summaryrefslogtreecommitdiff
path: root/tests/test-suite/tpack.js
blob: ebce4e495f2bfdc7ab2e538e02f0bb1015449ad4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
"use strict";

const test     = require('tape');

const lua     = require('../../src/lua.js');
const lauxlib = require('../../src/lauxlib.js');
const lualib  = require('../../src/lualib.js');


const prefix = `
    local pack = string.pack
    local packsize = string.packsize
    local unpack = string.unpack

    function checkerror (msg, f, ...)
      local status, err = pcall(f, ...)
      -- print(status, err, msg)
      assert(not status and string.find(err, msg))
    end

    local NB = 16

    local sizeshort = packsize("h")
    local sizeint = packsize("i")
    local sizelong = packsize("l")
    local sizesize_t = packsize("T")
    local sizeLI = packsize("j")
    local sizefloat = packsize("f")
    local sizedouble = packsize("d")
    local sizenumber = packsize("n")
    local little = (pack("i2", 1) == "\\1\\0")
    local align = packsize("!xXi16")
`;

test("[test-suite] tpack: maximum size for integers", function (t) {
    let luaCode = `
        assert(1 <= sizeshort and sizeshort <= sizeint and sizeint <= sizelong and
               sizefloat <= sizedouble)

        print("platform:")
        print(string.format(
          "\\tshort %d, int %d, long %d, size_t %d, float %d, double %d,\\n\\z
           \\tlua Integer %d, lua Number %d",
           sizeshort, sizeint, sizelong, sizesize_t, sizefloat, sizedouble,
           sizeLI, sizenumber))
        print("\\t" .. (little and "little" or "big") .. " endian")
        print("\\talignment: " .. align)
    `, L;

    t.plan(2);

    t.doesNotThrow(function () {

        L = lauxlib.luaL_newstate();

        lualib.luaL_openlibs(L);

        lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode));

    }, "Lua program loaded without error");

    t.doesNotThrow(function () {

        lua.lua_call(L, 0, -1);

    }, "Lua program ran without error");

});


test("[test-suite] tpack: minimum behavior for integer formats", function (t) {
    let luaCode = `
        assert(unpack("B", pack("B", 0xff)) == 0xff)
        assert(unpack("b", pack("b", 0x7f)) == 0x7f)
        assert(unpack("b", pack("b", -0x80)) == -0x80)

        assert(unpack("H", pack("H", 0xffff)) == 0xffff)
        assert(unpack("h", pack("h", 0x7fff)) == 0x7fff)
        assert(unpack("h", pack("h", -0x8000)) == -0x8000)

        assert(unpack("L", pack("L", 0xffffffff)) == 0xffffffff)
        assert(unpack("l", pack("l", 0x7fffffff)) == 0x7fffffff)
        assert(unpack("l", pack("l", -0x80000000)) == -0x80000000)
    `, L;

    t.plan(2);

    t.doesNotThrow(function () {

        L = lauxlib.luaL_newstate();

        lualib.luaL_openlibs(L);

        lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode));

    }, "Lua program loaded without error");

    t.doesNotThrow(function () {

        lua.lua_call(L, 0, -1);

    }, "Lua program ran without error");

});


test("[test-suite] tpack: minimum behavior for integer formats", function (t) {
    let luaCode = `
        for i = 1, NB do
          -- small numbers with signal extension ("\\xFF...")
          local s = string.rep("\\xff", i)
          assert(pack("i" .. i, -1) == s)
          assert(packsize("i" .. i) == #s)
          assert(unpack("i" .. i, s) == -1)

          -- small unsigned number ("\\0...\\xAA")
          s = "\\xAA" .. string.rep("\\0", i - 1)
          assert(pack("<I" .. i, 0xAA) == s)
          assert(unpack("<I" .. i, s) == 0xAA)
          assert(pack(">I" .. i, 0xAA) == s:reverse())
          assert(unpack(">I" .. i, s:reverse()) == 0xAA)
        end
    `, L;

    t.plan(2);

    t.doesNotThrow(function () {

        L = lauxlib.luaL_newstate();

        lualib.luaL_openlibs(L);

        lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode));

    }, "Lua program loaded without error");

    t.doesNotThrow(function () {

        lua.lua_call(L, 0, -1);

    }, "Lua program ran without error");

});


test("[test-suite] tpack: minimum behavior for integer formats", function (t) {
    let luaCode = `
        do
          local lnum = 0x13121110090807060504030201
          local s = pack("<j", lnum)
          assert(unpack("<j", s) == lnum)
          assert(unpack("<i" .. sizeLI + 1, s .. "\\0") == lnum)
          assert(unpack("<i" .. sizeLI + 1, s .. "\\0") == lnum)

          for i = sizeLI + 1, NB do
            local s = pack("<j", -lnum)
            assert(unpack("<j", s) == -lnum)
            -- strings with (correct) extra bytes
            assert(unpack("<i" .. i, s .. ("\\xFF"):rep(i - sizeLI)) == -lnum)
            assert(unpack(">i" .. i, ("\\xFF"):rep(i - sizeLI) .. s:reverse()) == -lnum)
            assert(unpack("<I" .. i, s .. ("\\0"):rep(i - sizeLI)) == -lnum)

            -- overflows
            checkerror("does not fit", unpack, "<I" .. i, ("\\x00"):rep(i - 1) .. "\\1")
            checkerror("does not fit", unpack, ">i" .. i, "\\1" .. ("\\x00"):rep(i - 1))
          end
        end
    `, L;

    t.plan(2);

    t.doesNotThrow(function () {

        L = lauxlib.luaL_newstate();

        lualib.luaL_openlibs(L);

        lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode));

    }, "Lua program loaded without error");

    t.doesNotThrow(function () {

        lua.lua_call(L, 0, -1);

    }, "Lua program ran without error");

});


test("[test-suite] tpack: minimum behavior for integer formats", function (t) {
    let luaCode = `
        for i = 1, sizeLI do
          local lstr = "\\1\\2\\3\\4\\5\\6\\7\\8\\9\\10\\11\\12\\13"
          local lnum = 0x13121110090807060504030201
          local n = lnum & (~(-1 << (i * 8)))
          local s = string.sub(lstr, 1, i)
          assert(pack("<i" .. i, n) == s)
          assert(pack(">i" .. i, n) == s:reverse())
          assert(unpack(">i" .. i, s:reverse()) == n)
        end
    `, L;

    t.plan(2);

    t.doesNotThrow(function () {

        L = lauxlib.luaL_newstate();

        lualib.luaL_openlibs(L);

        lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode));

    }, "Lua program loaded without error");

    t.doesNotThrow(function () {

        lua.lua_call(L, 0, -1);

    }, "Lua program ran without error");

});


test("[test-suite] tpack: sign extension", function (t) {
    let luaCode = `
        do
          local u = 0xf0
          for i = 1, sizeLI - 1 do
            assert(unpack("<i"..i, "\\xf0"..("\\xff"):rep(i - 1)) == -16)
            assert(unpack(">I"..i, "\\xf0"..("\\xff"):rep(i - 1)) == u)
            u = u * 256 + 0xff
          end
        end
    `, L;

    t.plan(2);

    t.doesNotThrow(function () {

        L = lauxlib.luaL_newstate();

        lualib.luaL_openlibs(L);

        lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode));

    }, "Lua program loaded without error");

    t.doesNotThrow(function () {

        lua.lua_call(L, 0, -1);

    }, "Lua program ran without error");

});


test("[test-suite] tpack: mixed endianness", function (t) {
    let luaCode = `
        do
          assert(pack(">i2 <i2", 10, 20) == "\\0\\10\\20\\0")
          local a, b = unpack("<i2 >i2", "\\10\\0\\0\\20")
          assert(a == 10 and b == 20)
          assert(pack("=i4", 2001) == pack("i4", 2001))
        end
    `, L;

    t.plan(2);

    t.doesNotThrow(function () {

        L = lauxlib.luaL_newstate();

        lualib.luaL_openlibs(L);

        lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode));

    }, "Lua program loaded without error");

    t.doesNotThrow(function () {

        lua.lua_call(L, 0, -1);

    }, "Lua program ran without error");

});


test("[test-suite] tpack: testing invalid formats", function (t) {
    let luaCode = `
        checkerror("out of limits", pack, "i0", 0)
        checkerror("out of limits", pack, "i" .. NB + 1, 0)
        checkerror("out of limits", pack, "!" .. NB + 1, 0)
        checkerror("%(17%) out of limits %[1,16%]", pack, "Xi" .. NB + 1)
        checkerror("invalid format option 'r'", pack, "i3r", 0)
        checkerror("16%-byte integer", unpack, "i16", string.rep('\\3', 16))
        checkerror("not power of 2", pack, "!4i3", 0);
        checkerror("missing size", pack, "c", "")
        checkerror("variable%-length format", packsize, "s")
        checkerror("variable%-length format", packsize, "z")
    `, L;

    t.plan(2);

    t.doesNotThrow(function () {

        L = lauxlib.luaL_newstate();

        lualib.luaL_openlibs(L);

        lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode));

    }, "Lua program loaded without error");

    t.doesNotThrow(function () {

        lua.lua_call(L, 0, -1);

    }, "Lua program ran without error");

});


test("[test-suite] tpack: overflow in option size (error will be in digit after limit)", function (t) {
    let luaCode = `
        checkerror("invalid format", packsize, "c1" .. string.rep("0", 40))

        if packsize("i") == 4 then
          -- result would be 2^31  (2^3 repetitions of 2^28 strings)
          local s = string.rep("c268435456", 2^3)
          checkerror("too large", packsize, s)
          -- one less is OK
          s = string.rep("c268435456", 2^3 - 1) .. "c268435455"
          assert(packsize(s) == 0x7fffffff)
        end
    `, L;

    t.plan(2);

    t.doesNotThrow(function () {

        L = lauxlib.luaL_newstate();

        lualib.luaL_openlibs(L);

        lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode));

    }, "Lua program loaded without error");

    t.doesNotThrow(function () {

        lua.lua_call(L, 0, -1);

    }, "Lua program ran without error");

});


test("[test-suite] tpack: overflow in packing", function (t) {
    let luaCode = `
        for i = 1, sizeLI - 1 do
          local umax = (1 << (i * 8)) - 1
          local max = umax >> 1
          local min = ~max
          checkerror("overflow", pack, "<I" .. i, -1)
          checkerror("overflow", pack, "<I" .. i, min)
          checkerror("overflow", pack, ">I" .. i, umax + 1)

          checkerror("overflow", pack, ">i" .. i, umax)
          checkerror("overflow", pack, ">i" .. i, max + 1)
          checkerror("overflow", pack, "<i" .. i, min - 1)

          assert(unpack(">i" .. i, pack(">i" .. i, max)) == max)
          assert(unpack("<i" .. i, pack("<i" .. i, min)) == min)
          assert(unpack(">I" .. i, pack(">I" .. i, umax)) == umax)
        end
    `, L;

    t.plan(2);

    t.doesNotThrow(function () {

        L = lauxlib.luaL_newstate();

        lualib.luaL_openlibs(L);

        lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode));

    }, "Lua program loaded without error");

    t.doesNotThrow(function () {

        lua.lua_call(L, 0, -1);

    }, "Lua program ran without error");

});


test("[test-suite] tpack: Lua integer size", function (t) {
    let luaCode = `
        assert(unpack(">j", pack(">j", math.maxinteger)) == math.maxinteger)
        assert(unpack("<j", pack("<j", math.mininteger)) == math.mininteger)
        assert(unpack("<J", pack("<j", -1)) == -1)   -- maximum unsigned integer

        if little then
          assert(pack("f", 24) == pack("<f", 24))
        else
          assert(pack("f", 24) == pack(">f", 24))
        end
    `, L;

    t.plan(2);

    t.doesNotThrow(function () {

        L = lauxlib.luaL_newstate();

        lualib.luaL_openlibs(L);

        lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode));

    }, "Lua program loaded without error");

    t.doesNotThrow(function () {

        lua.lua_call(L, 0, -1);

    }, "Lua program ran without error");

});


test("[test-suite] tpack: testing pack/unpack of floating-point numbers", function (t) {
    let luaCode = `
        for _, n in ipairs{0, -1.1, 1.9, 1/0, -1/0, 1e20, -1e20, 0.1, 2000.7} do
            assert(unpack("n", pack("n", n)) == n)
            assert(unpack("<n", pack("<n", n)) == n)
            assert(unpack(">n", pack(">n", n)) == n)
            assert(pack("<f", n) == pack(">f", n):reverse())
            assert(pack(">d", n) == pack("<d", n):reverse())
        end

        -- for non-native precisions, test only with "round" numbers
        for _, n in ipairs{0, -1.5, 1/0, -1/0, 1e10, -1e9, 0.5, 2000.25} do
          assert(unpack("<f", pack("<f", n)) == n)
          assert(unpack(">f", pack(">f", n)) == n)
          assert(unpack("<d", pack("<d", n)) == n)
          assert(unpack(">d", pack(">d", n)) == n)
        end
    `, L;

    t.plan(2);

    t.doesNotThrow(function () {

        L = lauxlib.luaL_newstate();

        lualib.luaL_openlibs(L);

        lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode));

    }, "Lua program loaded without error");

    t.doesNotThrow(function () {

        lua.lua_call(L, 0, -1);

    }, "Lua program ran without error");

});


test("[test-suite] tpack: testing pack/unpack of strings", function (t) {
    let luaCode = `
        do
          local s = string.rep("abc", 1000)
          assert(pack("zB", s, 247) == s .. "\\0\\xF7")
          local s1, b = unpack("zB", s .. "\\0\\xF9")
          assert(b == 249 and s1 == s)
          s1 = pack("s", s)
          assert(unpack("s", s1) == s)

          checkerror("does not fit", pack, "s1", s)

          checkerror("contains zeros", pack, "z", "alo\\0");

          for i = 2, NB do
            local s1 = pack("s" .. i, s)
            assert(unpack("s" .. i, s1) == s and #s1 == #s + i)
          end
        end

        do
          local x = pack("s", "alo")
          checkerror("too short", unpack, "s", x:sub(1, -2))
          checkerror("too short", unpack, "c5", "abcd")
          checkerror("out of limits", pack, "s100", "alo")
        end

        do
          assert(pack("c0", "") == "")
          assert(packsize("c0") == 0)
          assert(unpack("c0", "") == "")
          assert(pack("<! c3", "abc") == "abc")
          assert(packsize("<! c3") == 3)
          assert(pack(">!4 c6", "abcdef") == "abcdef")
          assert(pack("c3", "123") == "123")
          assert(pack("c0", "") == "")
          assert(pack("c8", "123456") == "123456\\0\\0")
          assert(pack("c88", "") == string.rep("\\0", 88))
          assert(pack("c188", "ab") == "ab" .. string.rep("\\0", 188 - 2))
          local a, b, c = unpack("!4 z c3", "abcdefghi\\0xyz")
          assert(a == "abcdefghi" and b == "xyz" and c == 14)
          checkerror("longer than", pack, "c3", "1234")
        end
    `, L;

    t.plan(2);

    t.doesNotThrow(function () {

        L = lauxlib.luaL_newstate();

        lualib.luaL_openlibs(L);

        lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode));

    }, "Lua program loaded without error");

    t.doesNotThrow(function () {

        lua.lua_call(L, 0, -1);

    }, "Lua program ran without error");

});


test("[test-suite] tpack: testing multiple types and sequence", function (t) {
    let luaCode = `
        do
          local x = pack("<b h b f d f n i", 1, 2, 3, 4, 5, 6, 7, 8)
          assert(#x == packsize("<b h b f d f n i"))
          local a, b, c, d, e, f, g, h = unpack("<b h b f d f n i", x)
          assert(a == 1 and b == 2 and c == 3 and d == 4 and e == 5 and f == 6 and
                 g == 7 and h == 8) 
        end
    `, L;

    t.plan(2);

    t.doesNotThrow(function () {

        L = lauxlib.luaL_newstate();

        lualib.luaL_openlibs(L);

        lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode));

    }, "Lua program loaded without error");

    t.doesNotThrow(function () {

        lua.lua_call(L, 0, -1);

    }, "Lua program ran without error");

