diff options
Diffstat (limited to 'src/pal/tests/palsuite/filemapping_memmgt/UnlockFile/test4/test4.cpp')
| -rw-r--r-- | src/pal/tests/palsuite/filemapping_memmgt/UnlockFile/test4/test4.cpp | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/filemapping_memmgt/UnlockFile/test4/test4.cpp b/src/pal/tests/palsuite/filemapping_memmgt/UnlockFile/test4/test4.cpp new file mode 100644 index 0000000000..55abcd24bc --- /dev/null +++ b/src/pal/tests/palsuite/filemapping_memmgt/UnlockFile/test4/test4.cpp @@ -0,0 +1,187 @@ +// 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: test4.c +** +** Purpose: Pass an invalid handle to UnlockFile. Pass a null handle to +** UnlockFile. Create a file and lock two consecuative regions and call +** UnlockFile on the whole region (this should fail, see msdn) +** +** +**============================================================*/ + +#include <palsuite.h> +#include "../UnlockFile.h" + +int __cdecl main(int argc, char *argv[]) +{ + HANDLE TheFile = NULL; + const char lpBuffer[] = "This is a test file."; + DWORD bytesWritten; + BOOL bRc = TRUE; + char fileName[] = "testfile.tmp"; + + if(0 != (PAL_Initialize(argc, argv))) + { + return FAIL; + } + + /* Open a file which is in the directory */ + TheFile = CreateFile(fileName, + GENERIC_READ|GENERIC_WRITE, + FILE_SHARE_READ|FILE_SHARE_WRITE, + NULL, + CREATE_ALWAYS, + FILE_ATTRIBUTE_NORMAL, + NULL); + + if (TheFile == INVALID_HANDLE_VALUE) + { + Fail("ERROR: Could not open file '%s' with CreateFile. " + "GetLastError() returned %d.\n",fileName,GetLastError()); + } + + bRc = WriteFile( + TheFile, // handle to file + lpBuffer, // data buffer + (DWORD)sizeof(lpBuffer), // number of bytes to write + &bytesWritten, // number of bytes written + NULL // overlapped buffer + ); + + if(!bRc) + { + Trace("ERROR: Could not write to file '%s' with WriteFile.",fileName); + + if(CloseHandle(TheFile) == 0) + { + Fail("ERROR: CloseHandle failed to close the file."); + } + Fail(""); + + } + else if(bytesWritten != (DWORD)sizeof(lpBuffer)) + { + Trace("ERROR: Could not write the correct number of bytes to the " + "file '%s' with WriteFile.",fileName); + + if(CloseHandle(TheFile) == 0) + { + Fail("ERROR: CloseHandle failed to close the file."); + } + Fail(""); + } + + if(CloseHandle(TheFile) == 0) + { + Fail("ERROR: CloseHandle failed to close the file.\n"); + } + + + /* Test an invalid handle and a NULL handle */ + if(UnlockFile(TheFile, 0, 0, 0, 0) != 0) + { + Fail("ERROR: Called UnlockFile on an invalid HANDLE and it " + "returned a success value.\n"); + } + + if(UnlockFile(NULL, 0, 0, 0, 0) != 0) + { + Fail("ERROR: Called UnlockFile with NULL passed for the HANDLE and " + "it returned a success value.\n"); + } + + /* Re-open the file */ + TheFile = CreateFile(fileName, + GENERIC_READ|GENERIC_WRITE, + FILE_SHARE_READ|FILE_SHARE_WRITE, + NULL, + OPEN_ALWAYS, + FILE_ATTRIBUTE_NORMAL, + NULL); + + if (TheFile == INVALID_HANDLE_VALUE) + { + Fail("ERROR: Could not open file '%s' with CreateFile. " + "GetLastError() returned %d.\n",fileName,GetLastError()); + } + + /* Lock two consecuative regions of this file */ + if(LockFile(TheFile, 0, 0, 5, 0) == 0) + { + Trace("ERROR: LockFile failed attempting to lock bytes 0-4. " + "GetLastError() returned %d.\n",GetLastError()); + + if(CloseHandle(TheFile) == 0) + { + Fail("ERROR: CloseHandle failed to close the file."); + } + Fail(""); + } + + if(LockFile(TheFile, 5, 0, 5, 0) == 0) + { + Fail("ERROR: LockFile failed attempting to lock bytes 5-9. " + "GetLastError() returned %d.\n",GetLastError()); + + if(CloseHandle(TheFile) == 0) + { + Fail("ERROR: CloseHandle failed to close the file."); + } + Fail(""); + } + + /* Attempt to unlock the entire region which was locked with one + call to UnlockFile. This should fail. + */ + if(UnlockFile(TheFile, 0, 0, 10, 0) != 0) + { + Fail("ERROR: Called UnlockFile on bytes 0-9 which were locked with " + "two seperate LockFile calls. This should have failed. " + "UnlockFile will not unlock consecuative locked regions.\n"); + + if(CloseHandle(TheFile) == 0) + { + Fail("ERROR: CloseHandle failed to close the file."); + } + Fail(""); + } + + + /* Now, unlock the regions one at a time. */ + if(UnlockFile(TheFile, 0, 0, 5, 0) == 0) + { + Fail("ERROR: UnlockFile failed when attempting to unlock bytes " + "0-4 of the file. GetLastError() returned %d.\n",GetLastError()); + + if(CloseHandle(TheFile) == 0) + { + Fail("ERROR: CloseHandle failed to close the file."); + } + Fail(""); + } + + if(UnlockFile(TheFile, 5, 0, 5, 0) == 0) + { + Fail("ERROR: UnlockFile failed when attempting to unlock bytes " + "5-9 of the file. GetLastError() returned %d.\n",GetLastError()); + + if(CloseHandle(TheFile) == 0) + { + Fail("ERROR: CloseHandle failed to close the file."); + } + Fail(""); + } + + if(CloseHandle(TheFile) == 0) + { + Fail("ERROR: CloseHandle failed to close the file.\n"); + } + + PAL_Terminate(); + return PASS; +} + |