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vim-patch:8.0.1290: seq_cur of undotree() wrong after undo

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Problem:    seq_cur of undotree() wrong after undo.
Solution:   Get the actual sequence number instead of decrementing the current
            one. (Ozaki Kiichi, closes vim/vim#2319)
80eaddd3a0
This commit is contained in:
Jan Edmund Lazo 2018-08-09 13:23:04 -04:00
parent cb7bdf5f92
commit 4e963f2462
1 changed files with 71 additions and 11 deletions
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82
src/nvim/testdir/test_undo.vim
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@ -4,22 +4,82 @@
" Also tests :earlier and :later.
func Test_undotree()
exe "normal Aabc\<Esc>"
new
normal! Aabc
set ul=100
exe "normal Adef\<Esc>"
set ul=100
undo
let d = undotree()
call assert_true(d.seq_last > 0)
call assert_true(d.seq_cur > 0)
call assert_true(d.seq_cur < d.seq_last)
call assert_true(len(d.entries) > 0)
" TODO: check more members of d
call assert_equal(1, d.seq_last)
call assert_equal(1, d.seq_cur)
call assert_equal(0, d.save_last)
call assert_equal(0, d.save_cur)
call assert_equal(1, len(d.entries))
call assert_equal(1, d.entries[0].newhead)
call assert_equal(1, d.entries[0].seq)
call assert_true(d.entries[0].time <= d.time_cur)
normal! Adef
set ul=100
let d = undotree()
call assert_equal(2, d.seq_last)
call assert_equal(2, d.seq_cur)
call assert_equal(0, d.save_last)
call assert_equal(0, d.save_cur)
call assert_equal(2, len(d.entries))
call assert_equal(1, d.entries[0].seq)
call assert_equal(1, d.entries[1].newhead)
call assert_equal(2, d.entries[1].seq)
call assert_true(d.entries[1].time <= d.time_cur)
undo
set ul=100
let d = undotree()
call assert_equal(2, d.seq_last)
call assert_equal(1, d.seq_cur)
call assert_equal(0, d.save_last)
call assert_equal(0, d.save_cur)
call assert_equal(2, len(d.entries))
call assert_equal(1, d.entries[0].seq)
call assert_equal(1, d.entries[1].curhead)
call assert_equal(1, d.entries[1].newhead)
call assert_equal(2, d.entries[1].seq)
call assert_true(d.entries[1].time == d.time_cur)
normal! Aghi
set ul=100
let d = undotree()
call assert_equal(3, d.seq_last)
call assert_equal(3, d.seq_cur)
call assert_equal(0, d.save_last)
call assert_equal(0, d.save_cur)
call assert_equal(2, len(d.entries))
call assert_equal(1, d.entries[0].seq)
call assert_equal(2, d.entries[1].alt[0].seq)
call assert_equal(1, d.entries[1].newhead)
call assert_equal(3, d.entries[1].seq)
call assert_true(d.entries[1].time <= d.time_cur)
undo
set ul=100
let d = undotree()
call assert_equal(3, d.seq_last)
call assert_equal(1, d.seq_cur)
call assert_equal(0, d.save_last)
call assert_equal(0, d.save_cur)
call assert_equal(2, len(d.entries))
call assert_equal(1, d.entries[0].seq)
call assert_equal(2, d.entries[1].alt[0].seq)
call assert_equal(1, d.entries[1].curhead)
call assert_equal(1, d.entries[1].newhead)
call assert_equal(3, d.entries[1].seq)
call assert_true(d.entries[1].time == d.time_cur)
w! Xtest
call assert_equal(d.save_last + 1, undotree().save_last)
let d = undotree()
call assert_equal(1, d.save_cur)
call assert_equal(1, d.save_last)
call delete('Xtest')
bwipe Xtest
bwipe! Xtest
endfunc
func FillBuffer()