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authorJiyoung Yun <jy910.yun@samsung.com>2016-12-27 07:46:08 (GMT)
committerJiyoung Yun <jy910.yun@samsung.com>2016-12-27 07:46:08 (GMT)
commitdb20f3f1bb8595633a7e16c8900fd401a453a6b5 (patch)
treee5435159cd1bf0519276363a6fe1663d1721bed3 /src/pal/tests/palsuite/file_io/SetEndOfFile/test5/test5.cpp
parent4b4aad7217d3292650e77eec2cf4c198ea9c3b4b (diff)
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Imported Upstream version 1.0.0.9127upstream/1.0.0.9127
Diffstat (limited to 'src/pal/tests/palsuite/file_io/SetEndOfFile/test5/test5.cpp')
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diff --git a/src/pal/tests/palsuite/file_io/SetEndOfFile/test5/test5.cpp b/src/pal/tests/palsuite/file_io/SetEndOfFile/test5/test5.cpp
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+// 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: test5.c
+**
+** Purpose: Tests the PAL implementation of the SetEndOfFile function.
+** Test attempts to read the number of characters up to
+** the EOF pointer, which was specified.
+**
+**
+**===================================================================*/
+
+#include <palsuite.h>
+
+int __cdecl main(int argc, char *argv[])
+{
+ HANDLE hFile = NULL;
+ DWORD dwBytesWritten;
+ DWORD retCode;
+ BOOL bRc = FALSE;
+ char szBuffer[256];
+ DWORD dwBytesRead = 0;
+ char testFile[] = "testfile.tmp";
+ char testString[] = "watch what happens";
+ LONG shiftAmount = 10;
+
+ /* Initialize the PAL.
+ */
+ if (0 != PAL_Initialize(argc,argv))
+ {
+ return FAIL;
+ }
+
+ /* Initialize the buffer.
+ */
+ memset(szBuffer, 0, 256);
+
+ /* Create a file to test with.
+ */
+ hFile = CreateFile(testFile,
+ GENERIC_WRITE|GENERIC_READ,
+ FILE_SHARE_WRITE|FILE_SHARE_READ,
+ NULL,
+ CREATE_ALWAYS,
+ FILE_ATTRIBUTE_NORMAL,
+ NULL);
+
+ if(hFile == INVALID_HANDLE_VALUE)
+ {
+ Fail("ERROR:%u: Unable to create file \"%s\".\n",
+ GetLastError(),
+ testFile);
+ }
+
+ /* Write to the File handle.
+ */
+ bRc = WriteFile(hFile,
+ testString,
+ strlen(testString),
+ &dwBytesWritten,
+ NULL);
+
+ if (bRc == FALSE)
+ {
+ Trace("ERROR:%u: Unable to write to file handle "
+ "hFile=0x%lx\n",
+ GetLastError(),
+ hFile);
+ if (!CloseHandle(hFile))
+ {
+ Fail("ERROR:%u%: Unable to close handle 0x%lx.\n",
+ GetLastError(),
+ hFile);
+ }
+ Fail("");
+ }
+
+ /* Set the file pointer to shiftAmount bytes from the front of the file
+ */
+ retCode = SetFilePointer(hFile, shiftAmount, NULL, FILE_BEGIN);
+ if(retCode == INVALID_SET_FILE_POINTER)
+ {
+ Trace("ERROR:%u: Unable to set the file pointer to %d\n",
+ GetLastError(),
+ shiftAmount);
+ if (!CloseHandle(hFile))
+ {
+ Fail("ERROR:%u%: Unable to close handle 0x%lx.\n",
+ GetLastError(),
+ hFile);
+ }
+ Fail("");
+ }
+
+ /* set the end of file pointer to 'shiftAmount' */
+ bRc = SetEndOfFile(hFile);
+ if (bRc == FALSE)
+ {
+ Trace("ERROR:%u: Unable to set file pointer of file handle 0x%lx.\n",
+ GetLastError(),
+ hFile);
+ if (!CloseHandle(hFile))
+ {
+ Fail("ERROR:%u%: Unable to close handle 0x%lx.\n",
+ GetLastError(),
+ hFile);
+ }
+ Fail("");
+ }
+
+ /* Set the file pointer to 10 bytes from the front of the file
+ */
+ retCode = SetFilePointer(hFile, (LONG)NULL, NULL, FILE_BEGIN);
+ if(retCode == INVALID_SET_FILE_POINTER)
+ {
+ Trace("ERROR:%u: Unable to set the file pointer to %d\n",
+ GetLastError(),
+ FILE_BEGIN);
+ if (!CloseHandle(hFile))
+ {
+ Fail("ERROR:%u%: Unable to close handle 0x%lx.\n",
+ GetLastError(),
+ hFile);
+ }
+ Fail("");
+ }
+
+ /* Attempt to read the entire string, 'testString' from a file
+ * that has it's end of pointer set at shiftAmount;
+ */
+ bRc = ReadFile(hFile,
+ szBuffer,
+ strlen(testString),
+ &dwBytesRead,
+ NULL);
+
+ if (bRc == FALSE)
+ {
+ Trace("ERROR:%u: Unable to read from file handle 0x%lx.\n",
+ GetLastError(),
+ hFile);
+ if (!CloseHandle(hFile))
+ {
+ Fail("ERROR:%u%: Unable to close handle 0x%lx.\n",
+ GetLastError(),
+ hFile);
+ }
+ Fail("");
+ }
+
+ /* Confirm the number of bytes read with that requested.
+ */
+ if (dwBytesRead != shiftAmount)
+ {
+ Trace("ERROR: The number of bytes read \"%d\" is not equal to the "
+ "number that should have been written \"%d\".\n",
+ dwBytesRead,
+ shiftAmount);
+ if (!CloseHandle(hFile))
+ {
+ Fail("ERROR:%u%: Unable to close handle 0x%lx.\n",
+ GetLastError(),
+ hFile);
+ }
+ Fail("");
+ }
+
+ bRc = CloseHandle(hFile);
+ if(!bRc)
+ {
+ Fail("ERROR:%u CloseHandle failed to close the handle\n",
+ GetLastError());
+ }
+
+ /* Terminate the PAL.
+ */
+ PAL_Terminate();
+ return PASS;
+}
+