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 char c;
31 void *ptr;
32 float res1= -82.6267f, res2= 27.76f, res11, res12;
33 static const char pname[]=" St. Petersburg, Florida\n";
34 int hour=21,min=59,sec=20;
35 int number,number_so_far;
36
37
38 /* check EOF */
39 strcpy(buffer,"");
40 ret = sscanf(buffer, "%d", &result);
41 ok( ret == EOF,"sscanf returns %x instead of %x\n", ret, EOF );
42
43 /* check %p */
44 ok( sscanf("000000000046F170", "%p", &ptr) == 1, "sscanf failed\n" );
45 ok( ptr == (void *)0x46F170,"sscanf reads %p instead of %x\n", ptr, 0x46F170 );
46
47 ok( sscanf("0046F171", "%p", &ptr) == 1, "sscanf failed\n" );
48 ok( ptr == (void *)0x46F171,"sscanf reads %p instead of %x\n", ptr, 0x46F171 );
49
50 ok( sscanf("46F172", "%p", &ptr) == 1, "sscanf failed\n" );
51 ok( ptr == (void *)0x46F172,"sscanf reads %p instead of %x\n", ptr, 0x46F172 );
52
53 ok( sscanf("0x46F173", "%p", &ptr) == 1, "sscanf failed\n" );
54 ok( ptr == NULL,"sscanf reads %p instead of %x\n", ptr, 0 );
55
56 ok( sscanf("-46F174", "%p", &ptr) == 1, "sscanf failed\n" );
57 ok( ptr == (void *)(ULONG_PTR)-0x46f174,"sscanf reads %p instead of %p\n",
58 ptr, (void *)(ULONG_PTR)-0x46f174 );
59
60 ok( sscanf("+46F175", "%p", &ptr) == 1, "sscanf failed\n" );
61 ok( ptr == (void *)0x46F175,"sscanf reads %p instead of %x\n", ptr, 0x46F175 );
62
63 /* check %p with no hex digits */
64 ok( sscanf("1233", "%p", &ptr) == 1, "sscanf failed\n" );
65 ok( ptr == (void *)0x1233,"sscanf reads %p instead of %x\n", ptr, 0x1233 );
66
67 ok( sscanf("1234", "%P", &ptr) == 1, "sscanf failed\n" );
68 ok( ptr == (void *)0x1234,"sscanf reads %p instead of %x\n", ptr, 0x1234 );
69
70 /* check %x */
71 strcpy(buffer,"0x519");
72 ok( sscanf(buffer, "%x", &result) == 1, "sscanf failed\n" );
73 ok( result == 0x519,"sscanf reads %x instead of %x\n", result, 0x519 );
74
75 strcpy(buffer,"0x51a");
76 ok( sscanf(buffer, "%x", &result) == 1, "sscanf failed\n" );
77 ok( result == 0x51a ,"sscanf reads %x instead of %x\n", result, 0x51a );
78
79 strcpy(buffer,"0x51g");
80 ok( sscanf(buffer, "%x", &result) == 1, "sscanf failed\n" );
81 ok( result == 0x51, "sscanf reads %x instead of %x\n", result, 0x51 );
82
83 result = 0;
84 ret = sscanf("-1", "%x", &result);
85 ok(ret == 1, "Wrong number of arguments read: %d (expected 1)\n", ret);
86 ok(result == -1, "Read %d, expected -1\n", result);
87
88 /* check % followed by any char */
89 strcpy(buffer,"\"%12@");
90 strcpy(format,"%\"%%%d%@"); /* work around gcc format check */
91 ok( sscanf(buffer, format, &result) == 1, "sscanf failed\n" );
92 ok( result == 12, "sscanf reads %x instead of %x\n", result, 12 );
93
94 /* Check float */
95 ret = sprintf(buffer,"%f %f",res1, res2);
96 ret = sscanf(buffer,"%f%f",&res11, &res12);
97 ok( (res11 == res1) && (res12 == res2), "Error reading floats\n");
98
99 /* check strings */
100 ret = sprintf(buffer," %s", pname);
101 ret = sscanf(buffer,"%*c%[^\n]",buffer1);
102 ok( ret == 1, "Error with format \"%s\"\n","%*c%[^\n]");
103 ok( strncmp(pname,buffer1,strlen(buffer1)) == 0, "Error with \"%s\" \"%s\"\n",pname, buffer1);
104
105 ret = sscanf("abcefgdh","%*[a-cg-e]%c",&buffer[0]);
106 ok( ret == 1, "Error with format \"%s\"\n","%*[a-cg-e]%c");
107 ok( buffer[0] == 'd', "Error with \"abcefgdh\" \"%c\"\n", buffer[0]);
108
109 ret = sscanf("abcefgdh","%*[a-cd-dg-e]%c",&buffer[0]);
110 ok( ret == 1, "Error with format \"%s\"\n","%*[a-cd-dg-e]%c");
111 ok( buffer[0] == 'h', "Error with \"abcefgdh\" \"%c\"\n", buffer[0]);
112
113 /* check digits */
