Really add adjtimex(2), and add clock_adjtime(2) too.
Change-Id: I81fde2ec9fdf787bb19a784ad13df92d33a4f852
diff --git a/tests/sys_timex_test.cpp b/tests/sys_timex_test.cpp
new file mode 100644
index 0000000..1340ea4
--- /dev/null
+++ b/tests/sys_timex_test.cpp
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <sys/timex.h>
+
+#include <errno.h>
+
+#include <gtest/gtest.h>
+
+TEST(sys_timex, adjtimex_smoke) {
+ timex t;
+ memset(&t, 0, sizeof(t));
+ // adjtimex/clock_adjtime return the clock state on success, -1 on failure.
+ ASSERT_NE(-1, adjtimex(&t));
+}
+
+TEST(sys_timex, adjtimex_EFAULT) {
+ errno = 0;
+ ASSERT_EQ(-1, adjtimex(nullptr));
+ ASSERT_EQ(EFAULT, errno);
+}
+
+TEST(sys_timex, clock_adjtime_smoke) {
+ timex t;
+ memset(&t, 0, sizeof(t));
+ // adjtimex/clock_adjtime return the clock state on success, -1 on failure.
+ ASSERT_NE(-1, clock_adjtime(CLOCK_REALTIME, &t));
+}
+
+TEST(sys_timex, clock_adjtime_EFAULT) {
+ errno = 0;
+ ASSERT_EQ(-1, clock_adjtime(CLOCK_REALTIME, nullptr));
+ ASSERT_EQ(EFAULT, errno);
+}