@Test(expected = TechnicalException.class)
    public void testNoPattern() {
        Authorizer authorizer = new IpRegexpAuthorizer();
        authorizer.isAuthorized(MockWebContext.create(), new MockSessionStore(), null);
    }
This class tests the {@link IpRegexpAuthorizer}.

@author Jerome Leleu
@since 1.8.1
pac4j-http/src/test/java/org/pac4j/http/authorization/authorizer/IpRegexpAuthorizerTests.java