diff options
| -rw-r--r-- | test/functional/eval/changedtick_spec.lua | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/test/functional/eval/changedtick_spec.lua b/test/functional/eval/changedtick_spec.lua new file mode 100644 index 0000000000..cf8297296f --- /dev/null +++ b/test/functional/eval/changedtick_spec.lua @@ -0,0 +1,105 @@ +local helpers = require('test.functional.helpers')(after_each) + +local curbufmeths = helpers.curbufmeths +local clear = helpers.clear +local eq = helpers.eq +local eval = helpers.eval +local feed = helpers.feed +local funcs = helpers.funcs +local meths = helpers.meths +local command = helpers.command +local exc_exec = helpers.exc_exec +local redir_exec = helpers.redir_exec + +before_each(clear) + +local function preinc(t, v) t.value = t.value + (v or 1) return t.value end + +local function changedtick() + local ct = curbufmeths.get_changedtick() + eq(ct, curbufmeths.get_var('changedtick')) + eq(ct, curbufmeths.get_var('changedtick')) + eq(ct, eval('b:changedtick')) + eq(ct, eval('b:["changedtick"]')) + eq(ct, eval('b:.changedtick')) + eq(ct, funcs.getbufvar('%', 'changedtick')) + eq(ct, funcs.getbufvar('%', '').changedtick) + eq(ct, eval('b:').changedtick) + return ct +end + +describe('b:changedtick', function() + -- Ported tests from Vim-8.0.333 + it('increments', function() -- Test_changedtick_increments + -- New buffer has an empty line, tick starts at 2 + eq(2, changedtick()) + funcs.setline(1, 'hello') + eq(3, changedtick()) + eq(0, exc_exec('undo')) + -- Somehow undo counts as two changes + eq(5, changedtick()) + end) + it('is present in b: dictionary', function() + eq(2, changedtick()) + command('let d = b:') + eq(2, meths.get_var('d').changedtick) + end) + it('increments at bdel', function() + command('new') + eq(2, changedtick()) + local bnr = curbufmeths.get_number() + eq(2, bnr) + command('bdel') + eq(3, funcs.getbufvar(bnr, 'changedtick')) + eq(1, curbufmeths.get_number()) + end) + it('fails to be changed by user', function() + local ct = changedtick() + local ctn = ct + 100500 + eq(0, exc_exec('let d = b:')) + eq('\nE742: Cannot change value of b:changedtick', + redir_exec('let b:changedtick = ' .. ctn)) + eq('\nE742: Cannot change value of b:["changedtick"] = ' .. ctn, + redir_exec('let b:["changedtick"] = ' .. ctn)) + eq('\nE742: Cannot change value of b:.changedtick = ' .. ctn, + redir_exec('let b:.changedtick = ' .. ctn)) + eq('\nE742: Cannot change value of d.changedtick = ' .. ctn, + redir_exec('let d.changedtick = ' .. ctn)) + -- FIXME + -- eq({fales, ''}, + -- {pcall(curbufmeths.set_var, 'changedtick', ctn)}) + + eq('\nE795: Cannot delete variable b:changedtick', + redir_exec('unlet b:changedtick')) + -- FIXME + -- eq('\nE795: Cannot delete variable b:.changedtick', + -- redir_exec('unlet b:.changedtick')) + -- eq('\nE795: Cannot delete variable b:["changedtick"]', + -- redir_exec('unlet b:["changedtick"]')) + -- eq('\nE795: Cannot delete variable d.changedtick', + -- redir_exec('unlet d.changedtick')) + -- FIXME + -- eq({}, + -- {pcall(curbufmeths.del_var, 'changedtick')}) + eq(ct, changedtick()) + + eq('\nE742: Cannot change value of b:["changedtick"] += ' .. ctn, + redir_exec('let b:["changedtick"] += ' .. ctn)) + eq('\nE742: Cannot change value of b:["changedtick"] -= ' .. ctn, + redir_exec('let b:["changedtick"] -= ' .. ctn)) + eq('\nE742: Cannot change value of b:["changedtick"] .= ' .. ctn, + redir_exec('let b:["changedtick"] .= ' .. ctn)) + end) + it('is listed in :let output', function() + eq('\nb:changedtick #2', + redir_exec(':let b:')) + end) + it('fails to unlock b:changedtick', function() + -- FIXME + -- eq('\nE', redir_exec('unlockvar b:changedtick')) + end) + it('is being completed', function() + feed(':echo b:<Tab><Home>let cmdline="<End>"<CR>') + eq('echo b:changedtick', meths.get_var('cmdline')) + end) +end) |