mirror of
https://github.com/golang/go
synced 2024-11-23 01:30:02 -07:00
2ece2f58ee
Apply sed with: 1s,^// $G $D/$F.go && $L $F.$A && ./$A.out || echo.*,// run, 1s,^// $G $D/$F.go || echo.*,// compile, R=golang-dev, rsc CC=golang-dev https://golang.org/cl/5656099
91 lines
1.5 KiB
Go
91 lines
1.5 KiB
Go
// run
|
|
|
|
// Copyright 2010 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.
|
|
|
|
// Test case for issue 849.
|
|
|
|
package main
|
|
|
|
type I interface {
|
|
f()
|
|
}
|
|
|
|
var callee string
|
|
var error_ bool
|
|
|
|
type T int
|
|
|
|
func (t *T) f() { callee = "f" }
|
|
func (i *T) g() { callee = "g" }
|
|
|
|
// test1 and test2 are the same except that in the interface J
|
|
// the entries are swapped. test2 and test3 are the same except
|
|
// that in test3 the interface J is declared outside the function.
|
|
//
|
|
// Error: test2 calls g instead of f
|
|
|
|
func test1(x I) {
|
|
type J interface {
|
|
I
|
|
g()
|
|
}
|
|
x.(J).f()
|
|
if callee != "f" {
|
|
println("test1 called", callee)
|
|
error_ = true
|
|
}
|
|
}
|
|
|
|
func test2(x I) {
|
|
type J interface {
|
|
g()
|
|
I
|
|
}
|
|
x.(J).f()
|
|
if callee != "f" {
|
|
println("test2 called", callee)
|
|
error_ = true
|
|
}
|
|
}
|
|
|
|
type J interface {
|
|
g()
|
|
I
|
|
}
|
|
|
|
func test3(x I) {
|
|
x.(J).f()
|
|
if callee != "f" {
|
|
println("test3 called", callee)
|
|
error_ = true
|
|
}
|
|
}
|
|
|
|
func main() {
|
|
x := new(T)
|
|
test1(x)
|
|
test2(x)
|
|
test3(x)
|
|
if error_ {
|
|
panic("wrong method called")
|
|
}
|
|
}
|
|
|
|
/*
|
|
6g bug286.go && 6l bug286.6 && 6.out
|
|
test2 called g
|
|
panic: wrong method called
|
|
|
|
panic PC=0x24e040
|
|
runtime.panic+0x7c /home/gri/go1/src/pkg/runtime/proc.c:1012
|
|
runtime.panic(0x0, 0x24e0a0)
|
|
main.main+0xef /home/gri/go1/test/bugs/bug286.go:76
|
|
main.main()
|
|
mainstart+0xf /home/gri/go1/src/pkg/runtime/amd64/asm.s:60
|
|
mainstart()
|
|
goexit /home/gri/go1/src/pkg/runtime/proc.c:145
|
|
goexit()
|
|
*/
|