1 files changed, 81 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/locale_info/MultiByteToWideChar/test1/test1.cpp b/src/pal/tests/palsuite/locale_info/MultiByteToWideChar/test1/test1.cpp
new file mode 100644
index 0000000000..81f58a532c
--- /dev/null
+++ b/src/pal/tests/palsuite/locale_info/MultiByteToWideChar/test1/test1.cpp
@@ -0,0 +1,81 @@
+// 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 MultiByteToWideChar with all the ASCII characters (0-127).
+**          Also tests that WideCharToMultiByte handles different buffer
+**          lengths correctly (0, -1, and a valid length)
+**
+**
+**==========================================================================*/
+
+#include <palsuite.h>
+
+/*
+ * For now, it is assumed that MultiByteToWideChar will only be used in the PAL
+ * with CP_ACP, and that dwFlags will be 0.
+ */
+
+int __cdecl main(int argc, char *argv[])
+{    
+    char mbStr[128];
+    WCHAR wideStr[128];
+    int ret;
+    int i;
+
+    if (PAL_Initialize(argc, argv))
+    {
+        return FAIL;
+    }
+
+    for (i=0; i<128; i++)
+    {
+        mbStr[i] = 127 - i;
+        wideStr[i] = 0;
+    }
+
+
+    ret = MultiByteToWideChar(CP_ACP, 0, mbStr, -1, wideStr, 0);
+    if (ret != 128)
+    {
+        Fail("MultiByteToWideChar did not return correct string length!\n"
+            "Got %d, expected %d\n", ret, 128);
+    }
+
+    /* Make sure the ASCII set (0-127) gets translated correctly */
+    ret = MultiByteToWideChar(CP_ACP, 0, mbStr, -1, wideStr, 128);
+    if (ret != 128)
+    {
+        Fail("MultiByteToWideChar did not return correct string length!\n"
+            "Got %d, expected %d\n", ret, 128);
+    }
+
+    for (i=0; i<128; i++)
+    {
+        if (wideStr[i] != (WCHAR)(127 - i))
+        {
+            Fail("MultiByteToWideChar failed to translate correctly!\n"
+                "Expected character %d to be %c (%x), got %c (%x)\n",
+                i, 127 - i, 127 - i,wideStr[i], wideStr[i]);
+        }
+    }
+
+
+    /* try a 0 length string */
+    mbStr[0] = 0;
+    ret = MultiByteToWideChar(CP_ACP, 0, mbStr, -1, wideStr, 0);
+    if (ret != 1)
+    {
+        Fail("MultiByteToWideChar did not return correct string length!\n"
+            "Got %d, expected %d\n", ret, 1);
+    }
+
+    PAL_Terminate();
+
+    return PASS;
+}
+