1 files changed, 67 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/miscellaneous/GetEnvironmentVariableA/test3/test.c b/src/pal/tests/palsuite/miscellaneous/GetEnvironmentVariableA/test3/test.c
new file mode 100644
index 0000000000..b51e139c95
--- /dev/null
+++ b/src/pal/tests/palsuite/miscellaneous/GetEnvironmentVariableA/test3/test.c
@@ -0,0 +1,67 @@
+// 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 : test.c
+**
+** Purpose: Test for GetEnvironmentVariable() function
+** Pass a nonexisting environment variable and a null to
+** the function to check return values.
+**
+**
+**=========================================================*/
+
+#include <palsuite.h>
+
+#define BUFFER_SIZE 5000
+#define SMALL_BUFFER_SIZE 5
+
+int __cdecl main(int argc, char *argv[]) 
+{
+
+    int ReturnValueForNonExisting = 0;
+    int ReturnValueForNull = 0;
+
+    char pResultBuffer[BUFFER_SIZE];
+    char pSmallBuffer[SMALL_BUFFER_SIZE];
+
+    if(0 != (PAL_Initialize(argc, argv)))
+    {
+        return FAIL;
+    }
+
+    /* This variable doesn't exist, it should return 0 */
+    ReturnValueForNonExisting = GetEnvironmentVariable("NonExistingVariable",
+                                                       pSmallBuffer,
+                                                       SMALL_BUFFER_SIZE);
+
+    if(ReturnValueForNonExisting != 0) 
+    {
+        Fail("ERROR: The return should have been 0, but it was %d.  "
+             "The function attempted to get an Environment Variable that "
+             "doesn't exist and should return 0 as a result.\n",
+             ReturnValueForNonExisting);
+    }
+  
+  
+    /* Passing a NULL string should return 0 */
+    ReturnValueForNull = GetEnvironmentVariable(NULL,
+                                                pResultBuffer,
+                                                BUFFER_SIZE);
+  
+    if(ReturnValueForNull != 0) 
+    {
+        Fail("ERROR: The return should have been 0, but it was %d.  "
+             "The function attempted to get a NULL pointer and should return "
+             "0 as a result.\n",ReturnValueForNull);
+    
+    }
+
+    PAL_Terminate();
+    return PASS;
+  }
+
+
+