1 files changed, 77 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/c_runtime/wcsncat/test1/test1.cpp b/src/pal/tests/palsuite/c_runtime/wcsncat/test1/test1.cpp
new file mode 100644
index 0000000000..0cd5c3e15a
--- /dev/null
+++ b/src/pal/tests/palsuite/c_runtime/wcsncat/test1/test1.cpp
@@ -0,0 +1,77 @@
+// 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 that wcsncat correctly appends wide strings, making sure it handles
+** count argument correctly (appending no more than count characters, always
+** placing a null, and padding the string if necessary).
+**
+**
+**==========================================================================*/
+
+#include <palsuite.h>
+
+
+int __cdecl main(int argc, char *argv[])
+{
+    WCHAR dest[80];
+    WCHAR test[] = {'f','o','o',' ','b','a','r','b','a','z',0};
+    WCHAR str1[] = {'f','o','o',' ',0};
+    WCHAR str2[] = {'b','a','r',' ',0};
+    WCHAR str3[] = {'b','a','z',0};
+    WCHAR *ptr;
+    int i;
+
+    
+    if (PAL_Initialize(argc, argv))
+    {
+        return FAIL;
+    }
+
+
+    dest[0] = 0;
+    for (i=1; i<80; i++)
+    {
+        dest[i] = (WCHAR)'x';
+    }
+
+    ptr = wcsncat(dest, str1, wcslen(str1));
+    if (ptr != dest)
+    {
+        Fail("ERROR: Expected wcsncat to return ptr to %p, got %p", dest, ptr);
+    }
+
+    ptr = wcsncat(dest, str2, 3);
+    if (ptr != dest)
+    {
+        Fail("ERROR: Expected wcsncat to return ptr to %p, got %p", dest, ptr);
+    }
+    if (dest[7] != 0)
+    {
+        Fail("ERROR: wcsncat did not place a terminating NULL!");
+    }
+
+    ptr = wcsncat(dest, str3, 20);
+    if (ptr != dest)
+    {
+        Fail("ERROR: Expected wcsncat to return ptr to %p, got %p", dest, ptr);
+    }
+    if (wcscmp(dest, test) != 0)
+    {
+        Fail("ERROR: Expected wcsncat to give \"%S\", got \"%S\"\n", 
+            test, dest);
+    }
+    if (dest[wcslen(test)+1] != (WCHAR)'x')
+    {
+        Fail("wcsncat went out of bounds!\n");
+    }
+
+    PAL_Terminate();
+
+    return PASS;
+}