neovim

Neovim text editor
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test_blob.vim (24582B)


      1 " Tests for the Blob types
      2 
      3 source check.vim
      4 source vim9.vim
      5 
      6 func TearDown()
      7  " Run garbage collection after every test
      8  call test_garbagecollect_now()
      9 endfunc
     10 
     11 " Tests for Blob type
     12 
     13 " Blob creation from constant
     14 func Test_blob_create()
     15  let lines =<< trim END
     16      VAR b = 0zDEADBEEF
     17      call assert_equal(v:t_blob, type(b))
     18      call assert_equal(4, len(b))
     19      call assert_equal(0xDE, b[0])
     20      call assert_equal(0xAD, b[1])
     21      call assert_equal(0xBE, b[2])
     22      call assert_equal(0xEF, b[3])
     23      call assert_fails('VAR x = b[4]')
     24 
     25      call assert_equal(0xDE, get(b, 0))
     26      call assert_equal(0xEF, get(b, 3))
     27 
     28      call assert_fails('VAR b = 0z1', 'E973:')
     29      call assert_fails('VAR b = 0z1x', 'E973:')
     30      call assert_fails('VAR b = 0z12345', 'E973:')
     31 
     32      call assert_equal(0z, v:_null_blob)
     33 
     34      LET b = 0z001122.33445566.778899.aabbcc.dd
     35      call assert_equal(0z00112233445566778899aabbccdd, b)
     36      call assert_fails('VAR b = 0z1.1')
     37      call assert_fails('VAR b = 0z.')
     38      call assert_fails('VAR b = 0z001122.')
     39      call assert_fails('call get("", 1)', 'E896:')
     40      call assert_equal(0, len(v:_null_blob))
     41      call assert_equal(0z, copy(v:_null_blob))
     42  END
     43  call CheckLegacyAndVim9Success(lines)
     44 endfunc
     45 
     46 " assignment to a blob
     47 func Test_blob_assign()
     48  let lines =<< trim END
     49      VAR b = 0zDEADBEEF
     50      VAR b2 = b[1 : 2]
     51      call assert_equal(0zADBE, b2)
     52 
     53      VAR bcopy = b[:]
     54      call assert_equal(b, bcopy)
     55      call assert_false(b is bcopy)
     56 
     57      LET b = 0zDEADBEEF
     58      LET b2 = b
     59      call assert_true(b is b2)
     60      LET b[:] = 0z11223344
     61      call assert_equal(0z11223344, b)
     62      call assert_equal(0z11223344, b2)
     63      call assert_true(b is b2)
     64 
     65      LET b = 0zDEADBEEF
     66      LET b[3 :] = 0z66
     67      call assert_equal(0zDEADBE66, b)
     68      LET b[: 1] = 0z8899
     69      call assert_equal(0z8899BE66, b)
     70 
     71      LET b = 0zDEADBEEF
     72      LET b += 0z99
     73      call assert_equal(0zDEADBEEF99, b)
     74 
     75      VAR l = [0z12]
     76      VAR m = deepcopy(l)
     77      LET m[0] = 0z34	#" E742 or E741 should not occur.
     78 
     79      VAR blob1 = 0z10
     80      LET blob1 += v:_null_blob
     81      call assert_equal(0z10, blob1)
     82      LET blob1 = v:_null_blob
     83      LET blob1 += 0z20
     84      call assert_equal(0z20, blob1)
     85  END
     86  call CheckLegacyAndVim9Success(lines)
     87 
     88  let lines =<< trim END
     89      VAR b = 0zDEADBEEF
     90      LET b[2 : 3] = 0z112233
     91  END
     92  call CheckLegacyAndVim9Failure(lines, 'E972:')
     93 
     94  let lines =<< trim END
     95      VAR b = 0zDEADBEEF
     96      LET b[2 : 3] = 0z11
     97  END
     98  call CheckLegacyAndVim9Failure(lines, 'E972:')
     99 
    100  let lines =<< trim END
    101      VAR b = 0zDEADBEEF
    102      LET b[3 : 2] = 0z
    103  END
    104  call CheckLegacyAndVim9Failure(lines, 'E979:')
    105 
    106  let lines =<< trim END
    107      VAR b = 0zDEADBEEF
    108      LET b ..= 0z33
    109  END
    110  call CheckLegacyAndVim9Failure(lines, ['E734:', 'E1019:', 'E734:'])
    111 
    112  let lines =<< trim END
    113      VAR b = 0zDEADBEEF
    114      LET b ..= "xx"
    115  END
