Add test cases for P-FP priorities

Make sure out-of-range priorities
are always rejected.

1 files changed, 51 insertions, 0 deletions

diff --git a/tests/core_api.c b/tests/core_api.c
index 7f7a099..33c6217 100644
--- a/tests/core_api.c
+++ b/tests/core_api.c
@@ -21,6 +21,7 @@ TESTCASE(set_rt_task_param_invalid_params, ALL,
         params.cpu        = 0;
         params.period     = 100;
         params.phase      = 0;
+        params.priority   = LITMUS_LOWEST_PRIORITY;
         params.cls        = RT_CLASS_HARD;
         params.budget_policy = NO_ENFORCEMENT;
 
@@ -42,6 +43,56 @@ TESTCASE(set_rt_task_param_invalid_params, ALL,
         SYSCALL( set_rt_task_param(gettid(), &params) );
 }
 
+TESTCASE(reject_bad_priorities, P_FP,
+         "reject invalid priorities")
+{
+        struct rt_task params;
+        params.cpu        = 0;
+        params.exec_cost  =  10;
+        params.period     = 100;
+        params.phase      = 0;
+        params.cls        = RT_CLASS_HARD;
+        params.budget_policy = NO_ENFORCEMENT;
+
+        SYSCALL( be_migrate_to(params.cpu) );
+
+        /* too high */
+        params.priority   = 0;
+        SYSCALL( set_rt_task_param(gettid(), &params) );
+        SYSCALL_FAILS( EINVAL, task_mode(LITMUS_RT_TASK) );
+
+        /* too low */
+        params.priority   = LITMUS_MAX_PRIORITY;
+        SYSCALL( set_rt_task_param(gettid(), &params) );
+        SYSCALL_FAILS( EINVAL, task_mode(LITMUS_RT_TASK) );
+
+}
+
+TESTCASE(accept_valid_priorities, P_FP,
+         "accept lowest and highest valid priorities")
+{
+        struct rt_task params;
+        params.cpu        = 0;
+        params.exec_cost  =  10;
+        params.period     = 100;
+        params.phase      = 0;
+        params.cls        = RT_CLASS_HARD;
+        params.budget_policy = NO_ENFORCEMENT;
+
+        SYSCALL( be_migrate_to(params.cpu) );
+
+        /* acceptable */
+        params.priority   = LITMUS_LOWEST_PRIORITY;
+        SYSCALL( set_rt_task_param(gettid(), &params) );
+        SYSCALL( task_mode(LITMUS_RT_TASK) );
+        SYSCALL( task_mode(BACKGROUND_TASK) );
+
+        params.priority   = LITMUS_HIGHEST_PRIORITY;
+        SYSCALL( set_rt_task_param(gettid(), &params) );
+        SYSCALL( task_mode(LITMUS_RT_TASK) );
+        SYSCALL( task_mode(BACKGROUND_TASK) );
+}
+
 TESTCASE(job_control_non_rt, ALL,
          "reject job control for non-rt tasks")
 {