assert(s, "\xf4\x8f\xbf\xbf", "largest rune")
	r = 0x10ffff + 1
	s = string(r)
	assert(s, "\xef\xbf\xbd", "too-large rune")
	r = 0xD800
	s = string(r)
	assert(s, "\xef\xbf\xbd", "surrogate rune min")
	r = 0xDFFF
	s = string(r)
	assert(s, "\xef\xbf\xbd", "surrogate rune max")
	r = -1
	s = string(r)
	assert(s, "\xef\xbf\xbd", "negative rune")

	// the large rune tests again, this time using constants instead of a variable.

// Examples from the language spec section on string conversions.

package main

func main() {
	// 1
	_ = string('a')  // "a"
	_ = string(-1)   // "\ufffd" == "\xef\xbf\xbd"
	_ = string(0xf8) // "\u00f8" == "ø" == "\xc3\xb8"

	type myString string
	_ = myString(0x65e5) // "\u65e5" == "日" == "\xe6\x97\xa5"

	// 2
	_ = string([]byte{'h', 'e', 'l', 'l', '\xc3', '\xb8'}) // "hellø"

		// one of:
		want    string
		wantErr error
	}{
		{in: `"foo"`, want: "foo"},
		{in: `"foo`, wantErr: ErrSyntax},
		{in: `"` + "\xc0" + `"`, want: "\xef\xbf\xbd"},
		{in: `"a` + "\xc0" + `"`, want: "a\xef\xbf\xbd"},
		{in: `"\t` + "\xc0" + `"`, want: "\t\xef\xbf\xbd"},
	}
	for _, tt := range tests {
		testUnquote(t, tt.in, tt.want, tt.wantErr)
	}
}

func testUnquote(t *testing.T, in, want string, wantErr error) {

	"\xB2", "%B2",
	"\xB3", "%B3",
	"\xB4", "%B4",
	"\xB5", "%B5",
	"\xB6", "%B6",
	"\xB7", "%B7",
	"\xB8", "%B8",
	"\xB9", "%B9",
	"\xBA", "%BA",
	"\xBB", "%BB",
	"\xBC", "%BC",
	"\xBD", "%BD",
	"\xBE", "%BE",
	"\xBF", "%BF",
	"\xC0", "%C0",
	"\xC1", "%C1",
	"\xC2", "%C2",
	"\xC3", "%C3",
	"\xC4", "%C4",
	"\xC5", "%C5",
	"\xC6", "%C6",
	"\xC7", "%C7",
	"\xC8", "%C8",

int(-23)
int8(-2)
int64(2342425)
uint(1)
uint16(234)
uint32(352342)
uint64(123)
rune('œ')
byte('K')
byte('ÿ')
[]byte("hello¿")
[]byte("a")
bool(true)
string("hello\\xbd\\xb2=\\xbc ⌘")
float64(-12.5)
float32(2.5)`,
		},
		{
			desc: "float edge cases",
			// The two IEEE 754 bit patterns used for the math.Float{64,32}frombits

	"\x09\x89\x49\xc9\x29\xa9\x69\xe9\x19\x99\x59\xd9\x39\xb9\x79\xf9" +
	"\x05\x85\x45\xc5\x25\xa5\x65\xe5\x15\x95\x55\xd5\x35\xb5\x75\xf5" +
	"\x0d\x8d\x4d\xcd\x2d\xad\x6d\xed\x1d\x9d\x5d\xdd\x3d\xbd\x7d\xfd" +
	"\x03\x83\x43\xc3\x23\xa3\x63\xe3\x13\x93\x53\xd3\x33\xb3\x73\xf3" +
	"\x0b\x8b\x4b\xcb\x2b\xab\x6b\xeb\x1b\x9b\x5b\xdb\x3b\xbb\x7b\xfb" +
	"\x07\x87\x47\xc7\x27\xa7\x67\xe7\x17\x97\x57\xd7\x37\xb7\x77\xf7" +

	{0x5255866ad6ef28a6, 0x790ef2b16a745a41, "Nepal premier won't resign.", "crc\x02s\xba\x84\x84\xbb\xcd]\xef\xcbf\x11R\xbfh\xde\xc9", "crc\x02`&\x9aR\xe1\xb7\xfee6\x13ُ\x06_\xbd\x9a"},
	{0x8a79895be1e9c361, 0x3ef8f06daccdcddf, "For every action there is an equal and opposite government program.", "crc\x02s\xba\x84\x84\xbb\xcd]\xef\xf3pV\x01c_Wu", "crc\x02`&\x9aR\xe1\xb7\xfee\xe7\xc6\n\b\x12FL\xa0"},

				return (G2(267.0)*G2(i2) == G2(i) || func(G2, G3) bool {
					return <-ch0
				}(G2(53.3), <-ch5)) && func(G2, G1) int32 {
					return int32(63)
				}(G2(804.8), G1(2))-i32_0 < i32_1
			}('\xbd', i16_0)
		}(370.9, ast0[len([]complex128{})+i-i2].s0) && (G2(245.0)-G2(i1) == G2(i1) || byte(17)&m2[false][26].m0[G2(628.5)] > m3[false][55].m0[G2(608.8)] || func(G1, G1) bool {
			return true

	// recorded output from NewGCMTransformer at commit 3b1fc60d8010dd8b53e97ba80e4710dbb430beee
	const legacyCiphertext = "\x9f'\xc8\xfc\xea\x8aX\xc4g\xd8\xe47\xdb\xf2\xd8YU\xf9\xb4\xbd\x91/N\xf9g\u05c8\xa0\xcb\ay}\xac\n?\n\bE`\\\xa8Z\xc8V+J\xe1"

	ctx := context.Background()
	dataCtx := value.DefaultContext("bamboo")

	plaintext := []byte("pandas are the best")

	{0xffff, "\xef\xbf\xbf"},
	{0x10000, "\xf0\x90\x80\x80"},
	{0x10001, "\xf0\x90\x80\x81"},
	{0x40000, "\xf1\x80\x80\x80"},
	{0x10fffe, "\xf4\x8f\xbf\xbe"},
	{0x10ffff, "\xf4\x8f\xbf\xbf"},
	{0xFFFD, "\xef\xbf\xbd"},
}

var surrogateMap = []Utf8Map{
	{0xd800, "\xed\xa0\x80"}, // surrogate min decodes to (RuneError, 1)
	{0xdfff, "\xed\xbf\xbf"}, // surrogate max decodes to (RuneError, 1)
}

var testStrings = []string{
	"",