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go/test/fixedbugs/bug236.go
Ian Lance Taylor fa98cf6eef More evaluation order tests, for global variables and switch.
gccgo currently fails this test.

R=rsc
CC=golang-dev
https://golang.org/cl/179108
2009-12-18 21:59:47 -08:00

54 lines
864 B
Go

// $G $D/$F.go && $L $F.$A && ./$A.out
// 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
var gen = 'a'
func f(n int) string {
s := string(gen) + string(n+'A'-1)
gen++
return s
}
func g(x, y string) string { return x + y }
var v1 = f(1) + f(2)
var v2 = g(f(3), f(4))
var v3 = f(5) + f(6) + f(7) + f(8) + f(9)
func main() {
gen = 'a'
if v1 != "aAbB" {
panic("BUG: bug236a")
}
if v2 != "cCdD" {
panic("BUG: bug236b")
}
if v3 != "eEfFgGhHiI" {
panic("BUG: bug236c")
}
switch "aAbB" {
case f(1) + f(2):
default:
panic("BUG: bug236d")
}
switch "cCdD" {
case g(f(3), f(4)):
default:
panic("BUG: bug236e")
}
switch "eEfFgGhHiI" {
case f(5) + f(6) + f(7) + f(8) + f(9):
default:
panic("BUG: bug236f")
}
}