From db20f3f1bb8595633a7e16c8900fd401a453a6b5 Mon Sep 17 00:00:00 2001
From: Jiyoung Yun <jy910.yun@samsung.com>
Date: Tue, 27 Dec 2016 16:46:08 +0900
Subject: Imported Upstream version 1.0.0.9127

---
 .../palsuite/file_io/WriteFile/test4/writefile.cpp | 155 +++++++++++++++++++++
 1 file changed, 155 insertions(+)
 create mode 100644 src/pal/tests/palsuite/file_io/WriteFile/test4/writefile.cpp

(limited to 'src/pal/tests/palsuite/file_io/WriteFile/test4/writefile.cpp')

diff --git a/src/pal/tests/palsuite/file_io/WriteFile/test4/writefile.cpp b/src/pal/tests/palsuite/file_io/WriteFile/test4/writefile.cpp
new file mode 100644
index 0000000000..47a0066ec9
--- /dev/null
+++ b/src/pal/tests/palsuite/file_io/WriteFile/test4/writefile.cpp
@@ -0,0 +1,155 @@
+// 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:  WriteFile.c (test 4)
+**
+** Purpose: Tests the PAL implementation of the WriteFile function.
+**          Performs multiple writes to a file at different locations
+**          then verifies the results with GetFileSize.
+**
+** dependency:
+**          CreateFile.
+**          GetFileSize.
+**          FlushFileBuffers
+**          SetFilePointer.
+**          CloseHandle.
+**          DeleteFile.
+**          
+**
+**
+**===================================================================*/
+
+
+#include <palsuite.h>
+
+BOOL CleanUp(HANDLE hFile, const char * fileName)
+{
+    BOOL bRc = TRUE;
+    if (CloseHandle(hFile) != TRUE)
+    {
+        bRc = FALSE;
+        Trace("WriteFile: ERROR -> Unable to close file \"%s\","
+            " error: %ld.\n", fileName, GetLastError());
+    }
+    if (!DeleteFileA(fileName))
+    {
+        bRc = FALSE;
+        Trace("WriteFile: ERROR -> Unable to delete file \"%s\","
+            " error: %ld.\n", fileName, GetLastError());
+    }
+    return bRc;
+}
+
+int __cdecl main(int argc, char *argv[])
+{
+    const char* szStringTest = "1234567890";
+    const char* szWritableFile = "writeable.txt";
+    HANDLE hFile = NULL;
+    DWORD dwBytesWritten;
+
+    if (0 != PAL_Initialize(argc,argv))
+    {   
+        return FAIL;
+    }
+
+    /* create the test file */ 
+    hFile = CreateFile(szWritableFile, 
+        GENERIC_WRITE,
+        FILE_SHARE_WRITE,
+        NULL,
+        CREATE_ALWAYS,
+        FILE_ATTRIBUTE_NORMAL,
+        NULL);
+
+    if(hFile == INVALID_HANDLE_VALUE)
+    {
+        Fail("WriteFile: ERROR -> Unable to create file \"%s\".\n", 
+            szWritableFile);
+    }
+
+
+    /* test wtriting to the file */
+    if( WriteFile(hFile,        /* HANDLE handle to file    */
+        szStringTest,           /* data buffer              */
+        strlen(szStringTest),   /* number of bytes to write */
+        &dwBytesWritten,        /* number of bytes written  */
+        NULL)                   /* overlapped buffer        */
+        ==0)
+    {
+        Trace("WriteFile: ERROR -> Unable to write to file error: %ld \n",
+            GetLastError());
+        CleanUp(hFile,szWritableFile);
+        Fail("");
+    }
+
+    if(!FlushFileBuffers(hFile))
+    {   Trace("WriteFile: ERROR -> Call to FlushFile Buffers failed "
+              "error %ld \n",GetLastError());
+        CleanUp(hFile,szWritableFile);
+        Fail("");        
+    }
+
+    /* check the file size */
+    if(GetFileSize(hFile, NULL)!=strlen(szStringTest))
+    {
+        Trace("WriteFile: ERROR -> writing %u chars to empty file "
+            "caused its size to become %u\n",strlen(szStringTest),
+            GetFileSize(hFile, NULL));
+        CleanUp(hFile,szWritableFile);        
+        Fail("");
+    }
+
+    /* test writing to the file at position 5. */
+    SetFilePointer(
+        hFile,              /* handle to file           */
+        0x5,                /* bytes to move pointer    */
+        NULL,               /* bytes to move pointer    */
+        FILE_BEGIN          /* starting point           */
+        );
+
+
+    if( WriteFile(hFile,        /* HANDLE handle to file    */
+        szStringTest,           /* data buffer              */
+        strlen(szStringTest),   /* number of bytes to write */
+        &dwBytesWritten,        /* number of bytes written  */
+        NULL)                   /* overlapped buffer        */
+        ==0)
+    {
+        Trace("WriteFile: ERROR -> Unable to write to file after "
+              " moiving the file poiner to 5 error: %ld \n",
+              GetLastError());       
+        CleanUp(hFile,szWritableFile);        
+        Fail("");
+    }
+
+
+    if(!FlushFileBuffers(hFile))
+    {
+        Trace("WriteFile: ERROR -> Call to FlushFile Buffers failed "
+              "error %ld \n",GetLastError());
+        CleanUp(hFile,szWritableFile);
+        Fail("");
+    }
+
+    /* Check the file size */
+    if(GetFileSize(hFile, NULL)!=(strlen(szStringTest)+5))
+    {
+        Trace("WriteFile: ERROR -> writing %u chars to the file after "
+              "sitting the file pointer to 5 resulted in wrong file size; "
+              "Expected %u resulted %u.",strlen(szStringTest),
+              (strlen(szStringTest)+5),GetFileSize(hFile, NULL));
+        CleanUp(hFile,szWritableFile);
+        Fail("");
+    }
+
+    if (!CleanUp(hFile,szWritableFile))
+    {
+        Fail("");
+    }
+
+    PAL_Terminate();
+    return PASS;
+}
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