$counter = 0
def result(result, message = nil)
  $counter += 1
  printf("%s %d%s\n",
	 result ? 'ok' : 'no', 
	 $counter, 
	 message ? ' ... ' + message : '')
end

begin
  require 'nkf'
  include NKF
rescue LoadError
  result(false)
end
result(true)

if nkf('-me', '1')
  result(true);
else
  result(false);
end

output = nkf('-e', "\033\$@#1#3#2%B")
if output
  # print output, "\n"
  result(true, output)
else
  result(false)
end

output = nkf('-Zj', "\033\$@#1#3#2%B")
if output
  # print output, "\n"
  result(true, output)
else
  result(false)
end

output = "\244\306 " * 1024
old =  output.length
output = nkf("-j", output)
if output
  # print output, "\n"
  result(true, "#{old} #{output.length}")
else
    result(false)
end


$detail = false
def test(opt, input, expect)
  print "\nINPUT:\n", input if $detail
  print "\nEXPECT:\n", expect if $detail
  result = nkf(opt, input)
  print "\nGOT:\n", result if $detail

  print result == expect ? "Ok\n" : "Fail\n"
  return result
end

# Basic Conversion
print "\nBasic Conversion test\n\n"

example = {}
example['jis'] = <<'eofeof'.unpack('u')[0]
M1FER<W0@4W1A9V4@&R1"(3DQ(3%^2R%+?D]3&RA"(%-E8V]N9"!3=&%G92`;
M)$)0)TU:&RA"($AI<F%G86YA(!LD0B0B)"0D)B0H)"HD;R1R)',;*$(*2V%T
M86MA;F$@&R1")2(E)"4F)2@E*B5O)7(E<QLH0B!+:6=O=2`;)$(A)B%G(S`C
/029!)E@G(B=!*$`;*$(*
eofeof
#'

example['sjis'] = <<'eofeof'.unpack('u')[0]
M1FER<W0@4W1A9V4@@5B)0(F>ED"6GIAR(%-E8V]N9"!3=&%G92"8I9=Y($AI
M<F%G86YA((*@@J*"I(*F@JB"[8+P@O$*2V%T86MA;F$@@T&#0X-%@T>#28./
>@Y*#DR!+:6=O=2"!18&'@D^"8(._@]:$081@A+X*
eofeof
#'

example['euc'] = <<'eofeof'.unpack('u')[0]
M1FER<W0@4W1A9V4@H;FQH;'^RZ'+_L_3(%-E8V]N9"!3=&%G92#0I\W:($AI
M<F%G86YA(*2BI*2DIJ2HI*JD[Z3RI/,*2V%T86MA;F$@I:*EI*6FI:BEJJ7O
>I?*E\R!+:6=O=2"AIJ'GH["CP:;!IMBGHJ?!J,`*
eofeof
#'

example['amb'] = <<'eofeof'.unpack('u')[0]
MI<*PL:7"L+&EPK"QI<*PL:7"L+&EPK"QI<*PL:7"L+&EPK"QI<*PL:7"L+&E
MPK"QI<*PL:7"L+&EPK"QI<(*I<*PL:7"L+&EPK"QI<*PL:7"L+&EPK"QI<*P
ML:7"L+&EPK"QI<*PL:7"L+&EPK"QI<*PL:7"L+&EPK"QI<(*I<*PL:7"L+&E
MPK"QI<*PL:7"L+&EPK"QI<*PL:7"L+&EPK"QI<*PL:7"L+&EPK"QI<*PL:7"
ML+&EPK"QI<(*I<*PL:7"L+&EPK"QI<*PL:7"L+&EPK"QI<*PL:7"L+&EPK"Q
MI<*PL:7"L+&EPK"QI<*PL:7"L+&EPK"QI<(*I<*PL:7"L+&EPK"QI<*PL:7"
ML+&EPK"QI<*PL:7"L+&EPK"QI<*PL:7"L+&EPK"QI<*PL:7"L+&EPK"QI<(*
eofeof

example['amb.euc'] = <<'eofeof'.unpack('u')[0]
M&R1")4(P,25",#$E0C`Q)4(P,25",#$E0C`Q)4(P,25",#$E0C`Q)4(P,25"
M,#$E0C`Q)4(P,25",#$E0C`Q)4(;*$(*&R1")4(P,25",#$E0C`Q)4(P,25"
M,#$E0C`Q)4(P,25",#$E0C`Q)4(P,25",#$E0C`Q)4(P,25",#$E0C`Q)4(;
M*$(*&R1")4(P,25",#$E0C`Q)4(P,25",#$E0C`Q)4(P,25",#$E0C`Q)4(P
M,25",#$E0C`Q)4(P,25",#$E0C`Q)4(;*$(*&R1")4(P,25",#$E0C`Q)4(P
M,25",#$E0C`Q)4(P,25",#$E0C`Q)4(P,25",#$E0C`Q)4(P,25",#$E0C`Q
M)4(;*$(*&R1")4(P,25",#$E0C`Q)4(P,25",#$E0C`Q)4(P,25",#$E0C`Q
>)4(P,25",#$E0C`Q)4(P,25",#$E0C`Q)4(;*$(*
eofeof

example['amb.sjis'] = <<'eofeof'.unpack('u')[0]
M&RA))4(P,25",#$E0C`Q)4(P,25",#$E0C`Q)4(P,25",#$E0C`Q)4(P,25"
M,#$E0C`Q)4(P,25",#$E0C`Q)4(;*$(*&RA))4(P,25",#$E0C`Q)4(P,25"
M,#$E0C`Q)4(P,25",#$E0C`Q)4(P,25",#$E0C`Q)4(P,25",#$E0C`Q)4(;
M*$(*&RA))4(P,25",#$E0C`Q)4(P,25",#$E0C`Q)4(P,25",#$E0C`Q)4(P
M,25",#$E0C`Q)4(P,25",#$E0C`Q)4(;*$(*&RA))4(P,25",#$E0C`Q)4(P
M,25",#$E0C`Q)4(P,25",#$E0C`Q)4(P,25",#$E0C`Q)4(P,25",#$E0C`Q
M)4(;*$(*&RA))4(P,25",#$E0C`Q)4(P,25",#$E0C`Q)4(P,25",#$E0C`Q
>)4(P,25",#$E0C`Q)4(P,25",#$E0C`Q)4(;*$(*
eofeof

example['x0201.sjis'] = <<'eofeof'.unpack('u')[0]
MD5.*<(-*@TR#3H-0@U*#2X--@T^#48-3"I%3B7""8()A@F*"8X)D@F6"9H*!
M@H*"@X*$@H6"AH*'"I%3BTR-AH%)@9>!E(&0@9.!3X&5@9:!:8%J@7R!>X&!
M@6V!;H%O@7"!CPJ4O(IPMK>X/;FZMMZWWKC>N=ZZWH+&"I2\BG#*W\O?S-_-
MW\[?M]^QW@K*W\O?S`IH86YK86MU(,K?R]_,I`K*W\O?S-VA"I2\BG""S(SC
!"@!"
eofeof
#'

example['x0201.euc'] = <<'eofeof'.unpack('u')[0]
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#N.4*
eofeof
#'

example['x0201.jis'] = <<'eofeof'.unpack('u')[0]
M&R1"030S424K)2TE+R4Q)3,E+"4N)3`E,B4T&RA""ALD0D$T,5$C02-"(T,C
M1"-%(T8C1R-A(V(C8R-D(V4C9B-G&RA""ALD0D$T-2TY9B$J(7<A="%P(7,A
M,"%U(78A2B%+(5TA7"%A(4XA3R%0(5$A;QLH0@H;)$)(/C-1&RA)-C<X&RA"
M/1LH23DZ-EXW7CA>.5XZ7ALD0B1(&RA""ALD0D@^,U$;*$E*7TM?3%]-7TY?
M-U\Q7ALH0@H;*$E*7TM?3!LH0@IH86YK86MU(!LH24I?2U],)!LH0@H;*$E*
97TM?3%TA&RA""ALD0D@^,U$D3CAE&RA""@``
eofeof
#`

example['x0201.sosi'] = <<'eofeof'.unpack('u')[0]
M&R1"030S424K)2TE+R4Q)3,E+"4N)3`E,B4T&RA*"ALD0D$T,5$C02-"(T,C
M1"-%(T8C1R-A(V(C8R-D(V4C9B-G&RA*"ALD0D$T-2TY9B$J(7<A="%P(7,A
M,"%U(78A2B%+(5TA7"%A(4XA3R%0(5$A;QLH2@H;)$)(/C-1&RA*#C8W.`\;
M*$H]#CDZ-EXW7CA>.5XZ7@\;)$(D2!LH2@H;)$)(/C-1&RA*#DI?2U],7TU?
M3E\W7S%>#PH.2E]+7TP/&RA*"FAA;FMA:W4@#DI?2U],)`\;*$H*#DI?2U],
672$/&RA*"ALD0D@^,U$D3CAE&RA""@``
eofeof
#"

example['x0201.x0208'] = <<'eofeof'.unpack('u')[0]
M&R1"030S424K)2TE+R4Q)3,E+"4N)3`E,B4T&RA""ALD0D$T,5$;*$)!0D-$
M149'86)C9&5F9PH;)$)!-#4M.68;*$(A0",D)5XF*B@I+2L]6UU[?1LD0B%O
M&RA""ALD0D@^,U$E*R4M)2\;*$(]&R1")3$E,R4L)2XE,"4R)30D2!LH0@H;
M)$)(/C-1)5$E5"57)5HE724M(2PE(B$K&RA""ALD0B51)50E51LH0@IH86YK
M86MU(!LD0B51)50E52$B&RA""ALD0B51)50E525S(2,;*$(*&R1"2#XS421.
&.&4;*$(*
eofeof
#`

example['mime.iso2022'] = <<'eofeof'.unpack('u')[0]
M/3])4T\M,C`R,BU*4#]"/T=Y4D%.144W96E23TI566Q/4U9)1WEH2S\]"CT_
M:7-O+3(P,C(M2E`_0C]'>5)!3D5%-V5I4D]*55EL3U-624=Y:$L_/0H]/VES
M;RTR,#(R+4I0/U$_/3%")$(D1B11/3%"*$)?96YD/ST*&R1`)#TD)B0K)$H;
M*$H@/3])4T\M,C`R,BU*4#]"/T=Y4D%.144W96E23U!Y:S=D:'-O4V<]/3\]
M(&5N9"!O9B!L:6YE"CT_25-/+3(P,C(M2E`_0C]'>5)!3D5%-V5I4D]0>6LW
M9&AS;U-G/3T_/2`]/TE33RTR,#(R+4I0/T(_1WE204Y%13=E:5)/4'EK-V1H
M<V]39ST]/ST*0G)O:V5N(&-A<V4*/3])4T\M,C`R,BU*4#]"/T=Y4D%.144W
M96E23U!Y:S=D"FAS;U-G/3T_/2`]/TE33RTR,`HR,BU*4#]"/T=Y4D%.144W
M96E23U!Y:S=D:'-O4V<]/3\]"CT_25-/+3(P,C(M2E`_0C]'>5)!3D5%-V5I
44D]*55EL3QM;2U-624=Y:$L_/0H_
eofeof
#'

example['mime.ans.strict'] = <<'eofeof'.unpack('u')[0]
M&R1"-$$[>B1.)48E.25(&RA""ALD0C1!.WHD3B5&)3DE2!LH0@H;)$(D1B11
M&RA"(&5N9`H;)$(D/20F)"LD2ALH0B`;)$(T03MZ)$X_*3MV&RA"96YD(&]F
M(&QI;F4*&R1"-$$[>B1./RD[=C1!.WHD3C\I.W8;*$(*0G)O:V5N(&-A<V4*
M/3])4T\M,C`R,BU*4#]"/T=Y4D%.144W96E23U!Y:S=D"FAS;U-G/3T_/2`]
M/TE33RTR,`HR,BU*4#]"/T=Y4D%.144W96E23U!Y:S=D:'-O4V<]/3\]"CT_
L25-/+3(P,C(M2E`_0C]'>5)!3D5%-V5I4D]*55EL3QM;2U-624=Y:$L_/0H_
eofeof
#'

example['mime.unbuf.strict'] = <<'eofeof'.unpack('u')[0]
M&R1"-$$[>B1.)48E.25(&RA""ALD0C1!.WHD3B5&)3DE2!LH0@H;)$(D1B11
M&RA"(&5N9`H;)$(D/20F)"LD2ALH0B`;)$(T03MZ)$X_*3MV&RA"96YD(&]F
M(&QI;F4*&R1"-$$[>B1./RD[=C1!.WHD3C\I.W8;*$(*0G)O:V5N(&-A<V4*
M&R1"-$$[>B1./RD;*$)H<V]39ST]/ST@/3])4T\M,C`*,C(M2E`_0C]'>5)!
M3D5%-V5I4D]0>6LW9&AS;U-G/3T_/0H;)$(T03MZ)$XE1ALH0EM+4U9)1WEH
$2S\]"F5I
eofeof

example['mime.ans'] = <<'eofeof'.unpack('u')[0]
M&R1"-$$[>B1.)48E.25(&RA""ALD0C1!.WHD3B5&)3DE2!LH0@H;)$(D1B11
M&RA"(&5N9`H;)$(D/20F)"LD2ALH0B`;)$(T03MZ)$X_*3MV&RA"96YD(&]F
M(&QI;F4*&R1"-$$[>B1./RD[=C1!.WHD3C\I.W8;*$(*0G)O:V5N(&-A<V4*
M&R1"-$$[>B1./RD;*$)H<V]39ST]/ST@&R1"-$$[>B1./RD[=ALH0@H;)$(T
603MZ)$XE1ALH0EM+4U9)1WEH2S\]"@`*
eofeof
#"

example['mime.unbuf'] = <<'eofeof'.unpack('u')[0]
M&R1"-$$[>B1.)48E.25(&RA""ALD0C1!.WHD3B5&)3DE2!LH0@H;)$(D1B11
M&RA"(&5N9`H;)$(D/20F)"LD2ALH0B`;)$(T03MZ)$X_*3MV&RA"96YD(&]F
M(&QI;F4*&R1"-$$[>B1./RD[=C1!.WHD3C\I.W8;*$(*0G)O:V5N(&-A<V4*
M&R1"-$$[>B1./RD;*$)H<V]39ST]/ST@&R1"-$$[>B1./RD[=ALH0@H;)$(T
603MZ)$XE1ALH0EM+4U9)1WEH2S\]"@`*
eofeof
#"

example['mime.base64'] = <<'eofeof'.unpack('u')[0]
M9W-M5"])3&YG<FU#>$I+-&=Q=4,S24LS9W%Q0E%:3TUI-39,,S0Q-&=S5T)1
M43!+9VUA1%9O3T@*9S)+1%1O3'=K8C)1;$E+;V=Q2T-X24MG9W5M0W%*3EEG
<<T=#>$E+9V=U;4,X64Q&9W)70S592VMG<6U""F=Q
eofeof
#"

example['mime.base64.ans'] = <<'eofeof'.unpack('u')[0]
M&R1")$M&?B1I)#LD1D0Z)"TD7B0Y)"PA(D5L-7XV83E9)$<A(ALH0@T*&R1"
M(T<E-R5G)4,E+R1R0C\_="0J)"0D1B0B)&LD*D4Y)$,D1B0B)&LD<R1')#<D
(9R0F)"L;*$(E
eofeof
#'

