[MSVCRT_WINETEST]: Sync to Wine 1.5.13.
[reactos.git] / rostests / winetests / msvcrt / scanf.c
1 /*
2 * Unit test suite for *scanf functions.
3 *
4 * Copyright 2002 Uwe Bonnes
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #include <stdio.h>
22
23 #include "wine/test.h"
24
25 static void test_sscanf( void )
26 {
27 char buffer[100], buffer1[100];
28 char format[20];
29 int result, ret;
30 LONGLONG result64;
31 char c;
32 void *ptr;
33 float res1= -82.6267f, res2= 27.76f, res11, res12;
34 static const char pname[]=" St. Petersburg, Florida\n";
35 int hour=21,min=59,sec=20;
36 int number,number_so_far;
37
38
39 /* check EOF */
40 strcpy(buffer,"");
41 ret = sscanf(buffer, "%d", &result);
42 ok( ret == EOF,"sscanf returns %x instead of %x\n", ret, EOF );
43
44 /* check %p */
45 ok( sscanf("000000000046F170", "%p", &ptr) == 1, "sscanf failed\n" );
46 ok( ptr == (void *)0x46F170,"sscanf reads %p instead of %x\n", ptr, 0x46F170 );
47
48 ok( sscanf("0046F171", "%p", &ptr) == 1, "sscanf failed\n" );
49 ok( ptr == (void *)0x46F171,"sscanf reads %p instead of %x\n", ptr, 0x46F171 );
50
51 ok( sscanf("46F172", "%p", &ptr) == 1, "sscanf failed\n" );
52 ok( ptr == (void *)0x46F172,"sscanf reads %p instead of %x\n", ptr, 0x46F172 );
53
54 ok( sscanf("0x46F173", "%p", &ptr) == 1, "sscanf failed\n" );
55 ok( ptr == NULL,"sscanf reads %p instead of %x\n", ptr, 0 );
56
57 ok( sscanf("-46F174", "%p", &ptr) == 1, "sscanf failed\n" );
58 ok( ptr == (void *)(ULONG_PTR)-0x46f174,"sscanf reads %p instead of %p\n",
59 ptr, (void *)(ULONG_PTR)-0x46f174 );
60
61 ok( sscanf("+46F175", "%p", &ptr) == 1, "sscanf failed\n" );
62 ok( ptr == (void *)0x46F175,"sscanf reads %p instead of %x\n", ptr, 0x46F175 );
63
64 /* check %p with no hex digits */
65 ok( sscanf("1233", "%p", &ptr) == 1, "sscanf failed\n" );
66 ok( ptr == (void *)0x1233,"sscanf reads %p instead of %x\n", ptr, 0x1233 );
67
68 ok( sscanf("1234", "%P", &ptr) == 1, "sscanf failed\n" );
69 ok( ptr == (void *)0x1234,"sscanf reads %p instead of %x\n", ptr, 0x1234 );
70
71 /* check %x */
72 strcpy(buffer,"0x519");
73 ok( sscanf(buffer, "%x", &result) == 1, "sscanf failed\n" );
74 ok( result == 0x519,"sscanf reads %x instead of %x\n", result, 0x519 );
75
76 strcpy(buffer,"0x51a");
77 ok( sscanf(buffer, "%x", &result) == 1, "sscanf failed\n" );
78 ok( result == 0x51a ,"sscanf reads %x instead of %x\n", result, 0x51a );
79
80 strcpy(buffer,"0x51g");
81 ok( sscanf(buffer, "%x", &result) == 1, "sscanf failed\n" );
82 ok( result == 0x51, "sscanf reads %x instead of %x\n", result, 0x51 );
83
84 result = 0;
85 ret = sscanf("-1", "%x", &result);
86 ok(ret == 1, "Wrong number of arguments read: %d (expected 1)\n", ret);
87 ok(result == -1, "Read %d, expected -1\n", result);
88
89 /* check % followed by any char */
90 strcpy(buffer,"\"%12@");
91 strcpy(format,"%\"%%%d%@"); /* work around gcc format check */
92 ok( sscanf(buffer, format, &result) == 1, "sscanf failed\n" );
93 ok( result == 12, "sscanf reads %x instead of %x\n", result, 12 );
94
95 /* Check float */
96 ret = sprintf(buffer,"%f %f",res1, res2);
97 ok( ret == 20, "expected 20, got %u\n", ret);
98 ret = sscanf(buffer,"%f%f",&res11, &res12);
99 ok( ret == 2, "expected 2, got %u\n", ret);
100 ok( (res11 == res1) && (res12 == res2), "Error reading floats\n");
101
102 /* check strings */
103 ret = sprintf(buffer," %s", pname);
104 ok( ret == 26, "expected 26, got %u\n", ret);
