'"  ; status' stdout='2:( )'
  ble/test 'ble/string#split-lines a "1'"$nl"'"  ; status' stdout='2:(1 )'
  ble/test 'ble/string#split-lines a "'"$nl"'2"  ; status' stdout='2:( 2)'
  ble/test 'ble/string#split-lines a "1'"$nl$nl"'3"  ; status' stdout='3:(1  3)'
  ble/test 'ble/string#split-lines a "1'"$nl"'2'"$nl"'3"; status' stdout='3:(1 2 3)'
  ble/test 'ble/string#split-lines a "1'"$ht"'2'"$ht"'3"; status' stdout="1:(1${ht}2${ht}3)"
  ble/test 'ble/string#split-lines a "1 2 3"; status' stdout="1:(1 2 3)"
)

# ble/string#count-char
(
  #UB: ble/test 'ble/string#count-char hello' ret=5
  ble/test 'ble/string#count-char hello a' ret=0
  ble/test 'ble/string#count-char hello あ' ret=0
  ble/test 'ble/string#count-char hello e' ret=1
  ble/test 'ble/string#count-char hello l' ret=2
  ble/test 'ble/string#count-char hello olh' ret=4
  ble/test 'ble/string#count-char hello hello' ret=5
  ble/test 'ble/string#count-char "" a' ret=0
  ble/test 'ble/string#count-char "" ab' ret=0
)

# ble/string#count-string
(
  ble/test 'ble/string#count-string hello a' ret=0
  ble/test 'ble/string#count-string hello あ' ret=0
  ble/test 'ble/string#count-string hello ee' ret=0
  ble/test 'ble/string#count-string hello e' ret=1
  ble/test 'ble/string#count-string hello l' ret=2
  ble/test 'ble/string#count-string hello ll' ret=1
  ble/test 'ble/string#count-string hello hello' ret=1
  ble/test 'ble/string#count-string "" a' ret=0
  ble/test 'ble/string#count-string "" ab' ret=0
  ble/test 'ble/string#count-string ababababa aba' ret=2
)

# ble/string#index-of
(
  ble/test 'ble/string#index-of hello a' ret=-1
  ble/test 'ble/string#index-of hello あ' ret=-1
  ble/test 'ble/string#index-of hello ee' ret=-1
  ble/test 'ble/string#index-of hello e' ret=1
  ble/test 'ble/string#index-of hello l' ret=2
  ble/test 'ble/string#index-of hello ll' ret=2
  ble/test 'ble/string#index-of hello hello' ret=0
  ble/test 'ble/string#index-of "" a' ret=-1
  ble/test 'ble/string#index-of "" ab' ret=-1
  ble/test 'ble/string#index-of ababababa aba' ret=0
)

# ble/string#last-index-of
(
  ble/test 'ble/string#last-index-of hello a' ret=-1
  ble/test 'ble/string#last-index-of hello あ' ret=-1
  ble/test 'ble/string#last-index-of hello ee' ret=-1
  ble/test 'ble/string#last-index-of hello e' ret=1
  ble/test 'ble/string#last-index-of hello l' ret=3
  ble/test 'ble/string#last-index-of hello ll' ret=2
  ble/test 'ble/string#last-index-of hello hello' ret=0
  ble/test 'ble/string#last-index-of "" a' ret=-1
  ble/test 'ble/string#last-index-of "" ab' ret=-1
  ble/test 'ble/string#last-index-of ababababa aba' ret=6
)

# ble/string#{toggle-case,tolower,toupper,capitalize}
(
  ble/test 'ble/string#toggle-case' ret=
  ble/test 'ble/string#tolower    ' ret=
  ble/test 'ble/string#toupper    ' ret=
  ble/test 'ble/string#capitalize ' ret=
  ble/test 'ble/string#toggle-case ""' ret=
  ble/test 'ble/string#tolower     ""' ret=
  ble/test 'ble/string#toupper     ""' ret=
  ble/test 'ble/string#capitalize  ""' ret=
  ble/test 'ble/string#toggle-case a' ret=A
  ble/test 'ble/string#tolower     a' ret=a
  ble/test 'ble/string#toupper     a' ret=A
  ble/test 'ble/string#capitalize  a' ret=A
  ble/test 'ble/string#toggle-case あ' ret=あ
  ble/test 'ble/string#tolower     あ' ret=あ
  ble/test 'ble/string#toupper     あ' ret=あ
  ble/test 'ble/string#capitalize  あ' ret=あ
  ble/test 'ble/string#toggle-case +' ret=+
  ble/test 'ble/string#tolower     +' ret=+
  ble/test 'ble/string#toupper     +' ret=+
  ble/test 'ble/string#capitalize  +' ret=+
  ble/test 'ble/string#toggle-case abc' ret=ABC
  ble/test 'ble/string#tolower     abc' ret=abc
  ble/test 'ble/string#toupper     abc' ret=ABC
  ble/test 'ble/string#capitalize  abc' ret=Abc
  ble/test 'ble/string#toggle-case ABC' ret=abc
  ble/test 'ble/string#tolower     ABC' ret=abc
  ble/test 'ble/string#toupper     ABC' ret=ABC
  ble/test 'ble/string#capitalize  ABC' ret=Abc
  ble/test 'ble/string#toggle-case aBc' ret=AbC
  ble/test 'ble/string#tolower     aBc' ret=abc
  ble/test 'ble/string#toupper     aBc' ret=ABC
  ble/test 'ble/string#capitalize  aBc' ret=Abc
  ble/test 'ble/string#toggle-case +aBc' ret=+AbC
  ble/test 'ble/string#tolower     +aBc' ret=+abc
  ble/test 'ble/string#toupper     +aBc' ret=+ABC
  ble/test 'ble/string#capitalize  +aBc' ret=+Abc
  ble/test 'ble/string#capitalize  "hello world"' ret='Hello World'

  LC_ALL=en_US.utf8
  ble/test 'ble/string#toggle-case +aBc' ret=+AbC
  ble/test 'ble/string#tolower     +aBc' ret=+abc
  ble/test 'ble/string#toupper     +aBc' ret=+ABC
  ble/test 'ble/string#capitalize  +aBc' ret=+Abc
  ble/test 'ble/string#capitalize  "hello world"' ret='Hello World'
)

# ble/string#{trim,ltrim,rtrim}
(
  ble/test 'ble/string#trim ' ret=
  ble/test 'ble/string#ltrim' ret=
  ble/test 'ble/string#rtrim' ret=
  ble/test 'ble/string#trim  ""' ret=
  ble/test 'ble/string#ltrim ""' ret=
  ble/test 'ble/string#rtrim ""' ret=
  ble/test 'ble/string#trim  "a"' ret=a
  ble/test 'ble/string#ltrim "a"' ret=a
  ble/test 'ble/string#rtrim "a"' ret=a
  ble/test 'ble/string#trim  " a "' ret=a
  ble/test 'ble/string#ltrim " a "' ret='a '
  ble/test 'ble/string#rtrim " a "' ret=' a'
  ble/test 'ble/string#trim  " a b "' ret='a b'
  ble/test 'ble/string#ltrim " a b "' ret='a b '
  ble/test 'ble/string#rtrim " a b "' ret=' a b'
  ble/test 'ble/string#trim  "abc"' ret='abc'
  ble/test 'ble/string#ltrim "abc"' ret='abc'
  ble/test 'ble/string#rtrim "abc"' ret='abc'
  ble/test 'ble/string#trim  "  abc  "' ret='abc'
  ble/test 'ble/string#ltrim "  abc  "' ret='abc  '
  ble/test 'ble/string#rtrim "  abc  "' ret='  abc'
  for pad in $' \t\n \t\n' $'\t\t\t' $'\n\n\n'; do
    ble/test 'ble/string#trim  "'"$pad"'abc'"$pad"'"' ret='abc'
    ble/test 'ble/string#ltrim "'"$pad"'abc'"$pad"'"' ret="abc${pad}"
    ble/test 'ble/string#rtrim "'"$pad"'abc'"$pad"'"' ret="${pad}abc"
  done
)

# ble/string#escape-characters
(
  ble/test 'ble/string#escape-characters hello' ret=hello
  ble/test 'ble/string#escape-characters hello ""' ret=hello
  ble/test 'ble/string#escape-characters hello xyz' ret=hello
  ble/test 'ble/string#escape-characters hello el' ret='h\e\l\lo'
  ble/test 'ble/string#escape-characters hello hl XY' ret='\Xe\Y\Yo'

  # regex
  ble/test 'ble/string#escape-for-sed-regex      "A\.[*?+|^\$(){}/"' \
           ret='A\\\.\[\*?+|\^\$(){}\/'
  ble/test 'ble/string#escape-for-awk-regex      "A\.[*?+|^\$(){}/"' \
           ret='A\\\.\[\*\?\+\|\^\$\(\)\{\}\/'
  ble/test 'ble/string#escape-for-extended-regex "A\.[*?+|^\$(){}/"' \
           ret='A\\\.\[\*\?\+\|\^\$\(\)\{\}/'

  # bash
  ble/test 'ble/string#escape-for-bash-glob "A\*?[("' ret='A\\\*\?\[\('
  ble/test 'ble/string#escape-for-bash-single-quote "A'\''B"' ret="A'\''B"
  ble/test 'ble/string#escape-for-bash-double-quote "hello \$ \` \\ ! world"' ret='hello \$ \` \\ "\!" world'
  input=A$'\\\a\b\e\f\n\r\t\v'\'B output=A'\\\a\b\e\f\n\r\t\v\'\'B
  ble/test 'ble/string#escape-for-bash-escape-string "$input"' ret="$output"
  ble/test 'ble/string#escape-for-bash-specialchars "[hello] (world) {this,is} <test>"' \
           ret='\[hello\]\ \(world\)\ {this,is}\ \<test\>'
  ble/test 'ble/string#escape-for-bash-specialchars "[hello] (world) {this,is} <test>" b' \
           ret='\[hello\]\ \(world\)\ \{this\,is\}\ \<test\>'
  ble/test 'ble/string#escape-for-bash-specialchars "a=b:c:d" c' \
           ret='a\=b\:c\:d'
  ble/test $'ble/string#escape-for-bash-specialchars "a\tb\tc"' \
           ret=$'a\\\tb\\\tc'
)