example['mime.is8859'] = <<'eofeof'.unpack('u')[0]
M/3])4T\M.#@U.2TQ/U$_*CU#-V%V83\_/2`*4&5E<B!4]G)N9W)E;@I,87-S
M92!(:6QL97+X92!0971E<G-E;B`@7"`B36EN(&MA97!H97-T(&AA<B!F86%E
M="!E="!F;V5L(2(*06%R:'5S(%5N:79E<G-I='DL($1%3DU!4DL@(%P@(DUI
<;B!KYG!H97-T(&AA<B!FY65T(&5T(&;X;"$B"@!K
eofeof

example['mime.is8859.ans'] = <<'eofeof'.unpack('u')[0]
M*L=A=F$_(`I0965R(%3V<FYG<F5N"DQA<W-E($AI;&QE<OAE(%!E=&5R<V5N
M("!<(")-:6X@:V%E<&AE<W0@:&%R(&9A865T(&5T(&9O96PA(@I!87)H=7,@
M56YI=F5R<VET>2P@1$5.34%22R`@7"`B36EN(&OF<&AE<W0@:&%R(&;E970@
)970@9OAL(2(*
eofeof
#"

print 'JIS  to JIS ... '; test('  ', example['jis'], example['jis'])
print 'JIS  to SJIS... '; test('-s', example['jis'], example['sjis'])
print 'JIS  to EUC ... '; test('-e', example['jis'], example['euc'])

print 'SJIS to JIS ... '; test('-j', example['sjis'], example['jis'])
print 'SJIS to SJIS... '; test('-s', example['sjis'], example['sjis'])
print 'SJIS to EUC ... '; test('-e', example['sjis'], example['euc'])

print 'EUC  to JIS ... '; test('  ', example['euc'], example['jis'])
print 'EUC  to SJIS... '; test('-s', example['euc'], example['sjis'])
print 'EUC  to EUC ... '; test('-e', example['euc'], example['euc'])


# Ambigous Case
print 'Ambiguous Case. '; test(''  , example['amb'], example['amb.euc'])

# Input assumption
print 'SJIS  Input assumption '
test('-Sx', example['amb'], example['amb.sjis'])

# X0201 仮名
# X0201->X0208 conversion
# X0208 aphabet -> ASCII
# X0201 相互変換

print "\nX0201 test\n\n"

# -X is necessary to allow X0201 in SJIS
# -Z convert X0208 alphabet to ASCII
print 'X0201 conversion: SJIS '
test('-XZ', example['x0201.sjis'], example['x0201.x0208'])
print 'X0201 conversion: JIS  '
test('-Z',  example['x0201.jis'],  example['x0201.x0208'])
print 'X0201 conversion:SI/SO '
test('-Z',  example['x0201.sosi'], example['x0201.x0208'])
print 'X0201 conversion: EUC  '
test('-Z',  example['x0201.euc'],  example['x0201.x0208'])
# -x means X0201 output
print 'X0201 output: SJIS     '
test('-xs', example['x0201.euc'],  example['x0201.sjis'])
print 'X0201 output: JIS      '
test('-xj', example['x0201.sjis'], example['x0201.jis'])
print 'X0201 output: EUC      '
test('-xe', example['x0201.jis'],  example['x0201.euc'])

# MIME decode

print "\nMIME test\n\n"

# MIME ISO-2022-JP

print "Next test is expeced to Fail.\n"

print 'MIME decode (strict)   '
tmp = test('-m', example['mime.iso2022'], example['mime.ans.strict'])
print 'MIME decode (nonstrict)'
tmp = test('-m', example['mime.iso2022'], example['mime.ans'])
#    open(OUT,'>tmp1');print OUT pack('u',$tmp);close(OUT);
# unbuf mode implies more pessimistic decode
print 'MIME decode (unbuf)    '
test('-mu', example['mime.iso2022'], example['mime.unbuf'])
print 'MIME decode (base64)   '
t = test('-mB', example['mime.base64'],  example['mime.base64.ans'])

# MIME ISO-8859-1

# Without -l, ISO-8859-1 was handled as X0201.

print 'MIME ISO-8859-1 (Q)    '
test('-ml', example['mime.is8859'], example['mime.is8859.ans'])