[utest]: Allow the linker to remove any part of utest if not used

TESTS/storage_abstraction/basicAPI/basicAPI.cpp

@@ -135,7 +135,7 @@ control_t test_initialize(const size_t call_count)
     TEST_ASSERT(rc >= ARM_DRIVER_OK);
     if (rc == ARM_DRIVER_OK) {
         TEST_ASSERT_EQUAL(1, capabilities.asynchronous_ops);
-        return (call_count < REPEAT_INSTANCES) ? (CaseTimeout(200) + CaseRepeatAll) : CaseNext;
+        return (call_count < REPEAT_INSTANCES) ? (CaseTimeout(200) + CaseRepeatAll) : (control_t) CaseNext;
     }
 
     TEST_ASSERT(rc == 1);

features/frameworks/utest/source/utest_default_handlers.cpp

@@ -34,6 +34,7 @@ const handlers_t utest::v1::verbose_continue_handlers = {
     verbose_case_failure_handler
 };
 
+const handlers_t& utest::v1::default_handlers = greentea_abort_handlers;
 
 // --- SPECIAL HANDLERS ---
 static void test_failure_handler(const failure_t failure) {

features/frameworks/utest/source/utest_harness.cpp

@@ -36,7 +36,7 @@ namespace
 
     const Case *case_current = NULL;
     size_t case_index = 0;
-    control_t case_control = control_t(REPEAT_SETUP_TEARDOWN);
+    base_control_t case_control =  { REPEAT_SETUP_TEARDOWN, TIMEOUT_UNDECLR };
     size_t case_repeat_count = 1;
 
     void *case_timeout_handle = NULL;
@@ -47,8 +47,13 @@ namespace
     size_t case_failed = 0;
     size_t case_failed_before = 0;
 
-    handlers_t defaults = default_handlers;
-    handlers_t handlers = defaults;
+    struct DefaultHandlers : public handlers_t { 
+        DefaultHandlers() : handlers_t(default_handlers) { }
+        DefaultHandlers(const handlers_t& other) : handlers_t(other) { }
+    };
+
+    SingletonPtr<DefaultHandlers> defaults;
+    SingletonPtr<DefaultHandlers> handlers;
 
     location_t location = LOCATION_UNKNOWN;
 
@@ -110,10 +115,10 @@ bool Harness::run(const Specification& specification)
         return false;
     test_cases  = specification.cases;
     test_length = specification.length;
-    defaults    = specification.defaults;
-    handlers.test_setup    = defaults.get_handler(specification.setup_handler);
-    handlers.test_teardown = defaults.get_handler(specification.teardown_handler);
-    handlers.test_failure  = defaults.get_handler(specification.failure_handler);
+    *defaults.get()    = specification.defaults;
+    handlers->test_setup    = defaults->get_handler(specification.setup_handler);
+    handlers->test_teardown = defaults->get_handler(specification.teardown_handler);
+    handlers->test_failure  = defaults->get_handler(specification.failure_handler);
 
     test_index_of_case = 0;
     test_passed = 0;
@@ -127,16 +132,16 @@ bool Harness::run(const Specification& specification)
     int setup_status = 0;
     failure_t failure(REASON_NONE, location);
 
-    if (handlers.test_setup) {
-        setup_status = handlers.test_setup(test_length);
+    if (handlers->test_setup) {
+        setup_status = handlers->test_setup(test_length);
         if (setup_status == STATUS_CONTINUE) setup_status = 0;
         else if (setup_status < STATUS_CONTINUE)     failure.reason = REASON_TEST_SETUP;
         else if (setup_status > signed(test_length)) failure.reason = REASON_CASE_INDEX;
     }
 
     if (failure.reason != REASON_NONE) {
-        if (handlers.test_failure) handlers.test_failure(failure);
-        if (handlers.test_teardown) handlers.test_teardown(0, 0, failure);
+        if (handlers->test_failure) handlers->test_failure(failure);
+        if (handlers->test_teardown) handlers->test_teardown(0, 0, failure);
         test_cases = NULL;
         exit(1);
         return true;
@@ -150,8 +155,8 @@ bool Harness::run(const Specification& specification)
     scheduler.post(run_next_case, 0);
     if (scheduler.run() != 0) {
         failure.reason = REASON_SCHEDULER;
-        if (handlers.test_failure) handlers.test_failure(failure);
-        if (handlers.test_teardown) handlers.test_teardown(0, 0, failure);
+        if (handlers->test_failure) handlers->test_failure(failure);
+        if (handlers->test_teardown) handlers->test_teardown(0, 0, failure);
         test_cases = NULL;
         exit(1);
         return true;
@@ -167,8 +172,8 @@ void Harness::raise_failure(const failure_reason_t reason)
     if (test_cases == NULL) return;
 
     utest::v1::status_t fail_status = STATUS_ABORT;
-    if (handlers.test_failure) handlers.test_failure(failure_t(reason, location));
-    if (handlers.case_failure) fail_status = handlers.case_failure(case_current, failure_t(reason, location));
+    if (handlers->test_failure) handlers->test_failure(failure_t(reason, location));
+    if (handlers->case_failure) fail_status = handlers->case_failure(case_current, failure_t(reason, location));
 