105 ret = sscanf(buffer,"%*c%[^\n]",buffer1);
106 ok( ret == 1, "Error with format \"%s\"\n","%*c%[^\n]");
107 ok( strncmp(pname,buffer1,strlen(buffer1)) == 0, "Error with \"%s\" \"%s\"\n",pname, buffer1);
108
109 ret = sscanf("abcefgdh","%*[a-cg-e]%c",&buffer[0]);
110 ok( ret == 1, "Error with format \"%s\"\n","%*[a-cg-e]%c");
111 ok( buffer[0] == 'd', "Error with \"abcefgdh\" \"%c\"\n", buffer[0]);
112
113 ret = sscanf("abcefgdh","%*[a-cd-dg-e]%c",&buffer[0]);
114 ok( ret == 1, "Error with format \"%s\"\n","%*[a-cd-dg-e]%c");
115 ok( buffer[0] == 'h', "Error with \"abcefgdh\" \"%c\"\n", buffer[0]);
116
117 /* check digits */
118 ret = sprintf(buffer,"%d:%d:%d",hour,min,sec);
119 ok( ret == 8, "expected 8, got %u\n", ret);
120 ret = sscanf(buffer,"%d%n",&number,&number_so_far);
121 ok(ret == 1 , "problem with format arg \"%%d%%n\"\n");
122 ok(number == hour,"Read wrong arg %d instead of %d\n",number, hour);
123 ok(number_so_far == 2,"Read wrong arg for \"%%n\" %d instead of 2\n",number_so_far);
124
125 ret = sscanf(buffer+2,"%*c%n",&number_so_far);
126 ok(ret == 0 , "problem with format arg \"%%*c%%n\"\n");
127 ok(number_so_far == 1,"Read wrong arg for \"%%n\" %d instead of 2\n",number_so_far);
128
129 result = 0xdeadbeef;
130 strcpy(buffer,"12345678");
131 ret = sscanf(buffer, "%hd", &result);
132 ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
133 ok(result == 0xdead614e, "Wrong number read (%x)\n", result);
134
135 result = 0xdeadbeef;
136 ret = sscanf(buffer, "%hhd", &result);
137 ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
138 ok(result == 0xbc614e, "Wrong number read (%x)\n", result);
139
140 strcpy(buffer,"12345678901234");
141 ret = sscanf(buffer, "%lld", &result64);
142 ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
143 ret = sprintf(buffer1, "%lld", result64);
144 ok(ret==14 || broken(ret==10), "sprintf retuned %d\n", ret);
145 if(ret == 14)
146 ok(!strcmp(buffer, buffer1), "got %s, expected %s\n", buffer1, buffer);
147
148 /* Check %i according to bug 1878 */
149 strcpy(buffer,"123");
150 ret = sscanf(buffer, "%i", &result);
151 ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
152 ok(result == 123, "Wrong number read\n");
153 result = 0;
154 ret = sscanf("-1", "%i", &result);
155 ok(ret == 1, "Wrong number of arguments read: %d (expected 1)\n", ret);
156 ok(result == -1, "Read %d, expected -1\n", result);
157 ret = sscanf(buffer, "%d", &result);
158 ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
159 ok(result == 123, "Wrong number read\n");
160 result = 0;
161 ret = sscanf("-1", "%d", &result);
162 ok(ret == 1, "Wrong number of arguments read: %d (expected 1)\n", ret);
163 ok(result == -1, "Read %d, expected -1\n", result);
164
165 /* Check %i for octal and hexadecimal input */
166 result = 0;
167 strcpy(buffer,"017");
168 ret = sscanf(buffer, "%i", &result);
169 ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
170 ok(result == 15, "Wrong number read\n");
171 result = 0;
172 strcpy(buffer,"0x17");
173 ret = sscanf(buffer, "%i", &result);
174 ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
175 ok(result == 23, "Wrong number read\n");
176
177 /* %o */
178 result = 0;
179 ret = sscanf("-1", "%o", &result);
180 ok(ret == 1, "Wrong number of arguments read: %d (expected 1)\n", ret);
181 ok(result == -1, "Read %d, expected -1\n", result);
182
183 /* %u */
184 result = 0;
185 ret = sscanf("-1", "%u", &result);