    116  call CheckLegacyAndVim9Failure(lines, ['E734:', 'E1019:', 'E734:'])
    117 
    118  let lines =<< trim END
    119      VAR b = 0zDEADBEEF
    120      LET b += "xx"
    121  END
    122  call CheckLegacyAndVim9Failure(lines, ['E734:', 'E1012:', 'E734:'])
    123 
    124  let lines =<< trim END
    125      VAR b = 0zDEADBEEF
    126      LET b[1 : 1] ..= 0z55
    127  END
    128  call CheckLegacyAndVim9Failure(lines, ['E734:', 'E1183:', 'E734:'])
    129 
    130  call assert_fails('let b = readblob("a1b2c3")', 'E484:')
    131 endfunc
    132 
    133 func Test_blob_get_range()
    134  let lines =<< trim END
    135      VAR b = 0z0011223344
    136      call assert_equal(0z2233, b[2 : 3])
    137      call assert_equal(0z223344, b[2 : -1])
    138      call assert_equal(0z00, b[0 : -5])
    139      call assert_equal(0z, b[0 : -11])
    140      call assert_equal(0z44, b[-1 :])
    141      call assert_equal(0z0011223344, b[:])
    142      call assert_equal(0z0011223344, b[: -1])
    143      call assert_equal(0z, b[5 : 6])
    144      call assert_equal(0z0011, b[-10 : 1])
    145  END
    146  call CheckLegacyAndVim9Success(lines)
    147 
    148  " legacy script white space
    149  let b = 0z0011223344
    150  call assert_equal(0z2233, b[2:3])
    151 endfunc
    152 
    153 func Test_blob_get()
    154  let lines =<< trim END
    155      VAR b = 0z0011223344
    156      call assert_equal(0x00, get(b, 0))
    157      call assert_equal(0x22, get(b, 2, 999))
    158      call assert_equal(0x44, get(b, 4))
    159      call assert_equal(0x44, get(b, -1))
    160      call assert_equal(-1, get(b, 5))
    161      call assert_equal(999, get(b, 5, 999))
    162      call assert_equal(-1, get(b, -8))
    163      call assert_equal(999, get(b, -8, 999))
    164      call assert_equal(10, get(v:_null_blob, 2, 10))
    165 
    166      call assert_equal(0x00, b[0])
    167      call assert_equal(0x22, b[2])
    168      call assert_equal(0x44, b[4])
    169      call assert_equal(0x44, b[-1])
    170  END
    171  call CheckLegacyAndVim9Success(lines)
    172 
    173  let lines =<< trim END
    174      VAR b = 0z0011223344
    175      echo b[5]
    176  END
    177  call CheckLegacyAndVim9Failure(lines, 'E979:')
    178 
    179  let lines =<< trim END
    180      VAR b = 0z0011223344
    181      echo b[-8]
    182  END
    183  call CheckLegacyAndVim9Failure(lines, 'E979:')
    184 endfunc
    185 
    186 func Test_blob_to_string()
    187  let lines =<< trim END
    188      VAR b = 0z00112233445566778899aabbccdd
    189      call assert_equal('0z00112233.44556677.8899AABB.CCDD', string(b))
    190      call assert_equal(b, eval(string(b)))
    191      call remove(b, 4, -1)
    192      call assert_equal('0z00112233', string(b))
    193      call remove(b, 0, 3)
    194      call assert_equal('0z', string(b))
    195      call assert_equal('0z', string(v:_null_blob))
    196  END
    197  call CheckLegacyAndVim9Success(lines)
    198 endfunc
    199 
    200 func Test_blob_compare()
    201  let lines =<< trim END
    202      VAR b1 = 0z0011
    203      VAR b2 = 0z1100
    204      VAR b3 = 0z001122
    205      call assert_true(b1 == b1)
    206      call assert_false(b1 == b2)
    207      call assert_false(b1 == b3)
    208      call assert_true(b1 != b2)
    209      call assert_true(b1 != b3)
    210      call assert_true(b1 == 0z0011)
    211 
    212      call assert_false(b1 is b2)
    213      LET b2 = b1
    214      call assert_true(b1 == b2)
    215      call assert_true(b1 is b2)
    216      LET b2 = copy(b1)
    217      call assert_true(b1 == b2)
    218      call assert_false(b1 is b2)
    219      LET b2 = b1[:]
    220      call assert_true(b1 == b2)
    221      call assert_false(b1 is b2)
    222      call assert_true(b1 isnot b2)
    223      call assert_true(0z != 0z10)
    224      call assert_true(0z10 != 0z)
