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vim-patch:8.2.2981: recovery test is not run on big-endian systems
Problem: Recovery test is not run on big-endian systems.
Solution: Make it work on big-endian systems. (James McCoy, closes vim/vim#8368)
6654ca702c
Co-authored-by: James McCoy <jamessan@jamessan.com>
This commit is contained in:
zeertzjq
parent
f12a45c45e
commit
fa17dc1e1b
@ -203,103 +203,102 @@ func Test_recover_corrupted_swap_file()
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let b = readblob(sn)
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let save_b = copy(b)
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bw!
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" Run these tests only on little-endian systems. These tests fail on a
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" big-endian system (IBM S390x system).
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if b[1008:1011] == 0z33323130
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\ && b[4096:4097] == 0z7470
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\ && b[8192:8193] == 0z6164
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" clear the B0_MAGIC_LONG field
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let b[1008:1011] = 0z00000000
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call writefile(b, sn)
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let msg = execute('recover Xfile1')
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call assert_match('the file has been damaged', msg)
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call assert_equal('Xfile1', @%)
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call assert_equal([''], getline(1, '$'))
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bw!
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" Not all fields are written in a system-independent manner. Detect whether
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" the test is running on a little or big-endian system, so the correct
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" corruption values can be set.
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let little_endian = b[1008:1015] == 0z33323130.00000000
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" reduce the page size
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let b = copy(save_b)
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let b[12:15] = 0z00010000
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call writefile(b, sn)
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let msg = execute('recover Xfile1')
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call assert_match('page size is smaller than minimum value', msg)
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call assert_equal('Xfile1', @%)
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call assert_equal([''], getline(1, '$'))
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bw!
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" clear the B0_MAGIC_LONG field
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let b[1008:1015] = 0z0000000000000000
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call writefile(b, sn)
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let msg = execute('recover Xfile1')
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call assert_match('the file has been damaged', msg)
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call assert_equal('Xfile1', @%)
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call assert_equal([''], getline(1, '$'))
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bw!
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" clear the pointer ID
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let b = copy(save_b)
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let b[4096:4097] = 0z0000
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call writefile(b, sn)
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call assert_fails('recover Xfile1', 'E310:')
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call assert_equal('Xfile1', @%)
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call assert_equal([''], getline(1, '$'))
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bw!
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" reduce the page size
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let b = copy(save_b)
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let b[12:15] = 0z00010000
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call writefile(b, sn)
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let msg = execute('recover Xfile1')
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call assert_match('page size is smaller than minimum value', msg)
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call assert_equal('Xfile1', @%)
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call assert_equal([''], getline(1, '$'))
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bw!
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" set the number of pointers in a pointer block to zero
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let b = copy(save_b)
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let b[4098:4099] = 0z0000
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call writefile(b, sn)
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call assert_fails('recover Xfile1', 'E312:')
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call assert_equal('Xfile1', @%)
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call assert_equal(['???EMPTY BLOCK'], getline(1, '$'))
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bw!
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" clear the pointer ID
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let b = copy(save_b)
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let b[4096:4097] = 0z0000
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call writefile(b, sn)
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call assert_fails('recover Xfile1', 'E310:')
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call assert_equal('Xfile1', @%)
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call assert_equal([''], getline(1, '$'))
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bw!
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" set the block number in a pointer entry to a negative number
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let b = copy(save_b)
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let b[4104:4111] = 0z00000000.00000080
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call writefile(b, sn)
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call assert_fails('recover Xfile1', 'E312:')
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call assert_equal('Xfile1', @%)
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call assert_equal(['???LINES MISSING'], getline(1, '$'))
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bw!
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" set the number of pointers in a pointer block to zero
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let b = copy(save_b)
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let b[4098:4099] = 0z0000
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call writefile(b, sn)
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call assert_fails('recover Xfile1', 'E312:')
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call assert_equal('Xfile1', @%)
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call assert_equal(['???EMPTY BLOCK'], getline(1, '$'))
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bw!
