RoboVM_Memory_Tortuture

public class MyViewController extends UIViewController {

    public class TestClass  {
        public int integerValue;

        public String stringValue;

        public TestClass referenceValue;

        public TestClass referenceValue2;

        public int[] arrayValue;
    }

    private final UIButton testButton;
    private final UIButton clearButton;
    private final UILabel label;
    private final ArrayList<TestClass> testObjects;

    public MyViewController(PersonalFinanceService _financeService) {

        testObjects = new ArrayList<TestClass>();

        // Get the view of this view controller.
        UIView view = getView();

        // Setup background.
        view.setBackgroundColor(UIColor.white());

        //Setup label
        label = new UILabel(new CGRect(20, 340, 300, 40));
        label.setFont(UIFont.getBoldSystemFont(12));
        view.addSubview(label);

        // Setup button.
        testButton = UIButton.create(UIButtonType.System);
        testButton.setFrame(new CGRect(20, 280, 300, 40));
        testButton.setTitle("Test 100k objects", UIControlState.Normal);
        testButton.getTitleLabel().setFont(UIFont.getBoldSystemFont(22));

        testButton.addOnTouchUpInsideListener(new UIControl.OnTouchUpInsideListener() {
            @Override
            public void onTouchUpInside(UIControl control, UIEvent event) {

                int capacity = 100000;
                // COMMENT LINE BELOW TO CAUSE MEMORY FRAGMENTATION
                testObjects.ensureCapacity(capacity);
                for(int i = 0; i < capacity; i += 1)  {
                    TestClass currentObject = new TestClass();
                    currentObject.integerValue = i;
                    currentObject.stringValue = "String" + i;
                    if(i > 0)
                        currentObject.referenceValue = testObjects.get(i - 1);
                    if(i > 1)
                        currentObject.referenceValue2 = testObjects.get(i - 2);
                    currentObject.arrayValue = new int[100];
                    testObjects.add(currentObject);

                }
                label.setText(String.valueOf(testObjects.size()));


            }
        });
        view.addSubview(testButton);

        // Setup button.
        clearButton = UIButton.create(UIButtonType.RoundedRect);
        clearButton.setFrame(new CGRect(20, 300, 300, 40));
        clearButton.setTitle("Clear", UIControlState.Normal);
        clearButton.getTitleLabel().setFont(UIFont.getBoldSystemFont(22));

        clearButton.addOnTouchUpInsideListener(new UIControl.OnTouchUpInsideListener() {
            @Override
            public void onTouchUpInside(UIControl control, UIEvent event) {

                testObjects.clear();
                testObjects.trimToSize();
                System.gc();


            }
        });
        view.addSubview(clearButton);





    }
}