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vim-patch:8.2.3498: recover test may fail on some systems

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Problem:    Recover test may fail on some systems.
Solution:   Adjust the little endian and 64 bit detection. (James McCoy,
            closes vim/vim#8941)

37f341d723

Co-authored-by: James McCoy <jamessan@jamessan.com>
This commit is contained in:
zeertzjq
2022-11-17 23:03:10 +08:00
parent d8fc390bd0
commit c269b8dcae
1 changed files with 5 additions and 3 deletions
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8
src/nvim/testdir/test_recover.vim
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@@ -213,9 +213,11 @@ func Test_recover_corrupted_swap_file()
" Not all fields are written in a system-independent manner. Detect whether " Not all fields are written in a system-independent manner. Detect whether
" the test is running on a little or big-endian system, so the correct " the test is running on a little or big-endian system, so the correct
" corruption values can be set. " corruption values can be set.
let little_endian = b[1008:1011] == 0z33323130 " The B0_MAGIC_LONG field may be 32-bit or 64-bit, depending on the system,
" The swap file header fields can be either 32-bit or 64-bit. " even though the value stored is only 32-bits. Therefore, need to check
let system_64bit = b[1012:1015] == 0z00000000 " both the high and low 32-bits to compute these values.
let little_endian = (b[1008:1011] == 0z33323130) || (b[1012:1015] == 0z33323130)
let system_64bit = little_endian ? (b[1012:1015] == 0z00000000) : (b[1008:1011] == 0z00000000)
" clear the B0_MAGIC_LONG field " clear the B0_MAGIC_LONG field
if system_64bit if system_64bit