awesome/tests/test-leaks.lua

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-- Some memory leak checks as integration tests.
local runner = require("_runner")
local awful = require("awful")
local cairo = require("lgi").cairo
local create_wibox = require("_wibox_helper").create_wibox
local wibox = require("wibox")
local prepare_for_collect = nil
local function emit_refresh()
awesome.emit_signal("refresh")
end
-- Make the layoutbox in the default config GC'able
for s in screen do
s.mywibox:set_widget(wibox.widget.textbox())
s.mywibox.visible = false
s.mywibox = nil
s.mylayoutbox = nil
end
emit_refresh()
-- Test if some objects can be garbage collected
local function collectable(a, b, c, d, e, f, g, h, last)
assert(last == nil, "got more arguments than supported")
local objs = setmetatable({ a, b, c, d, e, f, g, h }, { __mode = "v" })
a, b, c, d, e, f, g, h = nil, nil, nil, nil, nil, nil, nil, nil -- luacheck: ignore
if prepare_for_collect then
prepare_for_collect()
prepare_for_collect = nil
end
collectgarbage("collect")
collectgarbage("collect")
collectgarbage("collect")
-- Check if the table is now empty
for _, v in pairs(objs) do
print("Some object was not garbage collected!")
error(v)
end
end
-- Use the layoutbox for testing delayed tooltips
local function tooltip_delayed()
local l = awful.widget.layoutbox(1)
local t = l._layoutbox_tooltip
assert(t)
return l, t
end
local function tooltip_now()
local w = wibox.widget.textbox("some textbox")
local t = awful.tooltip({ objects = {w} })
return w, t
end
-- First test some basic widgets
collectable(wibox.widget.base.make_widget())
collectable(wibox.widget.textbox("foo"))
collectable(wibox.layout.fixed.horizontal())
collectable(wibox.layout.align.horizontal())
-- Then some random widgets from awful
collectable(awful.widget.launcher({ image = cairo.ImageSurface(cairo.Format.ARGB32, 20, 20), command = "bash" }))
collectable(awful.widget.prompt())
collectable(wibox.widget.textclock())
collectable(awful.widget.layoutbox(1))
-- Some widgets do things via timer.delayed_call
prepare_for_collect = emit_refresh
collectable(tooltip_delayed())
prepare_for_collect = emit_refresh
collectable(tooltip_now())
prepare_for_collect = emit_refresh
collectable(awful.widget.taglist(1, awful.widget.taglist.filter.all))
prepare_for_collect = emit_refresh
collectable(awful.widget.tasklist(1, awful.widget.tasklist.filter.currenttags))
prepare_for_collect = emit_refresh
collectable(create_wibox())
runner.run_steps({ function() return true end })
-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80