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check_widget(): Also check .is_widget entry 

Signed-off-by: Uli Schlachter <psychon@znc.in>
This commit is contained in:
Uli Schlachter 2016-02-27 14:01:31 +01:00
parent b1e7d3c22c
commit 1dd63b04de
2 changed files with 3 additions and 1 deletions
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3
lib/wibox/widget/base.lua
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@ -559,7 +559,8 @@ end
--- Do some sanity checking on widget. This function raises a lua error if --- Do some sanity checking on widget. This function raises a lua error if
-- widget is not a valid widget. -- widget is not a valid widget.
function base.check_widget(widget) function base.check_widget(widget)
assert(type(widget) == "table") assert(type(widget) == "table", "Type should be table, but is " .. tostring(type(widget)))
assert(widget.is_widget, "Argument is not a widget!")
for _, func in pairs({ "add_signal", "connect_signal", "disconnect_signal" }) do for _, func in pairs({ "add_signal", "connect_signal", "disconnect_signal" }) do
assert(type(widget[func]) == "function", func .. " is not a function") assert(type(widget[func]) == "function", func .. " is not a function")
end end

1
spec/wibox/test_utils.lua
View File

@ -84,6 +84,7 @@ return {
local w = object() local w = object()
w:add_signal("widget::redraw_needed") w:add_signal("widget::redraw_needed")
w:add_signal("widget::layout_changed") w:add_signal("widget::layout_changed")
w.is_widget = true
w.visible = true w.visible = true
w.opacity = 1 w.opacity = 1
if width or height then if width or height then