diff options
Diffstat (limited to 'stdlib/tst-strtod2.c')
| -rw-r--r-- | stdlib/tst-strtod2.c | 41 |
1 files changed, 30 insertions, 11 deletions
diff --git a/stdlib/tst-strtod2.c b/stdlib/tst-strtod2.c index 925ea9cafa..30d8d9df65 100644 --- a/stdlib/tst-strtod2.c +++ b/stdlib/tst-strtod2.c @@ -1,22 +1,41 @@ #include <stdio.h> #include <stdlib.h> +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; - const char s[] = "0x"; - char *ep; - double r = strtod (s, &ep); - if (r != 0) - { - printf ("r = %g, expect 0\n", r); - status = 1; - } - if (ep != s + 1) + for (size_t i = 0; i < sizeof (tests) / sizeof (tests[0]); ++i) { - printf ("strtod parsed %ju characters, expected 1\n", ep - s); - status = 1; + 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 %ju characters, expected %zu\n", + i, ep - tests[i].str, tests[i].offset); + status = 1; + } } return status; } |