var localtests = []TimeTest{
	{0, parsedTime{1969, December, 31, 16, 0, 0, 0, Wednesday, -8 * 60 * 60, "PST"}},
	{1221681866, parsedTime{2008, September, 17, 13, 4, 26, 0, Wednesday, -7 * 60 * 60, "PDT"}},
	{2159200800, parsedTime{2038, June, 3, 11, 0, 0, 0, Thursday, -7 * 60 * 60, "PDT"}},
	{2152173599, parsedTime{2038, March, 14, 1, 59, 59, 0, Sunday, -8 * 60 * 60, "PST"}},
	{2152173600, parsedTime{2038, March, 14, 3, 0, 0, 0, Sunday, -7 * 60 * 60, "PDT"}},

	"Apr",
	"May",
	"Jun",
	"Jul",
	"Aug",
	"Sep",
	"Oct",
	"Nov",
	"Dec",
}

var longMonthNames = []string{
	"January",
	"February",
	"March",
	"April",
	"May",
	"June",
	"July",
	"August",
	"September",
	"October",
	"November",
	"December",
}

// match reports whether s1 and s2 match ignoring case.
// It is assumed s1 and s2 are the same length.

}

// A Month specifies a month of the year (January = 1, ...).
type Month int

const (
	January Month = 1 + iota
	February
	March
	April
	May
	June
	July
	August
	September
	October
	November
	December
)

// String returns the English name of the month ("January", "February", ...).
func (m Month) String() string {

	p.numRunes += len(re.Rune)
	if re.Op == OpCharClass && len(re.Rune) == 2 && re.Rune[0] == re.Rune[1] {
		// Single rune.
		if p.maybeConcat(re.Rune[0], p.flags&^FoldCase) {
			return nil
		}
		re.Op = OpLiteral
		re.Rune = re.Rune[:1]
		re.Flags = p.flags &^ FoldCase
	} else if re.Op == OpCharClass && len(re.Rune) == 4 &&
		re.Rune[0] == re.Rune[1] && re.Rune[2] == re.Rune[3] &&

	{"x \xc0\xc0 ", "x \xc0\xc0"},
	{"x ☺\xc0\xc0 ", "x ☺\xc0\xc0"},
	{"x ☺ ", "x ☺"},
}

func tenRunes(ch rune) string {
	r := make([]rune, 10)
	for i := range r {
		r[i] = ch
	}
	return string(r)
}

// User-defined self-inverse mapping function
func rot13(r rune) rune {
	step := rune(13)
	if r >= 'a' && r <= 'z' {
		return ((r - 'a' + step) % 26) + 'a'
	}
	if r >= 'A' && r <= 'Z' {

	}

	// 5. Drop
	dropNotLatin := func(r rune) rune {
		if unicode.Is(unicode.Latin, r) {
			return r
		}
		return -1
	}
	m = Map(dropNotLatin, []byte("Hello, 세계"))
	expect = "Hello"
	if string(m) != expect {
		t.Errorf("drop: expected %q got %q", expect, m)
	}

	// 6. Invalid rune
	invalidRune := func(r rune) rune {
		return utf8.MaxRune + 1
	}

	{"%+q", "\U0010ffff", `"\U0010ffff"`},
	{"%#q", "\U0010ffff", "`􏿿`"},
	{"%#+q", "\U0010ffff", "`􏿿`"},
	// Runes that are not valid.
	{"%q", string(rune(0x110000)), `"�"`},
	{"%+q", string(rune(0x110000)), `"\ufffd"`},
	{"%#q", string(rune(0x110000)), "`�`"},
	{"%#+q", string(rune(0x110000)), "`�`"},

	// characters
	{"%c", uint('x'), "x"},
	{"%c", 0xe4, "ä"},
	{"%c", 0x672c, "本"},
	{"%c", '日', "日"},

	var args []string
	arg := make([]rune, len(s))
	escaped := false
	quoted := false
	quote := '\x00'
	i := 0
	for _, rune := range s {
		switch {
		case escaped:
			escaped = false
		case rune == '\\':
			escaped = true
			continue
		case quote != '\x00':
			if rune == quote {
				quote = '\x00'
				continue
			}
		case rune == '"' || rune == '\'':
			quoted = true

		{`package c1b; var _ = int(0)`, `int(0)`, `int`, `0`},
		{`package c1c; type T int; var _ = T(0)`, `T(0)`, `c1c.T`, `0`},

		{`package c2a; var _ = rune('A')`, `'A'`, `rune`, `65`},
		{`package c2b; var _ = rune('A')`, `rune('A')`, `rune`, `65`},
		{`package c2c; type T rune; var _ = T('A')`, `T('A')`, `c2c.T`, `65`},

		{`package c3a; var _ = float32(0.)`, `0.`, `float32`, `0`},

		{`package c1b; var _ = int(0)`, `int(0)`, `int`, `0`},
		{`package c1c; type T int; var _ = T(0)`, `T(0)`, `c1c.T`, `0`},

		{`package c2a; var _ = rune('A')`, `'A'`, `rune`, `65`},
		{`package c2b; var _ = rune('A')`, `rune('A')`, `rune`, `65`},
		{`package c2c; type T rune; var _ = T('A')`, `T('A')`, `c2c.T`, `65`},

		{`package c3a; var _ = float32(0.)`, `0.`, `float32`, `0`},