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