# ToDo
# ble/string#escape-for-display
# ble/string#quote-words
# ble/string#match

# ble/string#quote-command, ble/util/print-quoted-command
(
  ble/test 'ble/string#quote-command' ret=
  ble/test 'ble/string#quote-command echo' ret='echo'
  ble/test 'ble/string#quote-command echo hello world' ret="echo 'hello' 'world'"
  ble/test 'ble/string#quote-command echo "hello world"' ret="echo 'hello world'"
  ble/test 'ble/string#quote-command echo "'\''test'\''"' ret="echo ''\''test'\'''"
  ble/test 'ble/string#quote-command echo "" "" ""' ret="echo '' '' ''"
  ble/test 'ble/string#quote-command echo a{1..4}' ret="echo 'a1' 'a2' 'a3' 'a4'"

  ble/test 'ble/util/print-quoted-command' stdout=
  ble/test 'ble/util/print-quoted-command echo' stdout='echo'
  ble/test 'ble/util/print-quoted-command echo hello world' stdout="echo 'hello' 'world'"
  ble/test 'ble/util/print-quoted-command echo "hello world"' stdout="echo 'hello world'"
  ble/test 'ble/util/print-quoted-command echo "'\''test'\''"' stdout="echo ''\''test'\'''"
  ble/test 'ble/util/print-quoted-command echo "" "" ""' stdout="echo '' '' ''"
  ble/test 'ble/util/print-quoted-command echo a{1..4}' stdout="echo 'a1' 'a2' 'a3' 'a4'"
)
# ble/string#quote-word
(
  ble/test 'ble/string#quote-word' ret=
  ble/test 'ble/string#quote-word echo' ret='echo'
  ble/test 'ble/string#quote-word "hello world"' ret="'hello world'"
  ble/test 'ble/string#quote-word "'\''test'\''"' ret="\'test\'"
  ble/test 'ble/string#quote-word "a'\''b'\''c"' ret="a\'b\'c"
)

# ble/string#create-unicode-progress-bar
(
  ble/test 'ble/string#create-unicode-progress-bar  0 24 3' ret='   '
  ble/test 'ble/string#create-unicode-progress-bar  1 24 3' ret='▏  '
  ble/test 'ble/string#create-unicode-progress-bar  2 24 3' ret='▎  '
  ble/test 'ble/string#create-unicode-progress-bar  3 24 3' ret='▍  '
  ble/test 'ble/string#create-unicode-progress-bar  4 24 3' ret='▌  '
  ble/test 'ble/string#create-unicode-progress-bar  5 24 3' ret='▋  '
  ble/test 'ble/string#create-unicode-progress-bar  6 24 3' ret='▊  '
  ble/test 'ble/string#create-unicode-progress-bar  7 24 3' ret='▉  '
  ble/test 'ble/string#create-unicode-progress-bar  8 24 3' ret='█  '
  ble/test 'ble/string#create-unicode-progress-bar  9 24 3' ret='█▏ '
  ble/test 'ble/string#create-unicode-progress-bar 15 24 3' ret='█▉ '
  ble/test 'ble/string#create-unicode-progress-bar 16 24 3' ret='██ '
  ble/test 'ble/string#create-unicode-progress-bar 17 24 3' ret='██▏'
  ble/test 'ble/string#create-unicode-progress-bar 24 24 3' ret='███'
  ble/test 'ble/string#create-unicode-progress-bar  0 24 4 unlimited' ret=$'█   '
  ble/test 'ble/string#create-unicode-progress-bar  1 24 4 unlimited' ret=$'\e[7m▏\e[27m▏  '
  ble/test 'ble/string#create-unicode-progress-bar  2 24 4 unlimited' ret=$'\e[7m▎\e[27m▎  '
  ble/test 'ble/string#create-unicode-progress-bar  3 24 4 unlimited' ret=$'\e[7m▍\e[27m▍  '
  ble/test 'ble/string#create-unicode-progress-bar  4 24 4 unlimited' ret=$'\e[7m▌\e[27m▌  '
  ble/test 'ble/string#create-unicode-progress-bar  5 24 4 unlimited' ret=$'\e[7m▋\e[27m▋  '
  ble/test 'ble/string#create-unicode-progress-bar  6 24 4 unlimited' ret=$'\e[7m▊\e[27m▊  '
  ble/test 'ble/string#create-unicode-progress-bar  7 24 4 unlimited' ret=$'\e[7m▉\e[27m▉  '
  ble/test 'ble/string#create-unicode-progress-bar  8 24 4 unlimited' ret=$' █  '
  ble/test 'ble/string#create-unicode-progress-bar  9 24 4 unlimited' ret=$' \e[7m▏\e[27m▏ '
  ble/test 'ble/string#create-unicode-progress-bar 15 24 4 unlimited' ret=$' \e[7m▉\e[27m▉ '
  ble/test 'ble/string#create-unicode-progress-bar 16 24 4 unlimited' ret=$'  █ '
  ble/test 'ble/string#create-unicode-progress-bar 17 24 4 unlimited' ret=$'  \e[7m▏\e[27m▏'
  ble/test 'ble/string#create-unicode-progress-bar 24 24 4 unlimited' ret=$'█   '
)

# ble/util/strlen
(
  ble/test 'ble/util/strlen' ret=0
  ble/test 'ble/util/strlen ""' ret=0
  ble/test 'ble/util/strlen a' ret=1
  ble/test 'ble/util/strlen abc' ret=3
  ble/test 'ble/util/strlen α' ret=2
  ble/test 'ble/util/strlen αβγ' ret=6
  ble/test 'ble/util/strlen あ' ret=3
  ble/test 'ble/util/strlen あいう' ret=9
  ble/test 'ble/util/strlen aα' ret=3
  ble/test 'ble/util/strlen aαあ' ret=6

  LC_ALL=en_US.utf8
  ble/test 'ble/util/strlen a' ret=1
  ble/test 'ble/util/strlen α' ret=2
  ble/test 'ble/util/strlen あ' ret=3
)

# ble/util/substr
(
  ble/test 'ble/util/substr' ret=
  ble/test 'ble/util/substr ""' ret=
  ble/test 'ble/util/substr a' ret=
  ble/test 'ble/util/substr "" 0' ret=
  ble/test 'ble/util/substr "" 1' ret=
  ble/test 'ble/util/substr a 0' ret=
  ble/test 'ble/util/substr a 1' ret=
  ble/test 'ble/util/substr a 2' ret=
  ble/test 'ble/util/substr "" 0 0' ret=
  ble/test 'ble/util/substr "" 0 1' ret=
  ble/test 'ble/util/substr "" 1 1' ret=
  ble/test 'ble/util/substr a 0 0' ret=
  ble/test 'ble/util/substr a 1 0' ret=
  ble/test 'ble/util/substr a 0 1' ret=a
  ble/test 'ble/util/substr a 1 1' ret=
  ble/test 'ble/util/substr abc 1 0' ret=
  ble/test 'ble/util/substr abc 1 1' ret=b
  ble/test 'ble/util/substr abc 1 2' ret=bc
  ble/test 'ble/util/substr abc 0 0' ret=
  ble/test 'ble/util/substr abc 0 1' ret=a
  ble/test 'ble/util/substr abc 0 3' ret=abc
  ble/test 'ble/util/substr abc 0 4' ret=abc
  ble/test 'ble/util/substr abc 3 0' ret=
  ble/test 'ble/util/substr abc 3 1' ret=
  ble/test 'ble/util/substr abc 4 0' ret=
  ble/test 'ble/util/substr abc 4 1' ret=

  ble/test 'ble/util/substr あいう 0 3' ret=あ
  ble/test 'ble/util/substr あいう 3 6' ret=いう
  ble/test 'ble/util/substr あいう 0 1' ret=$'\xe3'
  ble/test 'ble/util/substr あいう 1 2' ret=$'\x81\x82'
  ble/test 'ble/util/substr あいう 1 4' ret=$'\x81\x82\xe3\x81'
  ble/test 'ble/util/substr あいう 7 5' ret=$'\x81\x86'
)

# ble/path#remove{,-glob}
(
  for cmd in ble/path#{remove,remove-glob}; do
    ble/test code:'ret=; '$cmd' ret' ret=
    ble/test code:'ret=; '$cmd' ret ""' ret=
    ble/test code:'ret=a; '$cmd' ret ""' ret=a
    ble/test code:'ret=a; '$cmd' ret a' ret=
    ble/test code:'ret=a; '$cmd' ret b' ret=a
    ble/test code:'ret=a:a:a; '$cmd' ret a' ret=
    ble/test code:'ret=aa; '$cmd' ret a' ret=aa
    ble/test code:'ret=xyz:abc; '$cmd' ret ""' ret=xyz:abc
    ble/test code:'ret=xyz:abc; '$cmd' ret xyz' ret=abc
    ble/test code:'ret=xyz:abc; '$cmd' ret abc' ret=xyz
    ble/test code:'ret=xyz:abc:tuv; '$cmd' ret xyz' ret=abc:tuv
    ble/test code:'ret=xyz:abc:tuv; '$cmd' ret abc' ret=xyz:tuv
    ble/test code:'ret=xyz:abc:tuv; '$cmd' ret tuv' ret=xyz:abc
    ble/test code:'ret=xyz:xyz; '$cmd' ret xyz' ret=
    ble/test code:'ret=xyz:abc:xyz; '$cmd' ret xyz' ret=abc
    ble/test code:'ret=xyz:abc:xyz; '$cmd' ret abc' ret=xyz:xyz
    ble/test code:'ret=xyz:xyz:xyz; '$cmd' ret xyz' ret=
  done

