diff options
Diffstat (limited to 'src/pal/tests/palsuite/file_io/SetFilePointer/test3/SetFilePointer.cpp')
| -rw-r--r-- | src/pal/tests/palsuite/file_io/SetFilePointer/test3/SetFilePointer.cpp | 350 |
1 files changed, 350 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/file_io/SetFilePointer/test3/SetFilePointer.cpp b/src/pal/tests/palsuite/file_io/SetFilePointer/test3/SetFilePointer.cpp new file mode 100644 index 0000000000..dd53829629 --- /dev/null +++ b/src/pal/tests/palsuite/file_io/SetFilePointer/test3/SetFilePointer.cpp @@ -0,0 +1,350 @@ +// 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 3) +** +** Purpose: Tests the PAL implementation of the SetFilePointer function. +** Test the FILE_CURRENT option +** +** Assumes Successful: +** CreateFile +** ReadFile +** WriteFile +** strlen +** CloseHandle +** strcmp +** GetFileSize +** +** +**===================================================================*/ + +#include <palsuite.h> + +const char* const 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 dwRc = 0; + BOOL bRc = FALSE; + char szBuffer[100]; + const char* szPtr; + + + 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; + } + + /* reset the pointer to the beginning */ + if (SetFilePointer(hFile, 0, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) + { + if (GetLastError() != ERROR_SUCCESS) + { + Trace("SetFilePointer: ERROR -> Unable to reset the pointer to the " + "beginning of the file"); + 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 beginning which should fail */ + dwRc = SetFilePointer(hFile, -1, NULL, FILE_CURRENT); + if ((dwRc != INVALID_SET_FILE_POINTER) || + (GetLastError() == ERROR_SUCCESS)) + { + Trace("SetFilePointer: ERROR -> Succeeded to move the pointer " + "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; + } + + + /* move the file pointer 0 bytes from the beginning and verify */ + dwRc = SetFilePointer(hFile, 0, NULL, FILE_CURRENT); + if (dwRc != 0) + { + Trace("SetFilePointer: ERROR -> Asked to move 0 bytes from the " + "beginning of the file but moved %ld bytes.\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 ahead in the file and verify */ + dwRc = SetFilePointer(hFile, 20, NULL, FILE_CURRENT); + if (dwRc != 20) + { + Trace("SetFilePointer: ERROR -> Asked to move 20 bytes from the " + "beginning of the file but moved %ld bytes.\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; + } + else + { + /* verify results */ + memset(szBuffer, 0, 100); + bRc = ReadFile(hFile, szBuffer, (DWORD)strlen(szText)-20, &dwByteCount, + NULL); + if ((bRc != TRUE) || (dwByteCount != strlen(szText)-20)) + { + Trace("SetFilePointer: ERROR -> ReadFile failed to read correctly"); + 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; + } + szPtr = szText + 20;; + if (strcmp(szPtr, szBuffer) != 0) + { + Trace("SetFilePointer: ERROR -> Apparently failed to move the" + " pointer properly\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; + } + } + + + /* get the current file pointer position (should be 52) */ + dwRc = SetFilePointer(hFile, 0, NULL, FILE_CURRENT); + if (dwRc != 52) + { + Trace("SetFilePointer: ERROR -> Asked for current position." + " Should be 52 but was %ld.\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 backwards in the file and verify */ + dwRc = SetFilePointer(hFile, -10, NULL, FILE_CURRENT); + if (dwRc != 42) + { + Trace("SetFilePointer: ERROR -> Asked to move back 10 bytes from the" + "end of the file but moved it to position %ld.\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; + } + else + { + /* verify results */ + memset(szBuffer, 0, 100); + bRc = ReadFile(hFile, szBuffer, 10, &dwByteCount, NULL); + if ((bRc != TRUE) || (dwByteCount != 10)) + { + Trace("SetFilePointer: ERROR -> ReadFile failed to read correctly"); + 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; + } + szPtr = szText + 42; + if (strcmp(szPtr, szBuffer) != 0) + { + Trace("SetFilePointer: ERROR -> Apparently failed to move the" + " pointer properly\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; + } + } + + /* + * the file pointer is currently at the end of the file so... + * set the pointer past the end of the file and verify + */ + dwRc = SetFilePointer(hFile, 20, NULL, FILE_CURRENT); + if ((dwRc == INVALID_SET_FILE_POINTER) && (GetLastError() != ERROR_SUCCESS)) + { + Trace("SetFilePointer: ERROR -> Failed to move pointer past 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 + { + if (SetFilePointer(hFile, 0, NULL, FILE_CURRENT) != strlen(szText)+20) + { + Trace("SetFilePointer: ERROR -> Failed to move pointer past" + " 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; + } + } + + 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; +} |