diff options
Diffstat (limited to 'src/pal/tests/palsuite/filemapping_memmgt/UnlockFile/test2/test2.cpp')
-rw-r--r-- | src/pal/tests/palsuite/filemapping_memmgt/UnlockFile/test2/test2.cpp | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/filemapping_memmgt/UnlockFile/test2/test2.cpp b/src/pal/tests/palsuite/filemapping_memmgt/UnlockFile/test2/test2.cpp new file mode 100644 index 0000000000..22c2cce2fb --- /dev/null +++ b/src/pal/tests/palsuite/filemapping_memmgt/UnlockFile/test2/test2.cpp @@ -0,0 +1,154 @@ +// 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: test2.c +** +** Purpose: Open a file, and call Unlock on the file, even though it has yet +** to be locked. Then lock a portion of the file, and attempt to call unlock +** on a larger portion of the file. Also, try to unlock a smaller portion +** than was locked. +** +** +**============================================================*/ + +#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(""); + } + + /* Call unlock file on an unlocked file, this should return 0 */ + if(UnlockFile(TheFile, 0, 0, 5, 0) != 0) + { + Trace("ERROR: Attempted to unlock a file which was not locked and " + "the UnlockFile call was successful.\n"); + + if(CloseHandle(TheFile) == 0) + { + Fail("ERROR: CloseHandle failed to close the file."); + } + Fail(""); + } + + /* Lock the file */ + if(LockFile(TheFile, 0, 0, 5, 0) == 0) + { + Trace("ERROR: Failed to call LockFile on a valid file handle. " + "GetLastError returned %d.\n",GetLastError()); + + if(CloseHandle(TheFile) == 0) + { + Fail("ERROR: CloseHandle failed to close the file."); + } + Fail(""); + } + + /* Try to unlock more of the file than was locked by LockFile */ + if(UnlockFile(TheFile, 0, 0, 10, 0) != 0) + { + Trace("ERROR: Attempted to unlock bytes 0 to 9, but only bytes " + "0 to 4 are locked. But, UnlockFile was successful, when it " + "should have failed.\n"); + + if(CloseHandle(TheFile) == 0) + { + Fail("ERROR: CloseHandle failed to close the file."); + } + Fail(""); + } + + /* Try to unlock less of the file than was locked by LockFile */ + if(UnlockFile(TheFile, 0, 0, 3, 0) != 0) + { + Trace("ERROR: Attempted to unlock bytes 0 to 2, but the bytes 0 to " + "4 were locked by LockFile. Unlockfile should have failed " + "when attempting this operation.\n"); + + if(CloseHandle(TheFile) == 0) + { + Fail("ERROR: CloseHandle failed to close the file."); + } + Fail(""); + } + + /* Properly unlock the file */ + if(UnlockFile(TheFile, 0, 0, 5, 0) == 0) + { + Trace("ERROR: UnlockFile failed to unlock bytes 0 to 4 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; +} + |