neovim/test/old/testdir/test_blob.vim
dundargoc af23d17388
test: move oldtests to test directory (#22536)
The new oldtest directory is in test/old/testdir. The reason for this is
that many tests have hardcoded the parent directory name to be
'testdir'.
2023-03-07 11:13:04 +08:00

831 lines
22 KiB
VimL

" Tests for the Blob types
source check.vim
source vim9.vim
func TearDown()
" Run garbage collection after every test
call test_garbagecollect_now()
endfunc
" Tests for Blob type
" Blob creation from constant
func Test_blob_create()
let lines =<< trim END
VAR b = 0zDEADBEEF
call assert_equal(v:t_blob, type(b))
call assert_equal(4, len(b))
call assert_equal(0xDE, b[0])
call assert_equal(0xAD, b[1])
call assert_equal(0xBE, b[2])
call assert_equal(0xEF, b[3])
call assert_fails('VAR x = b[4]')
call assert_equal(0xDE, get(b, 0))
call assert_equal(0xEF, get(b, 3))
call assert_fails('VAR b = 0z1', 'E973:')
call assert_fails('VAR b = 0z1x', 'E973:')
call assert_fails('VAR b = 0z12345', 'E973:')
call assert_equal(0z, v:_null_blob)
LET b = 0z001122.33445566.778899.aabbcc.dd
call assert_equal(0z00112233445566778899aabbccdd, b)
call assert_fails('VAR b = 0z1.1')
call assert_fails('VAR b = 0z.')
call assert_fails('VAR b = 0z001122.')
call assert_fails('call get("", 1)', 'E896:')
call assert_equal(0, len(v:_null_blob))
END
call CheckLegacyAndVim9Success(lines)
endfunc
" assignment to a blob
func Test_blob_assign()
let lines =<< trim END
VAR b = 0zDEADBEEF
VAR b2 = b[1 : 2]
call assert_equal(0zADBE, b2)
VAR bcopy = b[:]
call assert_equal(b, bcopy)
call assert_false(b is bcopy)
LET b = 0zDEADBEEF
LET b2 = b
call assert_true(b is b2)
LET b[:] = 0z11223344
call assert_equal(0z11223344, b)
call assert_equal(0z11223344, b2)
call assert_true(b is b2)
LET b = 0zDEADBEEF
LET b[3 :] = 0z66
call assert_equal(0zDEADBE66, b)
LET b[: 1] = 0z8899
call assert_equal(0z8899BE66, b)
LET b = 0zDEADBEEF
LET b += 0z99
call assert_equal(0zDEADBEEF99, b)
VAR l = [0z12]
VAR m = deepcopy(l)
LET m[0] = 0z34 #" E742 or E741 should not occur.
END
call CheckLegacyAndVim9Success(lines)
let lines =<< trim END
VAR b = 0zDEADBEEF
LET b[2 : 3] = 0z112233
END
call CheckLegacyAndVim9Failure(lines, 'E972:')
let lines =<< trim END
VAR b = 0zDEADBEEF
LET b[2 : 3] = 0z11
END
call CheckLegacyAndVim9Failure(lines, 'E972:')
let lines =<< trim END
VAR b = 0zDEADBEEF
LET b[3 : 2] = 0z
END
call CheckLegacyAndVim9Failure(lines, 'E979:')
let lines =<< trim END
VAR b = 0zDEADBEEF
LET b ..= 0z33
END
call CheckLegacyAndVim9Failure(lines, ['E734:', 'E1019:', 'E734:'])
let lines =<< trim END
VAR b = 0zDEADBEEF
LET b ..= "xx"
END
call CheckLegacyAndVim9Failure(lines, ['E734:', 'E1019:', 'E734:'])
let lines =<< trim END
VAR b = 0zDEADBEEF
LET b += "xx"
END
call CheckLegacyAndVim9Failure(lines, ['E734:', 'E1012:', 'E734:'])
