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mirror of https://github.com/golang/go synced 2024-11-26 06:57:56 -07:00
go/test/fixedbugs/bug113.go
Ian Lance Taylor f8d7f5bd81 Don't use a type guard with a type which is not an interface.
R=r,gri
DELTA=2  (0 added, 0 deleted, 2 changed)
OCL=18781
CL=18785
2008-11-07 11:44:15 -08:00

21 lines
609 B
Go

// $G $D/$F.go && $L $F.$A && (! ./$A.out || echo BUG: should not succeed)
// 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.
package main
type I interface { };
func foo1(i int) int { return i }
func foo2(i int32) int32 { return i }
func main() {
var i I;
i = 1;
var v1 int = i;
if foo1(v1) != 1 { panicln(1) }
var v2 int32 = int32(i.(int));
if foo2(v2) != 1 { panicln(2) }
var v3 int32 = i; // This implicit type conversion should fail at runtime.
if foo2(v3) != 1 { panicln(3) }
}