    225  END
    226  call CheckLegacyAndVim9Success(lines)
    227 
    228  let lines =<< trim END
    229      VAR b1 = 0z0011
    230      echo b1 == 9
    231  END
    232  call CheckLegacyAndVim9Failure(lines, ['E977:', 'E1072:', 'E1072:'])
    233 
    234  let lines =<< trim END
    235      VAR b1 = 0z0011
    236      echo b1 != 9
    237  END
    238  call CheckLegacyAndVim9Failure(lines, ['E977:', 'E1072:', 'E1072:'])
    239 
    240  let lines =<< trim END
    241      VAR b1 = 0z0011
    242      VAR b2 = 0z1100
    243      VAR x = b1 > b2
    244  END
    245  call CheckLegacyAndVim9Failure(lines, ['E978:', 'E1072:', 'E1072:'])
    246 
    247  let lines =<< trim END
    248      VAR b1 = 0z0011
    249      VAR b2 = 0z1100
    250      VAR x = b1 < b2
    251  END
    252  call CheckLegacyAndVim9Failure(lines, ['E978:', 'E1072:', 'E1072:'])
    253 
    254  let lines =<< trim END
    255      VAR b1 = 0z0011
    256      VAR b2 = 0z1100
    257      VAR x = b1 - b2
    258  END
    259  call CheckLegacyAndVim9Failure(lines, ['E974:', 'E1036:', 'E974:'])
    260 
    261  let lines =<< trim END
    262      VAR b1 = 0z0011
    263      VAR b2 = 0z1100
    264      VAR x = b1 / b2
    265  END
    266  call CheckLegacyAndVim9Failure(lines, ['E974:', 'E1036:', 'E974:'])
    267 
    268  let lines =<< trim END
    269      VAR b1 = 0z0011
    270      VAR b2 = 0z1100
    271      VAR x = b1 * b2
    272  END
    273  call CheckLegacyAndVim9Failure(lines, ['E974:', 'E1036:', 'E974:'])
    274 endfunc
    275 
    276 func Test_blob_index_assign()
    277  let lines =<< trim END
    278      VAR b = 0z00
    279      LET b[1] = 0x11
    280      LET b[2] = 0x22
    281      LET b[0] = 0x33
    282      call assert_equal(0z331122, b)
    283  END
    284  call CheckLegacyAndVim9Success(lines)
    285 
    286  let lines =<< trim END
    287      VAR b = 0z00
    288      LET b[2] = 0x33
    289  END
    290  call CheckLegacyAndVim9Failure(lines, 'E979:')
    291 
    292  let lines =<< trim END
    293      VAR b = 0z00
    294      LET b[-2] = 0x33
    295  END
    296  call CheckLegacyAndVim9Failure(lines, 'E979:')
    297 
    298  let lines =<< trim END
    299      VAR b = 0z00010203
    300      LET b[0 : -1] = 0z33
    301  END
    302  call CheckLegacyAndVim9Failure(lines, 'E979:')
    303 
    304  let lines =<< trim END
    305      VAR b = 0z00010203
    306      LET b[3 : 4] = 0z3344
    307  END
    308  call CheckLegacyAndVim9Failure(lines, 'E979:')
    309 endfunc
    310 
    311 func Test_blob_for_loop()
    312  let lines =<< trim END
    313      VAR blob = 0z00010203
    314      VAR i = 0
    315      for byte in blob
    316        call assert_equal(i, byte)
    317        LET i += 1
    318      endfor
    319      call assert_equal(4, i)
    320 
    321      LET blob = 0z00
    322      call remove(blob, 0)
    323      call assert_equal(0, len(blob))
    324      for byte in blob
    325        call assert_report('loop over empty blob')
    326      endfor
    327 
    328      LET blob = 0z0001020304
    329      LET i = 0
    330      for byte in blob
    331        call assert_equal(i, byte)
    332        if i == 1
    333          call remove(blob, 0)
    334        elseif i == 3
    335          call remove(blob, 3)
    336        endif
    337        LET i += 1
    338      endfor
    339      call assert_equal(5, i)
    340  END
    341  call CheckLegacyAndVim9Success(lines)
    342 
    343  " Test for skipping the loop var assignment in a for loop
    344  let lines =<< trim END
    345    VAR blob = 0z998877
    346    VAR c = 0
    347    for _ in blob
    348      LET c += 1
    349    endfor
    350    call assert_equal(3, c)
    351  END
    352  call CheckLegacyAndVim9Success(lines)
    353 endfunc
    354 
    355 func Test_blob_concatenate()
    356  let lines =<< trim END
