diff options
Diffstat (limited to 'test/closure.go')
| -rw-r--r-- | test/closure.go | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/test/closure.go b/test/closure.go index 3033c02ed..ae38900ba 100644 --- a/test/closure.go +++ b/test/closure.go @@ -1,11 +1,15 @@ -// $G $D/$F.go && $L $F.$A && ./$A.out +// run // 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. +// Test the behavior of closures. + package main +import "runtime" + var c = make(chan int) func check(a []int) { @@ -76,8 +80,9 @@ func h() { 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}) @@ -89,17 +94,27 @@ func main() { go h() check([]int{100, 200, 101, 201, 500, 101, 201, 500}) + memstats := new(runtime.MemStats) + runtime.ReadMemStats(memstats) + n0 := memstats.Mallocs + x, y := newfunc(), newfunc() - if x == y { - println("newfunc returned same func") - panic("fail") - } if x(1) != 1 || y(2) != 2 { println("newfunc returned broken funcs") - panic("fail") + fail = true + } + + runtime.ReadMemStats(memstats) + if n0 != memstats.Mallocs { + println("newfunc allocated unexpectedly") + fail = true } ff(1) + + if fail { + panic("fail") + } } func ff(x int) { |