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tests: add testcase for another case of #239

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The compositor crashes when a window does:
has shadow -> no shadow -> has shadow

This is because when the shadow is turned off, the shadow image is not
freed, and this is catched by a later assertion.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
This commit is contained in:
Yuxuan Shui 2019-11-18 20:53:49 +00:00
parent 9a88d971d5
commit db2c9ff0be
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3 changed files with 57 additions and 0 deletions
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4
tests/configs/issue239_3.conf Normal file
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@ -0,0 +1,4 @@
shadow = true;
shadow-exclude = [
"name = 'NoShadow'"
]

1
tests/run_tests.sh
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@ -6,3 +6,4 @@ cd $(dirname $0)
./run_one_test.sh $exe configs/empty.conf testcases/basic.py
./run_one_test.sh $exe configs/issue239.conf testcases/issue239.py
./run_one_test.sh $exe configs/issue239_2.conf testcases/issue239_2.py
./run_one_test.sh $exe configs/issue239_3.conf testcases/issue239_3.py

52
tests/testcases/issue239_3.py Executable file
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@ -0,0 +1,52 @@
#!/usr/bin/env python
import xcffib.xproto as xproto
import xcffib
import time
conn = xcffib.connect()
setup = conn.get_setup()
root = setup.roots[0].root
visual = setup.roots[0].root_visual
depth = setup.roots[0].root_depth
# issue 239 is caused by a window gaining a shadow during its fade-out transition
wid = conn.generate_id()
print("Window id is ", hex(wid))
# Create a window
conn.core.CreateWindowChecked(depth, wid, root, 0, 0, 100, 100, 0, xproto.WindowClass.InputOutput, visual, 0, []).check()
# Set Window name so it doesn't get a shadow
name = "_NET_WM_NAME"
name_atom = conn.core.InternAtom(True, len(name), name).reply().atom
str_type = "STRING"
str_type_atom = conn.core.InternAtom(True, len(str_type), str_type).reply().atom
win_name = "YesShadow"
conn.core.ChangePropertyChecked(xproto.PropMode.Replace, wid, name_atom, str_type_atom, 8, len(win_name), win_name).check()
# Map the window
print("mapping")
conn.core.MapWindowChecked(wid).check()
time.sleep(0.5)
print("set new name")
win_name = "NoShadow"
conn.core.ChangePropertyChecked(xproto.PropMode.Replace, wid, name_atom, str_type_atom, 8, len(win_name), win_name).check()
# Set the Window name so it gets a shadow
print("set new name")
win_name = "YesShadow"
conn.core.ChangePropertyChecked(xproto.PropMode.Replace, wid, name_atom, str_type_atom, 8, len(win_name), win_name).check()
time.sleep(0.5)
# Unmap the window
conn.core.UnmapWindowChecked(wid).check()
time.sleep(0.5)
# Destroy the window
conn.core.DestroyWindowChecked(wid).check()