diff options
Diffstat (limited to 'src/pal/tests/palsuite/file_io/ReadFile/test1/ReadFile.cpp')
-rw-r--r-- | src/pal/tests/palsuite/file_io/ReadFile/test1/ReadFile.cpp | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/file_io/ReadFile/test1/ReadFile.cpp b/src/pal/tests/palsuite/file_io/ReadFile/test1/ReadFile.cpp new file mode 100644 index 0000000000..a59e29212e --- /dev/null +++ b/src/pal/tests/palsuite/file_io/ReadFile/test1/ReadFile.cpp @@ -0,0 +1,82 @@ +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. +// See the LICENSE file in the project root for more information. + +/*===================================================================== +** +** Source: ReadFile.c (test 1) +** +** Purpose: Tests the PAL implementation of the ReadFile function. +** This test will attempt to read from a NULL handle and from +** a file without read permissions set. +** +** +**===================================================================*/ + +#include <palsuite.h> + + +int __cdecl main(int argc, char *argv[]) +{ + HANDLE hFile = NULL; + DWORD dwByteCount = 0; + DWORD dwBytesRead = 0; + BOOL bRc = FALSE; + char szBuffer[256]; + char* szNonReadableFile = {"nonreadablefile.txt"}; + + if (0 != PAL_Initialize(argc,argv)) + { + return FAIL; + } + + memset(szBuffer, 0, 256); + + /* Read from a NULL handle + */ + + bRc = ReadFile(hFile, szBuffer, 20, &dwBytesRead, NULL); + + if (bRc == TRUE) + { + Fail("ReadFile: ERROR -> Able to read from a NULL handle\n"); + } + + + /* Read from a file without read permissions + */ + +#if WIN32 + +#else + /* attempt to read from the unreadable file + * open a file without read permissions + */ + hFile = CreateFile(szNonReadableFile, + GENERIC_WRITE, + FILE_SHARE_WRITE, + NULL, + OPEN_EXISTING, + FILE_ATTRIBUTE_NORMAL, + NULL); + + if(hFile == INVALID_HANDLE_VALUE) + { + dwByteCount = GetLastError(); + Fail("ReadFile: ERROR -> Unable to create file \"%s\".\n", + szNonReadableFile); + } + + bRc = ReadFile(hFile, szBuffer, 20, &dwBytesRead, NULL); + + if (bRc == TRUE) + { + Fail("ReadFile: ERROR -> Able to read from a file without read " + "permissions\n"); + } +#endif + + + PAL_Terminate(); + return PASS; +} |