var _ error = new(mapError)

func TestImplements(t *testing.T) {
	for _, tt := range implementsTests {
		xv := TypeOf(tt.x).Elem()
		xt := TypeOf(tt.t).Elem()
		if b := xv.Implements(xt); b != tt.b {
			t.Errorf("(%s).Implements(%s) = %v, want %v", TypeString(xv), TypeString(xt), b, tt.b)
		}
	}
}

var assignableTests = []struct {
	x any
	t any
	b bool
}{
	{new(chan int), new(<-chan int), true},

	// then
	//   g(t) = f(t)/f'(t) = -½t(1 - xt²)
	// and the next guess is given by
	//   t2 = t - g(t) = ½t(3 - xt²)
	u := newFloat(z.prec)
	v := newFloat(z.prec)
	three := three()
	ng := func(t *Float) *Float {
		u.prec = t.prec
		v.prec = t.prec
		u.Mul(t, t)     // u = t²
		u.Mul(x, u)     //   = xt²
		v.Sub(three, u) // v = 3 - xt²
		u.Mul(t, v)     // u = t(3 - xt²)
		u.exp--         //   = ½t(3 - xt²)

		[6]*argField{ap_VecSReg_31_31_6_10, ap_Reg_11_15, ap_Reg_16_20}},
	{LXVL, 0xfc0007fe00000000, 0x7c00021a00000000, 0x0, // Load VSX Vector with Length X-form (lxvl XT,RA,RB)
		[6]*argField{ap_VecSReg_31_31_6_10, ap_Reg_11_15, ap_Reg_16_20}},
	{LXVLL, 0xfc0007fe00000000, 0x7c00025a00000000, 0x0, // Load VSX Vector with Length Left-justified X-form (lxvll XT,RA,RB)

	End() token.Pos
	exprNode()
}

func TestImplements(t *testing.T) {
	for _, tt := range implementsTests {
		xv := TypeOf(tt.x).Elem()
		xt := TypeOf(tt.t).Elem()
		if b := xv.Implements(xt); b != tt.b {
			t.Errorf("(%s).Implements(%s) = %v, want %v", xv.String(), xt.String(), b, tt.b)
		}
	}
}

var assignableTests = []struct {
	x any
	t any
	b bool
}{
	{new(chan int), new(<-chan int), true},

	// AT <at>, <Xt>
	{0xfff8ff00, 0xd5087800, AT, instArgs{arg_sysop_AT_SYS_CR_system}, at_sys_cr_system_cond},
	// DC <dc>, <Xt>
	{0xfff8f000, 0xd5087000, DC, instArgs{arg_sysop_DC_SYS_CR_system}, dc_sys_cr_system_cond},
	// IC <ic>, {<Xt>}
	{0xfff8f000, 0xd5087000, IC, instArgs{arg_sysop_IC_SYS_CR_system}, ic_sys_cr_system_cond},
	// TLBI <tlbi>, {<Xt>}

		runTest(reflect.ValueOf(t))
	}
}

func runTest(f reflect.Value) {
	xt := f.Type().In(0)
	st := f.Type().In(1)

	for _, x := range []int{1, 0, -1} {
		for _, s := range []int{-99, -64, -63, -32, -31, -16, -15, -8, -7, -1, 0, 1, 7, 8, 15, 16, 31, 32, 63, 64, 99} {
			args := []reflect.Value{
				reflect.ValueOf(x).Convert(xt),
				reflect.ValueOf(s).Convert(st),
			}
			if s < 0 {
				shouldPanic(func() {

typealias X<XT> = List<X>
class A {
    typealias Y<YS, YV> = Map<YS, YV>

    class B {
        typealias Q<QS, QV> = MutableMap<QS, QV>
    }
}

fun foo() {
    typealias L<LS, LV> = Map<LS, LV>

fun x() {
    val xProperty = 10
    fun xFunction() = 11
    typealias xTypealias = 10
    class XClass<XT> {}
    enum class XEnum {
        X_ENUM_ENTRY;

        fun xEnumMember(){}
    }

    class Y <YT> {
        val yProperty = 10
        fun yFunction() = 11
        typealias yTypealias = 10
        class YClass<YTT> {}
        enum class YEnum {
            Y_ENUM_ENTRY;

            fun yEnumMember(){}

	if p.To.Offset&0xfffffe07 != 0xfffffe00 {
		c.ctxt.Diag("Constant(%d) must within the range of [-512,-8] in steps of 8\n%v", p.To.Offset, p)
	}
	out[0] = o0
}

// lxvkq XT,UIM
func type_lxvkq(c *ctxt9, p *obj.Prog, t *Optab, out *[5]uint32) {
	o0 := GenOpcodes[p.As-AXXSETACCZ]
	o0 |= uint32((p.To.Reg>>5)&0x1) << 0   // TX
	o0 |= uint32(p.To.Reg&0x1f) << 21      // T

    assertInvalid("te<t/plain", "No subtype found for: \"te<t/plain\"")
    assertInvalid(" text/plain", "No subtype found for: \" text/plain\"")
    assertInvalid("te xt/plain", "No subtype found for: \"te xt/plain\"")
    assertInvalid("text /plain", "No subtype found for: \"text /plain\"")
    assertInvalid("text/ plain", "No subtype found for: \"text/ plain\"")
    assertInvalid(
      "text/pl@in",