void testMinimumSegment() {
        assertOrder(X_LT_Y, "1.min", "1.0-alpha-1");
        assertOrder(X_LT_Y, "1.min", "1.0-SNAPSHOT");
        assertOrder(X_LT_Y, "1.min", "1.0");
        assertOrder(X_LT_Y, "1.min", "1.9999999999");

        assertOrder(X_EQ_Y, "1.min", "1.MIN");

        assertOrder(X_GT_Y, "1.min", "0.99999");
        assertOrder(X_GT_Y, "1.min", "0.max");
    }

    @Test
    void testMaximumSegment() {

    assertNull(Punycode.decode("xn--cat-ñ3h"))
  }

  @Test fun unterminatedCodePoint() {
    assertNull(Punycode.decode("xn--cat-n"))
  }

  @Test fun overflowI() {
    assertNull(Punycode.decode("xn--99999999"))
  }

  @Test fun overflowMaxCodePoint() {
    assertNull(Punycode.decode("xn--a-b.net"))
    assertNull(Punycode.decode("xn--a-9b.net"))
    assertEquals("a՚.net", Punycode.decode("xn--a-99b.net"))

  }

  public void testFromStringBadPort() {
    // Out-of-range ports.
    checkFromStringCase("google.com:65536", 1, null, 99, false);
    checkFromStringCase("google.com:9999999999", 1, null, 99, false);
    // Invalid port parts.
    checkFromStringCase("google.com:port", 1, null, 99, false);
    checkFromStringCase("google.com:-25", 1, null, 99, false);

// and since there is very little actual math. (Probably overflow doesn't matter in practice,
// but at the time this code was written, there was an existing test that used
// go1.99999999999, which does not fit in an int on 32-bit platforms.
// The "big decimal" representation avoids the problem entirely.)
type Version struct {
	Major string // decimal
	Minor string // decimal or ""

            } else if (token.isEmpty()) {
                ranges.add(new RangeValue("", false));
            }
        }
        if (ranges.size() < 2) {
            ranges.add(new RangeValue("99999999", false));
        }
        return ranges;
    }

    private static class RangeValue {
        private String value;

        private boolean closed;

            } else if (token.isEmpty()) {
                ranges.add(new RangeValue("", false));
            }
        }
        if (ranges.size() < 2) {
            ranges.add(new RangeValue("99999999", false));
        }
        return ranges;
    }

    private static class RangeValue {
        private String value;

        private boolean closed;

-- overlayfiles/subdir7_asubsubdir_file.txt --
-- overlayfiles/subdir7_zsubsubdir_file.txt --
-- overlayfiles/parentoverwritten_subdir1 --
x
-- overlayfiles/subdir9_this_file_is_overlaid.txt --
99999999
-- overlayfiles/subdir11 --
-- overlayfiles/this_is_a_directory/file.txt --
-- overlayfiles/textfile_txt_file.go --
x
`

func TestReadDir(t *testing.T) {
	initOverlay(t, readDirOverlay)

	//
	// From high to low bit position, wall encodes a 1-bit flag (hasMonotonic),
	// a 33-bit seconds field, and a 30-bit wall time nanoseconds field.
	// The nanoseconds field is in the range [0, 999999999].
	// If the hasMonotonic bit is 0, then the 33-bit field must be zero
	// and the full signed 64-bit wall seconds since Jan 1 year 1 is stored in ext.
	// If the hasMonotonic bit is 1, then the 33-bit field holds a 33-bit

		{
			duration: &durationpb.Duration{Seconds: 1},
			isValid:  true,
		},
		{
			duration: &durationpb.Duration{Seconds: 31},
			isValid:  true,
		},
		{
			duration: &durationpb.Duration{Seconds: 999999999},
			isValid:  false,
		},
	}

	for _, check := range checks {
		if got := ValidateConnectTimeout(check.duration); (got == nil) != check.isValid {

	if (std >> stdSeparatorShift) == 0 {
		return '.'
	}
	return ','
}

// appendNano appends a fractional second, as nanoseconds, to b
// and returns the result. The nanosec must be within [0, 999999999].
func appendNano(b []byte, nanosec int, std int) []byte {
	trim := std&stdMask == stdFracSecond9
	n := digitsLen(std)
	if trim && (n == 0 || nanosec == 0) {
		return b
	}
	dot := separator(std)