Put the unit test for MedianPixel back

Filter.cpp

 }
 
 void test_MedianPixel() {
+    vector<QRgb> V;
 
-    // Implement your unit test for median pixel here .....
 
-    messageBox("MedianPixel unit test not yet implemented!!");
+    V.push_back(qRgb(10,20,30));
+    V.push_back(qRgb(10,30,10));
+    V.push_back(qRgb(20, 0,15));
+
+
+    QRgb result = MedianPixel(V);
+
+    assert(qRed(result) == 10);
+    assert(qGreen(result) == 20);
+    assert(qBlue(result) == 15);
+
+    V.push_back(qRgb(0, 10,20));
+
+    result = MedianPixel(V);
+    assert(qRed(result) == 10);
+    assert(qGreen(result) == 15);
+    assert(qBlue(result) == 17);
+
+
+    cout << "MedianPixel passed the test!!" << endl;
 }
 
 
 
 void MainWindow::RemoveNoise(const vector<QImage> & images, QImage & finalImage){
 
-    test_Sort();
-    test_Median();
-    test_MedianPixel();
+    // test_Sort();
+    // test_Median();
+    // test_MedianPixel();
 
     // Implement the filter here! See the algorithm in the lab
     messageBox("RemoveNoise function not yet implemented!!!");