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We detect that the NULL pointer is handled separately because no exception is generated, contrary to when the function is called with truly invalid pointers. I thank Mark for having mentioned the vectored exception handling to me, needed to catch first-chance exceptions. svn path=/trunk/; revision=74118
57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/*
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* PROJECT: ReactOS api tests
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* LICENSE: GPLv2+ - See COPYING in the top level directory
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* PURPOSE: Tests for lstrlenA/W
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* PROGRAMMER: Hermes Belusca-Maito
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*/
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#include <apitest.h>
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#define WIN32_NO_STATUS
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#include <stdio.h>
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LONG WINAPI VEHandler_1(PEXCEPTION_POINTERS ExceptionInfo)
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{
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/*
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* Vectored Exception Handler possibly called for lstrlen(NULL).
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* Expected not to be called!
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*/
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ok(FALSE, "VEHandler_1 called!\n");
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return EXCEPTION_CONTINUE_SEARCH;
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}
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LONG WINAPI VEHandler_2(PEXCEPTION_POINTERS ExceptionInfo)
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{
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/* Vectored Exception Handler that should be called for lstrlen(<invalid_ptr>) */
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ok(TRUE, "VEHandler_2 not called?\n");
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return EXCEPTION_CONTINUE_SEARCH;
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}
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START_TEST(lstrlen)
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{
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PVOID pVEH;
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/* Test basic functionality */
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ok(lstrlenA( "Hello World!") == 12, "lstrlenA failed!\n");
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ok(lstrlenW(L"Hello World!") == 12, "lstrlenW failed!\n");
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/*
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* NULL buffer is special and is considered separately;
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* no internal exception is generated.
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* Use Vectored Exception Handling to monitor for first-chance exceptions.
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*/
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pVEH = AddVectoredExceptionHandler(1, VEHandler_1);
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ok(lstrlenA(NULL) == 0, "lstrlenA should have returned 0.\n");
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ok(lstrlenW(NULL) == 0, "lstrlenW should have returned 0.\n");
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RemoveVectoredExceptionHandler(pVEH);
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/*
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* Test some invalid buffers. Internal exceptions should be generated.
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* Use Vectored Exception Handling to monitor for first-chance exceptions.
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*/
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pVEH = AddVectoredExceptionHandler(1, VEHandler_2);
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ok(lstrlenA( (LPSTR)0xbaadf00d) == 0, "lstrlenA should have returned 0.\n");
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ok(lstrlenW((LPWSTR)0xbaadf00d) == 0, "lstrlenW should have returned 0.\n");
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RemoveVectoredExceptionHandler(pVEH);
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}
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