186 ok(ret == 1, "Wrong number of arguments read: %d (expected 1)\n", ret);
187 ok(result == -1, "Read %d, expected -1\n", result);
188
189 /* Check %c */
190 strcpy(buffer,"a");
191 c = 0x55;
192 ret = sscanf(buffer, "%c", &c);
193 ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
194 ok(c == 'a', "Field incorrect: '%c'\n", c);
195
196 strcpy(buffer," a");
197 c = 0x55;
198 ret = sscanf(buffer, "%c", &c);
199 ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
200 ok(c == ' ', "Field incorrect: '%c'\n", c);
201
202 strcpy(buffer,"18:59");
203 c = 0x55;
204 ret = sscanf(buffer, "%d:%d%c", &hour, &min, &c);
205 ok(ret == 2, "Wrong number of arguments read: %d\n", ret);
206 ok(hour == 18, "Field 1 incorrect: %d\n", hour);
207 ok(min == 59, "Field 2 incorrect: %d\n", min);
208 ok(c == 0x55, "Field 3 incorrect: 0x%02x\n", c);
209
210 /* Check %n (also whitespace in format strings and %s) */
211 buffer[0]=0; buffer1[0]=0;
212 ret = sscanf("abc def", "%s %n%s", buffer, &number_so_far, buffer1);
213 ok(strcmp(buffer, "abc")==0, "First %%s read incorrectly: %s\n", buffer);
214 ok(strcmp(buffer1,"def")==0, "Second %%s read incorrectly: %s\n", buffer1);
215 ok(number_so_far==6, "%%n yielded wrong result: %d\n", number_so_far);
216 ok(ret == 2, "%%n shouldn't count as a conversion: %d\n", ret);
217
218 /* Check where %n matches to EOF in buffer */
219 strcpy(buffer, "3:45");
220 ret = sscanf(buffer, "%d:%d%n", &hour, &min, &number_so_far);
221 ok(ret == 2, "Wrong number of arguments read: %d\n", ret);
222 ok(number_so_far == 4, "%%n yielded wrong result: %d\n", number_so_far);
223 }
224
225 static void test_sscanf_s(void)
226 {
227 int (__cdecl *psscanf_s)(const char*,const char*,...);
228 HMODULE hmod = GetModuleHandleA("msvcrt.dll");
229 int i, ret;
230 char buf[100];
231
232 psscanf_s = (void*)GetProcAddress(hmod, "sscanf_s");
233 if(!psscanf_s) {
234 win_skip("sscanf_s not available\n");
235 return;
236 }
237
238 ret = psscanf_s("123", "%d", &i);
239 ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
240 ok(i == 123, "i = %d\n", i);
241
242 ret = psscanf_s("123", "%s", buf, 100);
243 ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
244 ok(!strcmp("123", buf), "buf = %s\n", buf);
245
246 ret = psscanf_s("123", "%s", buf, 3);
247 ok(ret == 0, "Wrong number of arguments read: %d\n", ret);
248 ok(buf[0]=='\0', "buf = %s\n", buf);
249
250 buf[0] = 'a';
251 ret = psscanf_s("123", "%3c", buf, 2);
252 ok(ret == 0, "Wrong number of arguments read: %d\n", ret);
253 ok(buf[0]=='\0', "buf = %s\n", buf);
254
255 i = 1;
256 ret = psscanf_s("123 123", "%s %d", buf, 2, &i);
257 ok(ret == 0, "Wrong number of arguments read: %d\n", ret);
258 ok(i==1, "i = %d\n", i);
259
260 i = 1;
261 ret = psscanf_s("123 123", "%d %s", &i, buf, 2);
262 ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
263 ok(i==123, "i = %d\n", i);
264 }
265
266 static void test_swscanf( void )
267 {
268 wchar_t buffer[100];
269 int result, ret;
270 static const WCHAR formatd[] = {'%','d',0};
271
272 /* check WEOF */
273 /* WEOF is an unsigned short -1 but swscanf returns int
274 so it should be sign-extended */
275 buffer[0] = 0;
276 ret = swscanf(buffer, formatd, &result);
277 /* msvcrt returns 0 but should return -1 (later versions do) */
278 ok( ret == (short)WEOF || broken(ret == 0),
279 "swscanf returns %x instead of %x\n", ret, WEOF );
280 }
281
282 START_TEST(scanf)
283 {
284 test_sscanf();
285 test_sscanf_s();
286 test_swscanf();
287 }