then:
        file("build/reports/pmd/main.xml").assertContents(Matchers.containsText('BadClass'))

        when:
        file('src/main/java/org/gradle/BadClass.java').delete()
        succeeds('pmdMain')

        then:
        file("build/reports/pmd/main.xml").assertContents(CoreMatchers.not(containsString('BadClass')))
    }

    def 'incremental analysis invalidated when #reason'() {
        given: