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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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     float res1= -82.6267f, res2= 27.76f, res11, res12;
  32     static const char pname[]=" St. Petersburg, Florida\n";
  33     int hour=21,min=59,sec=20;
  34     int  number,number_so_far;
  35
  36
  37     /* check EOF */
  38     strcpy(buffer,"");
  39     ret = sscanf(buffer, "%d", &result);
  40     ok( ret == EOF,"sscanf returns %x instead of %x\n", ret, EOF );
  41
  42     /* check %x */
  43     strcpy(buffer,"0x519");
  44     ok( sscanf(buffer, "%x", &result) == 1, "sscanf failed\n"  );
  45     ok( result == 0x519,"sscanf reads %x instead of %x\n", result, 0x519 );
  46
  47     strcpy(buffer,"0x51a");
  48     ok( sscanf(buffer, "%x", &result) == 1, "sscanf failed\n" );
  49     ok( result == 0x51a ,"sscanf reads %x instead of %x\n", result, 0x51a );
  50
  51     strcpy(buffer,"0x51g");
  52     ok( sscanf(buffer, "%x", &result) == 1, "sscanf failed\n" );
  53     ok( result == 0x51, "sscanf reads %x instead of %x\n", result, 0x51 );
  54
  55     /* check % followed by any char */
  56     strcpy(buffer,"\"%12@");
  57     strcpy(format,"%\"%%%d%@");  /* work around gcc format check */
  58     ok( sscanf(buffer, format, &result) == 1, "sscanf failed\n" );
  59     ok( result == 12, "sscanf reads %x instead of %x\n", result, 12 );
  60
  61     /* Check float */
  62     ret = sprintf(buffer,"%f %f",res1, res2);
  63     ret = sscanf(buffer,"%f%f",&res11, &res12);
  64     ok( (res11 == res1) && (res12 == res2), "Error reading floats\n");
  65
  66     /* check strings */
  67     ret = sprintf(buffer," %s", pname);
  68     ret = sscanf(buffer,"%*c%[^\n]",buffer1);
  69     ok( ret == 1, "Error with format \"%s\"\n","%*c%[^\n]");
  70     ok( strncmp(pname,buffer1,strlen(buffer1)) == 0, "Error with \"%s\" \"%s\"\n",pname, buffer1);
  71
  72     ret = sscanf("abcefgdh","%*[a-cg-e]%c",&buffer[0]);
  73     ok( ret == 1, "Error with format \"%s\"\n","%*[a-cg-e]%c");
  74     ok( buffer[0] == 'd', "Error with \"abcefgdh\" \"%c\"\n", buffer[0]);
  75
  76     ret = sscanf("abcefgdh","%*[a-cd-dg-e]%c",&buffer[0]);
  77     ok( ret == 1, "Error with format \"%s\"\n","%*[a-cd-dg-e]%c");
  78     ok( buffer[0] == 'h', "Error with \"abcefgdh\" \"%c\"\n", buffer[0]);
  79
  80     /* check digits */
  81     ret = sprintf(buffer,"%d:%d:%d",hour,min,sec);
  82     ret = sscanf(buffer,"%d%n",&number,&number_so_far);
  83     ok(ret == 1 , "problem with format arg \"%%d%%n\"\n");
  84     ok(number == hour,"Read wrong arg %d instead of %d\n",number, hour);
  85     ok(number_so_far == 2,"Read wrong arg for \"%%n\" %d instead of 2\n",number_so_far);
  86
  87     ret = sscanf(buffer+2,"%*c%n",&number_so_far);
  88     ok(ret == 0 , "problem with format arg \"%%*c%%n\"\n");
  89     ok(number_so_far == 1,"Read wrong arg for \"%%n\" %d instead of 2\n",number_so_far);
  90
  91     /* Check %i according to bug 1878 */
  92     strcpy(buffer,"123");
  93     ret = sscanf(buffer, "%i", &result);
  94     ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
  95     ok(result == 123, "Wrong number read\n");
  96     ret = sscanf(buffer, "%d", &result);
  97     ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
  98     ok(result == 123, "Wrong number read\n");
  99
 100     /* Check %c */
 101     strcpy(buffer,"a");
 102     c = 0x55;
 103     ret = sscanf(buffer, "%c", &c);
 104     ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
 105     ok(c == 'a', "Field incorrect: '%c'\n", c);
 106
 107     strcpy(buffer," a");
 108     c = 0x55;
 109     ret = sscanf(buffer, "%c", &c);
 110     ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
 111     ok(c == ' ', "Field incorrect: '%c'\n", c);
 112
 113     strcpy(buffer,"18:59");
 114     c = 0x55;
 115     ret = sscanf(buffer, "%d:%d%c", &hour, &min, &c);
 116     ok(ret == 2, "Wrong number of arguments read: %d\n", ret);
 117     ok(hour == 18, "Field 1 incorrect: %d\n", hour);
 118     ok(min == 59, "Field 2 incorrect: %d\n", min);
 119     ok(c == 0x55, "Field 3 incorrect: 0x%02x\n", c);
 120
 121     /* Check %n (also whitespace in format strings and %s) */
 122     buffer[0]=0; buffer1[0]=0;
 123     ret = sscanf("abc   def", "%s %n%s", buffer, &number_so_far, buffer1);
 124     ok(strcmp(buffer, "abc")==0, "First %%s read incorrectly: %s\n", buffer);
 125     ok(strcmp(buffer1,"def")==0, "Second %%s read incorrectly: %s\n", buffer1);
 126     ok(number_so_far==6, "%%n yielded wrong result: %d\n", number_so_far);
 127     ok(ret == 2, "%%n shouldn't count as a conversion: %d\n", ret);
 128 }
 129
 130 START_TEST(scanf)
 131 {
 132     test_sscanf();
 133 }