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-rw-r--r--src/pal/tests/palsuite/c_runtime/_wfopen/test1/test1.cpp79
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diff --git a/src/pal/tests/palsuite/c_runtime/_wfopen/test1/test1.cpp b/src/pal/tests/palsuite/c_runtime/_wfopen/test1/test1.cpp
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+++ b/src/pal/tests/palsuite/c_runtime/_wfopen/test1/test1.cpp
@@ -0,0 +1,79 @@
+// 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: test1.c
+**
+** Purpose: Tests the PAL implementation of the _wfopen function.
+** This test simply attempts to open a number of files with
+** different modes. It checks to ensure a valid file
+** pointer is returned. It doesn't do any checking to
+** ensure the mode is really what it claims.
+**
+
+**
+**===================================================================*/
+
+
+#define UNICODE
+#include <palsuite.h>
+
+struct testCase
+{
+ int CorrectResult;
+ WCHAR mode[20];
+};
+
+int __cdecl main(int argc, char **argv)
+{
+
+ FILE *fp;
+ WCHAR name[128];
+ WCHAR base[] = {'t','e','s','t','f','i','l','e','s','\0'};
+ char * PrintResult;
+ int i;
+
+ struct testCase testCases[] =
+ {
+ {0, {'r','\0' }}, {1, {'w','\0'}}, {1, {'a','\0'}},
+ {0, {'r','+','\0'}}, {1, {'w','+','\0'}}, {1, {'a','+','\0'}},
+ {1, {'w','t','\0'}}, {1, {'w','b','\0'}}, {1, {'w','S','\0'}},
+ {1, {'w','c','\0'}}, {1, {'w','n','\0'}}, {1, {'w', 'R','\0'}},
+ {1, {'w','T','\0'}}, {0, {'t','w','\0'}}, {0, {'.','\0'}}
+ };
+
+ if (PAL_Initialize(argc, argv))
+ {
+ return FAIL;
+ }
+
+
+
+ for(i = 0; i < sizeof(testCases) / sizeof(struct testCase); i++)
+ {
+ wcscpy(name,base);
+ wcscat(name,testCases[i].mode);
+
+ fp = _wfopen(name,testCases[i].mode);
+
+ if ((fp == 0 && testCases[i].CorrectResult != 0) ||
+ (testCases[i].CorrectResult == 0 && fp != 0) )
+ {
+ PrintResult = convertC(testCases[i].mode);
+ Fail("ERROR: fopen returned incorrectly "
+ "opening a file in %s mode. Perhaps it opened a "
+ "read only file which didn't exist and returned a correct "
+ "pointer?",PrintResult);
+ free(PrintResult);
+ }
+
+ memset(name, '\0', 128);
+ }
+
+ PAL_Terminate();
+ return PASS;
+}
+
+