Commit ad8b0d91 authored by Robert Griesemer's avatar Robert Griesemer

bug324.go: test case for issue 1550

Also: renamed fixedbugs/bug322.go to fixedbugs/bug323.go
because we already have a bugs/bug322.go and bug322.dir.

R=rsc
CC=golang-dev
https://golang.org/cl/4219044
parent cdf1c4f6
// Copyright 2011 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.
package main
import (
"./p"
)
type Exported interface {
private()
}
type Implementation struct{}
func (p *Implementation) private() { println("main.Implementation.private()") }
func main() {
// nothing unusual here
var x Exported
x = new(Implementation)
x.private() // main.Implementation.private()
// same here - should be and is legal
var px p.Exported
px = p.X
// this assignment is correctly illegal:
// px.private undefined (cannot refer to unexported field or method private)
// px.private()
// this assignment is correctly illegal:
// *Implementation does not implement p.Exported (missing p.private method)
// px = new(Implementation)
// this assignment is correctly illegal:
// p.Exported does not implement Exported (missing private method)
// x = px
// this assignment unexpectedly compiles and then executes
x = px.(Exported) // ERROR "does not implement"
// this is a legitimate call, but because of the previous assignment,
// it invokes the method private in p!
x.private() // p.Implementation.private()
}
// Copyright 2011 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.
package p
type Exported interface {
private()
}
type Implementation struct{}
func (p *Implementation) private() { println("p.Implementation.private()") }
var X = new(Implementation)
// $G $D/$F.dir/p.go && errchk $G $D/$F.dir/main.go
// Copyright 2011 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 1550
ignored
......@@ -164,3 +164,6 @@ bugs/bug322.dir/main.go:19: implicit assignment of unexported field 'x' of lib.T
bugs/bug322.dir/main.go:22: implicit assignment of unexported field 'x' of lib.T in assignment
bugs/bug322.dir/main.go:31: implicit assignment of unexported field 'x' of lib.T in method receiver
BUG: fails incorrectly
=========== bugs/bug324.go
BUG: errchk: command succeeded unexpectedly
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment