#include <locale.h> #include <math.h> #include <stdio.h> #include <stdlib.h> static const char *tests[] = { "inf", "Inf", "iNf", "inF", "INf", "iNF", "INF", "InF", "infinity", "Infinity", "InfInity", "INFINITY" }; #define ntests (sizeof (tests) / sizeof (tests[0])) static int do_test (void) { /* The Turkish locale is notorious because tolower() maps 'I' to the dotless lowercase 'i' and toupper() maps 'i' to an 'I' with a dot above. */ if (setlocale (LC_ALL, "tr_TR.UTF-8") == NULL) { puts ("cannot set locale"); return 0; } int res = 0; for (int i = 0; i < ntests; ++i) { char *endp; double d = strtod (tests[i], &endp); if (*endp != '\0') { printf ("did not consume all of '%s'\n", tests[i]); res = 1; } if (!isinf (d)) { printf ("'%s' does not pass isinf\n", tests[i]); res = 1; } } return res; } #define TEST_FUNCTION do_test () #include "../test-skeleton.c"