    357      VAR b = 0z0011
    358      LET b += 0z2233
    359      call assert_equal(0z00112233, b)
    360 
    361      LET b = 0zDEAD + 0zBEEF
    362      call assert_equal(0zDEADBEEF, b)
    363  END
    364  call CheckLegacyAndVim9Success(lines)
    365 
    366  let lines =<< trim END
    367      VAR b = 0z0011
    368      LET b += "a"
    369  END
    370  call CheckLegacyAndVim9Failure(lines, ['E734:', 'E1012:', 'E734:'])
    371 
    372  let lines =<< trim END
    373      VAR b = 0z0011
    374      LET b += 88
    375  END
    376  call CheckLegacyAndVim9Failure(lines, ['E734:', 'E1012:', 'E734:'])
    377 endfunc
    378 
    379 func Test_blob_add()
    380  let lines =<< trim END
    381      VAR b = 0z0011
    382      call add(b, 0x22)
    383      call assert_equal(0z001122, b)
    384  END
    385  call CheckLegacyAndVim9Success(lines)
    386 
    387  " Only works in legacy script
    388  let b = 0z0011
    389  call add(b, '51')
    390  call assert_equal(0z001133, b)
    391  call assert_equal(1, add(v:_null_blob, 0x22))
    392 
    393  let lines =<< trim END
    394      VAR b = 0z0011
    395      call add(b, [9])
    396  END
    397  call CheckLegacyAndVim9Failure(lines, ['E745:', 'E1012:', 'E745:'])
    398 
    399  let lines =<< trim END
    400      VAR b = 0z0011
    401      call add("", 0x01)
    402  END
    403  call CheckLegacyAndVim9Failure(lines, 'E897:')
    404 
    405  let lines =<< trim END
    406      add(v:_null_blob, 0x22)
    407  END
    408  call CheckDefExecAndScriptFailure(lines, 'E1131:')
    409 
    410  let lines =<< trim END
    411      let b = 0zDEADBEEF
    412      lockvar b
    413      call add(b, 0)
    414      unlockvar b
    415  END
    416  call CheckScriptFailure(lines, 'E741:')
    417 endfunc
    418 
    419 func Test_blob_empty()
    420  call assert_false(empty(0z001122))
    421  call assert_true(empty(0z))
    422  call assert_true(empty(v:_null_blob))
    423 endfunc
    424 
    425 " Test removing items in blob
    426 func Test_blob_func_remove()
    427  let lines =<< trim END
    428      #" Test removing 1 element
    429      VAR b = 0zDEADBEEF
    430      call assert_equal(0xDE, remove(b, 0))
    431      call assert_equal(0zADBEEF, b)
    432 
    433      LET b = 0zDEADBEEF
    434      call assert_equal(0xEF, remove(b, -1))
    435      call assert_equal(0zDEADBE, b)
    436 
    437      LET b = 0zDEADBEEF
    438      call assert_equal(0xAD, remove(b, 1))
    439      call assert_equal(0zDEBEEF, b)
    440 
    441      #" Test removing range of element(s)
    442      LET b = 0zDEADBEEF
    443      call assert_equal(0zBE, remove(b, 2, 2))
    444      call assert_equal(0zDEADEF, b)
    445 
    446      LET b = 0zDEADBEEF
    447      call assert_equal(0zADBE, remove(b, 1, 2))
    448      call assert_equal(0zDEEF, b)
    449  END
    450  call CheckLegacyAndVim9Success(lines)
    451 
    452  " Test invalid cases
    453  let lines =<< trim END
    454      VAR b = 0zDEADBEEF
    455      call remove(b, 5)
    456  END
    457  call CheckLegacyAndVim9Failure(lines, 'E979:')
    458 
    459  let lines =<< trim END
    460      VAR b = 0zDEADBEEF
    461      call remove(b, 1, 5)
    462  END
    463  call CheckLegacyAndVim9Failure(lines, 'E979:')
    464 
    465  let lines =<< trim END
    466      VAR b = 0zDEADBEEF
    467      call remove(b, -10)
    468  END
    469  call CheckLegacyAndVim9Failure(lines, 'E979:')
    470 
    471  let lines =<< trim END
    472      VAR b = 0zDEADBEEF
    473      call remove(b, 3, 2)
    474  END
    475  call CheckLegacyAndVim9Failure(lines, 'E979:')
    476 
    477  let lines =<< trim END
    478      VAR b = 0zDEADBEEF
    479      call remove(1, 0)
    480  END
    481  call CheckLegacyAndVim9Failure(lines, 'E896:')
    482 
    483  let lines =<< trim END
    484      VAR b = 0zDEADBEEF