     {
         UTEST_ENTER_CRITICAL_SECTION;
@@ -184,25 +189,25 @@ void Harness::raise_failure(const failure_reason_t reason)
     }
 
     if (fail_status == STATUS_ABORT || reason & REASON_CASE_SETUP) {
-        if (handlers.case_teardown && location != LOCATION_CASE_TEARDOWN) {
+        if (handlers->case_teardown && location != LOCATION_CASE_TEARDOWN) {
             location_t fail_loc(location);
             location = LOCATION_CASE_TEARDOWN;
 
-            utest::v1::status_t teardown_status = handlers.case_teardown(case_current, case_passed, case_failed, failure_t(reason, fail_loc));
+            utest::v1::status_t teardown_status = handlers->case_teardown(case_current, case_passed, case_failed, failure_t(reason, fail_loc));
             if (teardown_status < STATUS_CONTINUE) raise_failure(REASON_CASE_TEARDOWN);
             else if (teardown_status > signed(test_length)) raise_failure(REASON_CASE_INDEX);
             else if (teardown_status >= 0) case_index = teardown_status - 1;
 
             // Restore case failure location once we have dealt with case teardown
             location = fail_loc;
-            handlers.case_teardown = NULL;
+            handlers->case_teardown = NULL;
         }
     }
     if (fail_status == STATUS_ABORT) {
         test_failed++;
         failure_t fail(reason, location);
         location = LOCATION_TEST_TEARDOWN;
-        if (handlers.test_teardown) handlers.test_teardown(test_passed, test_failed, fail);
+        if (handlers->test_teardown) handlers->test_teardown(test_passed, test_failed, fail);
         exit(test_failed);
         die();
     }
@@ -218,8 +223,8 @@ void Harness::schedule_next_case()
     if (case_control.repeat & REPEAT_SETUP_TEARDOWN || !(case_control.repeat & (REPEAT_ON_TIMEOUT | REPEAT_ON_VALIDATE))) {
         location = LOCATION_CASE_TEARDOWN;
 
-        if (handlers.case_teardown) {
-            utest::v1::status_t status = handlers.case_teardown(case_current, case_passed, case_failed,
+        if (handlers->case_teardown) {
+            utest::v1::status_t status = handlers->case_teardown(case_current, case_passed, case_failed,
                                                      case_failed ? failure_t(REASON_CASES, LOCATION_UNKNOWN) : failure_t(REASON_NONE));
             if (status < STATUS_CONTINUE)          raise_failure(REASON_CASE_TEARDOWN);
             else if (status > signed(test_length)) raise_failure(REASON_CASE_INDEX);
@@ -298,9 +303,9 @@ void Harness::run_next_case()
     UTEST_LOG_FUNCTION();
     if(case_current < (test_cases + test_length))
     {
-        handlers.case_setup    = defaults.get_handler(case_current->setup_handler);
-        handlers.case_teardown = defaults.get_handler(case_current->teardown_handler);
-        handlers.case_failure  = defaults.get_handler(case_current->failure_handler);
+        handlers->case_setup    = defaults->get_handler(case_current->setup_handler);
+        handlers->case_teardown = defaults->get_handler(case_current->teardown_handler);
+        handlers->case_failure  = defaults->get_handler(case_current->failure_handler);
 
         if (case_current->is_empty()) {
             location = LOCATION_UNKNOWN;
@@ -321,7 +326,7 @@ void Harness::run_next_case()
 
         if (setup_repeat & REPEAT_SETUP_TEARDOWN) {
             location = LOCATION_CASE_SETUP;
-            if (handlers.case_setup && (handlers.case_setup(case_current, test_index_of_case) != STATUS_CONTINUE)) {
+            if (handlers->case_setup && (handlers->case_setup(case_current, test_index_of_case) != STATUS_CONTINUE)) {
                 raise_failure(REASON_CASE_SETUP);
                 schedule_next_case();
                 return;
@@ -361,9 +366,9 @@ void Harness::run_next_case()
             UTEST_LEAVE_CRITICAL_SECTION;
         }
     }
-    else if (handlers.test_teardown) {
+    else if (handlers->test_teardown) {
         location = LOCATION_TEST_TEARDOWN;
-        handlers.test_teardown(test_passed, test_failed, test_failed ? failure_t(REASON_CASES, LOCATION_UNKNOWN) : failure_t(REASON_NONE));
+        handlers->test_teardown(test_passed, test_failed, test_failed ? failure_t(REASON_CASES, LOCATION_UNKNOWN) : failure_t(REASON_NONE));
         test_cases = NULL;
         exit(test_failed);
     } else {

features/frameworks/utest/source/utest_shim.cpp

@@ -66,7 +66,7 @@ static volatile utest_v1_harness_callback_t minimal_callback;
 static volatile utest_v1_harness_callback_t ticker_callback;
 
