1
2 /*
3 * Copyright (C) Igor Sysoev
4 * Copyright (C) NGINX, Inc.
5 */
6
7 #include <nxt_main.h>
8 #include "nxt_tests.h"
9
10
11 typedef struct {
12 const char *format;
13 const char *test;
14 double number;
15 } nxt_sprintf_double_test_t;
16
17
18 static const nxt_sprintf_double_test_t double_test[] =
19 {
20 { "%3.5f", "1234.56700", 1234.567 },
21 { "%3.0f", "1234", 1234.567 },
22 { "%f", "1234.567", 1234.567 },
23 { "%f", "0.1", 0.1 },
24 { "%f", "0.000001", 0.000001 },
25 { "%f", "4503599627370495", 4503599627370495.0 },
26 };
27
28
29 static nxt_int_t
nxt_sprintf_test_double(u_char * buf,u_char * end,const char * fmt,const char * test,double n)30 nxt_sprintf_test_double(u_char *buf, u_char *end, const char *fmt,
31 const char *test, double n)
32 {
33 u_char *p;
34
35 p = nxt_sprintf(buf, end, fmt, n);
36 *p = '\0';
37
38 return nxt_strcmp(buf, test);
39 }
40
41
42 nxt_int_t
nxt_sprintf_test(nxt_thread_t * thr)43 nxt_sprintf_test(nxt_thread_t *thr)
44 {
45 nxt_int_t ret;
46 nxt_uint_t i;
47 u_char *end, buf[64];
48
49 nxt_thread_time_update(thr);
50
51 end = buf + 64;
52
53 for (i = 0; i < nxt_nitems(double_test); i++) {
54
55 ret = nxt_sprintf_test_double(buf, end, double_test[i].format,
56 double_test[i].test,
57 double_test[i].number);
58
59 if (ret == NXT_OK) {
60 continue;
61 }
62
63 nxt_log_alert(thr->log, "nxt_sprintf(\"%s\") failed: \"%s\" vs \"%s\"",
64 double_test[i].format, double_test[i].test, buf);
65
66 return NXT_ERROR;
67 }
68
69 nxt_log_error(NXT_LOG_NOTICE, thr->log, "nxt_sprintf() test passed");
70 return NXT_OK;
71 }
72