def componentUnderTest = new LibWithAnonymousClasses()
        componentUnderTest.writeToProject()

        outputs.snapshot { run language.compileTaskName }

        when:
        componentUnderTest.modifyAnonymousImplementation()
        run language.compileTaskName

        then:
        outputs.recompiledClasses 'Anonymous2', 'Anonymous2$1', 'Consumer'
    }