tests/json.at

   1 m4_define([JSON_CHECK_POSITIVE],
   2   [AT_SETUP([$1])
   3    AT_KEYWORDS([json positive])
   4    AT_CHECK([printf %s "AS_ESCAPE([$2])" > input])
   5    AT_CAPTURE_FILE([input])
   6    AT_CHECK([test-json $4 input], [0], [stdout], [])
   7    AT_CHECK([cat stdout], [0], [$3
   8 ])
   9    AT_CLEANUP])
  10
  11 m4_define([JSON_CHECK_NEGATIVE],
  12   [AT_SETUP([$1])
  13    AT_KEYWORDS([json negative])
  14    AT_CHECK([printf %s "AS_ESCAPE([$2])" > input])
  15    AT_CAPTURE_FILE([input])
  16    AT_CHECK([test-json $4 input], [1], [stdout], [])
  17    AT_CHECK([[sed 's/^error: [^:]*:/error:/' < stdout]], [0], [$3
  18 ])
  19    AT_CLEANUP])
  20
  21 AT_BANNER([JSON -- arrays])
  22
  23 JSON_CHECK_POSITIVE([empty array], [[ [   ] ]], [[[]]])
  24 JSON_CHECK_POSITIVE([single-element array], [[ [ 1 ] ]], [[[1]]])
  25 JSON_CHECK_POSITIVE([2-element array], [[ [ 1, 2 ] ]], [[[1,2]]])
  26 JSON_CHECK_POSITIVE([many-element array],
  27                     [[ [ 1, 2, 3, 4, 5 ] ]],
  28                     [[[1,2,3,4,5]]])
  29 JSON_CHECK_NEGATIVE([missing comma], [[ [ 1, 2, 3 4, 5 ] ]],
  30                     [error: syntax error expecting '@:>@' or ','])
  31 JSON_CHECK_NEGATIVE([trailing comma not allowed],
  32                     [[[1,2,]]], [error: syntax error expecting value])
  33 JSON_CHECK_NEGATIVE([doubled comma not allowed],
  34                     [[[1,,2]]], [error: syntax error expecting value])
  35
  36 AT_BANNER([JSON -- strings])
  37
  38 JSON_CHECK_POSITIVE([empty string], [[[ "" ]]], [[[""]]])
  39 JSON_CHECK_POSITIVE([1-character strings],
  40                     [[[ "a", "b", "c" ]]],
  41                     [[["a","b","c"]]])
  42 JSON_CHECK_POSITIVE([escape sequences],
  43   [[[ " \" \\ \/ \b \f \n \r \t" ]]],
  44   [[[" \" \\ / \b \f \n \r \t"]]])
  45 JSON_CHECK_POSITIVE([Unicode escape sequences],
  46   [[[ " \u0022 \u005c \u002F \u0008 \u000c \u000A \u000d \u0009" ]]],
  47   [[[" \" \\ / \b \f \n \r \t"]]])
  48 JSON_CHECK_POSITIVE([surrogate pairs],
  49   [[["\ud834\udd1e"]]],
  50   [[["𝄞"]]])
  51 JSON_CHECK_NEGATIVE([a string by itself is not valid JSON], ["xxx"],
  52                     [error: syntax error at beginning of input])
  53 JSON_CHECK_NEGATIVE([end of line in quoted string],
  54                     [[["xxx
  55 "]]],
  56                     [error: U+000A must be escaped in quoted string])
  57 JSON_CHECK_NEGATIVE([formfeed in quoted string],
  58                     [[["xxx\f"]]],
  59                     [error: U+000C must be escaped in quoted string])
  60 JSON_CHECK_NEGATIVE([bad escape in quoted string],
  61                     [[["\x12"]]],
  62                     [error: bad escape \x])
  63 JSON_CHECK_NEGATIVE([\u must be followed by 4 hex digits (1)],
  64                     [[["\u1x"]]],
  65                     [error: quoted string ends within \u escape])
  66 JSON_CHECK_NEGATIVE([\u must be followed by 4 hex digits (2)],
  67                     [[["\u1xyz"]]],
  68                     [error: malformed \u escape])
  69 JSON_CHECK_NEGATIVE([isolated leading surrogate not allowed],
  70                     [[["\ud834xxx"]]],
  71                     [error: malformed escaped surrogate pair])
  72 JSON_CHECK_NEGATIVE([surrogatess must paired properly],
  73                     [[["\ud834\u1234"]]],
  74                     [error: second half of escaped surrogate pair is not trailing surrogate])
  75 JSON_CHECK_NEGATIVE([null bytes not allowed],
  76                     [[["\u0000"]]],
  77                     [error: null bytes not supported in quoted strings])
  78
  79 AT_SETUP([end of input in quoted string])
  80 AT_KEYWORDS([json negative])
  81 AT_CHECK([printf '\"xxx' | test-json -], [1],
  82   [error: line 0, column 4, byte 4: unexpected end of input in quoted string
  83 ])
  84 AT_CLEANUP
  85
  86 AT_BANNER([JSON -- objects])
  87
  88 JSON_CHECK_POSITIVE([empty object], [[{ }]], [[{}]])
  89 JSON_CHECK_POSITIVE([simple object],
  90                     [[{"b": 2, "a": 1, "c": 3}]],
  91                     [[{"a":1,"b":2,"c":3}]])
  92 JSON_CHECK_NEGATIVE([bad value], [[{"a": }, "b": 2]],
  93                     [error: syntax error expecting value])
  94 JSON_CHECK_NEGATIVE([missing colon], [[{"b": 2, "a" 1, "c": 3}]],
  95                     [error: syntax error parsing object expecting ':'])
  96 JSON_CHECK_NEGATIVE([missing comma], [[{"b": 2 "a" 1, "c": 3}]],
  97                     [error: syntax error expecting '}' or ','])
  98 JSON_CHECK_NEGATIVE([trailing comma not allowed],
  99                     [[{"b": 2, "a": 1, "c": 3, }]],
 100                     [[error: syntax error parsing object expecting string]])
 101 JSON_CHECK_NEGATIVE([doubled comma not allowed],
 102                     [[{"b": 2, "a": 1,, "c": 3}]],
 103                     [[error: syntax error parsing object expecting string]])
 104 JSON_CHECK_NEGATIVE([names must be strings],
 105                     [[{1: 2}]],
 106                     [[error: syntax error parsing object expecting string]])
 107
 108 AT_BANNER([JSON -- literal names])
 109
 110 JSON_CHECK_POSITIVE([null], [[[ null ]]], [[[null]]])
 111 JSON_CHECK_POSITIVE([false], [[[ false ]]], [[[false]]])
 112 JSON_CHECK_POSITIVE([true], [[[ true ]]], [[[true]]])
 113 JSON_CHECK_NEGATIVE([a literal by itself is not valid JSON], [null],
 114                     [error: syntax error at beginning of input])
 115 JSON_CHECK_NEGATIVE([nullify is invalid], [[[ nullify ]]],
 116                     [error: invalid keyword 'nullify'])
 117 JSON_CHECK_NEGATIVE([nubs is invalid], [[[ nubs ]]],
 118                     [error: invalid keyword 'nubs'])
 119 JSON_CHECK_NEGATIVE([xxx is invalid], [[[ xxx ]]],
 120                     [error: invalid keyword 'xxx'])
 121
 122 AT_BANNER([JSON -- numbers])
 123
 124 JSON_CHECK_POSITIVE(
 125   [integers expressed as reals],
 126   [[[1.0000000000,
 127      2.00000000000000000000000000000000000,
 128      2e5,
 129      2.1234e4,
 130      2.1230e3,
 131      0e-10000,
 132      0e10000]]],
 133   [[[1,2,200000,21234,2123,0,0]]])
 134 JSON_CHECK_POSITIVE(
 135   [large integers],
 136   [[[9223372036854775807, -9223372036854775808]]],
 137   [[[9223372036854775807,-9223372036854775808]]])
 138 JSON_CHECK_POSITIVE(
 139   [large integers expressed as reals],
 140   [[[9223372036854775807.0, -9223372036854775808.0,
 141      92233720.36854775807e11, -9.223372036854775808e18]]],
 142   [[[9223372036854775807,-9223372036854775808,9223372036854775807,-9223372036854775808]]])
 143 # It seems likely that the following test will fail on some system that
 144 # rounds slightly differently in arithmetic or in printf, but I'd like
 145 # to keep it this way until we run into such a system.
 146 JSON_CHECK_POSITIVE(
 147   [large integers that overflow to reals],
 148   [[[9223372036854775807000, -92233720368547758080000]]],
 149   [[[9.22337203685478e+21,-9.22337203685478e+22]]])
 150
 151 JSON_CHECK_POSITIVE(
 152   [negative zero],
 153   [[[-0, -0.0, 1e-9999, -1e-9999]]],
 154   [[[0,0,0,0]]])
 155
 156 JSON_CHECK_POSITIVE(
 157   [reals],
 158   [[[0.0, 1.0, 2.0, 3.0, 3.5, 81.250]]],
 159   [[[0,1,2,3,3.5,81.25]]])
 160 JSON_CHECK_POSITIVE(
 161   [scientific notation],
 162   [[[1e3, 1E3, 2.5E2, 1e+3, 125e-3, 3.125e-2, 3125e-05, 1.525878906e-5]]],
 163   [[[1000,1000,250,1000,0.125,0.03125,0.03125,1.525878906e-05]]])
 164 # It seems likely that the following test will fail on some system that
 165 # rounds slightly differently in arithmetic or in printf, but I'd like
 166 # to keep it this way until we run into such a system.
 167 JSON_CHECK_POSITIVE(
 168   [+/- DBL_MAX],
 169   [[[1.7976931348623157e+308, -1.7976931348623157e+308]]],
 170   [[[1.79769313486232e+308,-1.79769313486232e+308]]])
 171
 172 JSON_CHECK_POSITIVE(
 173   [negative reals],
 174   [[[-0, -1.0, -2.0, -3.0, -3.5, -8.1250]]],
 175   [[[0,-1,-2,-3,-3.5,-8.125]]])
 176 JSON_CHECK_POSITIVE(
 177   [negative scientific notation],
 178   [[[-1e3, -1E3, -2.5E2, -1e+3, -125e-3, -3.125e-2, -3125e-05, -1.525878906e-5]]],
 179   [[[-1000,-1000,-250,-1000,-0.125,-0.03125,-0.03125,-1.525878906e-05]]])
 180 JSON_CHECK_POSITIVE(
 181   [1e-9999 underflows to 0],
 182   [[[1e-9999]]],
 183   [[[0]]])
 184 JSON_CHECK_NEGATIVE([a number by itself is not valid JSON], [1],
 185                     [error: syntax error at beginning of input])
 186 JSON_CHECK_NEGATIVE(
 187   [leading zeros not allowed],
 188   [[[0123]]],
 189   [error: leading zeros not allowed])
 190 JSON_CHECK_NEGATIVE(
 191   [1e9999 is too big],
 192   [[[1e9999]]],
 193   [error: number outside valid range])
 194 JSON_CHECK_NEGATIVE(
 195   [exponent bigger than INT_MAX],
 196   [[[1e9999999999999999999]]],
 197   [error: exponent outside valid range])
 198 JSON_CHECK_NEGATIVE(
 199   [decimal point must be followed by digit],
 200   [[[1.]]],
 201   [error: decimal point must be followed by digit])
 202 JSON_CHECK_NEGATIVE(
 203   [exponent must contain at least one digit (1)],
 204   [[[1e]]],
 205   [error: exponent must contain at least one digit])
 206 JSON_CHECK_NEGATIVE(
 207   [exponent must contain at least one digit (2)],
 208   [[[1e+]]],
 209   [error: exponent must contain at least one digit])
 210 JSON_CHECK_NEGATIVE(
 211   [exponent must contain at least one digit (3)],
 212   [[[1e-]]],
 213   [error: exponent must contain at least one digit])
 214
 215 AT_BANNER([JSON -- RFC 4627 examples])
 216
 217 JSON_CHECK_POSITIVE([RFC 4267 object example],
 218 [[{
 219    "Image": {
 220        "Width":  800,
 221        "Height": 600,
 222        "Title":  "View from 15th Floor",
 223        "Thumbnail": {
 224            "Url":    "http://www.example.com/image/481989943",
 225            "Height": 125,
 226            "Width":  "100"
 227        },
 228        "IDs": [116, 943, 234, 38793]
 229      }
 230 }]],
 231 [[{"Image":{"Height":600,"IDs":[116,943,234,38793],"Thumbnail":{"Height":125,"Url":"http://www.example.com/image/481989943","Width":"100"},"Title":"View from 15th Floor","Width":800}}]])
 232
 233 JSON_CHECK_POSITIVE([RFC 4267 array example],
 234 [[[
 235    {
 236       "precision": "zip",
 237       "Latitude":  37.7668,
 238       "Longitude": -122.3959,
 239       "Address":   "",
 240       "City":      "SAN FRANCISCO",
 241       "State":     "CA",
 242       "Zip":       "94107",
 243       "Country":   "US"
 244    },
 245    {
 246       "precision": "zip",
 247       "Latitude":  37.371991,
 248       "Longitude": -122.026020,
 249       "Address":   "",
 250       "City":      "SUNNYVALE",
 251       "State":     "CA",
 252       "Zip":       "94085",
 253       "Country":   "US"
 254    }
 255 ]]],
 256 [[[{"Address":"","City":"SAN FRANCISCO","Country":"US","Latitude":37.7668,"Longitude":-122.3959,"State":"CA","Zip":"94107","precision":"zip"},{"Address":"","City":"SUNNYVALE","Country":"US","Latitude":37.371991,"Longitude":-122.02602,"State":"CA","Zip":"94085","precision":"zip"}]]])
 257
 258 AT_BANNER([JSON -- pathological cases])
 259
 260 JSON_CHECK_NEGATIVE([trailing garbage], [[[1]null]],
 261                     [error: trailing garbage at end of input])
 262 JSON_CHECK_NEGATIVE([formfeeds are not valid white space],
 263                     [[[\f]]], [error: invalid character U+000c])
 264 JSON_CHECK_NEGATIVE([';' is not a valid token],
 265                     [;], [error: invalid character ';'])
 266 JSON_CHECK_NEGATIVE([arrays nesting too deep],
 267                     [m4_for([i], [0], [1002], [1], [@<:@])dnl
 268                      m4_for([i], [0], [1002], [1], [@:>@])],
 269                     [error: input exceeds maximum nesting depth 1000])
 270 JSON_CHECK_NEGATIVE([objects nesting too deep],
 271                     [m4_for([i], [0], [1002], [1], [{"x":])dnl
 272                      m4_for([i], [0], [1002], [1], [}])],
 273                     [error: input exceeds maximum nesting depth 1000])
 274
 275 AT_SETUP([input may not be empty])
 276 AT_KEYWORDS([json negative])
 277 AT_CHECK([test-json /dev/null], [1], [error: line 0, column 0, byte 0: empty input stream
 278 ])
 279 AT_CLEANUP
 280
 281 AT_BANNER([JSON -- multiple inputs])
 282
 283 JSON_CHECK_POSITIVE([multiple adjacent objects], [[{}{}{}]], [[{}
 284 {}
 285 {}]],
 286   [--multiple])
 287
 288 JSON_CHECK_POSITIVE([multiple space-separated objects], [[{}  {}  {}]], [[{}
 289 {}
 290 {}]],
 291   [--multiple])
 292
 293 JSON_CHECK_POSITIVE([multiple objects on separate lines], [[{}
 294 {}
 295 {}]], [[{}
 296 {}
 297 {}]],
 298   [--multiple])
 299
 300 JSON_CHECK_POSITIVE([multiple objects and arrays], [[{}[]{}[]]], [[{}
 301 []
 302 {}
 303 []]],
 304   [--multiple])
 305
 306 JSON_CHECK_NEGATIVE([garbage between multiple objects], [[{}x{}]], [[{}
 307 error: invalid keyword 'x'
 308 {}]], [--multiple])
 309
 310 JSON_CHECK_NEGATIVE([garbage after multiple objects], [[{}{}x]], [[{}
 311 {}
 312 error: invalid keyword 'x']], [--multiple])