sidePanel04.assertExpressionEquals("offsetWidth", 50);
sidePanel04.splitter().dragAndDrop(-300, 0);
sidePanel04.assertExpressionEquals("offsetWidth", 350);
sidePanel04.splitter().dragAndDrop(-125, 0);
sidePanel04.assertExpressionEquals("offsetWidth", 450);
sidePanel04.splitter().dragAndDrop(-125, 0);
sidePanel04.assertExpressionEquals("offsetWidth", 450);
sidePanel04.splitter().dragAndDrop(+5, 0);
sidePanel04.assertExpressionEquals("offsetWidth", 445);
sidePanel04.splitter().dragAndDrop(+1000, 0);
sidePanel04.assertExpressionEquals("offsetWidth", 7);