How to verify an attribute is present in an element using Selenium WebDriver?

Question

I have many radio buttons on my screen. When a radio button is selected, it has an attribute of checked. When the radio button is not selected, the checked attribute is not

Answer 1

Look here:

getAttribute(java.lang.String name)

Returns: The attribute's current value or null if the value is not set.

Use whatever test framework you're using to assert that the value is null

Assert.IsNull(getSingleElement(XXX).getAttribute("checked"));