diff options
Diffstat (limited to 'stdlib/tst-strtod2.c')
-rw-r--r-- | stdlib/tst-strtod2.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/stdlib/tst-strtod2.c b/stdlib/tst-strtod2.c new file mode 100644 index 0000000..30d8d9d --- /dev/null +++ b/stdlib/tst-strtod2.c @@ -0,0 +1,44 @@ +#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; + 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 %ju 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" |