+#!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)
+#
+# Tests that the ipc window::fullscreen_mode event works properly
+#
+# Bug still in: 4.7.2-135-g7deb23c
+use i3test;
+
+my $i3 = i3(get_socket_path());
+$i3->connect()->recv;
+
+my $cv;
+my $t;
+
+sub reset_test {
+ $cv = AE::cv;
+ $t = AE::timer(0.5, 0, sub { $cv->send(0); });
+}
+
+reset_test;
+
+$i3->subscribe({
+ window => sub {
+ my ($e) = @_;
+ if ($e->{change} eq 'fullscreen_mode') {
+ $cv->send($e->{container});
+ }
+ },
+ })->recv;
+
+my $window = open_window;
+
+cmd 'fullscreen';
+my $con = $cv->recv;
+
+ok($con, 'got fullscreen window event (on)');
+is($con->{fullscreen_mode}, 1, 'window is fullscreen');
+
+reset_test;
+cmd 'fullscreen';
+$con = $cv->recv;
+
+ok($con, 'got fullscreen window event (off)');
+is($con->{fullscreen_mode}, 0, 'window is not fullscreen');
+
+done_testing;