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// $G $D/$F.go && $L $F.$A && ./$A.out
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Check methods derived from embedded interface and *interface values.
package main
import "os"
const Value = 1e12
type Inter interface { M() int64 }
type T int64
func (t T) M() int64 { return int64(t) }
var t = T(Value)
var pt = &t
var ti Inter = t
var pti = &ti
type S struct { Inter }
var s = S{ ti }
var ps = &s
type SP struct { *Inter }
var sp = SP{ &ti }
var psp = &sp
var i Inter
var pi = &i
var ok = true
func check(s string, v int64) {
if v != Value {
println(s, v)
ok = false
}
}
func main() {
check("t.M()", t.M())
check("pt.M()", pt.M())
check("ti.M()", ti.M())
check("pti.M()", pti.M())
check("s.M()", s.M())
check("ps.M()", ps.M())
check("sp.M()", sp.M())
check("psp.M()", psp.M())
i = t
check("i = t; i.M()", i.M())
check("i = t; pi.M()", pi.M())
i = pt
check("i = pt; i.M()", i.M())
check("i = pt; pi.M()", pi.M())
i = s
check("i = s; i.M()", i.M())
check("i = s; pi.M()", pi.M())
i = ps
check("i = ps; i.M()", i.M())
check("i = ps; pi.M()", pi.M())
i = sp
check("i = sp; i.M()", i.M())
check("i = sp; pi.M()", pi.M())
i = psp
check("i = psp; i.M()", i.M())
check("i = psp; pi.M()", pi.M())
if !ok {
println("BUG: interface10")
os.Exit(1)
}
}
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