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message: don't output unprintable chars to screen

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fixes #7586 #8070
This commit is contained in:
Björn Linse
2018-02-27 10:02:04 +01:00
parent a98736b9c0
commit cee9a8ce8a
2 changed files with 96 additions and 10 deletions
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90
test/functional/ui/input_spec.lua
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@@ -2,6 +2,7 @@ local helpers = require('test.functional.helpers')(after_each)
local clear, feed_command, nvim = helpers.clear, helpers.feed_command, helpers.nvim
local feed, next_message, eq = helpers.feed, helpers.next_message, helpers.eq
local expect = helpers.expect
local write_file = helpers.write_file
local Screen = require('test.functional.ui.screen')
describe('mappings', function()
@@ -124,3 +125,92 @@ describe('input utf sequences that contain CSI/K_SPECIAL', function()
expect('…')
end)
end)
describe('input non-printable chars', function()
it("doesn't crash when echoing them back", function()
write_file("Xtest-overwrite", [[foobar]])
clear()
local screen = Screen.new(60,8)
screen:set_default_attr_ids({
[1] = {bold = true, foreground = Screen.colors.Blue1},
[2] = {foreground = Screen.colors.Grey100, background = Screen.colors.Red},
[3] = {bold = true, foreground = Screen.colors.SeaGreen4}
})
screen:attach()
feed_command("e Xtest-overwrite")
screen:expect([[
^foobar |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
"Xtest-overwrite" [noeol] 1L, 6C |
]])
-- The timestamp is in second resolution, wait two seconds to be sure.
screen:sleep(2000)
write_file("Xtest-overwrite", [[smurf]])
feed_command("w")
screen:expect([[
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
"Xtest-overwrite" |
{2:WARNING: The file has been changed since reading it!!!} |
{3:Do you really want to write to it (y/n)?}^ |
]])
feed("u")
screen:expect([[
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
"Xtest-overwrite" |
{2:WARNING: The file has been changed since reading it!!!} |
{3:Do you really want to write to it (y/n)?}u |
{3:Do you really want to write to it (y/n)?}^ |
]])
feed("\005")
screen:expect([[
{1:~ }|
{1:~ }|
{1:~ }|
"Xtest-overwrite" |
{2:WARNING: The file has been changed since reading it!!!} |
{3:Do you really want to write to it (y/n)?}u |
{3:Do you really want to write to it (y/n)?} |
{3:Do you really want to write to it (y/n)?}^ |
]])
feed("n")
screen:expect([[
{1:~ }|
{1:~ }|
"Xtest-overwrite" |
{2:WARNING: The file has been changed since reading it!!!} |
{3:Do you really want to write to it (y/n)?}u |
{3:Do you really want to write to it (y/n)?} |
{3:Do you really want to write to it (y/n)?}n |
{3:Press ENTER or type command to continue}^ |
]])
feed("<cr>")
screen:expect([[
^foobar |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
|
]])
end)
end)