tool/mbed/mbed-sdk/libraries/tests/utest/general/general.cpp

   1 #include "TestHarness.h"
   2 #include <utility>
   3 #include "mbed.h"
   4
   5 TEST_GROUP(Integer_Constant_Division)
   6 {
   7     uint32_t test_64(uint64_t ticks) {
   8         ticks >>= 3; // divide by 8
   9         if (ticks > 0xFFFFFFFF) {
  10             ticks /= 3;
  11         } else {
  12             ticks = (ticks * 0x55555556) >> 32; // divide by 3
  13         }
  14         return (uint32_t)(0xFFFFFFFF & ticks);
  15     }
  16 };
  17
  18 // 0xFFFFFFFF *  8 =  0x7fffffff8
  19 TEST(Integer_Constant_Division, Divide_By_8)
  20 {
  21     std::pair<uint32_t, uint64_t> values = std::make_pair(0x55555555, 0x7FFFFFFF8);
  22     uint32_t test_ret = test_64(values.second);
  23     CHECK_EQUAL(values.first, test_ret);
  24 }
  25
  26 // 0xFFFFFFFF * 24 = 0x17ffffffe8
  27 TEST(Integer_Constant_Division, Divide_By_24)
  28 {
  29     std::pair<uint32_t, uint64_t> values = std::make_pair(0xFFFFFFFF, 0x17FFFFFFE8);
  30     uint32_t test_ret = test_64(values.second);
  31     CHECK_EQUAL(values.first, test_ret);
  32 }
  33
  34 TEST_GROUP(RTC_Test)
  35 {
  36     char buffer[32];
  37     const int CUSTOM_TIME = 1256729737;
  38 };
  39
  40 TEST(RTC_Test, Check_Set_Time)
  41 {
  42     set_time(CUSTOM_TIME);  // Set RTC time to Wed, 28 Oct 2009 11:35:37
  43     time_t seconds = time(NULL);
  44     strftime(buffer, 32, "%Y-%m-%d %H:%M:%S %p", localtime(&seconds));
  45     STRCMP_EQUAL(buffer, "2009-10-28 11:35:37 AM");
  46 }
  47
  48 TEST_GROUP(C_String_Format)
  49 {
  50     char buffer[256];
  51 };
  52
  53 #define POSITIVE_INTEGERS 32768,3214,999,100,1,0,1,4231,999,4123,32760,99999
  54 TEST(C_String_Format, Sprintf_Positive_Integers)
  55 {
  56     sprintf(buffer, "%u %d %u %d %u %d %u %d %u %d %u %d", POSITIVE_INTEGERS);
  57     STRCMP_EQUAL(buffer, "32768 3214 999 100 1 0 1 4231 999 4123 32760 99999");
  58 }
  59
  60 #define NEGATIVE_INTEGERS -32768,-3214,-999,-100,-1,0,-1,-4231,-999,-4123,-32760,-99999
  61 TEST(C_String_Format, Sprintf_Negative_Integers)
  62 {
  63     sprintf(buffer, "%i %d %i %d %i %d %i %d %i %d %i %i", NEGATIVE_INTEGERS);
  64     STRCMP_EQUAL(buffer, "-32768 -3214 -999 -100 -1 0 -1 -4231 -999 -4123 -32760 -99999");
  65 }
  66
  67 #ifdef DEVICE_SEMIHOST
  68 #include "semihost_api.h"
  69
  70 TEST_GROUP(Device_Semihost)
  71 {
  72     char uid[48];
  73 };
  74
  75 TEST(Device_Semihost, semihost_connected)
  76 {
  77     CHECK(semihost_connected());
  78 }
  79
  80 TEST(Device_Semihost, mbed_interface_connected)
  81 {
  82     CHECK(mbed_interface_connected());
  83 }
  84
  85 TEST(Device_Semihost, mbed_interface_uid)
  86 {
  87     CHECK_EQUAL(mbed_interface_uid(uid), 0);
  88 }
  89
  90 #endif