{decQuantity(1000000, 3, DecimalSI), "1G", ""},
		{decQuantity(1000000000, 0, DecimalSI), "1G", ""},
		{decQuantity(1, -3, DecimalSI), "1m", "1000u"},
		{decQuantity(80, -3, DecimalSI), "80m", ""},
		{decQuantity(1080, -3, DecimalSI), "1080m", "1.08"},
		{decQuantity(108, -2, DecimalSI), "1080m", "1080000000n"},
		{decQuantity(10800, -4, DecimalSI), "1080m", ""},
		{decQuantity(300, 6, DecimalSI), "300M", ""},

	int64(73220195),            // Int64N(1000000000)
	int64(686060398),           // Int64N(1073741824)

	int64(0),                   // IntN(1)
	int64(6),                   // IntN(10)
	int64(8),                   // IntN(32)
	int64(704922),              // IntN(1048576)
	int64(245656),              // IntN(1048577)
	int64(41205257),            // IntN(1000000000)
	int64(43831929),            // IntN(1073741824)

					Timestamp: 1,
					UsageCoreNanoSeconds: &runtimeapi.UInt64Value{
						Value: 10000000000,
					},
				},
			},
			cpuUsageCache: map[string]*cpuUsageRecord{
				"1": {
					stats: &runtimeapi.CpuUsage{
						Timestamp: 0,
						UsageCoreNanoSeconds: &runtimeapi.UInt64Value{
							Value: 10000000000,
						},
					},
				},
			},
			expected: &value0,
		},
		{

        def socket = new DatagramSocket(0, addressFactory.wildcardBindingAddress)
        (1..500).each {
            addressFactory.communicationAddresses.each { address ->
                byte[] bytes = [1, 0, 0, 0, 0, 0, 0, 0, 0]
                DatagramPacket confirmPacket = new DatagramPacket(bytes, bytes.length, address, receivingSocket.localPort)
                socket.send(confirmPacket)
            }
        }

        then:

        assertEquals("1.0 GB", format.format(_999_megabytes, ScaleUnit.GIGABYTE));

        long _1000_megabytes = 1000L * 1000L * 1000L;
        assertEquals("1.0 GB", format.format(_1000_megabytes));
        assertEquals("1000000000 B", format.format(_1000_megabytes, ScaleUnit.BYTE));
        assertEquals("1000000 kB", format.format(_1000_megabytes, ScaleUnit.KILOBYTE));
        assertEquals("1000 MB", format.format(_1000_megabytes, ScaleUnit.MEGABYTE));

	{"2021-09-29T16:04:33.000000001Z", 1},
	{"2021-09-29T16:04:33.100000000Z", 100_000_000},
	{"2021-09-29T16:04:33.100000001Z", 100_000_001},
	{"2021-09-29T16:04:33.999999999Z", 999_999_999},
	{"2021-09-29T16:04:33.012345678Z", 12_345_678},
	// 10 digits, truncates
	{"2021-09-29T16:04:33.0000000000Z", 0},
	{"2021-09-29T16:04:33.0000000001Z", 0},
	{"2021-09-29T16:04:33.1000000000Z", 100_000_000},
	{"2021-09-29T16:04:33.1000000009Z", 100_000_000},

			div: 2,
			ret: 4,
			rem: 0,
		},
		{
			num: 9,
			div: 2,
			ret: 4,
			rem: 1,
		},
		{
			// Used by runtime.check.
			num: 12345*1000000000 + 54321,
			div: 1000000000,
			ret: 12345,
			rem: 54321,
		},
		{
			num: 1<<32 - 1,
			div: 2,
			ret: 1<<31 - 1, // no overflow.
			rem: 1,
		},
		{
			num: 1 << 32,
			div: 2,

	fs := make(fakeFS)
	for i, test := range tests {
		testFile := &fakeFileInfo{basename: test.name}
		fs[fmt.Sprintf("/%d", i)] = &fakeFileInfo{
			dir:     true,
			modtime: time.Unix(1000000000, 0).UTC(),
			ents:    []*fakeFileInfo{testFile},
		}
		fs[fmt.Sprintf("/%d/%s", i, test.name)] = testFile
	}

	ts := newClientServerTest(t, mode, FileServer(&fs)).ts
	for i, test := range tests {

	// we cannot receive another signal.
	MOVD	40(R1), R6
	MOVD	R6, m_vdsoSP(R21)
	MOVD	32(R1), R6
	MOVD	R6, m_vdsoPC(R21)

return:
	// sec is in R3, nsec in R5
	// return nsec in R3
	MOVD	$1000000000, R4
	MULLD	R4, R3
	ADD	R5, R3
	MOVD	R3, ret+0(FP)
	RET

	// Syscall fallback
fallback:
	ADD	$32, R1, R4
	SYSCALL $SYS_clock_gettime
	MOVD	32(R1), R3
	MOVD	40(R1), R5
	JMP	return

	t0 := runtime.Nanotime1()
	var secrem uint32
	var nsecrem uint32
	total := time.Sec*1000000000 + time.Nsec
	elapsed := runtime.Nanotime1() - t0
	var rv int32
	var rc int32
	var err error
	// repeatedly sleep for 1 second until less than 1 second left
	for total-elapsed > 1000000000 {
		rv, rc, _ = BpxCondTimedWait(uint32(1), uint32(0), uint32(CW_CONDVAR), &secrem, &nsecrem)