final View parent = (View) mButton1.getParent();
ViewAsserts.assertTopAligned(mButton1, parent);
ViewAsserts.assertTopAligned(mButton2, parent);
ViewAsserts.assertTopAligned(mButton3, parent);
ViewAsserts.assertBottomAligned(mButton1, parent);
ViewAsserts.assertBottomAligned(mButton2, parent);
ViewAsserts.assertBottomAligned(mButton3, parent);
ViewAsserts.assertTopAligned(mButton1, mButton2);
ViewAsserts.assertTopAligned(mButton2, mButton3);
ViewAsserts.assertBottomAligned(mButton1, mButton2);
ViewAsserts.assertBottomAligned(mButton2, mButton3);