@Test
    public void testAddParameterWithoutParameter() {
        assertEquals(URL_WITHOUT_PARAMETER + "?" + NAME + "=" + ENCODED_VALUE,
                CommonHelper.addParameter(URL_WITHOUT_PARAMETER, NAME, VALUE));
    }
This class tests the {@link CommonHelper} class.

@author Jerome Leleu
@since 1.4.0
pac4j-core/src/test/java/org/pac4j/core/util/CommonHelperTests.java