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test/api: add test for set_cursor always updating the screen

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This commit is contained in:
Björn Linse 2014-10-26 16:10:36 +01:00
parent b34705bf5f
commit d6da424758
1 changed files with 67 additions and 2 deletions
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69
test/functional/api/window_spec.lua
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@ -1,9 +1,28 @@
-- Sanity checks for window_* API calls via msgpack-rpc
local helpers = require('test.functional.helpers')
local clear, nvim, buffer, curbuf, curbuf_contents, window, curwin, eq, neq,
ok = helpers.clear, helpers.nvim, helpers.buffer, helpers.curbuf,
ok, feed, rawfeed, insert, eval = helpers.clear, helpers.nvim, helpers.buffer, helpers.curbuf,
helpers.curbuf_contents, helpers.window, helpers.curwin, helpers.eq,
helpers.neq, helpers.ok
helpers.neq, helpers.ok, helpers.feed, helpers.rawfeed, helpers.insert, helpers.eval
-- check if str is visible at the beginning of some line
local function is_visible(str)
local slen = string.len(str)
local nlines = eval("&lines")
for i = 1,nlines do
local iseq = true
for j = 1,slen do
if string.byte(str,j) ~= eval("screenchar("..i..","..j..")") then
iseq = false
break
end
end
if iseq then
return true
end
end
return false
end
describe('window_* functions', function()
before_each(clear)
@ -29,6 +48,52 @@ describe('window_* functions', function()
nvim('command', 'normal i dumb')
eq('typing\n some dumb text', curbuf_contents())
end)
it('updates the screen, and also when the window is unfocused', function()
insert("prologue")
feed('100o<esc>')
insert("epilogue")
win = curwin()
feed('gg')
-- cursor position is at beginning
eq({1, 0}, window('get_cursor', win))
eq(true, is_visible("prologue"))
eq(false, is_visible("epilogue"))
-- move cursor to end
window('set_cursor', win, {101, 0})
eq(false, is_visible("prologue"))
eq(true, is_visible("epilogue"))
-- move cursor to the beginning again
window('set_cursor', win, {1, 0})
eq(true, is_visible("prologue"))
eq(false, is_visible("epilogue"))
-- move focus to new window
nvim('command',"new")
neq(win, curwin())
-- sanity check, cursor position is kept
eq({1, 0}, window('get_cursor', win))
eq(true, is_visible("prologue"))
eq(false, is_visible("epilogue"))
-- move cursor to end
window('set_cursor', win, {101, 0})
eq(false, is_visible("prologue"))
eq(true, is_visible("epilogue"))
-- move cursor to the beginning again
window('set_cursor', win, {1, 0})
eq(true, is_visible("prologue"))
eq(false, is_visible("epilogue"))
-- curwin didn't change back
neq(win, curwin())
end)
end)
describe('{get,set}_height', function()