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go/src/testing/allocs_test.go
Russ Cox e19d8a47d1 runtime: account for tiny allocs, for testing.AllocsPerRun
Fixes #8734.

LGTM=r, bradfitz, dvyukov
R=bradfitz, r, dvyukov
CC=golang-codereviews, iant, khr
https://golang.org/cl/143150043
2014-09-17 14:49:32 -04:00

30 lines
826 B
Go

// Copyright 2014 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 testing_test
import "testing"
var global interface{}
var allocsPerRunTests = []struct {
name string
fn func()
allocs float64
}{
{"alloc *byte", func() { global = new(*byte) }, 1},
{"alloc complex128", func() { global = new(complex128) }, 1},
{"alloc float64", func() { global = new(float64) }, 1},
{"alloc int32", func() { global = new(int32) }, 1},
{"alloc byte", func() { global = new(byte) }, 1},
}
func TestAllocsPerRun(t *testing.T) {
for _, tt := range allocsPerRunTests {
if allocs := testing.AllocsPerRun(100, tt.fn); allocs != tt.allocs {
t.Errorf("AllocsPerRun(100, %s) = %v, want %v", tt.name, allocs, tt.allocs)
}
}
}