  export LC_ALL= LC_COLLATE=C 2>/dev/null # suppress locale error #D1440

  ble/test code:'ret=a; ble/path#remove ret \?' ret=a
  ble/test code:'ret=aa; ble/path#remove ret \?' ret=aa
  ble/test code:'ret=a:b; ble/path#remove ret \?' ret=a:b
  ble/test code:'ret=a:b:c; ble/path#remove ret \?' ret=a:b:c
  ble/test code:'ret=aa:b:cc; ble/path#remove ret \?' ret=aa:b:cc
  ble/test code:'ret=stdX:stdY:usrZ; ble/path#remove ret "std[a-zX-Z]"' ret=stdX:stdY:usrZ
  ble/test code:'ret=stdX:usrZ:stdY; ble/path#remove ret "std[a-zX-Z]"' ret=stdX:usrZ:stdY
  ble/test code:'ret=usrZ:stdX:stdY; ble/path#remove ret "std[a-zX-Z]"' ret=usrZ:stdX:stdY

  ble/test code:'ret=a; ble/path#remove-glob ret \?' ret=
  ble/test code:'ret=aa; ble/path#remove-glob ret \?' ret=aa
  ble/test code:'ret=a:b; ble/path#remove-glob ret \?' ret=
  ble/test code:'ret=a:b:c; ble/path#remove-glob ret \?' ret=
  ble/test code:'ret=aa:b:cc; ble/path#remove-glob ret \?' ret=aa:cc
  ble/test code:'ret=stdX:stdY:usrZ; ble/path#remove-glob ret "std[a-zX-Z]"' ret=usrZ
  ble/test code:'ret=stdX:usrZ:stdY; ble/path#remove-glob ret "std[a-zX-Z]"' ret=usrZ
  ble/test code:'ret=usrZ:stdX:stdY; ble/path#remove-glob ret "std[a-zX-Z]"' ret=usrZ

  ble/test code:'ret=/usr/bin:/usr/local/bin:/usr/sbin:/usr/local/sbin; ble/path#remove-glob ret "/usr/local/*"' ret=/usr/bin:/usr/sbin
)

# ble/path#{append,prepend,contains}
(
  ble/test code:'ret=; ble/path#append ret a' ret=a
  ble/test code:'ret=a; ble/path#append ret a' ret=a:a
  ble/test code:'ret=a; ble/path#append ret b' ret=a:b
  ble/test code:'ret=a:b; ble/path#append ret cd' ret=a:b:cd
  ble/test code:'ret=; ble/path#prepend ret a' ret=a
  ble/test code:'ret=a; ble/path#prepend ret a' ret=a:a
  ble/test code:'ret=a; ble/path#prepend ret b' ret=b:a
  ble/test code:'ret=a:b; ble/path#prepend ret cd' ret=cd:a:b

  ble/test code:'ret=a:b:c; ble/path#contains ret a'
  ble/test code:'ret=a:b:c; ble/path#contains ret b'
  ble/test code:'ret=a:b:c; ble/path#contains ret c'
  ble/test code:'ret=a:b:c; ! ble/path#contains ret x'
  ble/test code:'ret=a:b:c; ! ble/path#contains ret aa'
  ble/test code:'ret=a:b:c; ! ble/path#contains ret bb'
  ble/test code:'ret=a:b:c; ! ble/path#contains ret cc'
  ble/test code:'ret=a:b:c; ! ble/path#contains ret "?"'
  ble/test code:'ret=a:b:c; ! ble/path#contains ret "*"'

  ble/test code:'ret=abc:def; ble/path#contains ret abc'
  ble/test code:'ret=abc:def; ble/path#contains ret def'
  ble/test code:'ret=abc:def; ! ble/path#contains ret a'
  ble/test code:'ret=abc:def; ! ble/path#contains ret ab'
  ble/test code:'ret=abc:def; ! ble/path#contains ret abcdef'
  ble/test code:'ret=abc:def; ! ble/path#contains ret "???"'
  ble/test code:'ret=xyz; ble/path#contains ret xyz'
  ble/test code:'ret=xyz; ! ble/path#contains ret xyz:xyz'
  ble/test code:'ret=xyz; ! ble/path#contains ret "???"'
)

# ToDo
# ble/path#contains
# ble/opts#has
# ble/opts#extract-first-optarg
# ble/opts#extract-last-optarg
# ble/opts#extract-all-optargs
# ble/set#add
# ble/set#remove
# ble/set#contains
# ble/set#add
# ble/set#remove
# ble/set#contains

# ToDo
# ble/dict#clear
# ble/dict#cp
# ble/dict#keys
# ble/dict#print
# ble/gdict#clear
# ble/gdict#cp
# ble/gdict#keys
# ble/gdict#print
# ble/adict#clear
# ble/adict#cp
# ble/adict#keys
# ble/adict#print

# ble/dict#{set,get,has,unset}
(
  builtin eval -- "${_ble_util_dict_declare//NAME/dict1}"
  builtin eval -- "${_ble_util_gdict_declare//NAME/dict2}"
  builtin eval -- "${_ble_util_adict_declare//NAME/dict3}"
  index=1
  for Dict in ble/{,g,a}dict; do
    dict=dict$((index++))

    ret=unchanged
    ble/test '! '$Dict'#has '$dict' banana' ret=unchanged
    ble/test '! '$Dict'#has '$dict' ""' ret=unchanged

    $Dict#set $dict apple red
    $Dict#set $dict banana yellow
    $Dict#set $dict orange orange
    $Dict#set $dict melon green

    ret=unchanged
    ble/test $Dict'#has '$dict' banana' ret=unchanged # 先頭
    ble/test $Dict'#has '$dict' apple'  ret=unchanged # 中
    ble/test $Dict'#has '$dict' melon'  ret=unchanged # 末尾
    ble/test '! '$Dict'#has '$dict' pear' ret=unchanged # 存在しない項目
    ble/test $Dict'#get '$dict' banana' ret=yellow   # 先頭
    ble/test $Dict'#get '$dict' apple'  ret=red      # 中
    ble/test $Dict'#get '$dict' melon'  ret=green    # 末尾
    ble/test '! '$Dict'#get '$dict' pear' ret=         # 存在しない項目

    # 空白類
    ble/test '! '$Dict'#has '$dict' ""' # 末尾空要素で引けるか
    ble/test '! '$Dict'#get '$dict' ""' # 末尾空要素で引けるか
    $Dict#set $dict '' transparent
    ble/test $Dict'#has '$dict' ""' # 末尾空要素で引けるか
    ble/test $Dict'#get '$dict' ""' ret=transparent # 末尾空要素で引けるか
    $Dict#set $dict 'alpha beta' pink
    ble/test $Dict'#has '$dict' ""' # 中央空要素で引けるか
    ble/test $Dict'#has '$dict' "alpha beta"' # 空白を含む見出し
    ble/test $Dict'#get '$dict' ""' ret=transparent # 中央空要素で引けるか
    ble/test $Dict'#get '$dict' "alpha beta"' ret=pink # 空白を含む見出し
    $Dict#set $dict ' apple ' ' red '
    ble/test $Dict'#has '$dict' " apple "' # 空白で trim されないか
    ble/test $Dict'#has '$dict' apple' # 既存項目を破壊していないか
    ble/test $Dict'#get '$dict' " apple "' ret=' red ' # 空白で trim されないか
    ble/test $Dict'#get '$dict' apple' ret=red # 既存項目を破壊していないか

    # FS, colon
    ble/test '! '$Dict'#has '$dict' "${_ble_term_FS}"' # 単一FS
    ble/test '! '$Dict'#has '$dict' ":"' # 単一コロン
    ble/test '! '$Dict'#has '$dict' "apple${_ble_term_FS}banana"' # FSを含む見出し
    ble/test '! '$Dict'#has '$dict' apple:banana' # コロンを含む見出し
    ble/test '! '$Dict'#get '$dict' "${_ble_term_FS}"' ret= # 単一FS
    ble/test '! '$Dict'#get '$dict' ":"' ret= # 単一コロン
    ble/test '! '$Dict'#get '$dict' "apple${_ble_term_FS}banana"' ret= # FSを含む見出し
    ble/test '! '$Dict'#get '$dict' apple:banana' ret= # コロンを含む見出し
    $Dict#set $dict "${_ble_term_FS}" Empty
    $Dict#set $dict ":" Colon
    $Dict#set $dict "apple${_ble_term_FS}banana" RedYellow
    $Dict#set $dict "apple:banana" __red_yellow__
    ble/test $Dict'#has '$dict' "${_ble_term_FS}"' # 単一FS
    ble/test $Dict'#has '$dict' ":"' # 単一コロン
    ble/test $Dict'#has '$dict' "apple${_ble_term_FS}banana"' # FSを含む見出し
    ble/test $Dict'#has '$dict' apple:banana' # コロンを含む見出し
    ble/test $Dict'#get '$dict' "${_ble_term_FS}"' ret=Empty # 単一FS
    ble/test $Dict'#get '$dict' ":"' ret=Colon # 単一コロン
    ble/test $Dict'#get '$dict' "apple${_ble_term_FS}banana"' ret=RedYellow # FSを含む見出し
    ble/test $Dict'#get '$dict' apple:banana' ret=__red_yellow__ # コロンを含む見出し

    # unset
    $Dict#unset $dict banana
    $Dict#unset $dict apple
    $Dict#unset $dict melon
    ble/test '! '$Dict'#has '$dict' banana'
    ble/test '! '$Dict'#has '$dict' apple'
    ble/test '! '$Dict'#has '$dict' melon'
    $Dict#unset $dict ""
    $Dict#unset $dict "alpha beta"
    $Dict#unset $dict " apple "
    ble/test '! '$Dict'#has '$dict' ""' # 中央空要素で引けるか
    ble/test '! '$Dict'#has '$dict' "alpha beta"' # 空白を含む見出し
    ble/test '! '$Dict'#has '$dict' " apple "' # 空白で trim されないか
    $Dict#unset $dict "${_ble_term_FS}"
    $Dict#unset $dict ":"
    $Dict#unset $dict "apple${_ble_term_FS}banana"
    $Dict#unset $dict apple:banana
    ble/test '! '$Dict'#has '$dict' "${_ble_term_FS}"' # 単一FS
    ble/test '! '$Dict'#has '$dict' ":"' # 単一コロン
    ble/test '! '$Dict'#has '$dict' "apple${_ble_term_FS}banana"' # FSを含む見出し
    ble/test '! '$Dict'#has '$dict' apple:banana' # コロンを含む見出し
  done
)

