modules/rostests/apitests/kernel32/lstrlen.c

   1 /*
   2  * PROJECT:         ReactOS api tests
   3  * LICENSE:         GPLv2+ - See COPYING in the top level directory
   4  * PURPOSE:         Tests for lstrlenA/W
   5  * PROGRAMMER:      Hermes Belusca-Maito
   6  */
   7
   8 #include <apitest.h>
   9
  10 #define WIN32_NO_STATUS
  11 #include <stdio.h>
  12
  13 LONG WINAPI VEHandler_1(PEXCEPTION_POINTERS ExceptionInfo)
  14 {
  15     /*
  16      * Vectored Exception Handler possibly called for lstrlen(NULL).
  17      * Expected not to be called!
  18      */
  19     ok(FALSE, "VEHandler_1 called!\n");
  20     return EXCEPTION_CONTINUE_SEARCH;
  21 }
  22
  23 LONG WINAPI VEHandler_2(PEXCEPTION_POINTERS ExceptionInfo)
  24 {
  25     /* Vectored Exception Handler that should be called for lstrlen(<invalid_ptr>) */
  26     ok(TRUE, "VEHandler_2 not called?\n");
  27     return EXCEPTION_CONTINUE_SEARCH;
  28 }
  29
  30 START_TEST(lstrlen)
  31 {
  32     PVOID pVEH;
  33
  34     /* Test basic functionality */
  35     ok(lstrlenA( "Hello World!") == 12, "lstrlenA failed!\n");
  36     ok(lstrlenW(L"Hello World!") == 12, "lstrlenW failed!\n");
  37
  38     /*
  39      * NULL buffer is special and is considered separately;
  40      * no internal exception is generated.
  41      * Use Vectored Exception Handling to monitor for first-chance exceptions.
  42      */
  43 pVEH = AddVectoredExceptionHandler(1, VEHandler_1);
  44     ok(lstrlenA(NULL) == 0, "lstrlenA should have returned 0.\n");
  45     ok(lstrlenW(NULL) == 0, "lstrlenW should have returned 0.\n");
  46 RemoveVectoredExceptionHandler(pVEH);
  47
  48     /*
  49      * Test some invalid buffers. Internal exceptions should be generated.
  50      * Use Vectored Exception Handling to monitor for first-chance exceptions.
  51      */
  52 pVEH = AddVectoredExceptionHandler(1, VEHandler_2);
  53     ok(lstrlenA( (LPSTR)0xbaadf00d) == 0, "lstrlenA should have returned 0.\n");
  54     ok(lstrlenW((LPWSTR)0xbaadf00d) == 0, "lstrlenW should have returned 0.\n");
  55 RemoveVectoredExceptionHandler(pVEH);
  56 }