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authorstsp <>2011-04-24 08:00:22 +0000
committerstsp <>2011-04-24 08:00:22 +0000
commit3207237946ebbb52734204bdbb4c7e0e9bb896e0 (patch)
treebfc2d31d7a00364bc453b78f560644454da32204 /src
parenta33853614333564628d766d452dbbe77946ed94d (diff)
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Regression test for floating point format directives in wprintf.
ok kettenis espie
Diffstat (limited to 'src')
-rw-r--r--src/regress/lib/libc/wprintf/Makefile5
-rw-r--r--src/regress/lib/libc/wprintf/wfp.c218
2 files changed, 223 insertions, 0 deletions
diff --git a/src/regress/lib/libc/wprintf/Makefile b/src/regress/lib/libc/wprintf/Makefile
new file mode 100644
index 0000000000..7b1897f2c4
--- /dev/null
+++ b/src/regress/lib/libc/wprintf/Makefile
@@ -0,0 +1,5 @@
1# $OpenBSD: Makefile,v 1.1 2011/04/24 08:00:22 stsp Exp $
2
3PROG= wfp
4
5.include <bsd.regress.mk>
diff --git a/src/regress/lib/libc/wprintf/wfp.c b/src/regress/lib/libc/wprintf/wfp.c
new file mode 100644
index 0000000000..fc3120b53c
--- /dev/null
+++ b/src/regress/lib/libc/wprintf/wfp.c
@@ -0,0 +1,218 @@
1/* $OpenBSD: wfp.c,v 1.1 2011/04/24 08:00:22 stsp Exp $ */
2/*-
3 * Copyright (c) 2002, 2005 David Schultz <das@FreeBSD.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28/*
29 * Test for wprintf() floating point formats.
30 */
31
32#include <assert.h>
33#include <err.h>
34#include <float.h>
35#include <math.h>
36#include <stdio.h>
37#include <stdarg.h>
38#include <stdint.h>
39#include <stdlib.h>
40#include <string.h>
41#include <wchar.h>
42
43#define testfmt(result, fmt, ...) \
44 _testfmt((result), __LINE__, #__VA_ARGS__, fmt, __VA_ARGS__)
45void _testfmt(const wchar_t *, int, const char *, const wchar_t *, ...);
46void smash_stack(void);
47
48int
49main(int argc, char *argv[])
50{
51 /*
52 * Basic tests of decimal output functionality.
53 */
54 testfmt(L" 1.000000E+00", L"%13E", 1.0);
55 testfmt(L" 1.000000", L"%13f", 1.0);
56 testfmt(L" 1", L"%13G", 1.0);
57 testfmt(L" 1.000000E+00", L"%13LE", 1.0L);
58 testfmt(L" 1.000000", L"%13Lf", 1.0L);
59 testfmt(L" 1", L"%13LG", 1.0L);
60
61 testfmt(L"2.718282", L"%.*f", -2, 2.7182818);
62
63 testfmt(L"1.234568e+06", L"%e", 1234567.8);
64 testfmt(L"1234567.800000", L"%f", 1234567.8);
65 testfmt(L"1.23457E+06", L"%G", 1234567.8);
66 testfmt(L"1.234568e+06", L"%Le", 1234567.8L);
67 testfmt(L"1234567.800000", L"%Lf", 1234567.8L);
68 testfmt(L"1.23457E+06", L"%LG", 1234567.8L);
69
70#if (LDBL_MANT_DIG > DBL_MANT_DIG) && !defined(__i386__)
71 testfmt(L"123456789.864210", L"%Lf", 123456789.8642097531L);
72 testfmt(L"-1.23457E+08", L"%LG", -123456789.8642097531L);
73 testfmt(L"123456789.8642097531", L"%.10Lf", 123456789.8642097531L);
74 testfmt(L" 3.141592653589793238e-4000", L"%L27.18Le",
75 3.14159265358979323846e-4000L);
76#endif /* (LDBL_MANT_DIG > DBL_MANT_DIG) && !defined(__i386__) */
77
78 /*
79 * Infinities and NaNs
80 */
81#ifdef NAN
82 testfmt(L"nan", L"%e", NAN);
83 testfmt(L"NAN", L"%F", NAN);
84 testfmt(L"nan", L"%g", NAN);
85 testfmt(L"NAN", L"%LE", (long double)NAN);
86 testfmt(L" nan", L"%05e", NAN);
87#endif /* NAN */
88
89 testfmt(L"INF", L"%E", HUGE_VAL);
90 testfmt(L"-inf", L"%f", -HUGE_VAL);
91 testfmt(L"+inf", L"%+g", HUGE_VAL);
92 testfmt(L" inf", L"%4.2Le", HUGE_VALL);
93 testfmt(L"-inf", L"%Lf", -HUGE_VALL);
94 testfmt(L" inf", L"%05e", HUGE_VAL);
95 testfmt(L" -inf", L"%05e", -HUGE_VAL);
96
97 /*
98 * Padding
99 */
100 testfmt(L"0.000000e+00", L"%e", 0.0);
101 testfmt(L"0.000000", L"%F", (double)0.0);
102 testfmt(L"0", L"%G", 0.0);
