1 files changed, 13 insertions, 3 deletions
diff --git a/xt/flock_lock.t b/xt/flock_lock.t
index f4df863..2e08724 100644
--- a/xt/flock_lock.t
+++ b/xt/flock_lock.t
@@ -11,19 +11,29 @@ my $mutex = MCE::Mutex->new( impl => 'Flock' );
 
 is($mutex->impl(), 'Flock', 'implementation name');
 
-sub task {
+sub task1 {
     $mutex->lock_exclusive;
     sleep 1;
     $mutex->unlock;
 }
+sub task2 {
+    my $guard = $mutex->guard_lock;
+    sleep 1;
+}
+
 sub spawn {
+    my ($i) = @_;
     my $pid = fork;
-    task(), exit() if $pid == 0;
+    if ($pid == 0) {
+        task1() if ($i % 2 != 0);
+        task2() if ($i % 2 == 0);
+        exit();
+    }
     return $pid;
 }
 
 my $start = time;
-my @pids  = map { spawn() } 1..4;
+my @pids  = map { spawn($_) } 1..4;
 
 waitpid($_, 0) for @pids;