Added ChangeCode Methods with Input

Tested with existing code before committed

Author: kmcdonnell2

CodeTestHelper.java

@@ -1726,6 +1726,43 @@ public String getMethodOutputChangedCode(String program, String className, Strin
 
     }
 
+    public String getMethodOutputWithInput(Method m, Object[] arguments, String input) {
+        inContent = new ByteArrayInputStream(input.getBytes(StandardCharsets.UTF_8));
+        System.setIn(inContent);
+
+        String output = getStaticMethodOutput(m, arguments);
+
+        System.setIn(System.in);
+
+        return output;
+    }
+
+    public String getMethodOutputChangedCodeWithInput(String program, String className, String methodName, String input) {
+        // System.out.println(program);
+
+        try {
+            JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
+
+            Iterable<? extends JavaFileObject> fileObjects;
+            fileObjects = getJavaSourceFromString(program);
+
+            compiler.getTask(null, null, null, null, null, fileObjects).call();
+
+            Class<?> clazz = Class.forName(className);
+
+            Method m = clazz.getMethod(methodName, new Class[] { String[].class });
+
+            Object[] _args = new Object[] { new String[0] };
+
+            String output = getMethodOutputWithInput(m, _args, input);
+
+            return output;
+        } catch (Exception e) {
+            return "Error: " + e;
+        }
+
+    }
+
     private Iterable<JavaSourceFromString> getJavaSourceFromString(String code) {
         final JavaSourceFromString jsfs;
         jsfs = new JavaSourceFromString("code", code);