// 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 gover struct {
	major string // decimal
	minor string // decimal or ""
	patch string // decimal or ""

// 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 ""

		{"999", time.Date(2017, time.January, 1, 1, 1, 1, 999000, time.UTC), "999"},
		{"9999", time.Date(2083, time.March, 1, 1, 1, 1, 9999000, time.UTC), "9999"},
		{"99999", time.Date(2083, time.March, 1, 1, 1, 1, 99999000, time.UTC), "99999"},
		{"999999", time.Date(2083, time.March, 1, 1, 1, 1, 999999000, time.UTC), "999999"},
	}

	for _, v := range cases {
		t.Run(v.name, func(t *testing.T) {
			formatDate(v.input, testEnc)

		{1350244992, 23960108, "1350244992.023960108"},
		{+1, +1e9 - 1e0, "1.999999999"},
		{+1, +1e9 - 1e3, "1.999999"},
		{+1, +1e9 - 1e6, "1.999"},
		{+1, +0e0 - 0e0, "1"},
		{+1, +1e6 - 0e0, "1.001"},
		{+1, +1e3 - 0e0, "1.000001"},
		{+1, +1e0 - 0e0, "1.000000001"},
		{0, 1e9 - 1e0, "0.999999999"},
		{0, 1e9 - 1e3, "0.999999"},
		{0, 1e9 - 1e6, "0.999"},
		{0, 0e0, "0"},
		{0, 1e6 + 0e0, "0.001"},

			"aaa_____bbbb\n",
	},

	{
		"13a",
		4, 0, 1, '-', 0,
		"4444\t日本語\t22\t1\t333\n" +
			"999999999\t22\n" +
			"7\t22\n" +
			"\t\t\t88888888\n" +
			"\n" +
			"666666\t666666\t666666\t4444\n" +
			"1\t1\t999999999\t0000000000\n",

		"4444------日本語-22--1---333\n" +
			"999999999-22\n" +
			"7---------22\n" +
			"------------------88888888\n" +
			"\n" +
			"666666-666666-666666----4444\n" +

	{"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},
	{"2021-09-29T16:04:33.9999999999Z", 999_999_999},
	{"2021-09-29T16:04:33.0123456789Z", 12_345_678},

	# TODO(#45551): cmp stdout graph-1.16.txt


# Unsupported go versions should be rejected, since we don't know
# what versions they would report.
! go mod graph -go=1.99999999999
stderr '^invalid value "1\.99999999999" for flag -go: maximum supported Go version is '$goversion'\nusage: go mod graph \[-go=version\] \[-x\]\nRun ''go help mod graph'' for details.$'


-- go.mod --

	v        float64
	expected string
}{
	{0, "         0 x"},
	{1234.1, "      1234 x"},
	{-1234.1, "     -1234 x"},
	{999.950001, "      1000 x"},
	{999.949999, "       999.9 x"},
	{99.9950001, "       100.0 x"},
	{99.9949999, "        99.99 x"},
	{-99.9949999, "       -99.99 x"},
	{0.000999950001, "         0.001000 x"},
	{0.000999949999, "         0.0009999 x"}, // smallest case
	{0.0000999949999, "         0.0001000 x"},
}

	MaxDurationSizeJSON = 32
	// MaxDatetimeSizeJSON
	// OpenAPI datetime strings follow RFC 3339, section 5.6, and the longest possible
	// such string is 9999-12-31T23:59:59.999999999Z, which has length 30 - we add 2
	// to allow for quotation marks
	MaxDatetimeSizeJSON = 32
	// MinDurationSizeJSON
	// Golang allows a string of 0 to be parsed as a duration, so that plus 2 to account for

	stdFracSecond9 | 5<<stdArgShift: ".99999",
	stdFracSecond9 | 6<<stdArgShift: ".999999",
	stdFracSecond9 | 7<<stdArgShift: ".9999999",
	stdFracSecond9 | 8<<stdArgShift: ".99999999",
	stdFracSecond9 | 9<<stdArgShift: ".999999999",
}

var Quote = quote

var AppendInt = appendInt
var AppendFormatAny = Time.appendFormat
var AppendFormatRFC3339 = Time.appendFormatRFC3339
var ParseAny = parse