root/content/public/android/javatests/src/org/chromium/content/browser/PopupZoomerTest.java

DEFINITIONS

1. invalidate
2. onDraw
3. acceptZeroSizeView
4. finishPendingDraws
5. createPopupZoomerForTest
6. sendSingleTapTouchEventOnView
7. setUp
8. Feature
9. testDefaultCreateState
10. Feature
11. testShowWithoutBitmap
12. Feature
13. testShowWithBitmap
14. Feature
15. testHide
16. Feature
17. testOnTouchEventOutsidePopup
18. Feature
19. testOnTouchEventInsidePopupNoOnTapListener

// Copyright 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

package org.chromium.content.browser;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Rect;
import android.os.SystemClock;
import android.test.InstrumentationTestCase;
import android.test.suitebuilder.annotation.SmallTest;
import android.view.MotionEvent;
import android.view.View;

import org.chromium.base.test.util.Feature;

/**
 * Tests for PopupZoomer.
 */
public class PopupZoomerTest extends InstrumentationTestCase {
    private CustomCanvasPopupZoomer mPopupZoomer;

    private static class CustomCanvasPopupZoomer extends PopupZoomer {
        Canvas mCanvas;
        long mPendingDraws = 0;

        CustomCanvasPopupZoomer(Context context, Canvas c) {
            super(context);
            mCanvas = c;
        }

        @Override
        public void invalidate() {
            mPendingDraws++;
        }

        @Override
        public void onDraw(Canvas c) {
            mPendingDraws--;
            super.onDraw(c);
        }

        // Test doesn't attach PopupZoomer to the view hierarchy,
        // but onDraw() should still go on.
        @Override
        protected boolean acceptZeroSizeView() {
            return true;
        }

        public void finishPendingDraws() {
            // Finish all pending draw calls. A draw call may change mPendingDraws.
            while (mPendingDraws > 0) {
                onDraw(mCanvas);
            }
        }

    }

    private CustomCanvasPopupZoomer createPopupZoomerForTest(Context context) {
        return new CustomCanvasPopupZoomer(
                context, new Canvas(Bitmap.createBitmap(100, 100, Bitmap.Config.ALPHA_8)));
    }

    private void sendSingleTapTouchEventOnView(View view, float x, float y) {
        final long downEvent = SystemClock.uptimeMillis();
        view.onTouchEvent(
                MotionEvent.obtain(downEvent, downEvent, MotionEvent.ACTION_DOWN, x, y, 0));
        view.onTouchEvent(
                MotionEvent.obtain(downEvent, downEvent + 10, MotionEvent.ACTION_UP, x, y, 0));
    }

    @Override
    public void setUp() {
        mPopupZoomer = createPopupZoomerForTest(getInstrumentation().getTargetContext());
    }

    @SmallTest
    @Feature({"Navigation"})
    public void testDefaultCreateState() throws Exception {
        assertEquals(View.INVISIBLE, mPopupZoomer.getVisibility());
        assertFalse(mPopupZoomer.isShowing());
    }

    @SmallTest
    @Feature({"Navigation"})
    public void testShowWithoutBitmap() throws Exception {
        mPopupZoomer.show(new Rect(0, 0, 5, 5));

        // The view should be invisible.
        assertEquals(View.INVISIBLE, mPopupZoomer.getVisibility());
        assertFalse(mPopupZoomer.isShowing());
    }

    @SmallTest
    @Feature({"Navigation"})
    public void testShowWithBitmap() throws Exception {
        mPopupZoomer.setBitmap(Bitmap.createBitmap(10, 10, Bitmap.Config.ALPHA_8));
        mPopupZoomer.show(new Rect(0, 0, 5, 5));

        // The view should become visible.
        assertEquals(View.VISIBLE, mPopupZoomer.getVisibility());
        assertTrue(mPopupZoomer.isShowing());
    }

    @SmallTest
    @Feature({"Navigation"})
    public void testHide() throws Exception {
        mPopupZoomer.setBitmap(Bitmap.createBitmap(10, 10, Bitmap.Config.ALPHA_8));
        mPopupZoomer.show(new Rect(0, 0, 5, 5));

        // The view should become visible.
        assertEquals(View.VISIBLE, mPopupZoomer.getVisibility());
        assertTrue(mPopupZoomer.isShowing());

        // Call hide without animation.
        mPopupZoomer.hide(false);

        // The view should be invisible.
        assertEquals(View.INVISIBLE, mPopupZoomer.getVisibility());
        assertFalse(mPopupZoomer.isShowing());
    }

    @SmallTest
    @Feature({"Navigation"})
    public void testOnTouchEventOutsidePopup() throws Exception {
        mPopupZoomer.setBitmap(Bitmap.createBitmap(10, 10, Bitmap.Config.ALPHA_8));
        mPopupZoomer.show(new Rect(0, 0, 5, 5));

        // Wait for the show animation to finish.
        mPopupZoomer.finishPendingDraws();

        // The view should be visible.
        assertEquals(View.VISIBLE, mPopupZoomer.getVisibility());
        assertTrue(mPopupZoomer.isShowing());

        // Send tap event at a point outside the popup.
        // i.e. coordinates greater than 10 + PopupZoomer.ZOOM_BOUNDS_MARGIN
        sendSingleTapTouchEventOnView(mPopupZoomer, 50, 50);

        // Wait for the hide animation to finish.
        mPopupZoomer.finishPendingDraws();

        // The view should be invisible.
        assertEquals(View.INVISIBLE, mPopupZoomer.getVisibility());
        assertFalse(mPopupZoomer.isShowing());
    }

    @SmallTest
    @Feature({"Navigation"})
    public void testOnTouchEventInsidePopupNoOnTapListener() throws Exception {
        mPopupZoomer.setBitmap(Bitmap.createBitmap(10, 10, Bitmap.Config.ALPHA_8));
        mPopupZoomer.show(new Rect(0, 0, 5, 5));

        // Wait for the animation to finish.
        mPopupZoomer.finishPendingDraws();

        // The view should be visible.
        assertEquals(View.VISIBLE, mPopupZoomer.getVisibility());
        assertTrue(mPopupZoomer.isShowing());

        // Send tap event at a point inside the popup.
        // i.e. coordinates between PopupZoomer.ZOOM_BOUNDS_MARGIN and
        // PopupZoomer.ZOOM_BOUNDS_MARGIN + 10
        sendSingleTapTouchEventOnView(mPopupZoomer, 30, 30);

        // Wait for the animation to finish (if there is any).
        mPopupZoomer.finishPendingDraws();

        // The view should still be visible as no OnTapListener is set.
        assertEquals(View.VISIBLE, mPopupZoomer.getVisibility());
        assertTrue(mPopupZoomer.isShowing());
    }
}