Rtos API example

Revision:
0:9fca2b23d0ba
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os/TESTS/mbedmicro-mbed/attributes/main.cpp	Sat Feb 23 12:13:36 2019 +0000
@@ -0,0 +1,68 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2017 ARM Limited
+ *
+ * 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 <stdio.h>
+#include <stdint.h>
+
+#include "mbed_toolchain.h"
+#include "greentea-client/test_env.h"
+#include "unity.h"
+#include "utest.h"
+
+using namespace utest::v1;
+
+
+// Test functions declared as C functions to avoid issues with name mangling
+extern "C" {
+    int testPacked();
+    int testAlign();
+    int testUnused();
+    int testWeak();
+    int testPure();
+    int testForceInline();
+    int testNoReturn();
+    int testUnreachable();
+    int testDeprecated();
+}
+
+
+// Test wrapper and test cases for utest
+template <int (*F)()>
+void test_wrapper() {
+    TEST_ASSERT_UNLESS(F());
+}
+
+utest::v1::status_t test_setup(const size_t number_of_cases) {
+    GREENTEA_SETUP(5, "default_auto");
+    return verbose_test_setup_handler(number_of_cases);
+}
+
+Case cases[] = {
+    Case("Testing PACKED attribute",        test_wrapper<testPacked>),
+    Case("Testing ALIGN attribute",         test_wrapper<testAlign>),
+    Case("Testing UNUSED attribute",        test_wrapper<testUnused>),
+    Case("Testing WEAK attribute",          test_wrapper<testWeak>),
+    Case("Testing PURE attribute",          test_wrapper<testPure>),
+    Case("Testing FORCEINLINE attribute",   test_wrapper<testForceInline>),
+    Case("Testing NORETURN attribute",      test_wrapper<testNoReturn>),
+    Case("Testing UNREACHABLE attribute",   test_wrapper<testUnreachable>),
+    Case("Testing DEPRECATED attribute",    test_wrapper<testDeprecated>),
+};
+
+Specification specification(test_setup, cases);
+
+int main() {
+    return !Harness::run(specification);
+}