class DefaultOperatingSystemTest extends Specification {
    def "has useful string representation"() {
        def os = new DefaultOperatingSystem("sunos")

        expect:
        os.toString() == "operating system 'sunos'"
        os.displayName == "operating system 'sunos'"
        os.internalOs == OperatingSystem.SOLARIS
    }

    def "recognises key operating systems"() {
        def os = new DefaultOperatingSystem(name)

			t.Fatalf("SupportSockNonblockCloexec and SupportAccept4 are true, but kernel version is older than 5.11, SunOS version: %d.%d", major, minor)
		}
		if !gotSock && !gotAccept4 && (major > 5 || (major == 5 && minor >= 11)) {
			t.Errorf("SupportSockNonblockCloexec and SupportAccept4 are false, but kernel version is 5.11 or newer, SunOS version: %d.%d", major, minor)
		}
	} else { // Solaris

#

_init() {

	shopt -s extglob

	## Minimum required versions for build dependencies
	GIT_VERSION="1.0"
	GO_VERSION="1.16"
	OSX_VERSION="10.8"
	KNAME=$(uname -s)
	ARCH=$(uname -m)
	case "${KNAME}" in
	SunOS)
		ARCH=$(isainfo -k)
		;;
	esac
}

## FIXME:
## In OSX, 'readlink -f' option does not exist, hence
## we have our own readlink -f behavior here.
## Once OSX has the option, below function is good enough.

        def os = new OperatingSystem.MacOs()

        expect:
        !os.windows
        os.unix
        os.macOsX
    }

    def "uses os.name property to determine if sunos"() {
        when:
        System.properties['os.name'] = 'SunOS'

        then:
        OperatingSystem.current() instanceof OperatingSystem.Solaris

        when:
        System.properties['os.name'] = 'solaris'

        then:

 *         <td>"linux"</td>
 *     </tr>
 *     <tr>
 *         <td>MacOS</td>
 *         <td>"osx", "mac os x", "darwin"</td>
 *     </tr>
 *     <tr>
 *         <td>Solaris</td>
 *         <td>"solaris", "sunos"</td>
 *     </tr>
 * </table>
 */
public interface OperatingSystem extends Named {
    @Input
    @Override
    String getName();

    /**

            return WINDOWS;
        } else if (osName.contains("mac os x") || osName.contains("darwin") || osName.contains("osx")) {
            return MAC_OS;
        } else if (osName.contains("sunos") || osName.contains("solaris")) {
            return SOLARIS;
        } else if (osName.contains("linux")) {
            return LINUX;
        } else if (osName.contains("freebsd")) {
            return FREE_BSD;

		// Something wrong with socket(), fall back to checking the kernel version.
		major, minor := KernelVersion()
		if runtime.GOOS == "illumos" {
			return major > 5 || (major == 5 && minor >= 11) // minimal requirement is SunOS 5.11
		}
		return major > 11 || (major == 11 && minor >= 4)
	}
	return false
})

// SupportAccept4 tests whether accept4 system call is available.
var SupportAccept4 = sync.OnceValue(func() bool {
	for {

// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//
// System calls and other sys.stuff for AMD64, SunOS
// /usr/include/sys/syscall.h for syscall numbers.
//

#include "go_asm.h"
#include "go_tls.h"
#include "textflag.h"

// This is needed by asm_amd64.s
TEXT runtime·settls(SB),NOSPLIT,$8
	RET

				"application/x-font-libgrx",
				"application/x-font-linux-psf",
				"application/x-font-otf",
				"application/x-font-pcf",
				"application/x-font-snf",
				"application/x-font-speedo",
				"application/x-font-sunos-news",
				"application/x-font-ttf",
				"application/x-font-type1",
				"application/x-font-adobe-metric",
				"application/x-font-printer-metric",
				"application/x-font-vfont",
				"application/x-foxmail",

  </mime-type>
  <mime-type type="application/x-font-snf">
    <glob pattern="*.snf"/>
  </mime-type>
  <mime-type type="application/x-font-speedo"/>
  <mime-type type="application/x-font-sunos-news"/>

  <mime-type type="application/x-font-ttf">
    <acronym>TTF</acronym>
    <_comment>TrueType Font</_comment>
    <glob pattern="*.ttf"/>
    <glob pattern="*.ttc"/>
    <magic priority="40">