Testcase: create DPCP lock with invalid CPU parameter

1 files changed, 17 insertions, 0 deletions

diff --git a/tests/pcp.c b/tests/pcp.c
index 19b2ea6..9cafd27 100644
--- a/tests/pcp.c
+++ b/tests/pcp.c
@@ -275,6 +275,23 @@ TESTCASE(lock_dpcp, P_FP,
         SYSCALL( remove(".pcp_locks") );
 }
 
+TESTCASE(dpcp_bad_cpu, P_FP,
+         "DPCP reject bad CPU parameter")
+{
+        int fd, cpu = 0xbadca5e;
+
+        SYSCALL( fd = open(".pcp_locks", O_RDONLY | O_CREAT, S_IRUSR) );
+
+        SYSCALL( sporadic_partitioned(ms2ns(10), ms2ns(100), 0) );
+        SYSCALL( task_mode(LITMUS_RT_TASK) );
+
+        SYSCALL_FAILS(EINVAL, open_dpcp_sem(fd, 0, cpu) );
+
+        SYSCALL( close(fd) );
+
+        SYSCALL( remove(".pcp_locks") );
+}
+
 TESTCASE(lock_dpcp_pcp, P_FP,
          "DPCP-PCP interleaved priority")
 {