result.hasOption('long-option-a')
        result.option('long-option-a').value == 'arg'
        result.option('long-option-a').values == ['arg']
    }

    def parsesLongOptionWithEqualsArgument() {
        parser.option('long-option-a').hasArgument()

        expect:
        def result = parser.parse(['--long-option-a=arg'])
        result.hasOption('long-option-a')