diff options
Diffstat (limited to 'src/pal/tests/palsuite/file_io/SetFilePointer/test4/SetFilePointer.cpp')
| -rw-r--r-- | src/pal/tests/palsuite/file_io/SetFilePointer/test4/SetFilePointer.cpp | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/file_io/SetFilePointer/test4/SetFilePointer.cpp b/src/pal/tests/palsuite/file_io/SetFilePointer/test4/SetFilePointer.cpp new file mode 100644 index 0000000000..2993cfd354 --- /dev/null +++ b/src/pal/tests/palsuite/file_io/SetFilePointer/test4/SetFilePointer.cpp @@ -0,0 +1,242 @@ +// 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: SetFilePointer.c (test 4) +** +** Purpose: Tests the PAL implementation of the SetFilePointer function. +** Test the FILE_END option +** +** Assumes Successful: +** CreateFile +** ReadFile +** WriteFile +** strlen +** CloseHandle +** strcmp +** GetFileSize +** +** +**===================================================================*/ + +#include <palsuite.h> + +const char* szText = "The quick brown fox jumped over the lazy dog's back."; +const char* szTextFile = "text.txt"; + + +int __cdecl main(int argc, char *argv[]) +{ + HANDLE hFile = NULL; + DWORD dwByteCount = 0; + DWORD dwOffset = 0; + DWORD dwRc = 0; + BOOL bRc = FALSE; + + if (0 != PAL_Initialize(argc,argv)) + { + return FAIL; + } + + /* create a test file */ + hFile = CreateFile(szTextFile, + GENERIC_READ | GENERIC_WRITE, + FILE_SHARE_READ | FILE_SHARE_WRITE, + NULL, + CREATE_ALWAYS, + FILE_ATTRIBUTE_NORMAL, + NULL); + + if(hFile == INVALID_HANDLE_VALUE) + { + Fail("SetFilePointer: ERROR -> Unable to create file \"%s\".\n", + szTextFile); + } + + bRc = WriteFile(hFile, szText, (DWORD)strlen(szText), &dwByteCount, NULL); + if (bRc == FALSE) + { + Trace("SetFilePointer: ERROR -> Unable to write to file \"%s\".\n", + szTextFile); + if (CloseHandle(hFile) != TRUE) + { + Trace("SetFilePointer: ERROR -> Unable to close file \"%s\".\n", + szTextFile); + } + if (!DeleteFileA(szTextFile)) + { + Trace("SetFilePointer: ERROR -> Unable to delete file \"%s\".\n", + szTextFile); + } + PAL_TerminateEx(FAIL); + return FAIL; + } + + + /* + * move -1 from the end + */ + dwRc = SetFilePointer(hFile, -1, NULL, FILE_END); + if (dwRc == INVALID_SET_FILE_POINTER) + { + if (GetLastError() != ERROR_SUCCESS) + { + Trace("SetFilePointer: ERROR -> Failed to move the pointer " + "back one character from EOF.\n"); + if (CloseHandle(hFile) != TRUE) + { + Trace("SetFilePointer: ERROR -> Unable to close file" + " \"%s\".\n", szTextFile); + } + if (!DeleteFileA(szTextFile)) + { + Trace("SetFilePointer: ERROR -> Unable to delete file" + " \"%s\".\n", szTextFile); + } + PAL_TerminateEx(FAIL); + return FAIL; + } + } + else + { + /* verify */ + if ((dwRc != strlen(szText)-1)) + { + Trace("SetFilePointer: ERROR -> Failed to move the pointer" + " -1 bytes from EOF\n"); + if (CloseHandle(hFile) != TRUE) + { + Trace("SetFilePointer: ERROR -> Unable to close file" + " \"%s\".\n", szTextFile); + } + if (!DeleteFileA(szTextFile)) + { + Trace("SetFilePointer: ERROR -> Unable to delete file" + " \"%s\".\n", szTextFile); + } + PAL_TerminateEx(FAIL); + return FAIL; + } + } + + /* + * move the file pointer 0 bytes from the end and verify + */ + dwRc = SetFilePointer(hFile, 0, NULL, FILE_END); + if (dwRc != strlen(szText)) + { + Trace("SetFilePointer: ERROR -> Asked to move 0 bytes from the " + "end of the file. Function returned %ld instead of 52.\n", dwRc); + if (CloseHandle(hFile) != TRUE) + { + Trace("SetFilePointer: ERROR -> Unable to close file \"%s\".\n", + szTextFile); + } + if (!DeleteFileA(szTextFile)) + { + Trace("SetFilePointer: ERROR -> Unable to delete file \"%s\".\n", + szTextFile); + } + PAL_TerminateEx(FAIL); + return FAIL; + } + + /* + * move the pointer past the end of the file and verify + */ + dwRc = SetFilePointer(hFile, 20, NULL, FILE_END); + if (dwRc != strlen(szText)+20) + { + Trace("SetFilePointer: ERROR -> Asked to move 20 bytes past the " + "end of the file. Function returned %ld instead of %d.\n", + dwRc, + strlen(szText)+20); + if (CloseHandle(hFile) != TRUE) + { + Trace("SetFilePointer: ERROR -> Unable to close file \"%s\".\n", + szTextFile); + } + if (!DeleteFileA(szTextFile)) + { + Trace("SetFilePointer: ERROR -> Unable to delete file \"%s\".\n", + szTextFile); + } + PAL_TerminateEx(FAIL); + return FAIL; + } + else + { + /* verify results */ + bRc = SetEndOfFile(hFile); + if ((dwRc = GetFileSize(hFile, NULL)) != strlen(szText)+20) + { + Trace("SetFilePointer: ERROR -> Asked to move back 20 bytes past" + " theend of the file. GetFileSize returned %ld whereas it " + "should have been %d.\n", + dwRc, + strlen(szText)+20); + if (CloseHandle(hFile) != TRUE) + { + Trace("SetFilePointer: ERROR -> Unable to close file" + " \"%s\".\n", szTextFile); + } + if (!DeleteFileA(szTextFile)) + { + Trace("SetFilePointer: ERROR -> Unable to delete file" + " \"%s\".\n", szTextFile); + } + PAL_TerminateEx(FAIL); + return FAIL; + } + } + + + /* + * move the pointer backwards to before the start of the file and verify + */ + + dwOffset = (dwRc + 20) * -1; + dwRc = SetFilePointer(hFile, dwOffset, NULL, FILE_END); + if ((dwRc != INVALID_SET_FILE_POINTER) || + (GetLastError() == ERROR_SUCCESS)) + { + Trace("SetFilePointer: ERROR -> Was able to move the pointer " + "to before the beginning of the file.\n"); + if (CloseHandle(hFile) != TRUE) + { + Trace("SetFilePointer: ERROR -> Unable to close file \"%s\".\n", + szTextFile); + } + if (!DeleteFileA(szTextFile)) + { + Trace("SetFilePointer: ERROR -> Unable to delete file \"%s\".\n", + szTextFile); + } + PAL_TerminateEx(FAIL); + return FAIL; + } + + + if (CloseHandle(hFile) != TRUE) + { + Trace("SetFilePointer: ERROR -> Unable to close file \"%s\".\n", + szTextFile); + if (!DeleteFileA(szTextFile)) + { + Trace("SetFilePointer: ERROR -> Unable to delete file \"%s\".\n", + szTextFile); + } + PAL_TerminateEx(FAIL); + return FAIL; + } + + if (!DeleteFileA(szTextFile)) + { + Fail("SetFilePointer: ERROR -> Unable to delete file \"%s\".\n", + szTextFile); + } + PAL_Terminate(); + return PASS; +} |