} else if (userAgent.indexOf("Safari") >= 0) {
                        uaType = UserAgentType.SAFARI;
                    } else if (userAgent.indexOf("Opera") >= 0) {
                        uaType = UserAgentType.OPERA;
                    }
                }
                if (uaType == null) {
                    uaType = UserAgentType.OTHER;
                }

			// See issue #42334.
			//
			// If the file is on NFS, we can see EOPNOTSUPP.
			// See issue #40731.
			//
			// If the process is running inside a Docker container,
			// we might see EPERM instead of ENOSYS. See issue
			// #40893. Since EPERM might also be a legitimate error,
			// don't mark copy_file_range(2) as unsupported.
			return 0, false, nil
		case nil:
			if n == 0 {
				// If we did not read any bytes at all,

	if err != nil {
		return nil, err
	}
	defer syscall.CertFreeCertificateChain(topCtx)

	chain, topErr := verifyChain(c, topCtx, opts)
	if topErr == nil {
		chains = append(chains, chain)
	}

	if lqCtxCount := topCtx.LowerQualityChainCount; lqCtxCount > 0 {
		lqCtxs := unsafe.Slice(topCtx.LowerQualityChains, lqCtxCount)

	XXLOR	VS31, VS31, V17
	VADDUWM	V16, V6, V6
	VADDUWM	V17, V7, V7

	CMPU	INP, END
	BLT	loop

	LVX	(TBL)(R_x000), V8
	VPERM	V0, V1, KI, V0
	LVX	(TBL)(R_x010), V9
	VPERM	V4, V5, KI, V4
	VPERM	V0, V2, V8, V0
	VPERM	V4, V6, V8, V4
	VPERM	V0, V3, V9, V0
	VPERM	V4, V7, V9, V4
	STXVD2X	V0, (CTX+R_x000)
	STXVD2X	V4, (CTX+R_x010)

end:

		return syscall.EISDIR
	}
	err = unix.Eaccess(file, unix.X_OK)
	// ENOSYS means Eaccess is not available or not implemented.
	// EPERM can be returned by Linux containers employing seccomp.
	// In both cases, fall back to checking the permission bits.
	if err == nil || (err != syscall.ENOSYS && err != syscall.EPERM) {
		return err
	}
	if m&0111 != 0 {
		return nil
	}
	return fs.ErrPermission
}

	// Third round
	VPERM T1, T0, SEL1, RED2    // d1 d0 d1 d0
	VPERM ZER, RED2, SEL2, RED1 // 0  d1 d0  0
	VSQ   RED1, RED2, RED2      // Guaranteed not to underflow

	VSLDB $8, T1, T0, T0
	VSLDB $8, T2, T1, T1

	VACCQ  T0, RED1, CAR1
	VAQ    T0, RED1, T0
	VACCCQ T1, RED2, CAR1, CAR2
	VACQ   T1, RED2, CAR1, T1
	VAQ    T2, CAR2, T2

	// Last round
	VPERM T1, T0, SEL1, RED2    // d1 d0 d1 d0

	VADDUDM	V16, V6, V6
	VADDUDM	V17, V7, V7

	CMPU	INP, END
	BLT	loop

#ifdef GOARCH_ppc64le
	VPERM	V0, V1, KI, V0
	VPERM	V2, V3, KI, V2
	VPERM	V4, V5, KI, V4
	VPERM	V6, V7, KI, V6
#else
	VPERM	V1, V0, KI, V0
	VPERM	V3, V2, KI, V2
	VPERM	V5, V4, KI, V4
	VPERM	V7, V6, KI, V6
#endif
	STXVD2X	VS32, (CTX+R_x000)	// v0 = vs32
	STXVD2X	VS34, (CTX+R_x010)	// v2 = vs34

		// Some file systems do not support fallocate. We ignore that error as linking
		// can still take place, but you might SIGBUS when you write to the mmapped
		// area.
		if err != syscall.ENOTSUP && err != syscall.EPERM && err != errNoFallocate {
			return err
		}
	}
	err = out.f.Truncate(int64(filesize))
	if err != nil {
		Exitf("resize output file failed: %v", err)
	}

    }

    public void test_getUserAgentType_Opera() {
        getMockRequest().addHeader("user-agent", "Opera/9.80 (X11; U; Linux x86_64) Presto/2.9.181 Version/12.00");
        assertEquals(UserAgentType.OPERA, userAgentHelper.getUserAgentType());
    }

    public void test_getUserAgentType_OTHER() {
        getMockRequest().addHeader("user-agent", "Dummy");

	[]int{4, 2, 1, 3, 0},                // Perm(5)
	[]int{0, 2, 3, 1, 5, 4, 6, 7},       // Perm(8)
	[]int{2, 0, 8, 3, 4, 7, 6, 5, 1},    // Perm(9)
	[]int{0, 6, 5, 3, 8, 4, 1, 2, 9, 7}, // Perm(10)
	[]int{9, 14, 4, 11, 13, 8, 0, 6, 2, 12, 3, 7, 1, 10, 5, 15}, // Perm(16)
	[]int{},                             // Perm(0)
	[]int{0},                            // Perm(1)
	[]int{2, 4, 0, 3, 1},                // Perm(5)