when:
        publishArtifactNotationParser.parseNotation(null)

        then:
        thrown(UnsupportedNotationException)
    }

    def createArtifactWithUnknownNotationShouldThrowInvalidUserDataEx() {
        when:
        publishArtifactNotationParser.parseNotation(new Point(1, 2))

        then:
        def e = thrown(UnsupportedNotationException)