}

    @Override
    public void assertIvyAndJarFilePublished() {
        backingModule.assertIvyAndJarFilePublished();
    }

    @Override
    public void assertMetadataAndJarFilePublished() {
        backingModule.assertMetadataAndJarFilePublished();
    }

    @Override
    public IvyModule withVariant(String name, Closure<?> action) {
        backingModule.withVariant(name, action);
        return this;

    void assertIvyAndJarFilePublished();

    /**
     * Assert that exactly the module metadata file, ivy.xml and jar file for this module, plus checksum files, have been published.
     */
    void assertMetadataAndJarFilePublished();

    void assertPublishedAsJavaModule();

    void assertPublishedAsWebModule();

        module.moduleMetadata.sha512.expectParentCheckdir()
        module.moduleMetadata.sha512.expectFileUpload()

        then:
        succeeds 'publish'

        module.assertMetadataAndJarFilePublished()
        module.jarFile.assertIsCopyOf(file('build/libs/publish-2.jar'))

        where:
        layout   | m2Compatible
        'gradle' | false
        'maven'  | true
    }