--- /dev/null
+#!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)
+#
+# Test that the window::floating event works correctly. This event should be
+# emitted when a window transitions to or from the floating state.
+# Bug still in: 4.8-7-gf4a8253
+use i3test;
+
+my $i3 = i3(get_socket_path());
+$i3->connect->recv;
+
+my $cv = AnyEvent->condvar;
+
+$i3->subscribe({
+ window => sub {
+ my ($event) = @_;
+ $cv->send($event) if $event->{change} eq 'floating';
+ }
+ })->recv;
+
+my $t;
+$t = AnyEvent->timer(
+ after => 0.5,
+ cb => sub {
+ $cv->send(0);
+ }
+);
+
+my $win = open_window();
+
+cmd '[id="' . $win->{id} . '"] floating enable';
+my $e = $cv->recv;
+
+isnt($e, 0, 'floating a container should send an ipc window event');
+is($e->{container}->{window}, $win->{id}, 'the event should contain information about the window');
+is($e->{container}->{floating}, 'user_on', 'the container should be floating');
+
+$cv = AnyEvent->condvar;
+cmd '[id="' . $win->{id} . '"] floating disable';
+my $e = $cv->recv;
+
+isnt($e, 0, 'disabling floating on a container should send an ipc window event');
+is($e->{container}->{window}, $win->{id}, 'the event should contain information about the window');
+is($e->{container}->{floating}, 'user_off', 'the container should not be floating');
+
+done_testing;