summaryrefslogtreecommitdiff
path: root/src/pal/tests/palsuite/filemapping_memmgt/MapViewOfFile/test4/mapviewoffile.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/pal/tests/palsuite/filemapping_memmgt/MapViewOfFile/test4/mapviewoffile.cpp')
-rw-r--r--src/pal/tests/palsuite/filemapping_memmgt/MapViewOfFile/test4/mapviewoffile.cpp166
1 files changed, 166 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/filemapping_memmgt/MapViewOfFile/test4/mapviewoffile.cpp b/src/pal/tests/palsuite/filemapping_memmgt/MapViewOfFile/test4/mapviewoffile.cpp
new file mode 100644
index 0000000000..7f3252144b
--- /dev/null
+++ b/src/pal/tests/palsuite/filemapping_memmgt/MapViewOfFile/test4/mapviewoffile.cpp
@@ -0,0 +1,166 @@
+// 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: MapViewOfFile.c
+**
+** Purpose: Negative test the MapViewOfFile API.
+** Call MapViewOfFile with all access modes, except
+** read-only, on a read only map.
+**
+** Depends: CreateFile,
+** CreateFileMapping,
+** CloseHandle,
+** UnMapViewOfFile.
+**
+
+**
+**============================================================*/
+#include <palsuite.h>
+
+int __cdecl main(int argc, char *argv[])
+{
+
+ HANDLE hFile;
+ BOOL err;
+ HANDLE hFileMapping;
+ LPVOID lpMapViewAddress;
+ DWORD dwBytesWritten;
+ const int MAPPINGSIZE = 2048;
+ char buf[] = "this is a test string";
+ char lpFileName[] = "test.tmp";
+
+ /* Initialize the PAL environment.
+ */
+ if(0 != PAL_Initialize(argc, argv))
+ {
+ return FAIL;
+ }
+
+ /* Create a file handle with CreateFile.
+ */
+ hFile = CreateFile( lpFileName,
+ GENERIC_WRITE|GENERIC_READ,
+ FILE_SHARE_READ|FILE_SHARE_WRITE,
+ NULL,
+ CREATE_ALWAYS,
+ FILE_ATTRIBUTE_NORMAL,
+ NULL);
+ if (hFile == INVALID_HANDLE_VALUE)
+ {
+ Fail("ERROR: %u :unable to create file \"%s\".\n",
+ GetLastError(),
+ lpFileName);
+ }
+
+ /* Write to the File handle.
+ */
+ err = WriteFile(hFile,
+ buf,
+ strlen(buf),
+ &dwBytesWritten,
+ NULL);
+
+ if ( !FlushFileBuffers( hFile ) )
+ {
+ CloseHandle(hFile);
+ Fail("ERROR: Unable to flush the buffers\n");
+ }
+
+ if (err == FALSE)
+ {
+ Trace("ERROR: %u :unable to write to file handle "
+ "hFile=0x%lx\n",
+ GetLastError(),
+ hFile);
+ CloseHandle(hFile);
+ Fail("");
+ }
+
+ /* Create a unnamed file-mapping object with file handle FileHandle
+ * and with PAGE_READWRITE protection.
+ */
+ hFileMapping = CreateFileMapping(
+ hFile,
+ NULL, /*not inherited*/
+ PAGE_READONLY, /*read and wite*/
+ 0, /*high-order of object size*/
+ 0, /*low-orger of object size*/
+ NULL); /*unnamed object*/
+
+ if(NULL == hFileMapping)
+ {
+ Trace("ERROR:%u: Failed to create File Mapping.\n",
+ GetLastError());
+ CloseHandle(hFile);
+ Fail("");
+ }
+
+ /* map a writeable view of a file to a read-only file map.
+ */
+ lpMapViewAddress = MapViewOfFile(
+ hFileMapping,
+ FILE_MAP_WRITE, /* access code */
+ 0, /* high order offset */
+ 0, /* low order offset */
+ MAPPINGSIZE); /* number of bytes for map */
+
+ if(NULL != lpMapViewAddress)
+ {
+ Trace("ERROR:%u: Able to create a writeable MapViewOfFile"
+ " to a read-only file.\n",
+ GetLastError());
+ CloseHandle(hFile);
+ CloseHandle(hFileMapping);
+ UnmapViewOfFile(lpMapViewAddress);
+ Fail("");
+ }
+
+ /* map an all access view of a file to a read-only file map.
+ */
+ lpMapViewAddress = MapViewOfFile(
+ hFileMapping,
+ FILE_MAP_ALL_ACCESS, /* access code */
+ 0, /* high order offset */
+ 0, /* low order offset */
+ MAPPINGSIZE); /* number of bytes for map */
+
+ if(NULL != lpMapViewAddress)
+ {
+ Trace("ERROR:%u: Able to create an all access MapViewOfFile"
+ " to a read-only file.\n",
+ GetLastError());
+ CloseHandle(hFile);
+ CloseHandle(hFileMapping);
+ UnmapViewOfFile(lpMapViewAddress);
+ Fail("");
+ }
+
+ /* map an copy view of a file to a read-only file map.
+ */
+ lpMapViewAddress = MapViewOfFile(
+ hFileMapping,
+ FILE_MAP_COPY, /* access code */
+ 0, /* high order offset */
+ 0, /* low order offset */
+ MAPPINGSIZE); /* number of bytes for map */
+
+ if(NULL != lpMapViewAddress)
+ {
+ Trace("ERROR:%u: Able to create a copy access MapViewOfFile "
+ "to a read-only file.\n",
+ GetLastError());
+ CloseHandle(hFile);
+ CloseHandle(hFileMapping);
+ Fail("");
+ }
+
+ /* Clean-up and Teminate. */
+ CloseHandle(hFile);
+ CloseHandle(hFileMapping);
+ PAL_Terminate();
+ return PASS;
+}
+