let lines =<< trim END
VAR b = 0zDEADBEEF
LET b[1 : 1] ..= 0z55
END
call CheckLegacyAndVim9Failure(lines, ['E734:', 'E1183:', 'E734:'])
endfunc
func Test_blob_get_range()
let lines =<< trim END
VAR b = 0z0011223344
call assert_equal(0z2233, b[2 : 3])
call assert_equal(0z223344, b[2 : -1])
call assert_equal(0z00, b[0 : -5])
call assert_equal(0z, b[0 : -11])
call assert_equal(0z44, b[-1 :])
call assert_equal(0z0011223344, b[:])
call assert_equal(0z0011223344, b[: -1])
call assert_equal(0z, b[5 : 6])
call assert_equal(0z0011, b[-10 : 1])
END
call CheckLegacyAndVim9Success(lines)
" legacy script white space
let b = 0z0011223344
call assert_equal(0z2233, b[2:3])
endfunc
func Test_blob_get()
let lines =<< trim END
VAR b = 0z0011223344
call assert_equal(0x00, get(b, 0))
call assert_equal(0x22, get(b, 2, 999))
call assert_equal(0x44, get(b, 4))
call assert_equal(0x44, get(b, -1))
call assert_equal(-1, get(b, 5))
call assert_equal(999, get(b, 5, 999))
call assert_equal(-1, get(b, -8))
call assert_equal(999, get(b, -8, 999))
call assert_equal(10, get(v:_null_blob, 2, 10))
call assert_equal(0x00, b[0])
call assert_equal(0x22, b[2])
call assert_equal(0x44, b[4])
call assert_equal(0x44, b[-1])
END
call CheckLegacyAndVim9Success(lines)
let lines =<< trim END
VAR b = 0z0011223344
echo b[5]
END
call CheckLegacyAndVim9Failure(lines, 'E979:')
let lines =<< trim END
VAR b = 0z0011223344
echo b[-8]
END
call CheckLegacyAndVim9Failure(lines, 'E979:')
endfunc
func Test_blob_to_string()
let lines =<< trim END
VAR b = 0z00112233445566778899aabbccdd
call assert_equal('0z00112233.44556677.8899AABB.CCDD', string(b))
call assert_equal(b, eval(string(b)))
call remove(b, 4, -1)
call assert_equal('0z00112233', string(b))
call remove(b, 0, 3)
call assert_equal('0z', string(b))
call assert_equal('0z', string(v:_null_blob))
END
call CheckLegacyAndVim9Success(lines)
endfunc
func Test_blob_compare()
let lines =<< trim END
VAR b1 = 0z0011
VAR b2 = 0z1100
VAR b3 = 0z001122
call assert_true(b1 == b1)
call assert_false(b1 == b2)
call assert_false(b1 == b3)
call assert_true(b1 != b2)
call assert_true(b1 != b3)
call assert_true(b1 == 0z0011)
call assert_false(b1 is b2)
LET b2 = b1
call assert_true(b1 == b2)
call assert_true(b1 is b2)
LET b2 = copy(b1)
call assert_true(b1 == b2)
call assert_false(b1 is b2)
LET b2 = b1[:]
call assert_true(b1 == b2)
call assert_false(b1 is b2)
call assert_true(b1 isnot b2)
END
call CheckLegacyAndVim9Success(lines)
let lines =<< trim END
VAR b1 = 0z0011
echo b1 == 9
END
call CheckLegacyAndVim9Failure(lines, ['E977:', 'E1072', 'E1072'])
let lines =<< trim END
VAR b1 = 0z0011
echo b1 != 9
END
call CheckLegacyAndVim9Failure(lines, ['E977:', 'E1072', 'E1072'])
let lines =<< trim END
VAR b1 = 0z0011
VAR b2 = 0z1100
VAR x = b1 > b2
END
call CheckLegacyAndVim9Failure(lines, ['E978:', 'E1072:', 'E1072:'])
