{"-12345.000000000000000000001", -12345, Above},
		{"-12345.0", -12345, Exact},
		{"-1.000000000000000000001", -1, Above},
		{"-1.5", -1, Above},
		{"-1", -1, Exact},
		{"-1e-1000", 0, Above},
		{"0", 0, Exact},
		{"1e-1000", 0, Below},
		{"1", 1, Exact},
		{"1.000000000000000000001", 1, Below},
		{"1.5", 1, Below},
		{"12345.0", 12345, Exact},
		{"12345.000000000000000000001", 12345, Below},

	{CaseName: Name(""), in: `0.000001`, ptr: new(float64), out: 0.000001, golden: true},
	{CaseName: Name(""), in: `1e-7`, ptr: new(float64), out: 1e-7, golden: true},
	{CaseName: Name(""), in: `100000000000000000000`, ptr: new(float64), out: 100000000000000000000.0, golden: true},
	{CaseName: Name(""), in: `1e+21`, ptr: new(float64), out: 1e21, golden: true},
	{CaseName: Name(""), in: `-0.000001`, ptr: new(float64), out: -0.000001, golden: true},

    assertInvalid(
      "http://[0000::0000:0000:0000:0000::0001]",
      "Invalid URL host: \"[0000::0000:0000:0000:0000::0001]\"",
    )
    assertInvalid(
      "http://[::0000:0000:0000:0000::0001]",
      "Invalid URL host: \"[::0000:0000:0000:0000::0001]\"",
    )
  }

  @Test
  fun hostIpv6ScopedAddress() {
    // java.net.InetAddress parses scoped addresses. These aren't valid in URLs.

		s  string
	}{
		{
			ip: Addr{},
			s:  "invalid IP",
		},
		{
			ip: mustIP("192.0.2.1"),
			s:  "192.0.2.1",
		},
		{
			ip: mustIP("::ffff:192.0.2.1"),
			s:  "0000:0000:0000:0000:0000:ffff:c000:0201",
		},
		{
			ip: mustIP("2001:db8::1"),
			s:  "2001:0db8:0000:0000:0000:0000:0000:0001",
		},
		{
			ip: mustIP("2001:db8::1%eth0"),

	{"-9223372036854775808ns", -1 << 63 * Nanosecond},
	// largest negative round trip value, see https://golang.org/issue/48629
	{"-2562047h47m16.854775808s", -1 << 63 * Nanosecond},
	// huge string; issue 15011.
	{"0.100000000000000000000h", 6 * Minute},
	// This value tests the first overflow check in leadingFraction.
	{"0.830103483285477580700h", 49*Minute + 48*Second + 372539827*Nanosecond},
}

func TestParseDuration(t *testing.T) {