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test: add some tests for :*map <expr>

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Add tests for:
 - Cursor position restored after :map expr
 - Cursor position restored after :imap expr
 - Error in :cmap expr handled correctly

Cherry-picked from #12837
This commit is contained in:
Jay Sandhu
2020-09-02 17:51:59 +01:00
committed by zeertzjq
parent 2ffe66a5a4
commit 80a3018a09
2 changed files with 109 additions and 6 deletions
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102
test/functional/ex_cmds/map_spec.lua
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@@ -1,4 +1,5 @@
local helpers = require("test.functional.helpers")(after_each)
local Screen = require('test.functional.ui.screen')
local eq = helpers.eq
local feed = helpers.feed
@@ -26,3 +27,104 @@ describe(':*map', function()
expect('-foo-')
end)
end)
describe(':*map <expr>', function()
local screen
before_each(function()
clear()
screen = Screen.new(20, 5)
screen:attach()
end)
it('cursor is restored after :map <expr>', function()
command(':map <expr> x input("> ")')
screen:expect([[
^ |
~ |
~ |
~ |
|
]])
feed('x')
screen:expect([[
|
~ |
~ |
~ |
> ^ |
]])
feed('\n')
screen:expect([[
^ |
~ |
~ |
~ |
> |
]])
end)
it('cursor is restored after :imap <expr>', function()
command(':imap <expr> x input("> ")')
feed('i')
screen:expect([[
^ |
~ |
~ |
~ |
-- INSERT -- |
]])
feed('x')
screen:expect([[
|
~ |
~ |
~ |
> ^ |
]])
feed('\n')
screen:expect([[
^ |
~ |
~ |
~ |
> |
]])
end)
it('error in :cmap <expr> handled correctly', function()
screen:try_resize(40, 5)
command(':cmap <expr> x execute("throw 42")')
feed(':echo "foo')
screen:expect([[
|
~ |
~ |
~ |
:echo "foo^ |
]])
feed('x')
screen:expect([[
|
:echo "foo |
Error detected while processing : |
E605: Exception not caught: 42 |
:echo "foo^ |
]])
feed('"')
screen:expect([[
|
:echo "foo |
Error detected while processing : |
E605: Exception not caught: 42 |
:echo "foo"^ |
]])
feed('\n')
screen:expect([[
:echo "foo |
Error detected while processing : |
E605: Exception not caught: 42 |
foo |
Press ENTER or type command to continue^ |
]])
end)
end)