blob: dc01b8476d2fecd2f56beeedaa4676287901dcf5 [file] [log] [blame]
// Copyright 2020 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.
// +build !race
package event_test
import (
"context"
"io/ioutil"
"testing"
"golang.org/x/exp/event"
"golang.org/x/exp/event/adapter/logfmt"
)
func TestAllocs(t *testing.T) {
anInt := event.Label{Name: "int", Value: event.Int64Of(4)}
aString := event.Label{Name: "string", Value: event.StringOf("value")}
e := event.NewExporter(logfmt.NewHandler(ioutil.Discard))
ctx := event.WithExporter(context.Background(), e)
allocs := int(testing.AllocsPerRun(5, func() {
event.To(ctx).With(aString).With(anInt).Log("message")
}))
if allocs != 0 {
t.Errorf("Got %d allocs, expect 0", allocs)
}
}