    485      call remove(b, b)
    486  END
    487  call CheckLegacyAndVim9Failure(lines, 'E974:')
    488 
    489  let lines =<< trim END
    490      VAR b = 0zDEADBEEF
    491      call remove(b, 1, [])
    492  END
    493  call CheckLegacyAndVim9Failure(lines, 'E745:')
    494 
    495  let lines =<< trim END
    496      VAR b = 0zDEADBEEF
    497      call remove(v:_null_blob, 1, 2)
    498  END
    499  call CheckLegacyAndVim9Failure(lines, 'E979:')
    500 
    501  let lines =<< trim END
    502      let b = 0zDEADBEEF
    503      lockvar b
    504      call remove(b, 0)
    505      unlockvar b
    506  END
    507  call CheckScriptFailure(lines, 'E741:')
    508 
    509  " can only check at script level, not in a :def function
    510  let lines =<< trim END
    511      vim9script
    512      var b = 0zDEADBEEF
    513      lockvar b
    514      remove(b, 0)
    515  END
    516  call CheckScriptFailure(lines, 'E741:')
    517 
    518  call assert_fails('echo remove(0z1020, [])', 'E745:')
    519  call assert_fails('echo remove(0z1020, 0, [])', 'E745:')
    520 endfunc
    521 
    522 func Test_blob_read_write()
    523  let lines =<< trim END
    524      VAR b = 0zDEADBEEF
    525      call writefile(b, 'Xblob')
    526      VAR br = readfile('Xblob', 'B')
    527      call assert_equal(b, br)
    528      VAR br2 = readblob('Xblob')
    529      call assert_equal(b, br2)
    530      VAR br3 = readblob('Xblob', 1)
    531      call assert_equal(b[1 :], br3)
    532      VAR br4 = readblob('Xblob', 1, 2)
    533      call assert_equal(b[1 : 2], br4)
    534      VAR br5 = readblob('Xblob', -3)
    535      call assert_equal(b[-3 :], br5)
    536      VAR br6 = readblob('Xblob', -3, 2)
    537      call assert_equal(b[-3 : -2], br6)
    538 
    539      #" reading past end of file, empty result
    540      VAR br1e = readblob('Xblob', 10000)
    541      call assert_equal(0z, br1e)
    542 
    543      #" reading too much, result is truncated
    544      VAR blong = readblob('Xblob', -1000)
    545      call assert_equal(b, blong)
    546      LET blong = readblob('Xblob', -10, 8)
    547      call assert_equal(b, blong)
    548      LET blong = readblob('Xblob', 0, 10)
    549      call assert_equal(b, blong)
    550 
    551      call delete('Xblob')
    552  END
    553  call CheckLegacyAndVim9Success(lines)
    554 
    555  if filereadable('/dev/random')
    556    let b = readblob('/dev/random', 0, 10)
    557    call assert_equal(10, len(b))
    558  endif
    559 
    560  call assert_fails("call readblob('notexist')", 'E484:')
    561  " TODO: How do we test for the E485 error?
    562 
    563  " This was crashing when calling readfile() with a directory.
    564  call assert_fails("call readfile('.', 'B')", 'E17: "." is a directory')
    565 endfunc
    566 
    567 " filter() item in blob
    568 func Test_blob_filter()
    569  let lines =<< trim END
    570      call assert_equal(v:_null_blob, filter(v:_null_blob, '0'))
    571      call assert_equal(0z, filter(0zDEADBEEF, '0'))
    572      call assert_equal(0zADBEEF, filter(0zDEADBEEF, 'v:val != 0xDE'))
    573      call assert_equal(0zDEADEF, filter(0zDEADBEEF, 'v:val != 0xBE'))
    574      call assert_equal(0zDEADBE, filter(0zDEADBEEF, 'v:val != 0xEF'))
    575      call assert_equal(0zDEADBEEF, filter(0zDEADBEEF, '1'))
    576      call assert_equal(0z01030103, filter(0z010203010203, 'v:val != 0x02'))
    577      call assert_equal(0zADEF, filter(0zDEADBEEF, 'v:key % 2'))
    578  END
    579  call CheckLegacyAndVim9Success(lines)
    580  call assert_fails('echo filter(0z10, "a10")', 'E121:')
    581 endfunc
    582 
    583 " map() item in blob
    584 func Test_blob_map()
    585  let lines =<< trim END
    586      call assert_equal(0zDFAEBFF0, map(0zDEADBEEF, 'v:val + 1'))
    587      call assert_equal(0z00010203, map(0zDEADBEEF, 'v:key'))