});


test("[test-suite] tpack: testing alignment", function (t) {
    let luaCode = `
        do
          assert(pack(" < i1 i2 ", 2, 3) == "\\2\\3\\0")   -- no alignment by default
          local x = pack(">!8 b Xh i4 i8 c1 Xi8", -12, 100, 200, "\\xEC")
          assert(#x == packsize(">!8 b Xh i4 i8 c1 Xi8"))
          assert(x == "\\xf4" .. "\\0\\0\\0" ..
                      "\\0\\0\\0\\100" ..
                      "\\0\\0\\0\\0\\0\\0\\0\\xC8" .. 
                      "\\xEC" .. "\\0\\0\\0\\0\\0\\0\\0")
          local a, b, c, d, pos = unpack(">!8 c1 Xh i4 i8 b Xi8 XI XH", x)
          assert(a == "\\xF4" and b == 100 and c == 200 and d == -20 and (pos - 1) == #x)

          x = pack(">!4 c3 c4 c2 z i4 c5 c2 Xi4",
                          "abc", "abcd", "xz", "hello", 5, "world", "xy")
          assert(x == "abcabcdxzhello\\0\\0\\0\\0\\0\\5worldxy\\0")
          local a, b, c, d, e, f, g, pos = unpack(">!4 c3 c4 c2 z i4 c5 c2 Xh Xi4", x)
          assert(a == "abc" and b == "abcd" and c == "xz" and d == "hello" and
                 e == 5 and f == "world" and g == "xy" and (pos - 1) % 4 == 0)

          x = pack(" b b Xd b Xb x", 1, 2, 3)
          assert(packsize(" b b Xd b Xb x") == 4)
          assert(x == "\\1\\2\\3\\0")
          a, b, c, pos = unpack("bbXdb", x)
          assert(a == 1 and b == 2 and c == 3 and pos == #x)

          -- only alignment
          assert(packsize("!8 xXi8") == 8)
          local pos = unpack("!8 xXi8", "0123456701234567"); assert(pos == 9)
          assert(packsize("!8 xXi2") == 2)
          local pos = unpack("!8 xXi2", "0123456701234567"); assert(pos == 3)
          assert(packsize("!2 xXi2") == 2)
          local pos = unpack("!2 xXi2", "0123456701234567"); assert(pos == 3)
          assert(packsize("!2 xXi8") == 2)
          local pos = unpack("!2 xXi8", "0123456701234567"); assert(pos == 3)
          assert(packsize("!16 xXi16") == 16)
          local pos = unpack("!16 xXi16", "0123456701234567"); assert(pos == 17)

          checkerror("invalid next option", pack, "X")
          checkerror("invalid next option", unpack, "XXi", "")
          checkerror("invalid next option", unpack, "X i", "")
          checkerror("invalid next option", pack, "Xc1")
        end
    `, L;

    t.plan(2);

    t.doesNotThrow(function () {

        L = lauxlib.luaL_newstate();

        lualib.luaL_openlibs(L);

        lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode));

    }, "Lua program loaded without error");

    t.doesNotThrow(function () {

        lua.lua_call(L, 0, -1);

    }, "Lua program ran without error");

});


test("[test-suite] tpack: testing initial position", function (t) {
    let luaCode = `
        do
          local x = pack("i4i4i4i4", 1, 2, 3, 4)
          for pos = 1, 16, 4 do
            local i, p = unpack("i4", x, pos)
            assert(i == pos//4 + 1 and p == pos + 4)
          end

          -- with alignment
          for pos = 0, 12 do    -- will always round position to power of 2
            local i, p = unpack("!4 i4", x, pos + 1)
            assert(i == (pos + 3)//4 + 1 and p == i*4 + 1)
          end

          -- negative indices
          local i, p = unpack("!4 i4", x, -4)
          assert(i == 4 and p == 17)
          local i, p = unpack("!4 i4", x, -7)
          assert(i == 4 and p == 17)
          local i, p = unpack("!4 i4", x, -#x)
          assert(i == 1 and p == 5)

          -- limits
          for i = 1, #x + 1 do
            assert(unpack("c0", x, i) == "")
          end
          checkerror("out of string", unpack, "c0", x, 0)
          checkerror("out of string", unpack, "c0", x, #x + 2)
          checkerror("out of string", unpack, "c0", x, -(#x + 1))
         
        end
    `, L;

    t.plan(2);

    t.doesNotThrow(function () {

        L = lauxlib.luaL_newstate();

        lualib.luaL_openlibs(L);

        lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode));

    }, "Lua program loaded without error");

    t.doesNotThrow(function () {

        lua.lua_call(L, 0, -1);

    }, "Lua program ran without error");

});