codekingpro/portable-devtools

1// run2 3// Copyright 2009 The Go Authors. All rights reserved.4// Use of this source code is governed by a BSD-style5// license that can be found in the LICENSE file.6 7// Test methods derived from embedded interface values.8 9package main10 11import "os"12 13const Value = 1e1214 15type Inter interface { M() int64 }16 17type T int6418func (t T) M() int64 { return int64(t) }19var t = T(Value)20var pt = &t21var ti Inter = t22 23type S struct { Inter }24var s = S{ ti }25var ps = &s26 27var i Inter28 29var ok = true30 31func check(s string, v int64) {32	if v != Value {33		println(s, v)34		ok = false35	}36}37 38func main() {39	check("t.M()", t.M())40	check("pt.M()", pt.M())41	check("ti.M()", ti.M())42	check("s.M()", s.M())43	check("ps.M()", ps.M())44 45	i = t46	check("i = t; i.M()", i.M())47 48	i = pt49	check("i = pt; i.M()", i.M())50 51	i = s52	check("i = s; i.M()", i.M())53 54	i = ps55	check("i = ps; i.M()", i.M())56 57	if !ok {58		println("BUG: interface10")59		os.Exit(1)60	}61}62