    588      call assert_equal(0zDEAEC0F2, map(0zDEADBEEF, 'v:key + v:val'))
    589  END
    590  call CheckLegacyAndVim9Success(lines)
    591 
    592  let lines =<< trim END
    593      call map(0z00, '[9]')
    594  END
    595  call CheckLegacyAndVim9Failure(lines, 'E978:')
    596  call assert_fails('echo map(0z10, "a10")', 'E121:')
    597 endfunc
    598 
    599 func Test_blob_index()
    600  let lines =<< trim END
    601      call assert_equal(2, index(0zDEADBEEF, 0xBE))
    602      call assert_equal(-1, index(0zDEADBEEF, 0))
    603      call assert_equal(2, index(0z11111111, 0x11, 2))
    604      call assert_equal(3, 0z11110111->index(0x11, 2))
    605      call assert_equal(2, index(0z11111111, 0x11, -2))
    606      call assert_equal(3, index(0z11110111, 0x11, -2))
    607      call assert_equal(0, index(0z11110111, 0x11, -10))
    608      call assert_equal(-1, index(v:_null_blob, 1))
    609  END
    610  call CheckLegacyAndVim9Success(lines)
    611 
    612  let lines =<< trim END
    613      echo index(0z11110111, 0x11, [])
    614  END
    615  call CheckLegacyAndVim9Failure(lines, 'E745:')
    616 
    617  let lines =<< trim END
    618      call index("asdf", 0)
    619  END
    620  call CheckLegacyAndVim9Failure(lines, 'E897:')
    621 endfunc
    622 
    623 func Test_blob_insert()
    624  let lines =<< trim END
    625      VAR b = 0zDEADBEEF
    626      call insert(b, 0x33)
    627      call assert_equal(0z33DEADBEEF, b)
    628 
    629      LET b = 0zDEADBEEF
    630      call insert(b, 0x33, 2)
    631      call assert_equal(0zDEAD33BEEF, b)
    632  END
    633  call CheckLegacyAndVim9Success(lines)
    634 
    635  " only works in legacy script
    636  call assert_equal(0, insert(v:_null_blob, 0x33))
    637 
    638  let lines =<< trim END
    639      VAR b = 0zDEADBEEF
    640      call insert(b, -1)
    641  END
    642  call CheckLegacyAndVim9Failure(lines, 'E475:')
    643 
    644  let lines =<< trim END
    645      VAR b = 0zDEADBEEF
    646      call insert(b, 257)
    647  END
    648  call CheckLegacyAndVim9Failure(lines, 'E475:')
    649 
    650  let lines =<< trim END
    651      VAR b = 0zDEADBEEF
    652      call insert(b, 0, [9])
    653  END
    654  call CheckLegacyAndVim9Failure(lines, ['E745:', 'E1013:', 'E745:'])
    655 
    656  let lines =<< trim END
    657      VAR b = 0zDEADBEEF
    658      call insert(b, 0, -20)
    659  END
    660  call CheckLegacyAndVim9Failure(lines, 'E475:')
    661 
    662  let lines =<< trim END
    663      VAR b = 0zDEADBEEF
    664      call insert(b, 0, 20)
    665  END
    666  call CheckLegacyAndVim9Failure(lines, 'E475:')
    667 
    668  let lines =<< trim END
    669      VAR b = 0zDEADBEEF
    670      call insert(b, [])
    671  END
    672  call CheckLegacyAndVim9Failure(lines, ['E745:', 'E1013:', 'E745:'])
    673 
    674  let lines =<< trim END
    675      insert(v:_null_blob, 0x33)
    676  END
    677  call CheckDefExecAndScriptFailure(lines, 'E1131:')
    678 
    679  let lines =<< trim END
    680      let b = 0zDEADBEEF
    681      lockvar b
    682      call insert(b, 3)
    683      unlockvar b
    684  END
    685  call CheckScriptFailure(lines, 'E741:')
    686 
    687  let lines =<< trim END
    688      vim9script
    689      var b = 0zDEADBEEF
    690      lockvar b
    691      insert(b, 3)
    692  END
    693  call CheckScriptFailure(lines, 'E741:')
    694 endfunc
    695 
    696 func Test_blob_reverse()
    697  let lines =<< trim END
    698      call assert_equal(0zEFBEADDE, reverse(0zDEADBEEF))
    699      call assert_equal(0zBEADDE, reverse(0zDEADBE))
    700      call assert_equal(0zADDE, reverse(0zDEAD))
    701      call assert_equal(0zDE, reverse(0zDE))
    702      call assert_equal(0z, reverse(v:_null_blob))
    703  END
    704  call CheckLegacyAndVim9Success(lines)
    705 endfunc
