diff options
Diffstat (limited to 'lib/mlibc/tests/ansi/strtof.c')
| -rw-r--r-- | lib/mlibc/tests/ansi/strtof.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/lib/mlibc/tests/ansi/strtof.c b/lib/mlibc/tests/ansi/strtof.c new file mode 100644 index 0000000..a13af90 --- /dev/null +++ b/lib/mlibc/tests/ansi/strtof.c @@ -0,0 +1,83 @@ +#include <stdlib.h> +#include <assert.h> +#include <string.h> +#include <math.h> + +#define FLT_RANGE 0.000001f +#define DBL_RANGE 0.000001 +#define LDBL_RANGE 0.000001 + +#define DO_TEST(str, value, off, func, range) ({ \ + char s[] = (str); \ + char *pEnd = NULL; \ + __typeof(func(s, &pEnd)) result = func(s, &pEnd); \ + assert(result >= (value) - (range)); \ + assert(result <= (value) + (range)); \ + assert(pEnd == (off == -1 ? s + strlen(s) : s + off)); }) + +#define DO_TEST_SUCCESS_FUNC(str, success_func, off, func) ({ \ + char s[] = (str); \ + char *pEnd = NULL; \ + assert(success_func(func(s, &pEnd))); \ + assert(pEnd == (off == -1 ? s + strlen(s) : s + off)); }) + +int main () { + DO_TEST("0", 0.0f, -1, strtof, FLT_RANGE); + DO_TEST("0.12", 0.12f, -1, strtof, FLT_RANGE); + DO_TEST("12", 12.0f, -1, strtof, FLT_RANGE); + DO_TEST("12.13", 12.13f, -1, strtof, FLT_RANGE); + DO_TEST("10.0e1", 100.0f, -1, strtof, FLT_RANGE); + DO_TEST("10.0e10", 100000000000.0f, -1, strtof, FLT_RANGE); + DO_TEST("100.0e-1", 10.0f, -1, strtof, FLT_RANGE); + DO_TEST("0x0", 0.0f, -1, strtof, FLT_RANGE); + DO_TEST("0x0.12", 0.0703125f, -1, strtof, FLT_RANGE); + DO_TEST("0x12", 18.0f, -1, strtof, FLT_RANGE); + DO_TEST("0x12.13", 18.07421875f, -1, strtof, FLT_RANGE); + DO_TEST("0x10.0p1", 32.0f, -1, strtof, FLT_RANGE); + DO_TEST("0x10.0p10", 16384.0f, -1, strtof, FLT_RANGE); + DO_TEST("0x100.0p-1", 128.0f, -1, strtof, FLT_RANGE); + DO_TEST_SUCCESS_FUNC("NAN", isnan, -1, strtof); + DO_TEST_SUCCESS_FUNC("nan", isnan, -1, strtof); + DO_TEST_SUCCESS_FUNC("INF", isinf, -1, strtof); + DO_TEST_SUCCESS_FUNC("INFINITY", isinf, -1, strtof); + + DO_TEST("0", 0.0, -1, strtod, DBL_RANGE); + DO_TEST("0.12", 0.12, -1, strtod, DBL_RANGE); + DO_TEST("12", 12.0, -1, strtod, DBL_RANGE); + DO_TEST("12.13", 12.13, -1, strtod, DBL_RANGE); + DO_TEST("10.0e1", 100.0, -1, strtod, DBL_RANGE); + DO_TEST("10.0e10", 100000000000.0, -1, strtod, DBL_RANGE); + DO_TEST("100.0e-1", 10.0, -1, strtod, DBL_RANGE); + DO_TEST("0x0", 0.0, -1, strtod, DBL_RANGE); + DO_TEST("0x0.12", 0.0703125, -1, strtod, DBL_RANGE); + DO_TEST("0x12", 18.0, -1, strtod, DBL_RANGE); + DO_TEST("0x12.13", 18.07421875, -1, strtod, DBL_RANGE); + DO_TEST("0x10.0p1", 32.0, -1, strtod, DBL_RANGE); + DO_TEST("0x10.0p10", 16384.0, -1, strtod, DBL_RANGE); + DO_TEST("0x100.0p-1", 128.0, -1, strtod, DBL_RANGE); + DO_TEST_SUCCESS_FUNC("NAN", isnan, -1, strtod); + DO_TEST_SUCCESS_FUNC("nan", isnan, -1, strtod); + DO_TEST_SUCCESS_FUNC("INF", isinf, -1, strtod); + DO_TEST_SUCCESS_FUNC("INFINITY", isinf, -1, strtod); + + DO_TEST("0", 0.0, -1, strtold, LDBL_RANGE); + DO_TEST("0.12", 0.12, -1, strtold, LDBL_RANGE); + DO_TEST("12", 12.0, -1, strtold, LDBL_RANGE); + DO_TEST("12.13", 12.13, -1, strtold, LDBL_RANGE); + DO_TEST("10.0e1", 100.0, -1, strtold, LDBL_RANGE); + DO_TEST("10.0e10", 100000000000.0, -1, strtold, LDBL_RANGE); + DO_TEST("100.0e-1", 10.0, -1, strtold, LDBL_RANGE); + DO_TEST("0x0", 0.0, -1, strtold, LDBL_RANGE); + DO_TEST("0x0.12", 0.0703125, -1, strtold, LDBL_RANGE); + DO_TEST("0x12", 18.0, -1, strtold, LDBL_RANGE); + DO_TEST("0x12.13", 18.07421875, -1, strtold, LDBL_RANGE); + DO_TEST("0x10.0p1", 32.0, -1, strtold, LDBL_RANGE); + DO_TEST("0x10.0p10", 16384.0, -1, strtold, LDBL_RANGE); + DO_TEST("0x100.0p-1", 128.0, -1, strtold, LDBL_RANGE); + DO_TEST_SUCCESS_FUNC("NAN", isnan, -1, strtold); + DO_TEST_SUCCESS_FUNC("nan", isnan, -1, strtold); + DO_TEST_SUCCESS_FUNC("INF", isinf, -1, strtold); + DO_TEST_SUCCESS_FUNC("INFINITY", isinf, -1, strtold); + + return 0; +} |