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-rw-r--r--src/pal/tests/palsuite/file_io/SetEndOfFile/test4/setendoffile.cpp138
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diff --git a/src/pal/tests/palsuite/file_io/SetEndOfFile/test4/setendoffile.cpp b/src/pal/tests/palsuite/file_io/SetEndOfFile/test4/setendoffile.cpp
new file mode 100644
index 0000000..98a6ec6
--- /dev/null
+++ b/src/pal/tests/palsuite/file_io/SetEndOfFile/test4/setendoffile.cpp
@@ -0,0 +1,138 @@
+// 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: setendoffile.c (test 4)
+**
+** Purpose: Tests the PAL implementation of the SetEndOfFile function.
+** Verify that the file pointer is the same before
+** and after a SetEndOfFile using SetFilePointer with
+** FILE_BEGIN, FILE_CURRENT and FILE_END
+**
+**
+**===================================================================*/
+
+#include <palsuite.h>
+
+
+const char* szStringTest = "The quick fox jumped over the lazy dog's back.";
+const char* szTextFile = "test.tmp";
+
+static void Cleanup(HANDLE hFile)
+{
+ if (!CloseHandle(hFile))
+ {
+ Trace("SetEndOfFile: ERROR -> Unable to close file \"%s\". ",
+ "GetLastError returned %u.\n",
+ szTextFile,
+ GetLastError());
+ }
+ if (!DeleteFileA(szTextFile))
+ {
+ Trace("SetEndOfFile: ERROR -> Unable to delete file \"%s\". ",
+ "GetLastError returned %u.\n",
+ szTextFile,
+ GetLastError());
+ }
+}
+
+static void DoTest(HANDLE hFile, DWORD dwOffset, DWORD dwMethod)
+{
+ DWORD dwFP1 = 0;
+ DWORD dwFP2 = 0;
+ DWORD dwError;
+
+ /* set the pointer*/
+ dwFP1 = SetFilePointer(hFile, dwOffset, NULL, dwMethod);
+ if ((dwFP1 == INVALID_SET_FILE_POINTER) &&
+ ((dwError = GetLastError()) != ERROR_SUCCESS))
+ {
+ Trace("SetEndOfFile: ERROR -> Unable to set the pointer to the "
+ "end of the file. GetLastError returned %u.\n",
+ dwError);
+ Cleanup(hFile);
+ Fail("");
+ }
+
+ /* set EOF */
+ if (!SetEndOfFile(hFile))
+ {
+ Trace("SetEndOfFile: ERROR -> Unable to set end of file. "
+ "GetLastError returned %u.\n",
+ GetLastError());
+ Cleanup(hFile);
+ Fail("");
+ }
+
+ /* get current file pointer pointer */
+ dwFP2 = SetFilePointer(hFile, 0, NULL, FILE_CURRENT);
+ if ((dwFP1 == INVALID_SET_FILE_POINTER) &&
+ ((dwError = GetLastError()) != ERROR_SUCCESS))
+ {
+ Trace("SetEndOfFile: ERROR -> Unable to set the pointer to the "
+ "end of the file. GetLastError returned %u.\n",
+ dwError);
+ Cleanup(hFile);
+ Fail("");
+ }
+
+ /* are they the same? */
+ if (dwFP1 != dwFP2)
+ {
+ Trace("SetEndOfFile: ERROR -> File pointer before (%u) the "
+ "SetEndOfFile call was different than after (%u).\n",
+ dwFP1,
+ dwFP2);
+ Cleanup(hFile);
+ Fail("");
+ }
+}
+
+int __cdecl main(int argc, char *argv[])
+{
+ HANDLE hFile = NULL;
+ DWORD dwBytesWritten;
+
+ 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,
+ OPEN_ALWAYS,
+ FILE_ATTRIBUTE_NORMAL,
+ NULL);
+
+ if(hFile == INVALID_HANDLE_VALUE)
+ {
+ Fail("SetEndOfFile: ERROR -> Unable to create file \"%s\". "
+ "GetLastError returned %u.\n",
+ szTextFile,
+ GetLastError());
+ }
+
+ if (!WriteFile(hFile, szStringTest, strlen(szStringTest), &dwBytesWritten, NULL))
+ {
+ Trace("SetEndOfFile: ERROR -> Unable to write to \"%s\". ",
+ "GetLastError returned %u.\n",
+ szTextFile,
+ GetLastError());
+ Cleanup(hFile);
+ Fail("");
+ }
+
+ DoTest(hFile, -2, FILE_END); /* test the end */
+ DoTest(hFile, -10, FILE_CURRENT); /* test the middle-ish */
+ DoTest(hFile, 0, FILE_BEGIN); /* test the start */
+
+ Cleanup(hFile);
+
+ PAL_Terminate();
+ return PASS;
+}