1/* Tests for strfromf, strfromd, strfroml functions.
2 Copyright (C) 2016-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include "tst-strfrom.h"
20
21static const struct test tests[] = {
22 TEST ("12.345000", "%f", 50, 9, 12.345),
23 TEST ("9.999", "%.3f", 50, 5, 9.999),
24 TEST ("0.125000", "%f", 50, 8, .125),
25 TEST ("0.000000", "%f", 50, 8, .0),
26 TEST ("0", "%g", 50, 1, .0),
27 TEST ("9.900000", "%f", 50, 8, 9.9),
28 TEST ("9.1", "%.5f", 4, 7, 9.123456),
29 TEST ("9.91235", "%g", 50, 7, 9.91234567812345678),
30 TEST ("79.8765", "%G", 50, 7, 79.8765432111),
31 TEST ("79.9", "%.3g", 50, 4, 79.8765432111),
32 TEST ("1.000000e+38", "%e", 50, 12, 1e+38),
33 TEST ("1.000000e+38", "%e", 50, 12, 1e38),
34 TEST ("-1.000000e-37", "%e", 50, 13, -1e-37),
35 TEST ("1.000000e-37", "%e", 50, 12, 0.00000001e-29),
36 TEST ("1.000000e-37", "%e", 50, 12, 1.000000e-37),
37 TEST ("5.900000e-16", "%e", 50, 12, 5.9e-16),
38 TEST ("1.234500e+20", "%e", 50, 12, 12.345e19),
39 TEST ("1.000000e+05", "%e", 50, 12, 1e5),
40 TEST ("-NAN", "%G", 50, 4, -NAN_),
41 TEST ("-inf", "%g", 50, 4, -INF),
42 TEST ("inf", "%g", 50, 3, INF)
43};
44/* Tests with buffer size small. */
45static const struct test stest[] = {
46 TEST ("1234", "%g", 5, 7, 12345.345),
47 TEST ("0.12", "%f", 5, 8, .125),
48 TEST ("9.99", "%.3f", 5, 5, 9.999),
49 TEST ("100", "%g", 5, 3, 1e2)
50};
51/* Hexadecimal tests. */
52static const struct htests htest[] = {
53 HTEST ("%a", { "0x1.ffp+6", "0x3.fep+5", "0x7.fcp+4", "0xf.f8p+3" },
54 0x1.ffp+6),
55 HTEST ("%a", { "0x1.88p+4", "0x3.1p+3", "0x6.2p+2", "0xc.4p+1" },
56 0x1.88p+4),
57 HTEST ("%A", { "-0X1.88P+5", "-0X3.1P+4", "-0X6.2P+3", "-0XC.4P+2" },
58 -0x1.88p+5),
59 HTEST ("%a", { "0x1.44p+10", "0x2.88p+9", "0x5.1p+8", "0xa.2p+7" },
60 0x1.44p+10),
61 HTEST ("%a", { "0x1p-10", "0x2p-11", "0x4p-12", "0x8p-13" },
62 0x0.0040p+0),
63 HTEST ("%a", { "0x1.4p+3", "0x2.8p+2", "0x5p+1", "0xap+0" },
64 10.0)
65};
66
67GEN_TEST_STRTOD_FOREACH (TEST_STRFROM)
68
69static int
70test_locale (const char *locale)
71{
72 printf (format: "Testing in locale: %s\n", locale);
73 if (setlocale (LC_ALL, locale) == NULL)
74 {
75 printf (format: "Cannot set locale %s\n", locale);
76 }
77 return STRTOD_TEST_FOREACH (test_);
78}
79
80static int
81do_test (void)
82{
83 int result = 0;
84 result += test_locale (locale: "C");
85 result += test_locale (locale: "en_US.ISO-8859-1");
86 result += test_locale (locale: "en_US.UTF-8");
87 return result;
88}
89
90#define TEST_FUNCTION do_test ()
91#include "../test-skeleton.c"
92

source code of glibc/stdlib/tst-strfrom.c