i3/testcases/t/505-scratchpad-resolution.t
Michael Stapelberg 07d583d780 tests: sync_with_i3 before warping pointer
To be honest, I’m not entirely sure where the race condition originates
from, but when making sure that there are no pending events
(which is what sync_with_i3 accomplishes) before warping the pointer, we
have less flaky testsuite runs.

closes #1189
2014-02-25 20:44:17 +01:00

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#!perl
# vim:ts=4:sw=4:expandtab
#
# Please read the following documents before working on tests:
# • http://build.i3wm.org/docs/testsuite.html
# (or docs/testsuite)
#
# • http://build.i3wm.org/docs/lib-i3test.html
# (alternatively: perldoc ./testcases/lib/i3test.pm)
#
# • http://build.i3wm.org/docs/ipc.html
# (or docs/ipc)
#
# • http://onyxneon.com/books/modern_perl/modern_perl_a4.pdf
# (unless you are already familiar with Perl)
#
# Verifies that scratchpad windows dont move due to floating point caulcation
# errors when repeatedly hiding/showing, no matter what display resolution.
#
use i3test i3_autostart => 0;
my $config = <<EOT;
# i3 config file (v4)
font -misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1
fake-outputs 683x768+0+0,1024x768+683+0
EOT
my $pid = launch_with_config($config);
my $i3 = i3(get_socket_path());
sync_with_i3;
$x->root->warp_pointer(0, 0);
sync_with_i3;
sub verify_scratchpad_doesnt_move {
my ($ws) = @_;
is_num_children($ws, 0, 'no nodes on this ws');
my $window = open_window;
is_num_children($ws, 1, 'one node on this ws');
cmd 'move scratchpad';
is_num_children($ws, 0, 'no nodes on this ws');
my $last_x = -1;
for (1 .. 20) {
cmd 'scratchpad show';
is(scalar @{get_ws($ws)->{floating_nodes}}, 1, 'one floating node on this ws');
# Verify that the coordinates are within bounds.
my $content = get_ws($ws);
my $srect = $content->{floating_nodes}->[0]->{rect};
if ($last_x > -1) {
is($srect->{x}, $last_x, 'scratchpad window did not move');
}
$last_x = $srect->{x};
cmd 'scratchpad show';
}
# We need to kill the scratchpad window, otherwise scratchpad show in
# subsequent calls of verify_scratchpad_doesnt_move will cycle between all
# the windows.
cmd 'scratchpad show';
cmd 'kill';
}
################################################################################
# test it on the left output first (1366x768)
################################################################################
my $second = fresh_workspace(output => 0);
verify_scratchpad_doesnt_move($second);
################################################################################
# now on the right output (1024x768)
################################################################################
sync_with_i3;
$x->root->warp_pointer(683 + 10, 0);
sync_with_i3;
my $third = fresh_workspace(output => 1);
verify_scratchpad_doesnt_move($third);
exit_gracefully($pid);
done_testing;