dlls/msvcrt/tests/string.c

   1 /*
   2  * Unit test suite for string functions.
   3  *
   4  * Copyright 2004 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 "wine/test.h"
  22 #include "winbase.h"
  23 #include <string.h>
  24 #include <mbstring.h>
  25 #include <stdlib.h>
  26 #include <mbctype.h>
  27
  28 static void* (*pmemcpy)(void *, const void *, size_t n);
  29 static int* (*pmemcmp)(void *, const void *, size_t n);
  30
  31 #define SETNOFAIL(x,y) x = (void*)GetProcAddress(hMsvcrt,y)
  32 #define SET(x,y) SETNOFAIL(x,y); ok(x != NULL, "Export '%s' not found\n", y)
  33
  34 static void test_swab( void ) {
  35     char original[]  = "BADCFEHGJILKNMPORQTSVUXWZY@#";
  36     char expected1[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ@#";
  37     char expected2[] = "ABCDEFGHIJKLMNOPQRSTUVWX$";
  38     char expected3[] = "$";
  39
  40     char from[30];
  41     char to[30];
  42
  43     int testsize;
  44
  45     /* Test 1 - normal even case */
  46     memset(to,'$', sizeof(to));
  47     memset(from,'@', sizeof(from));
  48     testsize = 26;
  49     memcpy(from, original, testsize);
  50     _swab( from, to, testsize );
  51     ok(memcmp(to,expected1,testsize) == 0, "Testing even size %d returned '%*.*s'\n", testsize, testsize, testsize, to);
  52
  53     /* Test 2 - uneven case  */
  54     memset(to,'$', sizeof(to));
  55     memset(from,'@', sizeof(from));
  56     testsize = 25;
  57     memcpy(from, original, testsize);
  58     _swab( from, to, testsize );
  59     ok(memcmp(to,expected2,testsize) == 0, "Testing odd size %d returned '%*.*s'\n", testsize, testsize, testsize, to);
  60
  61     /* Test 3 - from = to */
  62     memset(to,'$', sizeof(to));
  63     memset(from,'@', sizeof(from));
  64     testsize = 26;
  65     memcpy(to, original, testsize);
  66     _swab( to, to, testsize );
  67     ok(memcmp(to,expected1,testsize) == 0, "Testing overlapped size %d returned '%*.*s'\n", testsize, testsize, testsize, to);
  68
  69     /* Test 4 - 1 bytes */
  70     memset(to,'$', sizeof(to));
  71     memset(from,'@', sizeof(from));
  72     testsize = 1;
  73     memcpy(from, original, testsize);
  74     _swab( from, to, testsize );
  75     ok(memcmp(to,expected3,testsize) == 0, "Testing small size %d returned '%*.*s'\n", testsize, testsize, testsize, to);
  76 }
  77
  78 void test_ismbblead(void)
  79 {
  80     unsigned int s = '\354';
  81
  82     _setmbcp(936);
  83     todo_wine ok(_ismbblead(s), "got result %d\n", _ismbblead(s));
  84     _setmbcp(1252);
  85 }
  86
  87 static void test_mbsspn( void)
  88 {
  89     unsigned char str1[]="cabernet";
  90     unsigned char str2[]="shiraz";
  91     unsigned char set[]="abc";
  92     unsigned char empty[]="";
  93     int ret;
  94     ret=_mbsspn( str1, set);
  95     ok( ret==3, "_mbsspn returns %d should be 3\n", ret);
  96     ret=_mbsspn( str2, set);
  97     ok( ret==0, "_mbsspn returns %d should be 0\n", ret);
  98     ret=_mbsspn( str1, empty);
  99     ok( ret==0, "_mbsspn returns %d should be 0\n", ret);
 100 }
 101
 102 START_TEST(string)
 103 {
 104     void *mem;
 105     static const char xilstring[]="c:/xilinx";
 106     int nLen=strlen(xilstring);
 107     HMODULE hMsvcrt = LoadLibraryA("msvcrt.dll");
 108     ok(hMsvcrt != 0, "LoadLibraryA failed\n");
 109     SET(pmemcpy,"memcpy");
 110     SET(pmemcmp,"memcmp");
 111
 112     /* MSVCRT memcpy behaves like memmove for overlapping moves,
 113        MFC42 CString::Insert seems to rely on that behaviour */
 114     mem = malloc(100);
 115     ok(mem != NULL, "memory not allocated for size 0\n");
 116     strcpy((char*)mem,xilstring);
 117     pmemcpy((char*)mem+5, mem,nLen+1);
 118     ok(pmemcmp((char*)mem+5,xilstring, nLen) == 0,
 119        "Got result %s\n",(char*)mem+5);
 120
 121     /* Test _swab function */
 122     test_swab();
 123
 124     /* Test ismbblead*/
 125     test_ismbblead();
 126    /* test _mbsspn */
 127     test_mbsspn();
 128 }