awesome/tests/test-leak-client.lua

85 lines
2.8 KiB
Lua

-- Some memory leak checks involving clients as integration tests.
local runner = require("_runner")
local awful = require("awful")
local wibox = require("wibox")
-- "Enable" titlebars (so that the titlebar can prevent garbage collection)
client.connect_signal("manage", function (c)
local buttons = awful.util.table.join(
awful.button({ }, 1, function()
client.focus = c
c:raise()
awful.mouse.client.move(c)
end),
awful.button({ }, 3, function()
client.focus = c
c:raise()
awful.mouse.client.resize(c)
end)
)
-- Widgets that are aligned to the left
local left_layout = wibox.layout.fixed.horizontal(awful.titlebar.widget.iconwidget(c))
left_layout:buttons(buttons)
-- The title goes in the middle
local title = awful.titlebar.widget.titlewidget(c)
title:set_align("center")
local middle_layout = wibox.layout.flex.horizontal(title)
middle_layout:buttons(buttons)
awful.titlebar(c):set_widget(wibox.layout.align.horizontal(
left_layout,
middle_layout,
wibox.layout.fixed.horizontal(
awful.titlebar.widget.floatingbutton(c),
awful.titlebar.widget.maximizedbutton(c),
awful.titlebar.widget.stickybutton(c),
awful.titlebar.widget.ontopbutton(c),
awful.titlebar.widget.closebutton(c)
)), { position = "bottom"})
end)
-- We tell the garbage collector when to work, disable it
collectgarbage("stop")
-- We try to get a client representing an already-closed client.
-- The first iteration starts xterm, the second keeps a weak reference to it and
-- closes it and the last one checks that the client object is GC'able.
local objs = nil
local second_call = false
local steps = {
function(count)
if count == 1 then
awful.spawn("xterm")
elseif not objs then
local c = client.get()[1]
if c then
objs = setmetatable({ c }, { __mode = "v" })
c:kill()
end
elseif not second_call then
-- Wait for one iteration so that gears.timer handles other delayed
-- calls (= the tasklist updates)
second_call = true
else
assert(#objs == 1)
-- Test that we have a client and that it's invalid (tostring()
-- causes an "invalid object" error)
local success, msg = pcall(function() tostring(objs[1]) end)
assert(not success)
assert(msg:find("invalid object"), msg)
-- Check that it is garbage-collectable
collectgarbage("collect")
assert(#objs == 0)
return true
end
end,
}
runner.run_steps(steps)
-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80