114 ret = sprintf(buffer,"%d:%d:%d",hour,min,sec);
115 ret = sscanf(buffer,"%d%n",&number,&number_so_far);
116 ok(ret == 1 , "problem with format arg \"%%d%%n\"\n");
117 ok(number == hour,"Read wrong arg %d instead of %d\n",number, hour);
118 ok(number_so_far == 2,"Read wrong arg for \"%%n\" %d instead of 2\n",number_so_far);
119
120 ret = sscanf(buffer+2,"%*c%n",&number_so_far);
121 ok(ret == 0 , "problem with format arg \"%%*c%%n\"\n");
122 ok(number_so_far == 1,"Read wrong arg for \"%%n\" %d instead of 2\n",number_so_far);
123
124 /* Check %i according to bug 1878 */
125 strcpy(buffer,"123");
126 ret = sscanf(buffer, "%i", &result);
127 ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
128 ok(result == 123, "Wrong number read\n");
129 result = 0;
130 ret = sscanf("-1", "%i", &result);
131 ok(ret == 1, "Wrong number of arguments read: %d (expected 1)\n", ret);
132 ok(result == -1, "Read %d, expected -1\n", result);
133 ret = sscanf(buffer, "%d", &result);
134 ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
135 ok(result == 123, "Wrong number read\n");
136 result = 0;
137 ret = sscanf("-1", "%d", &result);
138 ok(ret == 1, "Wrong number of arguments read: %d (expected 1)\n", ret);
139 ok(result == -1, "Read %d, expected -1\n", result);
140
141 /* Check %i for octal and hexadecimal input */
142 result = 0;
143 strcpy(buffer,"017");
144 ret = sscanf(buffer, "%i", &result);
145 ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
146 ok(result == 15, "Wrong number read\n");
147 result = 0;
148 strcpy(buffer,"0x17");
149 ret = sscanf(buffer, "%i", &result);
150 ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
151 ok(result == 23, "Wrong number read\n");
152
153 /* %o */
154 result = 0;
155 ret = sscanf("-1", "%o", &result);
156 ok(ret == 1, "Wrong number of arguments read: %d (expected 1)\n", ret);
157 ok(result == -1, "Read %d, expected -1\n", result);
158
159 /* %u */
160 result = 0;
161 ret = sscanf("-1", "%u", &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 %c */
166 strcpy(buffer,"a");
167 c = 0x55;
168 ret = sscanf(buffer, "%c", &c);
169 ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
170 ok(c == 'a', "Field incorrect: '%c'\n", c);
171
172 strcpy(buffer," a");
173 c = 0x55;
174 ret = sscanf(buffer, "%c", &c);
175 ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
176 ok(c == ' ', "Field incorrect: '%c'\n", c);
177
178 strcpy(buffer,"18:59");
179 c = 0x55;
180 ret = sscanf(buffer, "%d:%d%c", &hour, &min, &c);
181 ok(ret == 2, "Wrong number of arguments read: %d\n", ret);
182 ok(hour == 18, "Field 1 incorrect: %d\n", hour);
183 ok(min == 59, "Field 2 incorrect: %d\n", min);
184 ok(c == 0x55, "Field 3 incorrect: 0x%02x\n", c);
185
186 /* Check %n (also whitespace in format strings and %s) */
187 buffer[0]=0; buffer1[0]=0;
188 ret = sscanf("abc def", "%s %n%s", buffer, &number_so_far, buffer1);
189 ok(strcmp(buffer, "abc")==0, "First %%s read incorrectly: %s\n", buffer);
190 ok(strcmp(buffer1,"def")==0, "Second %%s read incorrectly: %s\n", buffer1);
191 ok(number_so_far==6, "%%n yielded wrong result: %d\n", number_so_far);
192 ok(ret == 2, "%%n shouldn't count as a conversion: %d\n", ret);
193
194 /* Check where %n matches to EOF in buffer */
195 strcpy(buffer, "3:45");
196 ret = sscanf(buffer, "%d:%d%n", &hour, &min, &number_so_far);
197 ok(ret == 2, "Wrong number of arguments read: %d\n", ret);
198 ok(number_so_far == 4, "%%n yielded wrong result: %d\n", number_so_far);
199 }
200
201 START_TEST(scanf)
202 {
203 test_sscanf();
204 }
205
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