#include #include struct test { const char *str; double result; size_t offset; } tests[] = { { "0xy", 0.0, 1 }, { "0x.y", 0.0, 1 }, { "0x0.y", 0.0, 4 }, { "0x.0y", 0.0, 4 }, { ".y", 0.0, 0 }, { "0.y", 0.0, 2 }, { ".0y", 0.0, 2 } }; static int do_test (void) { int status = 0; for (size_t i = 0; i < sizeof (tests) / sizeof (tests[0]); ++i) { char *ep; double r = strtod (tests[i].str, &ep); if (r != tests[i].result) { printf ("test %zu r = %g, expect %g\n", i, r, tests[i].result); status = 1; } if (ep != tests[i].str + tests[i].offset) { printf ("test %zu strtod parsed %tu characters, expected %zu\n", i, ep - tests[i].str, tests[i].offset); status = 1; } } return status; } #define TEST_FUNCTION do_test () #include "../test-skeleton.c"