Added new Unit Tests - General pool to cover common functionality and check if UT framework is working. This test pool can be extended with new tests

libraries/tests/mbed/div/main.cpp

@@ -17,7 +17,6 @@ const char *result_str(bool result) {
 }
 
 int main() {
-    DigitalOut led(LED1);
     bool result = true;
 
     {   // 0xFFFFFFFF *  8 =  0x7fffffff8

libraries/tests/utest/basic/basic.cpp

@@ -9,5 +9,5 @@ TEST(FirstTestGroup, FirstTest)
     /* These checks are here to make sure assertions outside test runs don't crash */
     CHECK(true);
     LONGS_EQUAL(1, 1);
-    STRCMP_EQUAL("Mbed SDK!", "Mbed SDK!");
+    STRCMP_EQUAL("mbed SDK!", "mbed SDK!");
 }

libraries/tests/utest/general/general.cpp

@@ -0,0 +1,90 @@
+#include "CppUTest/TestHarness.h"
+#include <utility>
+#include "mbed.h"
+
+TEST_GROUP(Integer_Constant_Division)
+{
+    uint32_t test_64(uint64_t ticks) {
+        ticks >>= 3; // divide by 8
+        if (ticks > 0xFFFFFFFF) {
+            ticks /= 3;
+        } else {
+            ticks = (ticks * 0x55555556) >> 32; // divide by 3
+        }
+        return (uint32_t)(0xFFFFFFFF & ticks);
+    }
+};
+
+// 0xFFFFFFFF *  8 =  0x7fffffff8
+TEST(Integer_Constant_Division, Multiply_By_8)
+{
+    std::pair<uint32_t, uint64_t> values = std::make_pair(0x55555555, 0x7FFFFFFF8);
+    uint32_t test_ret = test_64(values.second);
+    CHECK_EQUAL(values.first, test_ret);
+}
+
+// 0xFFFFFFFF * 24 = 0x17ffffffe8
+TEST(Integer_Constant_Division, Multiply_By_24)
+{
+    std::pair<uint32_t, uint64_t> values = std::make_pair(0xFFFFFFFF, 0x17FFFFFFE8);
+    uint32_t test_ret = test_64(values.second);
+    CHECK_EQUAL(values.first, test_ret);
+}
+
+TEST_GROUP(RTC_Test)
+{
+    char buffer[32];
+    const int CUSTOM_TIME = 1256729737;
+};
+
+TEST(RTC_Test, Check_Set_Time)
+{
+    set_time(CUSTOM_TIME);  // Set RTC time to Wed, 28 Oct 2009 11:35:37
+    time_t seconds = time(NULL);
+    strftime(buffer, 32, "%Y-%m-%d %H:%M:%S %p", localtime(&seconds));
+    STRCMP_EQUAL(buffer, "2009-10-28 11:35:37 AM");
+}
+
+TEST_GROUP(C_String_Format)
+{
+    char buffer[256];
+};
+
+#define POSITIVE_INTEGERS 32768,3214,999,100,1,0,1,4231,999,4123,32760,99999
+TEST(C_String_Format, Sprintf_Positive_Integers)
+{
+    sprintf(buffer, "%u %d %u %d %u %d %u %d %u %d %u %d", POSITIVE_INTEGERS);
+    STRCMP_EQUAL(buffer, "32768 3214 999 100 1 0 1 4231 999 4123 32760 99999");
+}
+
+#define NEGATIVE_INTEGERS -32768,-3214,-999,-100,-1,0,-1,-4231,-999,-4123,-32760,-99999
+TEST(C_String_Format, Sprintf_Negative_Integers)
+{
+    sprintf(buffer, "%i %d %i %d %i %d %i %d %i %d %i %i", NEGATIVE_INTEGERS);
+    STRCMP_EQUAL(buffer, "-32768 -3214 -999 -100 -1 0 -1 -4231 -999 -4123 -32760 -99999");
+}
+
+#ifdef DEVICE_SEMIHOST
+#include "semihost_api.h"
+
+TEST_GROUP(Device_Semihost)
+{
+    char uid[48];
+};
+
+TEST(Device_Semihost, semihost_connected)
+{
+    CHECK(semihost_connected());
+}
+
+TEST(Device_Semihost, mbed_interface_connected)
+{
+    CHECK(mbed_interface_connected());
+}
+
+TEST(Device_Semihost, mbed_interface_uid)
+{
+    CHECK_EQUAL(mbed_interface_uid(uid), 0);
+}
+
+#endif

workspace_tools/tests.py

@@ -882,6 +882,12 @@ TESTS = [
         "automated": False,
         "mcu": ["LPC1768", "LPC2368", "LPC11U24"]
     },
+    {
+        "id": "UT_3", "description": "General tests",
+        "source_dir": join(TEST_DIR, "utest", "general"),
+        "dependencies": [MBED_LIBRARIES, TEST_MBED_LIB, CPPUTEST_LIBRARY],
+        "automated": False,
+    },
 
     # Tests used for target information purposes
     {