libcgroup: libcgroup testcases for cgroup_get_cgroup

From: Sudhir Kumar <skumar@linux.vnet.ibm.com>

This atch adds a new testcase for api cgroup_get_cgroup()
for single mount case.

Signed-off-by: Sudhir Kumar <skumar@linux.vnet.ibm.com>
Signed-off-by: Dhaval Giani <dhaval@linux.vnet.ibm.com>



git-svn-id: https://libcg.svn.sourceforge.net/svnroot/libcg/trunk@282 4f4bb910-9a46-0410-90c8-c897d4f1cd53

2 files changed, 38 insertions, 1 deletions

diff --git a/tests/libcgrouptest.h b/tests/libcgrouptest.h
index de2f67b..73b25e3 100644
--- a/tests/libcgrouptest.h
+++ b/tests/libcgrouptest.h
@@ -84,6 +84,7 @@ void test_cgroup_attach_task(int retcode, struct cgroup *cgroup1,
 /* API test functions end here */
 
 void test_cgroup_compare_cgroup(int ctl1, int ctl2, int i);
+void test_cgroup_get_cgroup(int i);
 void get_controllers(const char *name, int *exist);
 static int group_exist(char *path_group);
 static int set_controller(int controller, char *controller_name,
diff --git a/tests/libcgrouptest01.c b/tests/libcgrouptest01.c
index 5ec0b68..2f71f2f 100644
--- a/tests/libcgrouptest01.c
+++ b/tests/libcgrouptest01.c
@@ -381,8 +381,17 @@ int main(int argc, char *argv[])
 
 		strncpy(extra, "\n", SIZE);
 
+		/* Test14: Test cgroup_get_cgroup() api
+		 * The group group1 has been created and modified in the
+		 * filesystem. Read it using the api and check if the values
+		 * are correct as we know all the control values now.
+		 * WARN: If any of the previous api fails and control reaches
+		 * here, this api also will fail
+		 */
+		test_cgroup_get_cgroup(14);
+
 		/*
-		 * Test14: delete cgroup
+		 * Test15: delete cgroup
 		 * Exp outcome: zero return value
 		 */
 		retval = cgroup_delete_cgroup(cgroup1, 1);
@@ -1366,6 +1375,7 @@ void set_info_msgs()
 		case 15:
 			strncpy(info[k], " Group not deleted globaly\n", SIZE);
 			break;
+		/* In case there is no extra info messages to be printed */
 		case 19:
 			strncpy(info[k], " \n", SIZE);
 			break;
@@ -1450,3 +1460,29 @@ void test_cgroup_compare_cgroup(int ctl1, int ctl2, int i)
 	cgroup_free(&cgroup1);
 	cgroup_free(&cgroup2);
 }
+
+void test_cgroup_get_cgroup(int i)
+{
+	struct cgroup *cgroup_filled;
+	int ret;
+
+	/* Test with nullcgroup first */
+	ret = cgroup_get_cgroup(NULL);
+	if (ret == ECGROUPNOTALLOWED)
+		message(i++, PASS, "get_cgroup()", ret, info[0]);
+	else
+		message(i++, FAIL, "get_cgroup()", ret, info[0]);
+
+	/* Test with name filled cgroup */
+	cgroup_filled = cgroup_new_cgroup("group1");
+	if (!cgroup_filled)
+		message(i++, FAIL, "new_cgroup()", 0, info[19]);
+
+	ret = cgroup_get_cgroup(cgroup_filled);
+	if (!ret)
+		message(i++, PASS, "get_cgroup()", ret, info[19]);
+	else
+		message(i++, FAIL, "get_cgroup()", ret, info[19]);
+
+	cgroup_free(&cgroup_filled);
+}