let lines =<< trim END
VAR b1 = 0z0011
VAR b2 = 0z1100
VAR x = b1 < b2
END
call CheckLegacyAndVim9Failure(lines, ['E978:', 'E1072:', 'E1072:'])
let lines =<< trim END
VAR b1 = 0z0011
VAR b2 = 0z1100
VAR x = b1 - b2
END
call CheckLegacyAndVim9Failure(lines, ['E974:', 'E1036:', 'E974:'])
let lines =<< trim END
VAR b1 = 0z0011
VAR b2 = 0z1100
VAR x = b1 / b2
END
call CheckLegacyAndVim9Failure(lines, ['E974:', 'E1036:', 'E974:'])
let lines =<< trim END
VAR b1 = 0z0011
VAR b2 = 0z1100
VAR x = b1 * b2
END
call CheckLegacyAndVim9Failure(lines, ['E974:', 'E1036:', 'E974:'])
endfunc
func Test_blob_index_assign()
let lines =<< trim END
VAR b = 0z00
LET b[1] = 0x11
LET b[2] = 0x22
call assert_equal(0z001122, b)
END
call CheckLegacyAndVim9Success(lines)
let lines =<< trim END
VAR b = 0z00
LET b[2] = 0x33
END
call CheckLegacyAndVim9Failure(lines, 'E979:')
let lines =<< trim END
VAR b = 0z00
LET b[-2] = 0x33
END
call CheckLegacyAndVim9Failure(lines, 'E979:')
endfunc
func Test_blob_for_loop()
let lines =<< trim END
VAR blob = 0z00010203
VAR i = 0
for byte in blob
call assert_equal(i, byte)
LET i += 1
endfor
call assert_equal(4, i)
LET blob = 0z00
call remove(blob, 0)
call assert_equal(0, len(blob))
for byte in blob
call assert_report('loop over empty blob')
endfor
LET blob = 0z0001020304
LET i = 0
for byte in blob
call assert_equal(i, byte)
if i == 1
call remove(blob, 0)
elseif i == 3
call remove(blob, 3)
endif
LET i += 1
endfor
call assert_equal(5, i)
END
call CheckLegacyAndVim9Success(lines)
endfunc
func Test_blob_concatenate()
let lines =<< trim END
VAR b = 0z0011
LET b += 0z2233
call assert_equal(0z00112233, b)
LET b = 0zDEAD + 0zBEEF
call assert_equal(0zDEADBEEF, b)
END
call CheckLegacyAndVim9Success(lines)
let lines =<< trim END
VAR b = 0z0011
LET b += "a"
END
call CheckLegacyAndVim9Failure(lines, ['E734:', 'E1012:', 'E734:'])
let lines =<< trim END
VAR b = 0z0011
LET b += 88
END
call CheckLegacyAndVim9Failure(lines, ['E734:', 'E1012:', 'E734:'])
endfunc
func Test_blob_add()
let lines =<< trim END
VAR b = 0z0011
call add(b, 0x22)
call assert_equal(0z001122, b)
END
call CheckLegacyAndVim9Success(lines)
" Only works in legacy script
let b = 0z0011
call add(b, '51')
call assert_equal(0z001133, b)
call assert_equal(1, add(v:_null_blob, 0x22))
let lines =<< trim END
VAR b = 0z0011
call add(b, [9])
END
call CheckLegacyAndVim9Failure(lines, ['E745:', 'E1012:', 'E745:'])
let lines =<< trim END
VAR b = 0z0011
call add("", 0x01)
END
call CheckLegacyAndVim9Failure(lines, 'E897:')
let lines =<< trim END
add(v:_null_blob, 0x22)
END
call CheckDefExecAndScriptFailure(lines, 'E1131:')
endfunc
func Test_blob_empty()
call assert_false(empty(0z001122))
call assert_true(empty(0z))
call assert_true(empty(v:_null_blob))
endfunc
" Test removing items in blob
func Test_blob_func_remove()
let lines =<< trim END
#" Test removing 1 element
VAR b = 0zDEADBEEF
call assert_equal(0xDE, remove(b, 0))
call assert_equal(0zADBEEF, b)
LET b = 0zDEADBEEF
call assert_equal(0xEF, remove(b, -1))
call assert_equal(0zDEADBE, b)
LET b = 0zDEADBEEF
call assert_equal(0xAD, remove(b, 1))
call assert_equal(0zDEBEEF, b)
#" Test removing range of element(s)
LET b = 0zDEADBEEF
call assert_equal(0zBE, remove(b, 2, 2))
call assert_equal(0zDEADEF, b)
LET b = 0zDEADBEEF
call assert_equal(0zADBE, remove(b, 1, 2))
call assert_equal(0zDEEF, b)
END
call CheckLegacyAndVim9Success(lines)
" Test invalid cases
let lines =<< trim END
VAR b = 0zDEADBEEF
call remove(b, 5)
END
call CheckLegacyAndVim9Failure(lines, 'E979:')
let lines =<< trim END
VAR b = 0zDEADBEEF
call remove(b, 1, 5)
END
call CheckLegacyAndVim9Failure(lines, 'E979:')
let lines =<< trim END
VAR b = 0zDEADBEEF
call remove(b, 3, 2)
END
call CheckLegacyAndVim9Failure(lines, 'E979:')
let lines =<< trim END
VAR b = 0zDEADBEEF
call remove(1, 0)
END
call CheckLegacyAndVim9Failure(lines, 'E896:')
let lines =<< trim END
VAR b = 0zDEADBEEF
call remove(b, b)
END
call CheckLegacyAndVim9Failure(lines, 'E974:')
let lines =<< trim END
VAR b = 0zDEADBEEF
call remove(b, 1, [])
END
call CheckLegacyAndVim9Failure(lines, 'E745:')
let lines =<< trim END
VAR b = 0zDEADBEEF
call remove(v:_null_blob, 1, 2)
END
call CheckLegacyAndVim9Failure(lines, 'E979:')
let lines =<< trim END
let b = 0zDEADBEEF
lockvar b
call remove(b, 0)
unlockvar b
END
call CheckScriptFailure(lines, 'E741:')
" can only check at script level, not in a :def function
let lines =<< trim END
vim9script
var b = 0zDEADBEEF
lockvar b
remove(b, 0)
END
call CheckScriptFailure(lines, 'E741:')
endfunc
func Test_blob_read_write()
let lines =<< trim END
VAR b = 0zDEADBEEF
call writefile(b, 'Xblob')
VAR br = readfile('Xblob', 'B')
call assert_equal(b, br)
VAR br2 = readblob('Xblob')
call assert_equal(b, br2)
VAR br3 = readblob('Xblob', 1)
call assert_equal(b[1 :], br3)
VAR br4 = readblob('Xblob', 1, 2)
call assert_equal(b[1 : 2], br4)
VAR br5 = readblob('Xblob', -3)
call assert_equal(b[-3 :], br5)
VAR br6 = readblob('Xblob', -3, 2)
call assert_equal(b[-3 : -2], br6)
#" reading past end of file, empty result
VAR br1e = readblob('Xblob', 10000)
call assert_equal(0z, br1e)
#" reading too much, result is truncated
VAR blong = readblob('Xblob', -1000)
call assert_equal(b, blong)
LET blong = readblob('Xblob', -10, 8)
call assert_equal(b, blong)
LET blong = readblob('Xblob', 0, 10)
call assert_equal(b, blong)
call delete('Xblob')
END
call CheckLegacyAndVim9Success(lines)
if filereadable('/dev/random')
let b = readblob('/dev/random', 0, 10)
call assert_equal(10, len(b))
endif
call assert_fails("call readblob('notexist')", 'E484:')
" TODO: How do we test for the E485 error?
" This was crashing when calling readfile() with a directory.
call assert_fails("call readfile('.', 'B')", 'E17: "." is a directory')
endfunc
" filter() item in blob
func Test_blob_filter()
let lines =<< trim END
call assert_equal(v:_null_blob, filter(v:_null_blob, '0'))
call assert_equal(0z, filter(0zDEADBEEF, '0'))
call assert_equal(0zADBEEF, filter(0zDEADBEEF, 'v:val != 0xDE'))
call assert_equal(0zDEADEF, filter(0zDEADBEEF, 'v:val != 0xBE'))
call assert_equal(0zDEADBE, filter(0zDEADBEEF, 'v:val != 0xEF'))
call assert_equal(0zDEADBEEF, filter(0zDEADBEEF, '1'))
call assert_equal(0z01030103, filter(0z010203010203, 'v:val != 0x02'))
call assert_equal(0zADEF, filter(0zDEADBEEF, 'v:key % 2'))
END
call CheckLegacyAndVim9Success(lines)
endfunc
" map() item in blob
func Test_blob_map()
let lines =<< trim END
call assert_equal(0zDFAEBFF0, map(0zDEADBEEF, 'v:val + 1'))
call assert_equal(0z00010203, map(0zDEADBEEF, 'v:key'))
call assert_equal(0zDEAEC0F2, map(0zDEADBEEF, 'v:key + v:val'))
END
call CheckLegacyAndVim9Success(lines)
let lines =<< trim END
call map(0z00, '[9]')
END
call CheckLegacyAndVim9Failure(lines, 'E978:')
endfunc
func Test_blob_index()
let lines =<< trim END
call assert_equal(2, index(0zDEADBEEF, 0xBE))
call assert_equal(-1, index(0zDEADBEEF, 0))
call assert_equal(2, index(0z11111111, 0x11, 2))
call assert_equal(3, 0z11110111->index(0x11, 2))
call assert_equal(2, index(0z11111111, 0x11, -2))
call assert_equal(3, index(0z11110111, 0x11, -2))
call assert_equal(0, index(0z11110111, 0x11, -10))
call assert_equal(-1, index(v:_null_blob, 1))
END
call CheckLegacyAndVim9Success(lines)
let lines =<< trim END
echo index(0z11110111, 0x11, [])
END
call CheckLegacyAndVim9Failure(lines, 'E745:')
let lines =<< trim END
call index("asdf", 0)
END
call CheckLegacyAndVim9Failure(lines, 'E897:')
endfunc
func Test_blob_insert()
let lines =<< trim END
VAR b = 0zDEADBEEF
call insert(b, 0x33)
call assert_equal(0z33DEADBEEF, b)
LET b = 0zDEADBEEF
call insert(b, 0x33, 2)
call assert_equal(0zDEAD33BEEF, b)
END
call CheckLegacyAndVim9Success(lines)
" only works in legacy script
call assert_equal(0, insert(v:_null_blob, 0x33))
let lines =<< trim END
VAR b = 0zDEADBEEF
call insert(b, -1)
END
call CheckLegacyAndVim9Failure(lines, 'E475:')
let lines =<< trim END
VAR b = 0zDEADBEEF
call insert(b, 257)
END
call CheckLegacyAndVim9Failure(lines, 'E475:')
let lines =<< trim END
VAR b = 0zDEADBEEF
call insert(b, 0, [9])
END
call CheckLegacyAndVim9Failure(lines, ['E745:', 'E1013:', 'E745:'])
let lines =<< trim END
VAR b = 0zDEADBEEF
call insert(b, 0, -20)
END
call CheckLegacyAndVim9Failure(lines, 'E475:')
let lines =<< trim END
VAR b = 0zDEADBEEF
call insert(b, 0, 20)
END
call CheckLegacyAndVim9Failure(lines, 'E475:')
let lines =<< trim END
VAR b = 0zDEADBEEF
call insert(b, [])
END
call CheckLegacyAndVim9Failure(lines, ['E745:', 'E1013:', 'E745:'])
let lines =<< trim END
insert(v:_null_blob, 0x33)
END
call CheckDefExecAndScriptFailure(lines, 'E1131:')
let lines =<< trim END
let b = 0zDEADBEEF
lockvar b
call insert(b, 3)
unlockvar b
END
call CheckScriptFailure(lines, 'E741:')
let lines =<< trim END
vim9script
var b = 0zDEADBEEF
lockvar b
insert(b, 3)
END
call CheckScriptFailure(lines, 'E741:')
endfunc
func Test_blob_reverse()
let lines =<< trim END
call assert_equal(0zEFBEADDE, reverse(0zDEADBEEF))
call assert_equal(0zBEADDE, reverse(0zDEADBE))
call assert_equal(0zADDE, reverse(0zDEAD))
call assert_equal(0zDE, reverse(0zDE))
call assert_equal(0z, reverse(v:_null_blob))
END
call CheckLegacyAndVim9Success(lines)
endfunc
func Test_blob_json_encode()
let lines =<< trim END
#" call assert_equal('[222,173,190,239]', json_encode(0zDEADBEEF))
call assert_equal('[222, 173, 190, 239]', json_encode(0zDEADBEEF))
call assert_equal('[]', json_encode(0z))
END
call CheckLegacyAndVim9Success(lines)
endfunc
func Test_blob_lock()
let lines =<< trim END
let b = 0z112233
lockvar b
unlockvar b
let b = 0z44
END
call CheckScriptSuccess(lines)
let lines =<< trim END
vim9script
var b = 0z112233
lockvar b
unlockvar b
b = 0z44
END
call CheckScriptSuccess(lines)
let lines =<< trim END
let b = 0z112233
lockvar b
let b = 0z44
END
call CheckScriptFailure(lines, 'E741:')
let lines =<< trim END
vim9script
var b = 0z112233
lockvar b
b = 0z44
END
call CheckScriptFailure(lines, 'E741:')
endfunc
func Test_blob_sort()
if has('float')
call CheckLegacyAndVim9Failure(['call sort([1.0, 0z11], "f")'], 'E975:')
endif
call CheckLegacyAndVim9Failure(['call sort([11, 0z11], "N")'], 'E974:')
endfunc
" Tests for the blob2list() function
func Test_blob2list()
call assert_fails('let v = blob2list(10)', 'E1238: Blob required for argument 1')
eval 0zFFFF->blob2list()->assert_equal([255, 255])
let tests = [[0z0102, [1, 2]],
\ [0z00, [0]],
\ [0z, []],
\ [0z00000000, [0, 0, 0, 0]],
\ [0zAABB.CCDD, [170, 187, 204, 221]]]
for t in tests
call assert_equal(t[0]->blob2list(), t[1])
endfor
exe 'let v = 0z' .. repeat('000102030405060708090A0B0C0D0E0F', 64)
call assert_equal(1024, blob2list(v)->len())
call assert_equal([4, 8, 15], [v[100], v[1000], v[1023]])
call assert_equal([], blob2list(v:_null_blob))
endfunc
" Tests for the list2blob() function
func Test_list2blob()
call assert_fails('let b = list2blob(0z10)', 'E1211: List required for argument 1')
let tests = [[[1, 2], 0z0102],
\ [[0], 0z00],
\ [[], 0z],
\ [[0, 0, 0, 0], 0z00000000],
\ [[255, 255], 0zFFFF],
\ [[170, 187, 204, 221], 0zAABB.CCDD],
\ ]
for t in tests
call assert_equal(t[1], t[0]->list2blob())
endfor
call assert_fails('let b = list2blob([1, []])', 'E745:')
call assert_fails('let b = list2blob([-1])', 'E1239:')
call assert_fails('let b = list2blob([256])', 'E1239:')
let b = range(16)->repeat(64)->list2blob()
call assert_equal(1024, b->len())
call assert_equal([4, 8, 15], [b[100], b[1000], b[1023]])
call assert_equal(0z, list2blob(v:_null_list))
