1 /* Test for the long double variants of *w*printf functions.
2 Copyright (C) 2019-2022 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 <stdarg.h>
20 #include <stdint.h>
21 #include <stdio.h>
22 #include <wchar.h>
23
24 #include <support/capture_subprocess.h>
25 #include <support/check.h>
26
27 static void
do_test_call_varg(FILE * stream,const wchar_t * format,...)28 do_test_call_varg (FILE *stream, const wchar_t *format, ...)
29 {
30 wchar_t string[128];
31 va_list args;
32
33 wprintf (L"%15Ls", L"vfwprintf: ");
34 va_start (args, format);
35 vfwprintf (stream, format, args);
36 va_end (args);
37 wprintf (L"\n");
38
39 wprintf (L"%15Ls", L"vswprintf: ");
40 va_start (args, format);
41 vswprintf (string, 127, format, args);
42 va_end (args);
43 wprintf (L"%Ls", string);
44 wprintf (L"\n");
45
46 wprintf (L"%15Ls", L"vwprintf: ");
47 va_start (args, format);
48 vwprintf (format, args);
49 va_end (args);
50 wprintf (L"\n");
51 }
52
53 static void
do_test_call_rarg(FILE * stream,const wchar_t * format,long double ld,double d)54 do_test_call_rarg (FILE *stream, const wchar_t *format, long double ld,
55 double d)
56 {
57 wchar_t string[128];
58
59 wprintf (L"%15Ls", L"fwprintf: ");
60 fwprintf (stream, format, ld, d);
61 wprintf (L"\n");
62
63 wprintf (L"%15Ls", L"swprintf: ");
64 swprintf (string, 127, format, ld, d);
65 wprintf (L"%Ls", string);
66 wprintf (L"\n");
67
68 wprintf (L"%15Ls", L"wprintf: ");
69 wprintf (format, ld, d);
70 wprintf (L"\n");
71 }
72
73 static void
do_test_call(void)74 do_test_call (void)
75 {
76 long double ld = -1;
77 double d = -1;
78
79 /* Print in decimal notation. */
80 do_test_call_rarg (stdout, L"%.10Lf, %.10f", ld, d);
81 do_test_call_varg (stdout, L"%.10Lf, %.10f", ld, d);
82
83 /* Print in hexadecimal notation. */
84 do_test_call_rarg (stdout, L"%.10La, %.10a", ld, d);
85 do_test_call_varg (stdout, L"%.10La, %.10a", ld, d);
86
87 /* Test positional parameters. */
88 do_test_call_varg (stdout, L"%3$Lf, %2$Lf, %1$f",
89 (double) 1, (long double) 2, (long double) 3);
90 }
91
92 static int
do_test(void)93 do_test (void)
94 {
95 struct support_capture_subprocess result;
96 result = support_capture_subprocess ((void *) &do_test_call, NULL);
97
98 /* Compare against the expected output. */
99 const char *expected =
100 " fwprintf: -1.0000000000, -1.0000000000\n"
101 " swprintf: -1.0000000000, -1.0000000000\n"
102 " wprintf: -1.0000000000, -1.0000000000\n"
103 " vfwprintf: -1.0000000000, -1.0000000000\n"
104 " vswprintf: -1.0000000000, -1.0000000000\n"
105 " vwprintf: -1.0000000000, -1.0000000000\n"
106 " fwprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
107 " swprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
108 " wprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
109 " vfwprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
110 " vswprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
111 " vwprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
112 " vfwprintf: 3.000000, 2.000000, 1.000000\n"
113 " vswprintf: 3.000000, 2.000000, 1.000000\n"
114 " vwprintf: 3.000000, 2.000000, 1.000000\n";
115 TEST_COMPARE_STRING (expected, result.out.buffer);
116
117 return 0;
118 }
119
120 #include <support/test-driver.c>
121