libgo/go/testing/allocs_test.go

   1 // Copyright 2014 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 package testing_test
   6
   7 import "testing"
   8
   9 var global interface{}
  10
  11 var allocsPerRunTests = []struct {
  12         name   string
  13         fn     func()
  14         allocs float64
  15 }{
  16         {"alloc *byte", func() { global = new(*byte) }, 1},
  17         {"alloc complex128", func() { global = new(complex128) }, 1},
  18         {"alloc float64", func() { global = new(float64) }, 1},
  19         {"alloc int32", func() { global = new(int32) }, 1},
  20         {"alloc byte", func() { global = new(byte) }, 1},
  21 }
  22
  23 func TestAllocsPerRun(t *testing.T) {
  24         for _, tt := range allocsPerRunTests {
  25                 if allocs := testing.AllocsPerRun(100, tt.fn); allocs != tt.allocs {
  26                         t.Errorf("AllocsPerRun(100, %s) = %v, want %v", tt.name, allocs, tt.allocs)
  27                 }
  28         }
  29 }