| // run |
| |
| // Copyright 2013 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 |
| |
| import ( |
| "fmt" |
| "os" |
| "runtime" |
| "testing" |
| ) |
| |
| type T struct { int } |
| |
| var globl *T |
| |
| func F() { |
| t := &T{} |
| globl = t |
| } |
| |
| func G() { |
| t := &T{} |
| _ = t |
| } |
| |
| func main() { |
| nf := testing.AllocsPerRun(100, F) |
| ng := testing.AllocsPerRun(100, G) |
| if int(nf) > 1 { |
| fmt.Printf("AllocsPerRun(100, F) = %v, want 1\n", nf) |
| os.Exit(1) |
| } |
| if int(ng) != 0 && (runtime.Compiler != "gccgo" || int(ng) != 1) { |
| fmt.Printf("AllocsPerRun(100, G) = %v, want 0\n", ng) |
| os.Exit(1) |
| } |
| } |
