tmk_core/tool/mbed/mbed-sdk/libraries/tests/mbed/file/main.cpp

   1 #include "test_env.h"
   2 #include "semihost_api.h"
   3
   4 Serial pc(USBTX, USBRX);
   5
   6 #define FILENAME      "/local/out.txt"
   7 #define TEST_STRING   "Hello World!"
   8
   9 FILE *test_open(const char *mode) {
  10     FILE *f = fopen(FILENAME, mode);
  11     if (f == NULL) {
  12         printf("Error opening file"NL);
  13         notify_completion(false);
  14     }
  15     return f;
  16 }
  17
  18 void test_write(FILE *f, char *str, int str_len) {
  19     int n = fprintf(f, str);
  20
  21     if (n != str_len) {
  22         printf("Error writing file"NL);
  23         notify_completion(false);
  24     }
  25 }
  26
  27 void test_read(FILE *f, char *str, int str_len) {
  28     int n = fread(str, sizeof(unsigned char), str_len, f);
  29
  30     if (n != str_len) {
  31         printf("Error reading file"NL);
  32         notify_completion(false);
  33     }
  34 }
  35
  36 void test_close(FILE *f) {
  37     int rc = fclose(f);
  38
  39     if (rc != 0) {
  40         printf("Error closing file"NL);
  41         notify_completion(false);
  42     }
  43 }
  44
  45 int main() {
  46     MBED_HOSTTEST_TIMEOUT(20);
  47     MBED_HOSTTEST_SELECT(default_auto);
  48     MBED_HOSTTEST_DESCRIPTION(Semihost file system);
  49     MBED_HOSTTEST_START("MBED_A2");
  50
  51     pc.printf("Test the Stream class\n");
  52
  53     printf("connected: %s\n", (semihost_connected()) ? ("Yes") : ("No"));
  54
  55     char mac[16];
  56     mbed_mac_address(mac);
  57     printf("mac address: %02x,%02x,%02x,%02x,%02x,%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
  58
  59     LocalFileSystem local("local");
  60
  61     FILE *f;
  62     char *str = TEST_STRING;
  63     char *buffer = (char *)malloc(sizeof(unsigned char) * strlen(TEST_STRING));
  64     int str_len = strlen(TEST_STRING);
  65
  66     // Write
  67     f = test_open("w");
  68     test_write(f, str, str_len);
  69     test_close(f);
  70
  71     // Read
  72     f = test_open("r");
  73     test_read(f, buffer, str_len);
  74     test_close(f);
  75
  76     // Check the two strings are equal
  77     MBED_HOSTTEST_RESULT((strncmp(buffer, str, str_len) == 0));
  78 }