 // Timeout object used to control the scheduling of test case callbacks
-Timeout utest_timeout_object;
+SingletonPtr<Timeout> utest_timeout_object;
 
 static void ticker_handler()
 {
@@ -77,7 +77,9 @@ static void ticker_handler()
 static int32_t utest_us_ticker_init()
 {
     UTEST_LOG_FUNCTION();
-    // Ticker scheduler does not require any initialisation so return immediately
+    // initialize the Timeout object to makes sure it is not initialized in 
+    // interrupt context.
+    utest_timeout_object.get();
     return 0;
 }
 static void *utest_us_ticker_post(const utest_v1_harness_callback_t callback, timestamp_t delay_ms)
@@ -88,7 +90,7 @@ static void *utest_us_ticker_post(const utest_v1_harness_callback_t callback, ti
     if (delay_ms) {
         ticker_callback = callback;
         // fire the interrupt in 1000us * delay_ms
-        utest_timeout_object.attach_us(ticker_handler, delay_us);
+        utest_timeout_object->attach_us(ticker_handler, delay_us);
 
     } 
     else {
@@ -102,7 +104,7 @@ static int32_t utest_us_ticker_cancel(void *handle)
 {
     UTEST_LOG_FUNCTION();
     (void) handle;
-    utest_timeout_object.detach();
+    utest_timeout_object->detach();
     return 0;
 }
 static int32_t utest_us_ticker_run()

features/frameworks/utest/source/utest_types.cpp

@@ -114,3 +114,22 @@ const char* utest::v1::stringify(utest::v1::status_t status)
     }
     return "Unknown Status";
 }
+
+
+const utest::v1::base_control_t utest::v1::CaseNext = { REPEAT_NONE, TIMEOUT_NONE };
+
+const utest::v1::base_control_t utest::v1::CaseNoRepeat = { REPEAT_NONE, TIMEOUT_UNDECLR };
+
+const utest::v1::base_control_t utest::v1::CaseRepeatAll = { REPEAT_ALL, TIMEOUT_UNDECLR };
+
+const utest::v1::base_control_t utest::v1::CaseRepeatHandler = { REPEAT_HANDLER, TIMEOUT_UNDECLR };
+
+const utest::v1::base_control_t utest::v1::CaseNoTimeout = { REPEAT_UNDECLR, TIMEOUT_NONE };
+
+const utest::v1::base_control_t utest::v1::CaseAwait = { REPEAT_UNDECLR, TIMEOUT_FOREVER };
+
+// equal to CaeReapeatAll
+const utest::v1::base_control_t utest::v1::CaseRepeat = { REPEAT_ALL, TIMEOUT_UNDECLR };
+
+// equal to CaseRepeatHandler
+const utest::v1::base_control_t utest::v1::CaseRepeatHandlerOnly = { REPEAT_HANDLER, TIMEOUT_UNDECLR };

features/frameworks/utest/utest/utest_default_handlers.h

@@ -185,7 +185,7 @@ namespace v1 {
     extern const handlers_t selftest_handlers;
 
     /// The greentea aborting handlers are the default
-    const handlers_t default_handlers = greentea_abort_handlers;
+    extern const handlers_t& default_handlers;
 
 }   // namespace v1
 }   // namespace utest

features/frameworks/utest/utest/utest_types.h

@@ -120,6 +120,23 @@ namespace v1 {
     /// Stringifies a status.
     const char* stringify(utest::v1::status_t status);
 
+    /** POD version of the class control_t.
+     * It is used to instantiate const control_t objects as PODs
+     * and prevent them to be included in the final binary.
+     * @note: control_pod_t can be converted to control_t by copy construction.
+     */
+    struct base_control_t {
+        repeat_t repeat;
+        uint32_t timeout;
+
+        repeat_t inline get_repeat() const {
+            return repeat;
+        }
+        uint32_t inline get_timeout() const {
+            return timeout;
+        }
+    };
+
     /** Control class for specifying test case attributes
      *
      * This class encapsulated control information about test cases which, when returned from
@@ -148,24 +165,26 @@ namespace v1 {
      *
      * In the future, more control information may be added transparently and backwards compatible.
      */
-    struct control_t
+    struct control_t : private base_control_t
     {
-        control_t() : repeat(REPEAT_UNDECLR), timeout(TIMEOUT_UNDECLR) {}
+        control_t() : base_control_t(make_base_control_t(REPEAT_UNDECLR, TIMEOUT_UNDECLR)) {}
 