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" clear the data block ID
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let b = copy(save_b)
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let b[8192:8193] = 0z0000
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call writefile(b, sn)
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call assert_fails('recover Xfile1', 'E312:')
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call assert_equal('Xfile1', @%)
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call assert_equal(['???BLOCK MISSING'], getline(1, '$'))
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bw!
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" set the block number in a pointer entry to a negative number
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let b = copy(save_b)
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let b[4104:4111] = little_endian ? 0z00000000.00000080 : 0z80000000.00000000
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call writefile(b, sn)
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call assert_fails('recover Xfile1', 'E312:')
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call assert_equal('Xfile1', @%)
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call assert_equal(['???LINES MISSING'], getline(1, '$'))
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bw!
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" set the number of lines in the data block to zero
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let b = copy(save_b)
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let b[8208:8211] = 0z00000000
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call writefile(b, sn)
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call assert_fails('recover Xfile1', 'E312:')
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call assert_equal('Xfile1', @%)
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call assert_equal(['??? from here until ???END lines may have been inserted/deleted',
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\ '???END'], getline(1, '$'))
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bw!
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" clear the data block ID
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let b = copy(save_b)
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let b[8192:8193] = 0z0000
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call writefile(b, sn)
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call assert_fails('recover Xfile1', 'E312:')
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call assert_equal('Xfile1', @%)
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call assert_equal(['???BLOCK MISSING'], getline(1, '$'))
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bw!
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" use an invalid text start for the lines in a data block
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let b = copy(save_b)
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let b[8216:8219] = 0z00000000
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call writefile(b, sn)
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call assert_fails('recover Xfile1', 'E312:')
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call assert_equal('Xfile1', @%)
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call assert_equal(['???'], getline(1, '$'))
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bw!
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" set the number of lines in the data block to zero
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let b = copy(save_b)
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let b[8208:8215] = 0z00000000.00000000
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call writefile(b, sn)
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call assert_fails('recover Xfile1', 'E312:')
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call assert_equal('Xfile1', @%)
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call assert_equal(['??? from here until ???END lines may have been inserted/deleted',
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\ '???END'], getline(1, '$'))
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bw!
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" use an incorrect text end (db_txt_end) for the data block
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let b = copy(save_b)
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let b[8204:8207] = 0z80000000
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call writefile(b, sn)
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call assert_fails('recover Xfile1', 'E312:')
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call assert_equal('Xfile1', @%)
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call assert_equal(['??? from here until ???END lines may be messed up', '',
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\ '???END'], getline(1, '$'))
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bw!
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" use an invalid text start for the lines in a data block
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let b = copy(save_b)
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let b[8216:8219] = 0z00000000
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call writefile(b, sn)
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call assert_fails('recover Xfile1', 'E312:')
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call assert_equal('Xfile1', @%)
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call assert_equal(['???'], getline(1, '$'))
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bw!
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" remove the data block
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let b = copy(save_b)
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call writefile(b[:8191], sn)
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call assert_fails('recover Xfile1', 'E312:')
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call assert_equal('Xfile1', @%)
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call assert_equal(['???MANY LINES MISSING'], getline(1, '$'))
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endif
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" use an incorrect text end (db_txt_end) for the data block
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let b = copy(save_b)
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let b[8204:8207] = little_endian ? 0z80000000 : 0z00000080
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call writefile(b, sn)
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call assert_fails('recover Xfile1', 'E312:')
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call assert_equal('Xfile1', @%)
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call assert_equal(['??? from here until ???END lines may be messed up', '',
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\ '???END'], getline(1, '$'))
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bw!
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" remove the data block
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let b = copy(save_b)
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call writefile(b[:8191], sn)
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call assert_fails('recover Xfile1', 'E312:')
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call assert_equal('Xfile1', @%)
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call assert_equal(['???MANY LINES MISSING'], getline(1, '$'))
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bw!
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call delete(sn)
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