endfunc
" The following used to cause an out-of-bounds memory access
func Test_blob2string()
let v = '0z' .. repeat('01010101.', 444)
let v ..= '01'
exe 'let b = ' .. v
call assert_equal(v, string(b))
endfunc
func Test_blob_repeat()
call assert_equal(0z, repeat(0z00, 0))
call assert_equal(0z00, repeat(0z00, 1))
call assert_equal(0z0000, repeat(0z00, 2))
call assert_equal(0z00000000, repeat(0z0000, 2))
call assert_equal(0z, repeat(0z12, 0))
call assert_equal(0z, repeat(0z1234, 0))
call assert_equal(0z1234, repeat(0z1234, 1))
call assert_equal(0z12341234, repeat(0z1234, 2))
endfunc
" Test for blob allocation failure
func Test_blob_alloc_failure()
CheckFunction test_alloc_fail
" blob variable
call test_alloc_fail(GetAllocId('blob_alloc'), 0, 0)
call assert_fails('let v = 0z10', 'E342:')
" blob slice
let v = 0z1020
call test_alloc_fail(GetAllocId('blob_alloc'), 0, 0)
call assert_fails('let x = v[0:0]', 'E342:')
call assert_equal(0z1020, x)
" blob remove()
let v = 0z10203040
call test_alloc_fail(GetAllocId('blob_alloc'), 0, 0)
call assert_fails('let x = remove(v, 1, 2)', 'E342:')
call assert_equal(0, x)
" list2blob()
call test_alloc_fail(GetAllocId('blob_alloc'), 0, 0)
call assert_fails('let a = list2blob([1, 2, 4])', 'E342:')
call assert_equal(0, a)
" mapnew()
call test_alloc_fail(GetAllocId('blob_alloc'), 0, 0)
call assert_fails('let x = mapnew(0z1234, {_, v -> 1})', 'E342:')
call assert_equal(0, x)
" copy()
call test_alloc_fail(GetAllocId('blob_alloc'), 0, 0)
call assert_fails('let x = copy(v)', 'E342:')
call assert_equal(0z, x)
" readblob()
call test_alloc_fail(GetAllocId('blob_alloc'), 0, 0)
call assert_fails('let x = readblob("test_blob.vim")', 'E342:')
call assert_equal(0, x)
endfunc
" Test for the indexof() function
func Test_indexof()
let b = 0zdeadbeef
call assert_equal(0, indexof(b, {i, v -> v == 0xde}))
call assert_equal(3, indexof(b, {i, v -> v == 0xef}))
call assert_equal(-1, indexof(b, {i, v -> v == 0x1}))
call assert_equal(1, indexof(b, "v:val == 0xad"))
call assert_equal(-1, indexof(b, "v:val == 0xff"))
call assert_equal(-1, indexof(b, {_, v -> "v == 0xad"}))
call assert_equal(-1, indexof(0z, "v:val == 0x0"))
call assert_equal(-1, indexof(v:_null_blob, "v:val == 0xde"))
call assert_equal(-1, indexof(b, v:_null_string))
" Nvim doesn't have null functions
" call assert_equal(-1, indexof(b, test_null_function()))
let b = 0z01020102
call assert_equal(1, indexof(b, "v:val == 0x02", #{startidx: 0}))
call assert_equal(2, indexof(b, "v:val == 0x01", #{startidx: -2}))
call assert_equal(-1, indexof(b, "v:val == 0x01", #{startidx: 5}))
call assert_equal(0, indexof(b, "v:val == 0x01", #{startidx: -5}))
call assert_equal(0, indexof(b, "v:val == 0x01", v:_null_dict))
" failure cases
call assert_fails('let i = indexof(b, "val == 0xde")', 'E121:')
call assert_fails('let i = indexof(b, {})', 'E1256:')
endfunc
" vim: shiftwidth=2 sts=2 expandtab