From aed8ce9da277f5ecffe968b324f242c41c3b752a Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 10:50:31 +0200
Subject: Adding upstream version 2:9.0.1378.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/testdir/test_blob.vim | 835 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 835 insertions(+)
 create mode 100644 src/testdir/test_blob.vim

(limited to 'src/testdir/test_blob.vim')

diff --git a/src/testdir/test_blob.vim b/src/testdir/test_blob.vim
new file mode 100644
index 0000000..cccecb7
--- /dev/null
+++ b/src/testdir/test_blob.vim
@@ -0,0 +1,835 @@
+" Tests for the Blob types
+
+import './vim9.vim' as v9
+
+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, test_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(test_null_blob()))
+      call assert_equal(0z, copy(test_null_blob()))
+  END
+  call v9.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 v9.CheckLegacyAndVim9Success(lines)
+
+  let lines =<< trim END
+      VAR b = 0zDEADBEEF
+      LET b[2 : 3] = 0z112233
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, 'E972:')
+
+  let lines =<< trim END
+      VAR b = 0zDEADBEEF
+      LET b[2 : 3] = 0z11
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, 'E972:')
+
+  let lines =<< trim END
+      VAR b = 0zDEADBEEF
+      LET b[3 : 2] = 0z
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, 'E979:')
+
+  let lines =<< trim END
+      VAR b = 0zDEADBEEF
+      LET b ..= 0z33
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, ['E734:', 'E1019:', 'E734:'])
+
+  let lines =<< trim END
+      VAR b = 0zDEADBEEF
+      LET b ..= "xx"
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, ['E734:', 'E1019:', 'E734:'])
+
+  let lines =<< trim END
+      VAR b = 0zDEADBEEF
+      LET b += "xx"
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, ['E734:', 'E1012:', 'E734:'])
+
+  let lines =<< trim END
+      VAR b = 0zDEADBEEF
+      LET b[1 : 1] ..= 0z55
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, ['E734:', 'E1183:', 'E734:'])
+
+  call assert_fails('let b = readblob("a1b2c3")', 'E484:')
+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 v9.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(test_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 v9.CheckLegacyAndVim9Success(lines)
+
+  let lines =<< trim END
+      VAR b = 0z0011223344
+      echo b[5]
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, 'E979:')
+
+  let lines =<< trim END
+      VAR b = 0z0011223344
+      echo b[-8]
+  END
+  call v9.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(test_null_blob()))
+  END
+  call v9.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)
+      call assert_true(0z != 0z10)
+      call assert_true(0z10 != 0z)
+  END
+  call v9.CheckLegacyAndVim9Success(lines)
+
+  let lines =<< trim END
+      VAR b1 = 0z0011
+      echo b1 == 9
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, ['E977:', 'E1072', 'E1072'])
+
+  let lines =<< trim END
+      VAR b1 = 0z0011
+      echo b1 != 9
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, ['E977:', 'E1072', 'E1072'])
+
+  let lines =<< trim END
+      VAR b1 = 0z0011
+      VAR b2 = 0z1100
+      VAR x = b1 > b2
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, ['E978:', 'E1072:', 'E1072:'])
+
+  let lines =<< trim END
+      VAR b1 = 0z0011
+      VAR b2 = 0z1100
+      VAR x = b1 < b2
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, ['E978:', 'E1072:', 'E1072:'])
+
+  let lines =<< trim END
+      VAR b1 = 0z0011
+      VAR b2 = 0z1100
+      VAR x = b1 - b2
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, ['E974:', 'E1036:', 'E974:'])
+
+  let lines =<< trim END
+      VAR b1 = 0z0011
+      VAR b2 = 0z1100
+      VAR x = b1 / b2
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, ['E974:', 'E1036:', 'E974:'])
+
+  let lines =<< trim END
+      VAR b1 = 0z0011
+      VAR b2 = 0z1100
+      VAR x = b1 * b2
+  END
+  call v9.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
+      LET b[0] = 0x33
+      call assert_equal(0z331122, b)
+  END
+  call v9.CheckLegacyAndVim9Success(lines)
+
+  let lines =<< trim END
+      VAR b = 0z00
+      LET b[2] = 0x33
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, 'E979:')
+
+  let lines =<< trim END
+      VAR b = 0z00
+      LET b[-2] = 0x33
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, 'E979:')
+
+  let lines =<< trim END
+      VAR b = 0z00010203
+      LET b[0 : -1] = 0z33
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, 'E979:')
+
+  let lines =<< trim END
+      VAR b = 0z00010203
+      LET b[3 : 4] = 0z3344
+  END
+  call v9.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 v9.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 v9.CheckLegacyAndVim9Success(lines)
+
+  let lines =<< trim END
+      VAR b = 0z0011
+      LET b += "a"
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, ['E734:', 'E1012:', 'E734:'])
+
+  let lines =<< trim END
+      VAR b = 0z0011
+      LET b += 88
+  END
+  call v9.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 v9.CheckLegacyAndVim9Success(lines)
+
+  " Only works in legacy script
+  let b = 0z0011
+  call add(b, '51')
+  call assert_equal(0z001133, b)
+  call assert_equal(1, add(test_null_blob(), 0x22))
+
+  let lines =<< trim END
+      VAR b = 0z0011
+      call add(b, [9])
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, ['E745:', 'E1012:', 'E1210:'])
+
+  let lines =<< trim END
+      VAR b = 0z0011
+      call add("", 0x01)
