1 files changed, 79 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/c_runtime/tolower/test1/test1.cpp b/src/pal/tests/palsuite/c_runtime/tolower/test1/test1.cpp
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+++ b/src/pal/tests/palsuite/c_runtime/tolower/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: Tests the PAL implementation of the tolower function.
+**          Check that the tolower function makes capital character
+**          lower case. Also check that it has no effect on lower
+**          case letters and special characters.
+**
+**
+**===================================================================*/
+
+#include <palsuite.h>
+
+struct testCase
+{
+    int lower;
+    int start;
+};
+
+int __cdecl main(int argc, char **argv)
+{
+  
+    int result;  
+    int i;
+
+    struct testCase testCases[] = 
+        {
+            {'a',  'A'},  /* Basic cases */
+            {'z', 'Z'},
+            {'b',  'b'},  /* Lower case */
+            {'?',  '?'},  /* Characters without case */
+            {230,  230}
+        };
+  
+    if (PAL_Initialize(argc, argv))
+    {
+        return FAIL;
+    }
+
+
+    /* Loop through each case.  Convert each character to lower case 
+       and then compare to ensure that it is the correct value.
+    */
+  
+    for(i = 0; i < sizeof(testCases) / sizeof(struct testCase); i++)
+    {
+        /*Convert to lower case*/
+        result = tolower(testCases[i].start);
+     
+        if (testCases[i].lower != result)
+        {
+            Fail("ERROR: tolower lowered \"%i\" to %i instead of %i.\n",
+                   testCases[i].start, result, testCases[i].lower);
+        }
+    
+    }      
+  
+  
+    PAL_Terminate();
+    return PASS;
+} 
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