1 files changed, 76 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/c_runtime/_putenv/test2/test2.cpp b/src/pal/tests/palsuite/c_runtime/_putenv/test2/test2.cpp
new file mode 100644
index 0000000000..39be4f68b4
--- /dev/null
+++ b/src/pal/tests/palsuite/c_runtime/_putenv/test2/test2.cpp
@@ -0,0 +1,76 @@
+// 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:  test2.c
+**
+** Purpose:  Create an environment variable with _putenv and then use getenv 
+** to check it.  This test resets an environment variable.
+**
+**
+**===================================================================*/
+
+#include <palsuite.h>
+
+const char *_putenvString0 = "AnUnusualVariable=AnUnusualValue";
+const char *_putenvString1 = "AnUnusualVariable=";
+const char *variable = "AnUnusualVariable";
+const char *value = "AnUnusualValue";
+
+int __cdecl main(int argc, char **argv)
+{
+   
+    char *variableValue;
+
+    if (0 != (PAL_Initialize(argc, argv)))
+    {
+        return FAIL;
+    }
+
+    if(_putenv(_putenvString0) == -1)
+    {
+        Fail("ERROR: _putenv failed to set an environment "
+             "variable with a valid format.\n  Call was"
+             "_putenv(%s)\n", _putenvString0);
+    }
+
+    variableValue = getenv(variable);
+    
+    if (variableValue == NULL)
+    { 
+        Fail("ERROR: getenv(%s) call returned NULL\nThe call "
+             "should have returned '%s'\n", variable, value);
+    }  
+    else 
+    {
+        if ( strcmp(variableValue, value) != 0 ) 
+        {
+            Fail("ERROR: _putenv(%s)\nshould have set the variable "
+                 "'%s'\n to '%s'.\nA subsequent call to getenv(%s)\n"
+                 "returned '%s' instead.\n", _putenvString0,
+                 variable, value, variable, variableValue);
+        }
+        else 
+        {
+            if(_putenv(_putenvString1) == -1)
+            {
+                Fail("ERROR: _putenv failed to set an environment "
+                     "variable with a valid format.\n  Call was"
+                     "_putenv(%s)\n", _putenvString1);
+            }
+
+            variableValue = getenv(variable);
+
+            if (variableValue != NULL)
+            { 
+                Fail("ERROR: getenv(%s) call did not return NULL.\nThe call "
+                     "returned '%s'.\n", variable, value);
+            }
+        }
+    }
+    
+    PAL_Terminate();
+    return PASS;
+}