parser.parse(['-a'])

        then:
        def e = thrown(CommandLineArgumentException)
        e.message == 'Unknown command-line option \'-a\'.'
    }

    def parseFailsWhenCommandLineContainsUnknownShortOptionWithDoubleDashes() {
        when:
        parser.parse(['--a'])

        then:
        def e = thrown(CommandLineArgumentException)
        e.message == 'Unknown command-line option \'--a\'.'
    }

     *
     * @param commandLine The command-line.
     * @return The parsed command line.
     * @throws org.gradle.cli.CommandLineArgumentException
     *          On parse failure.
     */
    public ParsedCommandLine parse(String... commandLine) throws CommandLineArgumentException {
        return parse(Arrays.asList(commandLine));
    }

    /**
     * Parses the given command-line.
     *

        1 * executionListener.onFailure({it instanceof CommandLineArgumentException})
        0 * executionListener._
    }

    def "reports failure to build action due to command-line parse failure"() {
        def failure = new CommandLineArgumentException("<broken>")

        when:
        def commandLineExecution = factory.convert(['--some-option'])

import org.gradle.api.launcher.cli.WelcomeMessageConfiguration;
import org.gradle.api.launcher.cli.WelcomeMessageDisplayMode;
import org.gradle.api.logging.configuration.LoggingConfiguration;
import org.gradle.cli.CommandLineArgumentException;
import org.gradle.cli.CommandLineParser;
import org.gradle.cli.ParsedCommandLine;
import org.gradle.configuration.DefaultBuildClientMetaData;
import org.gradle.configuration.GradleLauncherMetaData;