sidePanel.assertExpressionEquals("offsetWidth", 28);
sidePanel.assertExpressionEquals("offsetHeight", 200);
sidePanel.splitter().assertExpressionEquals("offsetWidth", 12);
sidePanel.splitter().assertExpressionEquals("offsetHeight", 196);
sidePanel.panel().assertExpressionEquals("offsetWidth", 8);
sidePanel.panel().assertExpressionEquals("offsetHeight", 196);
sidePanel.caption().assertExpressionEquals("offsetWidth", 0);
sidePanel.caption().assertExpressionEquals("offsetHeight", 0);
sidePanel.content().assertExpressionEquals("offsetWidth", 0);
sidePanel.content().assertExpressionEquals("offsetHeight", 0);