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, ['E897:', 'E1013:', 'E1226:'])
+
+  let lines =<< trim END
+      add(test_null_blob(), 0x22)
+  END
+  call v9.CheckDefExecAndScriptFailure(lines, 'E1131:')
+
+  let lines =<< trim END
+      let b = 0zDEADBEEF
+      lockvar b
+      call add(b, 0)
+      unlockvar b
+  END
+  call v9.CheckScriptFailure(lines, 'E741:')
+endfunc
+
+func Test_blob_empty()
+  call assert_false(empty(0z001122))
+  call assert_true(empty(0z))
+  call assert_true(empty(test_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 v9.CheckLegacyAndVim9Success(lines)
+
+  " Test invalid cases
+  let lines =<< trim END
+      VAR b = 0zDEADBEEF
+      call remove(b, 5)
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, 'E979:')
+
+  let lines =<< trim END
+      VAR b = 0zDEADBEEF
+      call remove(b, 1, 5)
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, 'E979:')
+
+  let lines =<< trim END
+      VAR b = 0zDEADBEEF
+      call remove(b, -10)
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, 'E979:')
+
+  let lines =<< trim END
+      VAR b = 0zDEADBEEF
+      call remove(b, 3, 2)
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, 'E979:')
+
+  let lines =<< trim END
+      VAR b = 0zDEADBEEF
+      call remove(test_null_blob(), 1, 2)
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, 'E979:')
+
+  let lines =<< trim END
+      let b = 0zDEADBEEF
+      lockvar b
+      call remove(b, 0)
+      unlockvar b
+  END
+  call v9.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 v9.CheckScriptFailure(lines, 'E741:')
+
+  call assert_fails('echo remove(0z1020, [])', 'E745:')
+  call assert_fails('echo remove(0z1020, 0, [])', 'E745:')
+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 v9.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(test_null_blob(), filter(test_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 v9.CheckLegacyAndVim9Success(lines)
+  call assert_fails('echo filter(0z10, "a10")', 'E121:')
+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 v9.CheckLegacyAndVim9Success(lines)
+
+  let lines =<< trim END
+      call map(0z00, '[9]')
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, 'E978:')
+  call assert_fails('echo map(0z10, "a10")', 'E121:')
+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(test_null_blob(), 1))
+  END
+  call v9.CheckLegacyAndVim9Success(lines)
+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 v9.CheckLegacyAndVim9Success(lines)
+
+  " only works in legacy script
+  call assert_equal(0, insert(test_null_blob(), 0x33))
+
+  let lines =<< trim END
+      VAR b = 0zDEADBEEF
+      call insert(b, -1)
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, 'E475:')
+
+  let lines =<< trim END
+      VAR b = 0zDEADBEEF
+      call insert(b, 257)
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, 'E475:')
+
+  let lines =<< trim END
+      VAR b = 0zDEADBEEF
+      call insert(b, 0, [9])
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, ['E745:', 'E1013:', 'E1210:'])
+
+  let lines =<< trim END
+      VAR b = 0zDEADBEEF
+      call insert(b, 0, -20)
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, 'E475:')
+
+  let lines =<< trim END
+      VAR b = 0zDEADBEEF
+      call insert(b, 0, 20)
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, 'E475:')
+
+  let lines =<< trim END
+      VAR b = 0zDEADBEEF
+      call insert(b, [])
+  END
+  call v9.CheckLegacyAndVim9Failure(lines, ['E745:', 'E1013:', 'E1210:'])
+
+  let lines =<< trim END
+      insert(test_null_blob(), 0x33)
+  END
+  call v9.CheckDefExecAndScriptFailure(lines, 'E1131:')
+
+  let lines =<< trim END
+      let b = 0zDEADBEEF
+      lockvar b
+      call insert(b, 3)
+      unlockvar b
+  END
+  call v9.CheckScriptFailure(lines, 'E741:')
+
+  let lines =<< trim END
+      vim9script
+      var b = 0zDEADBEEF
+      lockvar b
+      insert(b, 3)
+  END
+  call v9.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(test_null_blob()))
+  END
+  call v9.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('[]', json_encode(0z))
+  END
+  call v9.CheckLegacyAndVim9Success(lines)
+endfunc
+
+func Test_blob_lock()
+  let lines =<< trim END
+      let b = 0z112233
+      lockvar b
+      unlockvar b
+      let b = 0z44
+  END
+  call v9.CheckScriptSuccess(lines)
+
+  let lines =<< trim END
+      vim9script
+      var b = 0z112233
+      lockvar b
+      unlockvar b
+      b = 0z44
+  END
+  call v9.CheckScriptSuccess(lines)
+
+  let lines =<< trim END
+      let b = 0z112233
+      lockvar b
+      let b = 0z44
+  END
+  call v9.CheckScriptFailure(lines, 'E741:')
+
+  let lines =<< trim END
+      vim9script
+      var b = 0z112233
+      lockvar b
+      b = 0z44
+  END
+  call v9.CheckScriptFailure(lines, 'E741:')
+endfunc
+
+func Test_blob_sort()
+  call v9.CheckLegacyAndVim9Failure(['call sort([1.0, 0z11], "f")'], 'E975:')
+  call v9.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(test_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(test_null_list()))
+  call assert_equal(0z00010203, list2blob(range(4)))
+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()
+  " 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(test_null_blob(), "v:val == 0xde"))
+  call assert_equal(-1, indexof(b, test_null_string()))
+  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", test_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
-- 
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