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json: add locale independent parse and format functions

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Use them in pw-dump.
Add some unit tests.

See #2223
This commit is contained in:
Wim Taymans 2022-03-20 21:04:33 +01:00
parent 947d15a60a
commit 93b5d440bc
3 changed files with 58 additions and 5 deletions
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33
test/test-spa-json.c
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@ -22,6 +22,8 @@
* DEALINGS IN THE SOFTWARE.
*/
#include <locale.h>
#include "pwtest.h"
#include <spa/utils/defs.h>
@ -225,8 +227,39 @@ PWTEST(json_overflow)
PWTEST(json_float)
{
struct {
const char *str;
double val;
} val[] = {
{ "0.0", 0.0f },
{ ".0", 0.0f },
{ ".0E0", 0.0E0f },
{ "1.0", 1.0f },
{ "1.011", 1.011f },
{ "176543.123456", 176543.123456f },
{ "-176543.123456", -176543.123456f },
{ "-5678.5432E10", -5678.5432E10f },
{ "-5678.5432e10", -5678.5432e10f },
{ "-5678.5432e-10", -5678.5432e-10f },
{ "5678.5432e+10", 5678.5432e+10f },
{ "00.000100", 00.000100f },
{ "-0.000100", -0.000100f },
};
float v;
unsigned i;
pwtest_int_eq(spa_json_parse_float("", 0, &v), 0);
setlocale(LC_NUMERIC, "C");
for (i = 0; i < SPA_N_ELEMENTS(val); i++) {
pwtest_int_gt(spa_json_parse_float(val[i].str, strlen(val[i].str), &v), 0);
pwtest_double_eq(v, val[i].val);
}
setlocale(LC_NUMERIC, "fr_FR");
for (i = 0; i < SPA_N_ELEMENTS(val); i++) {
pwtest_int_gt(spa_json_parse_float(val[i].str, strlen(val[i].str), &v), 0);
pwtest_double_eq(v, val[i].val);
}
return PWTEST_PASS;
}