gc: test that asserts closures are not wrapped when they don't have closure vars.
R=rsc, bradfitz
CC=golang-dev
https://golang.org/cl/5529060
diff --git a/test/closure.go b/test/closure.go
index 191514d..97da1dd 100644
--- a/test/closure.go
+++ b/test/closure.go
@@ -6,6 +6,8 @@
package main
+import "runtime"
+
var c = make(chan int)
func check(a []int) {
@@ -77,6 +79,8 @@
func newfunc() func(int) int { return func(x int) int { return x } }
func main() {
+ var fail bool
+
go f()
check([]int{1, 4, 5, 4})
@@ -88,13 +92,26 @@
go h()
check([]int{100, 200, 101, 201, 500, 101, 201, 500})
+ runtime.UpdateMemStats()
+ n0 := runtime.MemStats.Mallocs
+
x, y := newfunc(), newfunc()
if x(1) != 1 || y(2) != 2 {
println("newfunc returned broken funcs")
- panic("fail")
+ fail = true
+ }
+
+ runtime.UpdateMemStats()
+ if n0 != runtime.MemStats.Mallocs {
+ println("newfunc allocated unexpectedly")
+ fail = true
}
ff(1)
+
+ if fail {
+ panic("fail")
+ }
}
func ff(x int) {