103 testfmt(L" 0", L"%3.0Lg", 0.0L);
104 testfmt(L" 0", L"%5.0f", 0.001);
105
106 /*
107 * Precision specifiers
108 */
109 testfmt(L"1.0123e+00", L"%.4e", 1.0123456789);
110 testfmt(L"1.0123", L"%.4f", 1.0123456789);
111 testfmt(L"1.012", L"%.4g", 1.0123456789);
112 testfmt(L"1.2346e-02", L"%.4e", 0.0123456789);
113 testfmt(L"0.0123", L"%.4f", 0.0123456789);
114 testfmt(L"0.01235", L"%.4g", 0.0123456789);
115
116 /*
117 * Signed conversions
118 */
119 testfmt(L"+2.500000e-01", L"%+e", 0.25);
120 testfmt(L"+0.000000", L"%+F", 0.0);
121 testfmt(L"-1", L"%+g", -1.0);
122
123 testfmt(L"-1.000000e+00", L"% e", -1.0);
124 testfmt(L"+1.000000", L"% +f", 1.0);
125 testfmt(L" 1", L"% g", 1.0);
126 testfmt(L" 0", L"% g", 0.0);
127
128 /*
129 * ``Alternate form''
130 */
131 testfmt(L"1.250e+00", L"%#.3e", 1.25);
132 testfmt(L"123.000000", L"%#f", 123.0);
133 testfmt(L" 12345.", L"%#7.5g", 12345.0);
134 testfmt(L" 1.00000", L"%#8g", 1.0);
135 testfmt(L"0.0", L"%#.2g", 0.0);
136
137 /*
138 * Padding and decimal point placement
139 */
140 testfmt(L"03.2E+00", L"%08.1E", 3.25);
141 testfmt(L"003.25", L"%06.2F", 3.25);
142 testfmt(L"0003.25", L"%07.4G", 3.25);
143
144 testfmt(L"3.14159e-05", L"%g", 3.14159e-5);
145 testfmt(L"0.000314159", L"%g", 3.14159e-4);
146 testfmt(L"3.14159e+06", L"%g", 3.14159e6);
147 testfmt(L"314159", L"%g", 3.14159e5);
148 testfmt(L"314159.", L"%#g", 3.14159e5);
149
150 testfmt(L" 9.000000e+03", L"%13e", 9000.0);
151 testfmt(L" 9000.000000", L"%12f", 9000.0);
152 testfmt(L" 9000", L"%5g", 9000.0);
153 testfmt(L" 900000.", L"%#8g", 900000.0);
154 testfmt(L" 9e+06", L"%6g", 9000000.0);
155 testfmt(L" 9.000000e-04", L"%13e", 0.0009);
156 testfmt(L" 0.000900", L"%9f", 0.0009);
157 testfmt(L" 0.0009", L"%7g", 0.0009);
158 testfmt(L" 9e-05", L"%6g", 0.00009);
159 testfmt(L" 9.00000e-05", L"%#12g", 0.00009);
160 testfmt(L" 9.e-05", L"%#7.1g", 0.00009);
161
162 testfmt(L" 0.0", L"%4.1f", 0.0);
163 testfmt(L"90.0", L"%4.1f", 90.0);
164 testfmt(L" 100", L"%4.0f", 100.0);
165 testfmt(L"9.0e+01", L"%4.1e", 90.0);
166 testfmt(L"1e+02", L"%4.0e", 100.0);
167
168 /*
169 * Hexadecimal floating point (%a, %A) tests. Some of these
170 * are only valid if the implementation converts to hex digits
171 * on nibble boundaries.
172 */
173 testfmt(L"0x0p+0", L"%a", 0x0.0p0);
174 testfmt(L"0X0.P+0", L"%#LA", 0x0.0p0L);
175#ifdef NAN
176 testfmt(L"inf", L"%La", (long double)INFINITY);
177 testfmt(L"+INF", L"%+A", INFINITY);
178 testfmt(L"nan", L"%La", (long double)NAN);
179 testfmt(L"NAN", L"%A", NAN);
180#endif /* NAN */
181
182 testfmt(L" 0x1.23p+0", L"%10a", 0x1.23p0);
183 testfmt(L" 0x1.23p-500", L"%12a", 0x1.23p-500);
184 testfmt(L" 0x1.2p+40", L"%10.1a", 0x1.23p40);
185 testfmt(L" 0X1.230000000000000000000000P-4", L"%32.24A", 0x1.23p-4);
186 testfmt(L"0x1p-1074", L"%a", 0x1p-1074);
187 testfmt(L"0x1.2345p-1024", L"%a", 0x1.2345p-1024);
188
189 return (0);
190}
191
192void
193smash_stack(void)
194{
195 static uint32_t junk = 0xdeadbeef;
196 uint32_t buf[512];
197 int i;
198
199 for (i = 0; i < sizeof(buf) / sizeof(buf[0]); i++)
200 buf[i] = junk;
201}
202
203void
204_testfmt(const wchar_t *result, int line, const char *argstr, const wchar_t *fmt,...)
205{
206 wchar_t s[100];
207 va_list ap;
208
209 va_start(ap, fmt);
210 smash_stack();
211 vswprintf(s, sizeof(s), fmt, ap);
212 if (wcscmp(result, s) != 0) {
213 fprintf(stderr,
214 "%d: printf(\"%s\", %s) ==> [%s], expected [%s]\n",
215 line, (char*)fmt, argstr, s, result);
216 abort();
217 }
218}
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