# blehook
(
  # declare hook
  blehook/declare FOO
  ble/test 'blehook --color=never FOO' stdout='blehook FOO='
  ble/test 'blehook/has-hook FOO' exit=1

  # add/remove hook
  blehook FOO+='ble/util/print hello'
  ble/test 'blehook --color=never FOO' \
           stdout="blehook FOO='ble/util/print hello'"
  ble/test 'blehook/has-hook FOO'
  blehook FOO+='ble/util/print world'
  ble/test 'blehook --color=never FOO' \
           stdout="blehook FOO='ble/util/print hello'" \
           stdout="blehook FOO+='ble/util/print world'"
  ble/test 'blehook/has-hook FOO'
  blehook FOO-='ble/util/print hello'
  ble/test 'blehook --color=never FOO' \
           stdout="blehook FOO='ble/util/print world'"
  ble/test 'blehook/has-hook FOO'
  blehook FOO-='ble/util/print world'
  ble/test 'blehook --color=never FOO' \
           stdout='blehook FOO='
  ble/test 'blehook/has-hook FOO' exit=1

  # reset hook
  blehook FOO+='ble/util/print hello'
  blehook FOO+='ble/util/print world'
  blehook FOO='ble/util/print empty'
  ble/test 'blehook --color=never FOO' \
           stdout="blehook FOO='ble/util/print empty'"
  ble/test 'blehook/has-hook FOO'

  # clear hook
  blehook FOO+='ble/util/print hello'
  blehook FOO+='ble/util/print world'
  blehook FOO=
  ble/test 'blehook --color=never FOO' \
           stdout='blehook FOO='
  ble/test 'blehook/has-hook FOO' exit=1

  # uniq hook
  blehook FOO+='ble/util/print hello'
  blehook FOO+='ble/util/print world'
  blehook FOO!='ble/util/print hello'
  ble/test 'blehook --color=never FOO' \
           stdout="blehook FOO='ble/util/print hello'${_ble_term_nl}blehook FOO+='ble/util/print world'"
  # uniq append
  blehook FOO-+='ble/util/print hello'
  ble/test 'blehook --color=never FOO' \
           stdout="blehook FOO='ble/util/print world'${_ble_term_nl}blehook FOO+='ble/util/print hello'"
  # uniq prepend
  blehook FOO+-='ble/util/print hello'
  ble/test 'blehook --color=never FOO' \
           stdout="blehook FOO='ble/util/print hello'${_ble_term_nl}blehook FOO+='ble/util/print world'"

  # invoke hook
  blehook FOO=
  blehook FOO+='ble/util/print hello'
  blehook FOO+='ble/util/print empty'
  blehook FOO+='ble/util/print world'
  ble/test 'blehook/invoke FOO' \
           stdout=hello \
           stdout=empty \
           stdout=world
  blehook FOO='ble/util/print "A$?"'
  blehook FOO+='ble/util/print "B$?"'
  blehook FOO+='ble/util/print "C$?"'
  ble/test 'ble/util/setexit 123; blehook/invoke FOO' \
           stdout=A123 \
           stdout=B123 \
           stdout=C123

  # eval-after-load
  blehook/declare bar_load
  blehook bar_load='ble/util/print bar_load'
  ble/test 'blehook/eval-after-load bar "ble/util/print yes"' stdout=
  ble/test 'blehook/invoke bar_load' \
           stdout=bar_load \
           stdout=yes
  ble/test 'blehook/eval-after-load bar "ble/util/print next"' stdout=next

  # arguments
  function func { ret="[$1]"; }
  blehook FOO=func
  ble/test 'blehook/invoke FOO xQAHbcpMFyFyQ' ret='[xQAHbcpMFyFyQ]'
)

# ble/builtin/trap
(
  # 0 / EXIT (special trap)
  ble/builtin/trap 'ble/util/print TRAPEXIT1' 0
  ble/test 'ble/builtin/trap/invoke 0' stdout=TRAPEXIT1
  ble/test 'ble/builtin/trap/invoke EXIT' stdout=TRAPEXIT1
  ble/builtin/trap 0
  ble/test 'ble/builtin/trap/invoke 0' stdout=

  ble/builtin/trap 'ble/util/print TRAPEXIT2' EXIT
  ble/test 'ble/builtin/trap/invoke 0' stdout=TRAPEXIT2
  ble/test 'ble/builtin/trap/invoke EXIT' stdout=TRAPEXIT2
  ble/builtin/trap EXIT
  ble/test 'ble/builtin/trap/invoke 0' stdout=

  # 1 / HUP / SIGHUP (signal trap)
  ble/builtin/trap 'ble/util/print TRAPHUP1' 1
  ble/test 'ble/builtin/trap/invoke 1' stdout=TRAPHUP1
  ble/test 'ble/builtin/trap/invoke HUP' stdout=TRAPHUP1
  ble/test 'ble/builtin/trap/invoke SIGHUP' stdout=TRAPHUP1
  ble/builtin/trap 1
  ble/test 'ble/builtin/trap/invoke 1' stdout=

  ble/builtin/trap 'ble/util/print TRAPHUP2' HUP
  ble/test 'ble/builtin/trap/invoke 1' stdout=TRAPHUP2
  ble/test 'ble/builtin/trap/invoke HUP' stdout=TRAPHUP2
  ble/test 'ble/builtin/trap/invoke SIGHUP' stdout=TRAPHUP2
  ble/builtin/trap HUP
  ble/test 'ble/builtin/trap/invoke HUP' stdout=

  ble/builtin/trap 'ble/util/print TRAPHUP3' SIGHUP
  ble/test 'ble/builtin/trap/invoke 1' stdout=TRAPHUP3
  ble/test 'ble/builtin/trap/invoke HUP' stdout=TRAPHUP3
  ble/test 'ble/builtin/trap/invoke SIGHUP' stdout=TRAPHUP3
  ble/builtin/trap SIGHUP
  ble/test 'ble/builtin/trap/invoke HUP' stdout=

  # 9999 / CUSTOM (custom trap)
  ble/builtin/trap/sig#new CUSTOM
  ble/builtin/trap 'ble/util/print "custom trap"' CUSTOM
  ble/test 'ble/builtin/trap/invoke CUSTOM' stdout='custom trap'
  function ble/builtin/trap:CUSTOM { ble/util/print "__set_handler__ ($2) $1"; }
  ble/test 'ble/builtin/trap "ble/util/print \"hello world\"" CUSTOM' \
           stdout='__set_handler__ (CUSTOM) ble/util/print "hello world"'
  ble/test 'ble/builtin/trap/invoke CUSTOM' stdout='hello world'
)

# ble/util/{readfile,mapfile,assign,assign-array}
(
  # readfile
  ble/test 'ble/util/readfile ret <(echo hello)' \
           ret=hello$'\n'
  ble/test 'ble/util/readfile ret <(echo hello; echo world)' \
           ret=hello$'\n'world$'\n'
  ble/test 'ble/util/readfile ret <(echo hello; echo -n world)' \
           ret=hello$'\n'world
  ble/test 'ble/util/readfile ret <(:)' ret=

  # mapfile
  function status { ble/util/print "${#a[*]}:(""${a[*]}"")"; }
  ble/test "ble/util/mapfile a < <(echo hello); status" stdout='1:(hello)'
  ble/test "ble/util/mapfile a < <(echo -n hello); status" stdout='1:(hello)'
  ble/test "ble/util/mapfile a < <(echo hello; echo world); status" stdout='2:(hello world)'
  ble/test "ble/util/mapfile a < <(echo hello; echo -n world); status" stdout='2:(hello world)'
  ble/test "ble/util/mapfile a < <(printf '%s\n' h1 h2 h3 h4); status" stdout='4:(h1 h2 h3 h4)'
  ble/test "ble/util/mapfile a < <(:); status" stdout='0:()'
  ble/test "ble/util/mapfile a < <(echo); status" stdout='1:()'
  ble/test "ble/util/mapfile a < <(echo;echo); status" stdout='2:( )'
  ble/test "ble/util/mapfile a < <(echo a;echo;echo b); status" stdout='3:(a  b)'

  # assign
  nl=$'\n'
  ble/test 'ble/util/assign ret ""' ret=
  ble/test 'ble/util/assign ret ":"' ret=
  ble/test 'ble/util/assign ret "echo"' ret=
  ble/test 'ble/util/assign ret "echo hello"' ret=hello
  ble/test 'ble/util/assign ret "seq 5"' ret="1${nl}2${nl}3${nl}4${nl}5"
  function f1 { ble/util/print stdout; ble/util/print stderr >&2; }
  function nested-assign {
    ble/util/assign err 'ble/util/assign out f1 2>&1'
    ble/util/print "out=$out err=$err"
  }
  ble/test nested-assign stdout='out=stdout err=stderr'

  # assign-array
  ble/test 'ble/util/assign-array a :; status' stdout='0:()'
  ble/test 'ble/util/assign-array a echo; status' stdout='1:()'
  ble/test 'ble/util/assign-array a "echo hello"; status' stdout='1:(hello)'
  ble/test 'ble/util/assign-array a "seq 5"; status' stdout='5:(1 2 3 4 5)'
  ble/test 'ble/util/assign-array a "echo; echo; echo"; status' stdout='3:(  )'
  ble/test 'ble/util/assign-array a "echo 1; echo; echo 2"; status' stdout='3:(1  2)'
)

# ToDo
# ble/util/copyfile
# ble/util/readarray
# ble/util/assign-array0
# ble/util/assign.has-output
# ble/util/assign-words

