1 files changed, 84 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/miscellaneous/GetEnvironmentVariableA/test1/test.cpp b/src/pal/tests/palsuite/miscellaneous/GetEnvironmentVariableA/test1/test.cpp
new file mode 100644
index 0000000000..23e9974467
--- /dev/null
+++ b/src/pal/tests/palsuite/miscellaneous/GetEnvironmentVariableA/test1/test.cpp
@@ -0,0 +1,84 @@
+// 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
+** Assign a properly sized buffer and get an environment 
+** variable, check to ensure it returns the correct values.
+**
+**
+**=========================================================*/
+
+#include <palsuite.h>
+
+int __cdecl main(int argc, char *argv[]) {
+
+    /* Define some buffers needed for the function */
+    char * pResultBuffer = NULL;
+    int size = 0;
+  
+    /* A place to stash the returned values */
+    int ReturnValueForLargeBuffer = 0;
+
+    /*
+     * Initialize the PAL and return FAILURE if this fails
+     */
+
+    if(0 != (PAL_Initialize(argc, argv)))
+    {
+        return FAIL;
+    }
+  
+    /* Recieve and allocate the correct amount of memory for the buffer */
+    size = ReturnValueForLargeBuffer = GetEnvironmentVariable("PATH",        
+                                                              pResultBuffer,  
+                                                              0);             
+    pResultBuffer = (char*)malloc(size);
+    if ( pResultBuffer == NULL )
+     {
+	Fail("ERROR: Failed to allocate memory for pResultBuffer pointer. "
+	       "Can't properly exec test case without this.\n");
+     }
+  
+  
+    /* Normal case, PATH should fit into this buffer */
+    ReturnValueForLargeBuffer = GetEnvironmentVariable("PATH",        
+                                                       pResultBuffer,  
+                                                       size);  
+  
+    /* Ensure that it returned a positive value */
+    if(ReturnValueForLargeBuffer <= 0) 
+    {
+	free(pResultBuffer);
+
+        Fail("The return was %d, which indicates that the function failed.\n",
+             ReturnValueForLargeBuffer);  
+    }
+
+    /* Ensure that it succeeded and copied the correct number of characters.
+       If this is true, then the return value should be one less of the size of 
+       the buffer.  (Doesn't include that NULL byte)
+    */
+
+    if(ReturnValueForLargeBuffer != size-1) 
+    {
+	free(pResultBuffer);
+
+        Fail("The value returned was %d when it should have been %d.  "
+             "This should be the number of characters copied, minus the "
+             "NULL byte.\n",ReturnValueForLargeBuffer, size-1);  
+    }
+  
+  
+    free(pResultBuffer);
+    
+    PAL_Terminate();
+    return PASS;
+}
+
+
+