mirror of
https://github.com/golang/go
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100 lines
1.7 KiB
Go
100 lines
1.7 KiB
Go
// $G $D/$F.dir/lib.go && $G $D/$F.go && $L $F.$A && ./$A.out
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// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Tests that method calls through an interface always
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// call the locally defined method localT.m independent
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// at which embedding level it is and in which order
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// embedding is done.
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package main
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import "./lib"
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import "reflect"
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import "fmt"
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type localI interface {
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m() string
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}
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type localT struct{}
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func (t *localT) m() string {
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return "main.localT.m"
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}
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type myT1 struct {
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localT
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}
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type myT2 struct {
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localT
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lib.T
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}
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type myT3 struct {
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lib.T
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localT
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}
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func main() {
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var i localI
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i = new(localT)
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if i.m() != "main.localT.m" {
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println("BUG: localT:", i.m(), "called")
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}
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i = new(myT1)
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if i.m() != "main.localT.m" {
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println("BUG: myT1:", i.m(), "called")
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}
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i = new(myT2)
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if i.m() != "main.localT.m" {
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println("BUG: myT2:", i.m(), "called")
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}
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t3 := new(myT3)
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if t3.m() != "main.localT.m" {
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println("BUG: t3:", t3.m(), "called")
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}
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i = new(myT3)
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if i.m() != "main.localT.m" {
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t := reflect.TypeOf(i)
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n := t.NumMethod()
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for j := 0; j < n; j++ {
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m := t.Method(j)
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fmt.Printf("#%d: %s.%s %s\n", j, m.PkgPath, m.Name, m.Type)
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}
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println("BUG: myT3:", i.m(), "called")
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}
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var t4 struct {
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localT
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lib.T
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}
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if t4.m() != "main.localT.m" {
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println("BUG: t4:", t4.m(), "called")
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}
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i = &t4
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if i.m() != "main.localT.m" {
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println("BUG: myT4:", i.m(), "called")
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}
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var t5 struct {
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lib.T
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localT
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}
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if t5.m() != "main.localT.m" {
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println("BUG: t5:", t5.m(), "called")
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}
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i = &t5
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if i.m() != "main.localT.m" {
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println("BUG: myT5:", i.m(), "called")
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}
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}
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