if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        JacocoViolationRuleImpl that = (JacocoViolationRuleImpl) o;

        if (enabled != that.enabled) {
            return false;
        }
        if (scope != that.scope) {
            return false;
        }

        })

        then:
        1 * instantiator.newInstance(JacocoViolationRuleImpl.class) >> new JacocoViolationRuleImpl()
        violationRulesContainer.rules.size() == 2
        violationRulesContainer.rules[1] == rule
    }

    def "returned rules are unmodifiable"() {
        when:
        violationRulesContainer.rules << new JacocoViolationRuleImpl()

        then:
        thrown(UnsupportedOperationException)
    }

import org.gradle.api.Action
import org.gradle.testing.jacoco.tasks.rules.JacocoLimit
import spock.lang.Specification

class JacocoViolationRuleImplTest extends Specification {

    JacocoViolationRuleImpl rule = new JacocoViolationRuleImpl()

    def "provides expected default field values"() {
        expect:
        rule.enabled
        rule.element == 'BUNDLE'
        rule.includes == ['*']
        rule.excludes == []

    }

    @Override
    public JacocoViolationRule rule(Action<? super JacocoViolationRule> configureAction) {
        JacocoViolationRule validationRule = instantiator.newInstance(JacocoViolationRuleImpl.class);
        configureAction.execute(validationRule);
        rules.add(validationRule);
        return validationRule;
    }

Class <org.gradle.internal.jacoco.rules.JacocoViolationRuleImpl> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (JacocoViolationRuleImpl.java:0)