# ble/util/writearray
(
  # Note: Bash-3.x で arr=() の形式には ^A 及び ^? を変化させるバグが
  # あるので、 改めて正しい値を代入する。
  x=($'\177' $'\1' $'\2' $'\32' ' ' $'\a' $'\b' $'\t' $'\n' $'\v' $'\f' $'\r' a \" \' \$ \! \` \~)
  x[0]=$'\177'
  x[1]=$'\1'

  function ble/test/hash {
    local tmpfile=$_ble_base_run/$$.test.$RANDOM ret
    ble/bin/cat >| "$tmpfile"
    ble/file#hash "$tmpfile"
    >| "$tmpfile"
    ble/util/print "$ret"
  }

  ble/test "ble/util/writearray -d '' x | ble/test/hash" stdout=$(printf '%s\0' "${x[@]}" | ble/test/hash)

  # gawk では $'\302\203' という文字列を unescape する上で注意が必要
  x=($'\302\203' alpha)
  ble/test "ble/util/writearray -d '' x | ble/test/hash" stdout=$(printf '%s\0' "${x[@]}" | ble/test/hash)

  for pair in $'\a:007' $'\b:010' $'\t:011' $'\v:013' $'\f:014' $'\r:015'; do
    for awk in awk nawk mawk gawk; do
      if ble/is-function ble/bin/"$awk"; then
        ctrl=${pair%:*}
        seq=${pair#*:}
        value=$(ble/bin/"$awk" '{gsub(/\'"$seq"'/, "<DEL>");print $0 "x";}' <<< "x${ctrl}y")
        value=${value%x}
        ble/test code:"ret=\$value # \"$awk gsub(/\\$seq/)\"" ret="x<DEL>y"
      fi
    done
  done

  a=(1 2 3)
  ble/test 'ble/util/writearray --nlfix a; echo x' stdout:$'1\n2\n3\n\nx'
)

# ble/is-function
(
  var=variable
  alias ali=fun
  function fun { ble/util/print "yes $*"; }
  function ble/fun { ble/util/print "yes $*"; return 99; }
  function ble/fun:type { ble/util/print "yes $*"; return 100; }
  function ble/fun#meth { ble/util/print "yes $*"; return 101; }

  ble/test 'ble/is-function' exit=1
  ble/test 'ble/is-function ""' exit=1

  ble/test 'ble/is-function fun'
  ble/test 'ble/is-function ble/fun'
  ble/test 'ble/is-function ble/fun:type'
  ble/test 'ble/is-function ble/fun#meth'

  ble/test 'ble/is-function fun1' exit=1
  ble/test 'ble/is-function ble/fun1' exit=1
  ble/test 'ble/is-function ble/fun1:type' exit=1
  ble/test 'ble/is-function ble/fun1#meth' exit=1

  ble/test 'ble/is-function ali' exit=1
  ble/test 'ble/is-function var' exit=1
  ble/test 'ble/is-function compgen' exit=1
  ble/test 'ble/is-function declare' exit=1
  ble/test 'ble/is-function mkfifo' exit=1

  function compgen { return 0; }
  function declare { return 0; }
  function mkfifo { return 0; }
  ble/test 'ble/is-function compgen'
  ble/test 'ble/is-function declare'
  ble/test 'ble/is-function mkfifo'

  # ble/function#try
  ble/test 'ble/function#try fun 1 2 3' stdout='yes 1 2 3'
  ble/test 'ble/function#try ble/fun 1 2 3' stdout='yes 1 2 3' exit=99
  ble/test 'ble/function#try ble/fun:type 1 2 3' stdout='yes 1 2 3' exit=100
  ble/test 'ble/function#try ble/fun#meth 1 2 3' stdout='yes 1 2 3' exit=101
  ble/test 'ble/function#try fun1 1 2 3' stdout= exit=127
  ble/test 'ble/function#try ble/fun1 1 2 3' stdout= exit=127
  ble/test 'ble/function#try ble/fun1:type 1 2 3' stdout= exit=127
  ble/test 'ble/function#try ble/fun1#meth 1 2 3' stdout= exit=127
)

# ble/function#advice
(
  function f1 { ble/util/print "original${*:+ $*}"; }

  ble/test f1 stdout='original'
  ble/function#advice before f1 'ble/util/print pre'
  ble/test f1 stdout={pre,original}
  ble/function#advice after f1 'ble/util/print post'
  ble/test f1 stdout={pre,original,post}
  ble/function#advice before f1 'ble/util/print A'
  ble/test f1 stdout={A,original,post}
  ble/function#advice after f1 'ble/util/print B'
  ble/test f1 stdout={A,original,B}
  ble/function#advice around f1 'ble/util/print [; ble/function#advice/do; ble/util/print ]'
  ble/test f1 stdout={A,[,original,],B}

  ble/function#advice around f1 '
    ADVICE_WORDS[1]=quick
    ble/util/print [; ble/function#advice/do; ble/util/print ]
    ADVICE_EXIT=99'
  ble/test f1 stdout={A,[,'original quick',],B} exit=99

  ble/function#advice remove f1
  ble/test f1 stdout='original' exit=0
  ble/test 'f1 1' stdout='original 1' exit=0
)

# ble/function#{push,pop}
(
  ble/test 'echo 1 2 3' stdout='1 2 3'
  ble/test 'ble/is-function echo' exit=1
  ble/function#push echo 'builtin echo "[$*]"'
  ble/test 'ble/is-function echo'
  ble/test 'echo 1 2 3' stdout='[1 2 3]'
  ble/function#push echo 'builtin echo "($*)"'
  ble/test 'echo 1 2 3' stdout='(1 2 3)'
  ble/function#push echo 'builtin echo A; ble/function#push/call-top "$@"; builtin echo Z'
  ble/test 'echo 1 2 3' stdout={A,'(1 2 3)',Z}
  ble/function#push echo 'builtin echo [; ble/function#push/call-top "$@"; builtin echo ]'
  ble/test 'echo 1 2 3' stdout={[,A,'(1 2 3)',Z,]}

  ble/test 'ble/function#pop echo'
  ble/test 'echo 1 2 3' stdout={A,'(1 2 3)',Z}
  ble/function#pop echo
  ble/test 'echo 1 2 3' stdout='(1 2 3)'
  ble/function#pop echo
  ble/test 'echo 1 2 3' stdout='[1 2 3]'
  ble/test 'ble/is-function echo'
  ble/test 'ble/function#pop echo'
  ble/test 'ble/is-function echo' exit=1
  ble/test 'echo 1 2 3' stdout='1 2 3'
  ble/test 'ble/function#pop echo' exit=1
  ble/test 'echo 1 2 3' stdout='1 2 3'
)

# ToDo
# ble/function#evaldef
# ble/function#trace
# ble/function#has-trace
# ble/function#has-attr
# ble/function/is-global-trace-context
# ble/function#get-source-and-lineno
# ble/function#lambda
# ble/function#suppress-stderr

# ble/util/set
(
  ble/test 'ble/util/set ret hello' ret='hello'
  ble/test 'ble/util/set ret "hello world"' ret='hello world'
  ble/test 'ble/util/set ret ""' ret=''
  ble/test 'ble/util/set ret " "' ret=' '
  ble/test 'ble/util/set ret " a"' ret=' a'
  ble/test 'ble/util/set ret "a "' ret='a '
  ble/test 'ble/util/set ret $'\''\n'\''' ret=$'\n'
  ble/test 'ble/util/set ret A$'\''\n'\''' ret=A$'\n'
  ble/test 'ble/util/set ret A$'\''\n'\''B' ret=A$'\n'B
)

# ble/util/sprintf
(
  ble/test 'ble/util/sprintf ret "[%s]" 1 2 3' ret='[1][2][3]'
  ble/test 'ble/util/sprintf ret "[%5s]" 1' ret='[    1]'
  ble/test 'ble/util/sprintf ret "[%.2s]" 12345' ret='[12]'
  ble/test 'ble/util/sprintf ret "[%d,%d]" 1 3' ret='[1,3]'
  ble/test 'ble/util/sprintf ret "[%x]" 27' ret='[1b]'
  ble/test 'ble/util/sprintf ret "[%#.2g]" 27' ret='[27.]'
  ble/test 'ble/util/sprintf ret "[%#.2f]" 27' ret='[27.00]'
)

# ble/util/type
(
  shopt -s expand_aliases
  alias aaa=fun
  function fun { return 0; }
  function ble/fun { return 0; }
  function ble/fun:type { return 0; }
  function ble/fun#meth { return 0; }

  ble/test 'ble/util/type ret aaa' ret=alias
  ble/test 'ble/util/type ret fun' ret=function
  ble/test 'ble/util/type ret alias' ret=builtin
  ble/test 'ble/util/type ret mkfifo' ret=file
  ble/test 'ble/util/type ret for' ret=keyword
  ble/test 'ble/util/type ret ble/fun' ret=function
  ble/test 'ble/util/type ret ble/fun:type' ret=function
  ble/test 'ble/util/type ret ble/fun#meth' ret=function

  ble/test 'ble/util/type ret fun1' ret=
  ble/test 'ble/util/type ret ble/fun1' ret=
  ble/test 'ble/util/type ret ble/fun1:type' ret=
  ble/test 'ble/util/type ret ble/fun1#meth' ret=
)

# ToDo
# ble/is-alias
# ble/alias/list
# ble/alias#active

# ble/alias#expand
(
  shopt -s expand_aliases

  # Note: 複数段階の展開は実行しない
  alias aaa1='aaa2 world'
  ble/test 'ble/alias#expand aaa1' ret='aaa2 world'
  alias aaa2='aaa3 hello'
  ble/test 'ble/alias#expand aaa2' ret='aaa3 hello'
  ble/test 'ble/alias#expand aaa1' ret='aaa2 world'
  alias aaa3='aaa4'
  ble/test 'ble/alias#expand aaa3' ret='aaa4'
  ble/test 'ble/alias#expand aaa2' ret='aaa3 hello'
  ble/test 'ble/alias#expand aaa1' ret='aaa2 world'
  alias aaa4='echo'
  ble/test 'ble/alias#expand aaa4' ret='echo'
  ble/test 'ble/alias#expand aaa3' ret='aaa4'
  ble/test 'ble/alias#expand aaa2' ret='aaa3 hello'
  ble/test 'ble/alias#expand aaa1' ret='aaa2 world'
)

# ble/util/is-stdin-ready
if ((_ble_bash>=40000)); then
  (
    ble/test 'echo 1 | { sleep 0.01; ble/util/is-stdin-ready 0; }'
    [[ ${CI-} == true && ${GITHUB_ACTION-} && $OSTYPE == msys* ]] ||
      ble/test 'sleep 0.01 | ble/util/is-stdin-ready 0' exit=1
    ble/test 'ble/util/is-stdin-ready 0 <<< a'
    ble/test 'ble/util/is-stdin-ready 0 <<< ""'

    # EOF は成功してしまう? これは意図しない振る舞いである。
    # しかし bash 自体が終了するので関係ないのかもしれない。
    ble/test ': | { sleep 0.01; ble/util/is-stdin-ready 0; }'
    ble/test 'ble/util/is-stdin-ready 0 < /dev/null'
  )
fi

# ble/util/is-running-in-subshell
ble/test ble/util/is-running-in-subshell exit=1
( ble/test ble/util/is-running-in-subshell )

# ble/util/getpid
(
  ble/test/chdir || exit
  function getpid {
    sh -c 'printf %s $PPID' >| a.txt
    ble/util/readfile ppid a.txt
  }

  dummy=modification_to_environment.1
  ble/util/getpid
  ble/test '[[ $BASHPID != $$ ]]'
  getpid
  ble/test code:'ret=$BASHPID' ret="$ppid"
  pid1=$BASHPID
  (
    dummy=modification_to_environment.2
    ble/util/getpid
    ble/test '[[ $BASHPID != $$ && $BASHPID != $pid1 ]]'
    getpid
    ble/test '[[ $BASHPID == $ppid ]]'
  )
  ble/test/rmdir
)

# ble/fd#is-open
(
  ble/test 'ble/fd#is-open 1'
  ble/test 'ble/fd#is-open 2'
  exec 9>&-
  ble/test 'ble/fd#is-open 9' exit=1
  exec 9>/dev/null
  ble/test 'ble/fd#is-open 9'
  exec 9>&-
  ble/test 'ble/fd#is-open 9' exit=1
)

# ble/fd#alloc
# ble/fd#close
(
  ble/test/chdir || exit
  ble/fd#alloc fd '> a.txt'
  ble/util/print hello >&"$fd"
  ble/util/print world >&"$fd"
  if ((_ble_bash/100!=301)); then
    # bash-3.1 はバグがあって一度開いた fd を閉じれない。
    ble/test 'ble/fd#close fd; echo test >&"$fd"' exit=1
    ble/test 'cat a.txt' stdout={hello,world}
  fi
  ble/test/rmdir
)

# ble/util/declare-print-definitions
(
  xv1=''
  xv2a='a' xv2b='ab'
  xv3a=' ' xv3b='a b'
  xv4a=$'\n' xv4b=$'a\nb'
  xv5a=$'\r' xv5b=$'a\rb'
  xv6a=$'\x01' xv6b=a$'\x01'b
  xv7a=$'\x02' xv7b=a$'\x02'b
  xv8a=$'\x7F' xv8b=a$'\x7F'b
  builtin eval -- "$(
    for name in v1 v{2..8}{a,b}; do
      builtin eval "$name=\$x$name"
    done
    ble/util/declare-print-definitions vn v1 v{2..8}{a,b} 2>/dev/null)"

  ble/test '[[ ! ${vn+set} ]]'
  for name in v1 v{2..8}{a,b}; do
    ble/test "declare -p $name x$name | cat -v >&2; [[ \$$name == \$x$name ]]"
  done

  function status { builtin eval 'ret="${#'$1'[*]}:(""${'$1'[*]}"")"'; }
  xa0=() sa0='0:()'
  xa1=('') sa1='1:()'
  for k in {2..8}; do
    builtin eval "xa$k=(); xa$k[0]=\"\$xv${k}a\"; xa$k[1]=\"\$xv${k}b\""
    builtin eval "sa$k=\"2:(\$xv${k}a \$xv${k}b)\""
  done
  builtin eval -- "$(
    for name in a0 a1 a{2..8}; do
      builtin eval "$name=(\"\${x$name[@]}\")"
    done
    ble/util/declare-print-definitions a0 a1 a{2..8} 2>/dev/null)"

  for name in a0 a1 a{2..8}; do
    # WA: msys bash では何故か配列代入形式 arr2=("${arr1[@]}") で要素に含まれる
    # \r が全て消滅する。仕方がないのでスキップする。
    [[ $name == a5 && $OSTYPE == msys* ]] && continue

    stdout_var=s$name
    ble/test "status $name" ret="${!stdout_var}"
  done
)

# ble/util/print-global-definitions
(
  function status { builtin eval 'ble/util/print "${#'$1'[*]}:(""${'$1'[*]}"")"'; }
  v1=123 v2=(1 2 3) v3=bbb v4=ccc
  function f2 {
    local v3=x v4=y
    builtin eval -- "$(ble/util/print-global-definitions v{0..4})"
    ble/test '[[ ! ${v0+set} ]]'
    ble/test 'status v1' stdout='1:(123)'
    ble/test 'status v2' stdout='3:(1 2 3)'
    ble/test 'status v3' stdout='1:(bbb)'
    ble/test 'status v4' stdout='1:(ccc)'
  }
  function f1 {
    local v0=1 v1=2 v2=3 v4=5
    f2
    # 上のスコープには影響を与えない。
    ble/test 'status v1' stdout='1:(2)'
    ble/test 'status v2' stdout='1:(3)'
  }
  f1

  value="hello 'world'"
  ble/test 'ble/util/print-global-definitions value' stdout="declare value='hello '\''world'\'''"
)

# ble/util/has-glob-pattern
(
  ble/test 'ble/util/has-glob-pattern "a*"'
  ble/test 'ble/util/has-glob-pattern "a*b"'
  ble/test 'ble/util/has-glob-pattern "?"'
  ble/test 'ble/util/has-glob-pattern "a?"'
  ble/test 'ble/util/has-glob-pattern "a?b"'
  ble/test 'ble/util/has-glob-pattern "a?b*c"'
  ble/test 'ble/util/has-glob-pattern "a[a-c]d"'
  ble/test 'ble/util/has-glob-pattern "a[!a-c]d"'
  ble/test 'ble/util/has-glob-pattern "*.txt"'
  ble/test 'ble/util/has-glob-pattern "*.*"'

  ble/test 'ble/util/has-glob-pattern ""'    exit=1
  ble/test 'ble/util/has-glob-pattern "a"'   exit=1
  ble/test 'ble/util/has-glob-pattern "abc"' exit=1
  ble/test 'ble/util/has-glob-pattern "/"'   exit=1
  ble/test 'ble/util/has-glob-pattern "a/c"' exit=1
  ble/test 'ble/util/has-glob-pattern "a:b"' exit=1
  ble/test 'ble/util/has-glob-pattern "a=b"' exit=1

  # 以下は文脈によって異なる物。Bash-5.0 では var='\[xyz\]' として
  # echo $var とするとパス名展開の対象となるが、
  # それ以外ではパス名展開とは解釈されない。
  ble/test 'ble/util/has-glob-pattern "\[xyz\]"' exit=1
)

# ble/util/is-cygwin-slow-glob
# ble/util/eval-pathname-expansion
(
  shopt -s failglob
  shopt -s nullglob
  shopt -s extglob
  ble/util/eval-pathname-expansion 'non-existent-*-file' canonical
  ble/test 'shopt -q failglob'
  ble/test 'shopt -q nullglob'
  ble/test 'shopt -q extglob'
)
# ble/util/isprint+
# ble/util/strftime

# ble/util/{msleep,sleep}
if ! [[ ${CI-} == true && ${GITHUB_ACTION-} ]]; then
  ble/util/msleep/.calibrate-loop &>/dev/null
  ble/util/msleep/.calibrate-loop &>/dev/null
  ble/util/msleep/.calibrate-loop &>/dev/null
  (
    ble/test 'ble-measure -q "ble/util/msleep 100"; echo "$ret usec" >&2; ((msec=ret/1000,90<=msec&&msec<=120))'
    ble/test 'ble-measure -q "ble/util/sleep 0.1"; echo "$ret usec" >&2; ((msec=ret/1000,90<=msec&&msec<=120))'
  )
fi

# ble/util/conditional-sync
(
  time=0
  ble/function#push ble/util/msleep '((time+=$1));ble/util/print $time'
  ble/test "ble/util/conditional-sync 'ble/bin/sleep 10' '((time<1000))' 100" \
           stdout={1..10}00
  ble/test "ble/util/conditional-sync 'ble/bin/sleep 10' '((time<1000))' 100 progressive-weight" \
           stdout={1,3,7,15,31,63,{1..10}27}
  ble/test "ble/util/conditional-sync 'ble/bin/sleep 10' 'true' 100 timeout=10" stdout=10 exit=142
  ble/test "ble/util/conditional-sync 'echo unexpected' 'true' 100 timeout=0" stdout= exit=142
  ble/bin/sleep 10 & pid1=$!
  ble/test "ble/util/conditional-sync 'echo unexpected' 'true' 100 timeout=0:pid=$pid1" stdout= exit=142
  ble/bin/sleep 10 & pid2=$!
  ble/test "ble/util/conditional-sync 'echo unexpected' 'true' 100 timeout=-1:pid=$pid2" stdout= exit=142
  set -m; ble/bin/sleep 10 & pid3=$!; set +m
  ble/test "ble/util/conditional-sync 'echo unexpected' 'true' 100 timeout=0:pid=-$pid3" stdout= exit=142

  # wait for the signal processing for a short moment
  if [[ $OSTYPE == cygwin* || $OSTYPE == msys* ]]; then
    ble/bin/sleep 0.20
  else
    ble/bin/sleep 0.02
  fi
  ble/test 'kill -0 "$pid1"' exit=1
  ble/test 'kill -0 "$pid2"' exit=1
  ble/test 'kill -0 "$pid3"' exit=1
  ble/function#pop ble/util/msleep
)

