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gc: test that asserts closures are not wrapped when they don't have closure vars.

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R=rsc, bradfitz
CC=golang-dev
https://golang.org/cl/5529060
This commit is contained in:
Luuk van Dijk 2012-01-10 21:47:22 +01:00
parent 97fd7d5f34
commit 25cf9bdea6
1 changed files with 18 additions and 1 deletions
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19
test/closure.go
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@ -6,6 +6,8 @@
package main package main
import "runtime"
var c = make(chan int) var c = make(chan int)
func check(a []int) { func check(a []int) {
@ -77,6 +79,8 @@ func h() {
func newfunc() func(int) int { return func(x int) int { return x } } func newfunc() func(int) int { return func(x int) int { return x } }
func main() { func main() {
var fail bool
go f() go f()
check([]int{1, 4, 5, 4}) check([]int{1, 4, 5, 4})
@ -88,13 +92,26 @@ func main() {
go h() go h()
check([]int{100, 200, 101, 201, 500, 101, 201, 500}) check([]int{100, 200, 101, 201, 500, 101, 201, 500})
runtime.UpdateMemStats()
n0 := runtime.MemStats.Mallocs
x, y := newfunc(), newfunc() x, y := newfunc(), newfunc()
if x(1) != 1 || y(2) != 2 { if x(1) != 1 || y(2) != 2 {
println("newfunc returned broken funcs") println("newfunc returned broken funcs")
panic("fail") fail = true
}
runtime.UpdateMemStats()
if n0 != runtime.MemStats.Mallocs {
println("newfunc allocated unexpectedly")
fail = true
} }
ff(1) ff(1)
if fail {
panic("fail")
}
} }
func ff(x int) { func ff(x int) {