    706 
    707 func Test_blob_json_encode()
    708  let lines =<< trim END
    709      #" call assert_equal('[222,173,190,239]', json_encode(0zDEADBEEF))
    710      call assert_equal('[222, 173, 190, 239]', json_encode(0zDEADBEEF))
    711      call assert_equal('[]', json_encode(0z))
    712  END
    713  call CheckLegacyAndVim9Success(lines)
    714 endfunc
    715 
    716 func Test_blob_lock()
    717  let lines =<< trim END
    718      let b = 0z112233
    719      lockvar b
    720      unlockvar b
    721      let b = 0z44
    722  END
    723  call CheckScriptSuccess(lines)
    724 
    725  let lines =<< trim END
    726      vim9script
    727      var b = 0z112233
    728      lockvar b
    729      unlockvar b
    730      b = 0z44
    731  END
    732  call CheckScriptSuccess(lines)
    733 
    734  let lines =<< trim END
    735      let b = 0z112233
    736      lockvar b
    737      let b = 0z44
    738  END
    739  call CheckScriptFailure(lines, 'E741:')
    740 
    741  let lines =<< trim END
    742      vim9script
    743      var b = 0z112233
    744      lockvar b
    745      b = 0z44
    746  END
    747  call CheckScriptFailure(lines, 'E741:')
    748 endfunc
    749 
    750 func Test_blob_sort()
    751  if has('float')
    752    call CheckLegacyAndVim9Failure(['call sort([1.0, 0z11], "f")'], 'E975:')
    753  endif
    754  call CheckLegacyAndVim9Failure(['call sort([11, 0z11], "N")'], 'E974:')
    755 endfunc
    756 
    757 " Tests for the blob2list() function
    758 func Test_blob2list()
    759  call assert_fails('let v = blob2list(10)', 'E1238: Blob required for argument 1')
    760  eval 0zFFFF->blob2list()->assert_equal([255, 255])
    761  let tests = [[0z0102, [1, 2]],
    762        \ [0z00, [0]],
    763        \ [0z, []],
    764        \ [0z00000000, [0, 0, 0, 0]],
    765        \ [0zAABB.CCDD, [170, 187, 204, 221]]]
    766  for t in tests
    767    call assert_equal(t[0]->blob2list(), t[1])
    768  endfor
    769  exe 'let v = 0z' .. repeat('000102030405060708090A0B0C0D0E0F', 64)
    770  call assert_equal(1024, blob2list(v)->len())
    771  call assert_equal([4, 8, 15], [v[100], v[1000], v[1023]])
    772  call assert_equal([], blob2list(v:_null_blob))
    773 endfunc
    774 
    775 " Tests for the list2blob() function
    776 func Test_list2blob()
    777  call assert_fails('let b = list2blob(0z10)', 'E1211: List required for argument 1')
    778  let tests = [[[1, 2], 0z0102],
    779        \ [[0], 0z00],
    780        \ [[], 0z],
    781        \ [[0, 0, 0, 0], 0z00000000],
    782        \ [[255, 255], 0zFFFF],
    783        \ [[170, 187, 204, 221], 0zAABB.CCDD],
    784        \ ]
    785  for t in tests
    786    call assert_equal(t[1], t[0]->list2blob())
    787  endfor
    788  call assert_fails('let b = list2blob([1, []])', 'E745:')
    789  call assert_fails('let b = list2blob([-1])', 'E1239:')
    790  call assert_fails('let b = list2blob([256])', 'E1239:')
    791  let b = range(16)->repeat(64)->list2blob()
    792  call assert_equal(1024, b->len())
    793  call assert_equal([4, 8, 15], [b[100], b[1000], b[1023]])
    794  call assert_equal(0z, list2blob(v:_null_list))
    795 endfunc
    796 
    797 " The following used to cause an out-of-bounds memory access
    798 func Test_blob2string()
    799  let v = '0z' .. repeat('01010101.', 444)
    800  let v ..= '01'
    801  exe 'let b = ' .. v
    802  call assert_equal(v, string(b))
    803 endfunc
    804 
    805 func Test_blob_repeat()
    806  call assert_equal(0z, repeat(0z00, 0))
    807  call assert_equal(0z00, repeat(0z00, 1))
    808  call assert_equal(0z0000, repeat(0z00, 2))
    809  call assert_equal(0z00000000, repeat(0z0000, 2))
    810 
    811  call assert_equal(0z, repeat(0z12, 0))
    812  call assert_equal(0z, repeat(0z1234, 0))
    813  call assert_equal(0z1234, repeat(0z1234, 1))