# ble/util/cat
(
  function ble/test:ble/util/cat { { ble/util/cat; ble/util/print x; } | cat -v; }
  ble/test ":| ble/test:ble/util/cat"                       stdout=x
  ble/test "printf a | ble/test:ble/util/cat"               stdout=ax
  ble/test "printf '\0' | ble/test:ble/util/cat"            stdout=^@x
  ble/test "printf 'hello\nworld\n'| ble/test:ble/util/cat" stdout={hello,world,x}
  ble/test "printf 'hello\nworld'| ble/test:ble/util/cat"   stdout={hello,worldx}
  ble/test "printf 'hello\0world\0'| ble/test:ble/util/cat" stdout=hello^@world^@x
  ble/test "printf 'hello\0world'| ble/test:ble/util/cat"   stdout=hello^@worldx
)

# ble/util/get-pager
(
  bleopt_pager=xxx PAGER=yyy
  ble/test 'ble/util/get-pager ret' ret=xxx
  bleopt_pager=xxx PAGER=
  ble/test 'ble/util/get-pager ret' ret=xxx
  bleopt_pager= PAGER=yyy
  ble/test 'ble/util/get-pager ret' ret=yyy
  bleopt_pager= PAGER=
  ble/test 'ble/util/get-pager ret' ret=less
)

# ble/util/pager
(
  bleopt_pager=cat
  ble/test 'ble/util/pager <<< hello' stdout=hello
)


# # ble/file#mtime
# (
#   ble/file#mtime a
#   ble/test 'ble/string#match "$ret" "^[0-9]+\$"'
# )

# ble/util/buffer
(
  _ble_util_fd_tui_stderr=1 # ble/util/buffer.flush write outputs to this fd.
  ble/util/buffer.clear
  ble/test 'ble/util/buffer.flush' stdout=
  ble/util/buffer hello
  ble/util/buffer world
  ble/test 'ble/util/buffer.flush' stdout=helloworld
  ble/test 'ble/util/buffer.flush' stdout=
  ble/util/buffer.print hello
  ble/util/buffer.print world
  ble/test 'ble/util/buffer.flush' stdout={hello,world}
  ble/test 'ble/util/buffer.flush' stdout=
  ble/util/buffer.print hello
  ble/util/buffer.print world
  ble/util/buffer.clear
  ble/test 'ble/util/buffer.flush' stdout=
)

# ble/dirty-range#{load,clear,update}
(
  # ref #D0229 #D0134
  ubeg=3 uend=10 uend0=5
  beg=0 end=5 end0=3
  ble/dirty-range#load --prefix=u
  ble/test 'echo "$beg:$end:$end0"' stdout=3:10:5

  ubeg=3 uend=10 uend0=5
  ble/dirty-range#clear --prefix=u
  ble/test 'echo "$ubeg:$uend:$uend0"' stdout=-1:-1:-1

  ble/dirty-range#update --prefix=u 0 5 2
  ble/test 'echo "$ubeg:$uend:$uend0"' stdout=0:5:2
  ble/dirty-range#update --prefix=u 10 10 12
  ble/test 'echo "$ubeg:$uend:$uend0"' stdout=0:10:9

  ble/dirty-range#clear --prefix=u
  ble/dirty-range#update --prefix=u 2 2 3
  ble/dirty-range#update --prefix=u 2 2 3
  ble/test 'echo "$ubeg:$uend:$uend0"' stdout=2:2:4

  # (1) str3 = A0 [A1] A2 |     X      |     C
  ble/dirty-range#clear --prefix=u
  ble/dirty-range#update --prefix=u 1 5 3
  ble/dirty-range#update --prefix=u 7 11 9
  ble/test 'echo "$ubeg:$uend:$uend0"' stdout=1:11:7

  # (2) str3 = A0 [A1     | X0]     X1 |     C
  ble/dirty-range#clear --prefix=u
  ble/dirty-range#update --prefix=u 1 7 5
  ble/dirty-range#update --prefix=u 4 15 11
  ble/test 'echo "$ubeg:$uend:$uend0"' stdout=1:15:9

  # (3) str3 = A0 [A1     |     X      | C0] C1
  ble/dirty-range#clear --prefix=u
  ble/dirty-range#update --prefix=u 1 7 5
  ble/dirty-range#update --prefix=u 3 4 5
  ble/test 'echo "$ubeg:$uend:$uend0"' stdout=1:6:5

  # (4) str3 = A          | X0 [X1] X2 |     C
  ble/dirty-range#clear --prefix=u
  ble/dirty-range#update --prefix=u 4 8 6
  ble/dirty-range#update --prefix=u 2 8 10
  ble/test 'echo "$ubeg:$uend:$uend0"' stdout=2:8:8

  # (5) str3 = A          | X0     [X1 | C0] C1
  ble/dirty-range#clear --prefix=u
  ble/dirty-range#update --prefix=u 6 12 8
  ble/dirty-range#update --prefix=u 3 7 8
  ble/test 'echo "$ubeg:$uend:$uend0"' stdout=3:11:8

  # (6) str3 = A          |     X      | C0 [C1] C2
  ble/dirty-range#clear --prefix=u
  ble/dirty-range#update --prefix=u 10 13 11
  ble/dirty-range#update --prefix=u 3 7 8
  ble/test 'echo "$ubeg:$uend:$uend0"' stdout=3:12:11
)

# ToDo (update 2022-09-26)
# ble/file#hash
# ble/urange#{clear,update}
# ble/urange#shift
# ble/util/joblist
# ble/util/joblist.split
# ble/util/joblist.check
# ble/util/joblist.has-events
# ble/util/joblist.flush
# ble/util/joblist.bflush
# ble/util/joblist.clear
# ble/util/save-editing-mode
# ble/util/restore-editing-mode
# ble/util/reset-keymap-of-editing-mode
# ble/util/rlvar#load
# ble/util/rlvar#has
# ble/util/rlvar#test
# ble/util/rlvar#read
# ble/util/rlvar#bind-bleopt
# ble/util/invoke-hook
# ble/util/autoload
# ble-autoload
# ble/util/import/search
# ble/util/import/encode-filename
# ble/util/import/is-loaded
# ble/util/import/finalize
# ble/util/import/option:query
# ble/util/import/eval-after-load
# ble/util/import
# ble-import

# ble-import -C
(
  # Suppress all the idle tasks and processings
  ble/function#try ble/util/idle.clear
  ble/util/buffer.clear
  blehook idle_after_task=

  ble/function#push ble/util/idle/IS_IDLE '((1))'
  ble/test/chdir || exit
  ble/util/print 'ble/util/print FILE1' >| FILE1.txt
  ble/util/print 'ble/util/print FILE2' >| FILE2.txt
  ble/util/print 'ble/util/print FILE3' >| FILE3.txt

  # single and double dependencies
  (
    ble-import FILE1.txt -C 'ble/util/print loaded1'
    ble-import FILE1.txt -C 'ble/util/print loaded2'
    ble-import FILE1.txt -C 'ble/util/print loaded3' -C 'ble/util/print loaded4'
    ble-import FILE1.txt FILE2.txt -C 'ble/util/print both1' -C 'ble/util/print both2'

    (
      if ble/is-function ble/util/idle.push; then
        ble/test 'ble/util/idle.do' stdout=
      fi
      ble/test 'ble-import FILE1.txt' stdout=$'FILE1\nloaded1\nloaded2\nloaded3\nloaded4'
      ble/test 'ble-import FILE2.txt' stdout=$'FILE2\nboth1\nboth2'
    )
    (
      ble/test 'ble-import FILE2.txt' stdout='FILE2'
      ble/test 'ble-import FILE1.txt' stdout=$'FILE1\nloaded1\nloaded2\nloaded3\nloaded4\nboth1\nboth2'
    )
  )

  # three dependencies
  (
    ble-import FILE1.txt FILE2.txt FILE3.txt -C 'ble/util/print triple'
    ble/test 'ble-import FILE2.txt' stdout='FILE2'
    ble/test 'ble-import FILE3.txt' stdout='FILE3'
    ble/test 'ble-import FILE1.txt' stdout=$'FILE1\ntriple'
  )

  # with -d option
  if ble/is-function ble/util/idle.push; then
    (
      ble-import FILE1.txt FILE2.txt -dC 'ble/util/print both'
      ble/test 'ble/util/idle.do' stdout=$'FILE1\nFILE2\nboth'
    )
  fi

  ble/test/rmdir
)

# ble/util/stackdump
# ble-stackdump
# ble/util/assert
# ble-assert
# ble/util/clock
# ble/util/idle.do
# ble/util/idle/IS_IDLE
# ble/util/idle.push
# ble/util/idle.push-background
# ble/util/idle.sleep
# ble/util/idle.isleep
# ble/util/idle.sleep-until
# ble/util/idle.isleep-until
# ble/util/idle.wait-user-input
# ble/util/idle.wait-file-content
# ble/util/idle.wait-filename
# ble/util/idle.wait-condition
# ble/util/idle.continue
# ble/util/idle.cancel
# ble/util/idle.suspend
# ble/util/is-running-in-idle
# ble/util/fiberchain#initialize
# ble/util/fiberchain#resume
# ble/util/fiberchain#push
# ble/util/fiberchain#clear
# ble/term/put
# ble/term/cup
# ble/term/flush
# ble/term/audible-bell
# ble/term/visible-bell
# ble/term/visible-bell:term/init
# ble/term/visible-bell:term/show
# ble/term/visible-bell:term/update
# ble/term/visible-bell:term/clear
# ble/term/visible-bell:canvas/init
# ble/term/visible-bell:canvas/show
# ble/term/visible-bell:canvas/update
# ble/term/visible-bell:canvas/clear
# ble/term/visible-bell/cancel-erasure
# ble/term/visible-bell/erase
# ble/term/stty/initialize
# ble/term/stty/leave
# ble/term/stty/enter
# ble/term/stty/finalize
# ble/term/stty/TRAPEXIT
# ble/term/cursor-state/hide
# ble/term/cursor-state/reveal
# ble/term/bracketed-paste-mode/enter
# ble/term/bracketed-paste-mode/leave
# ble/term/DA1/notify
# ble/term/DA2/notify
# ble/term/CPR/request.buff
# ble/term/CPR/request.draw
# ble/term/CPR/notify
# ble/term/modifyOtherKeys/enter
# ble/term/modifyOtherKeys/leave
# ble/term/modifyOtherKeys/reset
# ble/term/enter-altscr
# ble/term/leave-altscr
# ble/term/rl-convert-meta/enter
# ble/term/rl-convert-meta/leave
# ble/term/enter-for-widget
# ble/term/leave-for-widget
# ble/term/enter
# ble/term/leave
# ble/term/attach
# ble/term/detach

