1  #include <stdio.h>
       2  #include <stdlib.h>
       3  
       4  struct test
       5  {
       6    const char *str;
       7    double result;
       8    size_t offset;
       9  } tests[] =
      10  {
      11    { "0xy", 0.0, 1 },
      12    { "0x.y", 0.0, 1 },
      13    { "0x0.y", 0.0, 4 },
      14    { "0x.0y", 0.0, 4 },
      15    { ".y", 0.0, 0 },
      16    { "0.y", 0.0, 2 },
      17    { ".0y", 0.0, 2 }
      18  };
      19  
      20  static int
      21  do_test (void)
      22  {
      23    int status = 0;
      24    for (size_t i = 0; i < sizeof (tests) / sizeof (tests[0]); ++i)
      25      {
      26        char *ep;
      27        double r = strtod (tests[i].str, &ep);
      28        if (r != tests[i].result)
      29  	{
      30  	  printf ("test %zu r = %g, expect %g\n", i, r, tests[i].result);
      31  	  status = 1;
      32  	}
      33        if (ep != tests[i].str + tests[i].offset)
      34  	{
      35  	  printf ("test %zu strtod parsed %tu characters, expected %zu\n",
      36  		  i, ep - tests[i].str, tests[i].offset);
      37  	  status = 1;
      38  	}
      39      }
      40    return status;
      41  }
      42  
      43  #define TEST_FUNCTION do_test ()
      44  #include "../test-skeleton.c"