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diff --git a/src/pal/tests/palsuite/c_runtime/wcstok/test1/test1.cpp b/src/pal/tests/palsuite/c_runtime/wcstok/test1/test1.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: test1.c
+**
+** Purpose:
+** Search for a number of tokens within strings. Check that the return values
+** are what is expected, and also that the strings match up with our expected
+** results.
+**
+**
+**==========================================================================*/
+
+#include <palsuite.h>
+
+int __cdecl main(int argc, char *argv[])
+{
+ /* foo bar baz */
+ WCHAR str[] = {'f','o','o',' ','b','a','r',' ','b','a','z','\0'};
+
+ /* foo \0ar baz */
+ WCHAR result1[] = {'f','o','o',' ','\0','a','r',' ','b','a','z','\0'};
+
+ /* foo \0a\0 baz */
+ WCHAR result2[] = {'f','o','o',' ','\0','a','\0',' ','b','a','z','\0'};
+
+ WCHAR* tempString;
+ int len = 0;
+ WCHAR *ptr;
+
+ if (PAL_Initialize(argc, argv))
+ {
+ return FAIL;
+ }
+
+ len = (wcslen(str)*sizeof(WCHAR)) + 2;
+
+ /* Tokenize 'str'. It will hit the 'b' delimiter first. Check to see
+ that the ptr is pointing to the start of the string and do a compare
+ to ensure the tokenized string is what we expected.
+ */
+
+ tempString = convert("bz");
+ ptr = wcstok(str, tempString);
+ free(tempString);
+
+ if (ptr != str)
+ {
+ Fail("ERROR: Expected wcstok() to return %p, got %p!\n", str, ptr);
+ }
+
+ if (memcmp(str, result1, len) != 0)
+ {
+ Fail("ERROR: wcstok altered the string in an unexpected fashion.");
+ }
+
+ /* If NULL is passed as the first parameter, wcstok will continue
+ tokenizing the same string. Test that this works properly.
+ */
+ tempString = convert("r ");
+ ptr = wcstok(NULL, tempString);
+ free(tempString);
+
+ if (ptr != str + 5)
+ {
+ Fail("ERROR: Expected wcstok() to return %p, got %p!\n", str+5, ptr);
+ }
+
+ if (memcmp(str, result2, len) != 0)
+ {
+ Fail("ERROR: wcstok altered the string in an unexpected fashion.");
+ }
+
+ /* Continue onward, and search for 'X' now, which won't be found. The
+ pointer should point just after the last NULL in the string. And
+ the string itself shouldn't have changed.
+ */
+ tempString = convert("X");
+ ptr = wcstok(NULL, tempString);
+ free(tempString);
+
+ if (ptr != str + 7)
+ {
+ Fail("ERROR: Expected wcstok() to return %p, got %p!\n", str + 7, ptr);
+ }
+
+ if (memcmp(str, result2, len) != 0)
+ {
+ Fail("ERROR: wcstok altered the string in an unexpeced fashion.\n");
+ }
+
+ /* Call wcstok again. Now the ptr should point to the end of the
+ string at NULL. And the string itself shouldn't have changed.
+ */
+ tempString = convert("X");
+ ptr = wcstok(NULL, tempString);
+ free(tempString);
+
+ if (ptr != NULL)
+ {
+ Fail("ERROR: Expected wcstok() to return %p, got %p!\n", NULL, ptr);
+ }
+
+ if (memcmp(str, result2, len) != 0)
+ {
+ Fail("ERROR: wcstok altered the string in an unexpeced fashion.\n");
+ }
+
+ PAL_Terminate();
+ return PASS;
+}