# ble/util/{s2c,c2s}
(
  ble/test $'ble/util/s2c "\n"' ret=10
  ble/test 'ble/util/c2s 10' ret=$'\n'
  ble/test $'ble/util/s2c "\x1b"' ret=27
  ble/test 'ble/util/c2s 27' ret=$'\x1b'
  ble/test $'ble/util/s2c "\x1F"' ret=31
  ble/test 'ble/util/c2s 31' ret=$'\x1F'
  c=$'\x7F' ble/test 'ble/util/s2c $c' ret=127 # bash-3.0 bug WA
  ble/test 'ble/util/c2s 127' ret=$'\x7F'
  ble/test 'ble/util/s2c " "' ret=32
  ble/test 'ble/util/c2s 32' ret=' '
  ble/test 'ble/util/s2c a' ret=97
  ble/test 'ble/util/c2s 97' ret=a
  ble/test 'ble/util/s2c μ' ret=956
  ble/test 'ble/util/c2s 956' ret=μ
  ble/test 'ble/util/s2c あ' ret=12354
  ble/test 'ble/util/c2s 12354' ret=あ

  ble/test 'ble/util/s2c' ret=0
  ble/test 'ble/util/s2c abc' ret=97
  ble/test 'ble/util/s2c μν' ret=956
  ble/test 'ble/util/s2c あいう' ret=12354

  ble/test 'ble/util/c2s.cached 32' ret=' '
  ble/test 'ble/util/c2s.cached 97' ret=a
  ble/test 'ble/util/c2s.cached 956' ret=μ
  ble/test 'ble/util/c2s.cached 12354' ret=あ

  LC_ALL=C
  ble/test 'ble/util/c2s 97' ret=a
  ble/test 'ble/util/c2s 956; [[ $ret != μ ]]'
  ble/test 'ble/util/c2s 12354; [[ $ret != あ ]]'
)

# ble/util/c2bc
(
  ble/test 'ble/util/c2bc 97' ret=1
  ble/test 'ble/util/c2bc 956' ret=2
  ble/test 'ble/util/c2bc 12354' ret=3

  ble/test 'ble/util/c2bc 0' ret=1
  ble/test 'ble/util/c2bc 127' ret=1
  ble/test 'ble/util/c2bc 128' ret=2
  ble/test 'ble/util/c2bc 2047' ret=2
  ble/test 'ble/util/c2bc 2048' ret=3
  ble/test 'ble/util/c2bc 65535' ret=3
  ble/test 'ble/util/c2bc 65536' ret=4
)

# ble/util/{chars2s,s2chars}
(
  ble/test 'ble/util/s2chars AaBbCc; ret="${ret[*]}"' ret='65 97 66 98 67 99'
  ble/test 'ble/util/chars2s 65 97 66 98 67 99' ret=AaBbCc
  ble/test 'ble/util/s2chars あいう; ret="${ret[*]}"' ret='12354 12356 12358'
  ble/test 'ble/util/chars2s 12354 12356 12358' ret=あいう

  ble/test 'ble/util/s2chars; ret="${ret[*]}"' ret=
  ble/test 'ble/util/s2chars 0; ret="${ret[*]}"' ret=48
  ble/test 'ble/util/s2chars a; ret="${ret[*]}"' ret=97
  ble/test 'ble/util/s2chars μ; ret="${ret[*]}"' ret=956
  ble/test 'ble/util/s2chars あ; ret="${ret[*]}"' ret=12354
  ble/test 'ble/util/chars2s' ret=
  ble/test 'ble/util/chars2s 48' ret=0
  ble/test 'ble/util/chars2s 97' ret=a
  ble/test 'ble/util/chars2s 956' ret=μ
  ble/test 'ble/util/chars2s 12354' ret=あ
)

# ToDo: ble/util/s2bytes

# ble/util/{c2keyseq,chars2keyseq,keyseq2chars}
(
  function check1 {
    local char=$1 keyseq=$2
    ble/test "ble/util/c2keyseq $char" ret="$keyseq"
    ble/test "ble/util/chars2keyseq $char" ret="$keyseq"
    ble/test "ble/util/keyseq2chars '$keyseq'; ret=\"\${ret[*]}\"" ret="${3:-$char}"
    ble/test "ble/util/chars2keyseq 98 $char 99" ret="b${keyseq}c"
    ble/test "ble/util/keyseq2chars 'b${keyseq}c'; ret=\"\${ret[*]}\"" ret="98 ${3:-$char} 99"
  }
  check1 '7'   '\a'
  check1 '8'   '\b'
  check1 '9'   '\t'
  check1 '10'  '\n'
  check1 '11'  '\v'
  check1 '12'  '\f'
  check1 '13'  '\r'
  check1 '27'  '\e'
  check1 '127' '\d'
  check1 '92'  '\\'
  check1 '28'  '\x1c' # workaround bashbug \C-\, \C-\\
  check1 '156' '\x9c' # workaround bashbug \C-\, \C-\\

  check1 '0'   '\C-@'
  check1 '1'   '\C-a'
  check1 '26'  '\C-z'
  check1 '29'  '\C-]'
  check1 '30'  '\C-^'
  check1 '31'  '\C-_'
  check1 '128' '\M-\C-@' '27 0'

  check1 '64'    '@'
  check1 '97'    'a'
  check1 '956'   'μ'
  check1 '12354' 'あ'

  ble/test ble/util/c2keyseq ret='\C-@'
  ble/test ble/util/chars2keyseq ret=
  ble/test ble/util/keyseq2chars ret=
)

# ble/encoding:UTF-8/{b2c,c2b}
(
  function pack { ret="${bytes[*]}"; }
  ble/test 'ble/encoding:UTF-8/b2c    ' ret=0
  ble/test 'ble/encoding:UTF-8/b2c  97' ret=97
  ble/test 'ble/encoding:UTF-8/b2c  97  98  99 99' ret=97
  ble/test 'ble/encoding:UTF-8/b2c 206 188  99 99' ret=956
  ble/test 'ble/encoding:UTF-8/b2c 227 129 130 99' ret=12354

  ble/test 'ble/encoding:UTF-8/c2b 97   ; pack' ret=97
  ble/test 'ble/encoding:UTF-8/c2b 956  ; pack' ret='206 188'
  ble/test 'ble/encoding:UTF-8/c2b 12354; pack' ret='227 129 130'

  ble/test 'ble/encoding:UTF-8/c2b     ; pack' ret=0
  ble/test 'ble/encoding:UTF-8/c2b 0   ; pack' ret=0
  ble/test 'ble/encoding:UTF-8/c2b 127 ; pack' ret=127
  ble/test 'ble/encoding:UTF-8/c2b 128 ; pack' ret='194 128'
  ble/test 'ble/encoding:UTF-8/c2b 2047; pack' ret='223 191'
  ble/test 'ble/encoding:UTF-8/c2b 2048; pack' ret='224 160 128'
)

# ble/encoding:C/{b2c,c2b}
(
  function pack { ret="${bytes[*]}"; }
  ble/test 'ble/encoding:C/b2c    ' ret=0
  ble/test 'ble/encoding:C/b2c  97' ret=97
  ble/test 'ble/encoding:C/b2c  97  98  99 99' ret=97
  ble/test 'ble/encoding:C/b2c 206 188  99 99' ret=206
  ble/test 'ble/encoding:C/b2c 227 129 130 99' ret=227

  ble/test 'ble/encoding:C/b2c 97    ' ret=97
  ble/test 'ble/encoding:C/b2c 956   ' ret=188
  ble/test 'ble/encoding:C/b2c 12354 ' ret=66

  ble/test 'ble/encoding:C/c2b     ; pack' ret=0
  ble/test 'ble/encoding:C/c2b 0   ; pack' ret=0
  ble/test 'ble/encoding:C/c2b 127 ; pack' ret=127
  ble/test 'ble/encoding:C/c2b 128 ; pack' ret=128
  ble/test 'ble/encoding:C/c2b 2047; pack' ret=255
  ble/test 'ble/encoding:C/c2b 2048; pack' ret=0
)

# ble/util/is-unicode-output
(
  function clear-locale { LC_ALL= LANG= LC_CTYPE=; }

  # The current implementation of "ble/util/is-unicode-output" tests whether
  # the specified locale is actually working, so the locales not installed in
  # the test environment would be rejected.  We suppress the test by
  # overwriting "ble/util/.test-utf8-locale".
  ble/function#push ble/util/.test-utf8-locale 'return 0'

  for lang in {C,en_US,ja{_JP,}}.{UTF-8,utf8} ja_JP.{utf8,UTF-8}@cjk{wide,narrow,single}; do
    clear-locale
    ble/test "LANG=$lang; ble/util/is-unicode-output"
    clear-locale
    ble/test "LANG=C LC_CTYPE=$lang; ble/util/is-unicode-output"
    clear-locale
    ble/test "LC_CTYPE=C LANG=C LC_ALL=$lang; ble/util/is-unicode-output"
  done

  for lang in '' C POSIX UTF-8 utf8 ja_JP.eucJP; do
    clear-locale
    ble/test "LANG=$lang; ble/util/is-unicode-output" exit=1
    clear-locale
    ble/test "LANG=C LC_CTYPE=$lang; ble/util/is-unicode-output" exit=1
    clear-locale
    ble/test "LC_CTYPE=C LANG=C LC_ALL=$lang; ble/util/is-unicode-output" exit=1
  done

  ble/function#pop ble/util/.test-utf8-locale
)

ble/test/end-section