add valgrind

Author: bmcutler

examples/08_memory_debugging/config/config.json

@@ -1,32 +1,61 @@
 {
-  "testcases" : [
-    // Grading of C++ code can also be supplemented with the use of a memory 
-    // debugger. Here, the tool Dr. Memory is used to penalize student code 
-    // containing memory errors.
-    {
-      "type" : "Compilation",
-      "title" : "C++ - Compilation",
-      "command" : "clang++ -m32 -g -Wall -o a.out *.cpp",
-      "executable_name" : "a.out",
-      "points" : 5
-    },
-    {
-      "title" : "C++ - Memory Debugger",
-      "command" : "drmemory -brief -- ./a.out",
-      "points" : 5,
-      "validation" : [
+    "testcases" : [
+
+        // Grading of C++ code can also be supplemented with the use of a memory
+        // debugger. Here, the tool Dr. Memory is used to penalize student code
+        // containing memory errors.
         {
-          "method" : "warnIfEmpty",
-          "actual_file" : "STDOUT.txt",
-          "description" : "Standard Output (STDOUT)"
+            "type" : "Compilation",
+            "title" : "C++ - Compilation (for Dr Memory)",
+            "command" : "clang++ -m32 -g -Wall -o a.out *.cpp",
+            "executable_name" : "a.out",
+            "points" : 2
         },
         {
-          "method" : "DrMemoryGrader",
-          "actual_file" : "STDERR.txt",
-          "description" : "Standard Error (STDERR)",
-          "deduction" : 1.0
+            "title" : "Under Dr Memory",
+            "command" : "drmemory -brief -- ./a.out",
+            "points" : 5,
+            "validation" : [
+                {
+                    "method" : "warnIfEmpty",
+                    "actual_file" : "STDOUT.txt",
+                    "description" : "Standard Output (STDOUT)"
+                },
+                {
+                    "method" : "DrMemoryGrader",
+                    "actual_file" : "STDERR.txt",
+                    "description" : "Standard Error (STDERR)",
+                    "deduction" : 1.0
+                }
+            ]
         }
-      ]
-    }
-  ]
+
+        // Valgrind is a similar tool
+        {
+            "type" : "Compilation",
+            "title" : "C++ - Compilation (for Valgrind)",
+            "command" : "clang++ -g -Wall -o a2.out *.cpp",
+            "executable_name" : "a2.out",
+            "points" : 2
+        },
+        {
+            "title" : "Under Valgrind",
+            "command" : "valgrind --leak-check=full ./a2.out",
+            "points" : 5,
+            "validation" : [
+                {
+                    "method" : "warnIfEmpty",
+                    "actual_file" : "STDOUT.txt",
+                    "description" : "Standard Output (STDOUT)"
+                },
+                {
+                    "method" : "searchToken",
+                    "data" : [ "ERROR SUMMARY: 0 errors from 0 contexts" ],
+                    "actual_file" : "STDERR.txt",
+                    "description" : "Standard Error (STDERR)",
+                    "deduction" : 1.0
+                }
+            ]
+        }
+    ]
 }