         control_t(repeat_t repeat, uint32_t timeout_ms) :
-            repeat(repeat), timeout(timeout_ms) {}
+            base_control_t(make_base_control_t(repeat, timeout_ms)) {}
 
         control_t(repeat_t repeat) :
-            repeat(repeat), timeout(TIMEOUT_UNDECLR) {}
+            base_control_t(make_base_control_t(repeat, TIMEOUT_UNDECLR)) {}
 
         control_t(uint32_t timeout_ms) :
-            repeat(REPEAT_UNDECLR), timeout(timeout_ms) {}
+            base_control_t(make_base_control_t(REPEAT_UNDECLR, timeout_ms)) {}
 
-        control_t
-        inline operator+(const control_t& rhs) const {
+        control_t(const base_control_t& other) :
+            base_control_t(other) {}
+
+        friend control_t operator+(const control_t& lhs, const control_t& rhs) {
             control_t result(
-                repeat_t(this->repeat | rhs.repeat),
-                (rhs.timeout == TIMEOUT_NONE) ? rhs.timeout : this->timeout);
+                repeat_t(lhs.repeat | rhs.repeat),
+                (rhs.timeout == TIMEOUT_NONE) ? rhs.timeout : lhs.timeout);
 
             if (result.timeout != TIMEOUT_NONE && result.timeout > rhs.timeout) {
                 result.timeout = rhs.timeout;
@@ -196,25 +215,46 @@ namespace v1 {
         }
 
     private:
-        repeat_t repeat;
-        uint32_t timeout;
+        static base_control_t make_base_control_t(repeat_t repeat, uint32_t timeout) {
+            base_control_t result = {
+                repeat,
+                timeout
+            };
+            return result;
+        }
+
         friend class Harness;
     };
 
+    /// @see operator+ in control_t
+    inline control_t operator+(const base_control_t& lhs, const base_control_t& rhs) {
+        return control_t(lhs) + control_t(rhs);
+    }
+
+    /// @see operator+ in control_t
+    inline control_t operator+(const base_control_t& lhs, const control_t& rhs) {
+        return control_t(lhs) + rhs;
+    }
+
+    /// @see operator+ in control_t
+    inline control_t operator+(const control_t& lhs, const base_control_t& rhs) {
+        return lhs + control_t(rhs);
+    }
+
     /// does not repeat this test case and immediately moves on to the next one without timeout
-    const  control_t CaseNext(REPEAT_NONE, TIMEOUT_NONE);
+    extern const  base_control_t CaseNext;
 
     /// does not repeat this test case, moves on to the next one
-    const  control_t CaseNoRepeat(REPEAT_NONE);
+    extern const  base_control_t CaseNoRepeat;
     /// repeats the test case handler with calling teardown and setup handlers
-    const  control_t CaseRepeatAll(REPEAT_ALL);
+    extern const  base_control_t CaseRepeatAll;
     /// repeats only the test case handler without calling teardown and setup handlers
-    const  control_t CaseRepeatHandler(REPEAT_HANDLER);
+    extern const  base_control_t CaseRepeatHandler;
 
     /// No timeout, immediately moves on to the next case, but allows repeats
-    const  control_t CaseNoTimeout(TIMEOUT_NONE);
+    extern const  base_control_t CaseNoTimeout;
     /// Awaits until the callback is validated and never times out. Use with caution!
-    const  control_t CaseAwait(TIMEOUT_FOREVER);
+    extern const  base_control_t CaseAwait;
     /// Alias class for asynchronous timeout control in milliseconds
     inline control_t CaseTimeout(uint32_t ms) { return ms; }
 
@@ -341,8 +381,11 @@ namespace v1 {
 
 
     // deprecations
-    __deprecated_message("Use CaseRepeatAll instead.")     const control_t CaseRepeat            = CaseRepeatAll;
-    __deprecated_message("Use CaseRepeatHandler instead.") const control_t CaseRepeatHandlerOnly = CaseRepeatHandler;
+    __deprecated_message("Use CaseRepeatAll instead.")
+    extern const base_control_t CaseRepeat;
+
+    __deprecated_message("Use CaseRepeatHandler instead.")
+    extern const base_control_t CaseRepeatHandlerOnly;
 
     __deprecated_message("Use REASON_NONE instead.")          const failure_reason_t FAILURE_NONE       = REASON_NONE;
     __deprecated_message("Use REASON_UNKNOWN instead.")       const failure_reason_t FAILURE_UNKNOWN    = REASON_UNKNOWN;