1 files changed, 100 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/locale_info/WideCharToMultiByte/test3/test3.cpp b/src/pal/tests/palsuite/locale_info/WideCharToMultiByte/test3/test3.cpp
new file mode 100644
index 0000000000..ecd26addb4
--- /dev/null
+++ b/src/pal/tests/palsuite/locale_info/WideCharToMultiByte/test3/test3.cpp
@@ -0,0 +1,100 @@
+// 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: test3.c
+**
+** Purpose: Tests that WideCharToMultiByte correctly handles the following 
+**          error conditions: insufficient buffer space, invalid code pages,
+**          and invalid flags.
+**
+**
+**==========================================================================*/
+
+
+#include <palsuite.h>
+
+
+int __cdecl main(int argc, char *argv[])
+{    
+    char mbStr[128];
+    WCHAR wideStr[128];
+    int ret;
+    int i;
+    int k;
+    BOOL bRet=TRUE;
+
+    /* These codepages are currently supported by the PAL */
+    int codePages[] ={
+        CP_ACP,
+        CP_UTF8
+    };
+
+
+    if (PAL_Initialize(argc, argv))
+    {
+        return FAIL;
+    }
+
+    /* Go through all of the code pages */
+    for(i=0; i<(sizeof(codePages)/sizeof(int)); i++)
+    {
+    
+        for (k=0; k<128; k++)
+        {
+            wideStr[k] = 'a';
+            mbStr[k] = 0;
+        }
+
+        wideStr[127] = 0;
+
+        /* try with insufficient buffer space */
+        ret = WideCharToMultiByte(codePages[i], 0, wideStr, -1, 
+                                  mbStr, 10, NULL, NULL);
+        if (ret != 0)
+        {
+            Trace("WideCharToMultiByte did not return an error!\n"
+                  "Expected return of 0, got %d for code page %d.\n", ret, 
+                  codePages[i]);
+            bRet = FALSE;
+        }
+
+        ret = GetLastError();
+        if (ret != ERROR_INSUFFICIENT_BUFFER)
+        {
+            Fail("WideCharToMultiByte set the last error to %u instead of "
+                 "ERROR_INSUFFICIENT_BUFFER for code page %d.\n",
+                 GetLastError(),codePages[i]);
+            bRet = FALSE;
+        }
+    }
+
+    /* Return failure if any of the code pages returned the wrong results */
+    if(!bRet)
+    {
+        return FAIL;
+    }
+
+    /* try with a wacky code page */
+    ret = WideCharToMultiByte(-1, 0, wideStr, -1, mbStr, 128, NULL, NULL);
+    if (ret != 0)
+    {
+        Fail("WideCharToMultiByte did not return an error!\n"
+             "Expected return of 0, got %d for invalid code page.\n", ret);
+    }
+
+    ret = GetLastError();
+    if (ret != ERROR_INVALID_PARAMETER)
+    {
+        Fail("WideCharToMultiByte set the last error to %u instead of "
+             "ERROR_INVALID_PARAMETER for invalid code page -1.\n",
+             GetLastError());
+    }
+
+    PAL_Terminate();
+
+    return PASS;
+}
+