    814  call assert_equal(0z12341234, repeat(0z1234, 2))
    815 endfunc
    816 
    817 " Test for blob allocation failure
    818 func Test_blob_alloc_failure()
    819  CheckFunction test_alloc_fail
    820  " blob variable
    821  call test_alloc_fail(GetAllocId('blob_alloc'), 0, 0)
    822  call assert_fails('let v = 0z10', 'E342:')
    823 
    824  " blob slice
    825  let v = 0z1020
    826  call test_alloc_fail(GetAllocId('blob_alloc'), 0, 0)
    827  call assert_fails('let x = v[0:0]', 'E342:')
    828  call assert_equal(0z1020, x)
    829 
    830  " blob remove()
    831  let v = 0z10203040
    832  call test_alloc_fail(GetAllocId('blob_alloc'), 0, 0)
    833  call assert_fails('let x = remove(v, 1, 2)', 'E342:')
    834  call assert_equal(0, x)
    835 
    836  " list2blob()
    837  call test_alloc_fail(GetAllocId('blob_alloc'), 0, 0)
    838  call assert_fails('let a = list2blob([1, 2, 4])', 'E342:')
    839  call assert_equal(0, a)
    840 
    841  " mapnew()
    842  call test_alloc_fail(GetAllocId('blob_alloc'), 0, 0)
    843  call assert_fails('let x = mapnew(0z1234, {_, v -> 1})', 'E342:')
    844  call assert_equal(0, x)
    845 
    846  " copy()
    847  call test_alloc_fail(GetAllocId('blob_alloc'), 0, 0)
    848  call assert_fails('let x = copy(v)', 'E342:')
    849  call assert_equal(0z, x)
    850 
    851  " readblob()
    852  call test_alloc_fail(GetAllocId('blob_alloc'), 0, 0)
    853  call assert_fails('let x = readblob("test_blob.vim")', 'E342:')
    854  call assert_equal(0, x)
    855 endfunc
    856 
    857 " Test for the indexof() function
    858 func Test_indexof()
    859  let b = 0zdeadbeef
    860  call assert_equal(0, indexof(b, {i, v -> v == 0xde}))
    861  call assert_equal(3, indexof(b, {i, v -> v == 0xef}))
    862  call assert_equal(-1, indexof(b, {i, v -> v == 0x1}))
    863  call assert_equal(1, indexof(b, "v:val == 0xad"))
    864  call assert_equal(-1, indexof(b, "v:val == 0xff"))
    865  call assert_equal(-1, indexof(b, {_, v -> "v == 0xad"}))
    866 
    867  call assert_equal(-1, indexof(0z, "v:val == 0x0"))
    868  call assert_equal(-1, indexof(v:_null_blob, "v:val == 0xde"))
    869  call assert_equal(-1, indexof(b, v:_null_string))
    870  " Nvim doesn't have null functions
    871  " call assert_equal(-1, indexof(b, test_null_function()))
    872  call assert_equal(-1, indexof(b, ""))
    873 
    874  let b = 0z01020102
    875  call assert_equal(1, indexof(b, "v:val == 0x02", #{startidx: 0}))
    876  call assert_equal(2, indexof(b, "v:val == 0x01", #{startidx: -2}))
    877  call assert_equal(-1, indexof(b, "v:val == 0x01", #{startidx: 5}))
    878  call assert_equal(0, indexof(b, "v:val == 0x01", #{startidx: -5}))
    879  call assert_equal(0, indexof(b, "v:val == 0x01", v:_null_dict))
    880 
    881  " failure cases
    882  call assert_fails('let i = indexof(b, "val == 0xde")', 'E121:')
    883  call assert_fails('let i = indexof(b, {})', 'E1256:')
    884  call assert_fails('let i = indexof(b, " ")', 'E15:')
    885 endfunc
    886 
    887 " Test for using the items() function with a blob
    888 func Test_blob_items()
    889  let lines =<< trim END
    890    call assert_equal([[0, 0xAA], [1, 0xBB], [2, 0xCC]], 0zAABBCC->items())
    891    call assert_equal([[0, 0]], 0z00->items())
    892    call assert_equal([], 0z->items())
    893    call assert_equal([], v:_null_blob->items())
    894  END
    895  call CheckSourceLegacyAndVim9Success(lines)
    896 endfunc
    897 
    898 " Test for setting a byte in a blob with invalid value
    899 func Test_blob_byte_set_invalid_value()
    900  let lines =<< trim END
    901    VAR b = 0zD0C3E4E18E1B
    902    LET b[0] = 229539777187355
    903  END
    904  call CheckSourceLegacyAndVim9Failure(lines, 'E1239: Invalid value for blob:')
    905 endfunc
    906 
    907 " vim: shiftwidth=2 sts=2 expandtab