Import Mbed OS hard-float snapshot

features/frameworks/utest/TESTS/unit_tests/minimal_scheduler/main.cpp

@@ -0,0 +1,122 @@
+
+/* mbed Microcontroller Library
+ * Copyright (c) 2013-2016 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 "mbed.h"
+#include "greentea-client/test_env.h"
+#include "utest/utest.h"
+#include "unity/unity.h"
+
+using namespace utest::v1;
+
+// only one callback is active at any given time
+volatile utest_v1_harness_callback_t minimal_callback;
+
+// Scheduler ----------------------------------------------------------------------------------------------------------
+static int32_t utest_minimal_init()
+{
+    minimal_callback = NULL;
+    return 0;
+}
+static void *utest_minimal_post(const utest_v1_harness_callback_t callback, const uint32_t delay_ms)
+{
+    minimal_callback = callback;
+    // this scheduler does not support scheduling of asynchronous callbacks
+    return (delay_ms ? NULL : (void*)1);
+}
+static int32_t utest_minimal_cancel(void *handle)
+{
+    (void) handle;
+    // this scheduler does not support canceling of asynchronous callbacks
+    return -1;
+}
+static int32_t utest_minimal_run()
+{
+    /* This is the amazing minimal scheduler.
+     * This is just a busy loop that calls the callbacks in this context.
+     * THIS LOOP IS BLOCKING.
+     */
+    while(1)
+    {
+        // check if a new callback has been set
+        if (minimal_callback) {
+            // copy the callback
+            utest_v1_harness_callback_t callback = minimal_callback;
+            // reset the shared callback
+            minimal_callback = NULL;
+            // execute the copied callback
+            callback();
+        }
+    }
+    return 0;
+}
+static const utest_v1_scheduler_t utest_minimal_scheduler =
+{
+    utest_minimal_init,
+    utest_minimal_post,
+    utest_minimal_cancel,
+    utest_minimal_run
+};
+
+// Tests --------------------------------------------------------------------------------------------------------------
+int call_counter(0);
+
+// Basic Test Case ----------------------------------------------------------------------------------------------------
+control_t test_case()
+{
+    static int counter(0);
+    TEST_ASSERT_EQUAL(counter++, call_counter++);
+    return CaseNext;
+}
+
+// Cases --------------------------------------------------------------------------------------------------------------
+Case cases[] = {
+    Case("Minimal Scheduler: Case 1", test_case),
+    Case("Minimal Scheduler: Case 2", test_case),
+    Case("Minimal Scheduler: Case 3", test_case),
+    Case("Minimal Scheduler: Case 4", test_case),
+    Case("Minimal Scheduler: Case 5", test_case),
+    Case("Minimal Scheduler: Case 6", test_case),
+    Case("Minimal Scheduler: Case 7", test_case),
+    Case("Minimal Scheduler: Case 8", test_case)
+};
+
+// Specification: Setup & Teardown ------------------------------------------------------------------------------------
+utest::v1::status_t greentea_setup(const size_t number_of_cases)
+{
+    GREENTEA_SETUP(15, "default_auto");
+    return greentea_test_setup_handler(number_of_cases);
+}
+void greentea_teardown(const size_t passed, const size_t failed, const failure_t failure)
+{
+    TEST_ASSERT_EQUAL(8, call_counter++);
+    TEST_ASSERT_EQUAL(8, passed);
+    TEST_ASSERT_EQUAL(0, failed);
+    TEST_ASSERT_EQUAL(REASON_NONE, failure.reason);
+    TEST_ASSERT_EQUAL(LOCATION_NONE, failure.location);
+    greentea_test_teardown_handler(passed, failed, failure);
+}
+
+Specification specification(greentea_setup, cases, greentea_teardown, selftest_handlers);
+
+int main()
+{
+    // You MUST set the custom scheduler before running the specification.
+    Harness::set_scheduler(utest_minimal_scheduler);
+    // Run the specification only AFTER setting the custom scheduler.
+    Harness::run(specification);
+}