go-common/vendor/google.golang.org/grpc/benchmark/primitives/context_test.go
2019-04-22 18:49:16 +08:00

120 lines
2.6 KiB
Go

/*
*
* Copyright 2017 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package primitives_test
import (
"context"
"testing"
"time"
)
func BenchmarkCancelContextErrNoErr(b *testing.B) {
ctx, cancel := context.WithCancel(context.Background())
for i := 0; i < b.N; i++ {
if err := ctx.Err(); err != nil {
b.Fatal("error")
}
}
cancel()
}
func BenchmarkCancelContextErrGotErr(b *testing.B) {
ctx, cancel := context.WithCancel(context.Background())
cancel()
for i := 0; i < b.N; i++ {
if err := ctx.Err(); err == nil {
b.Fatal("error")
}
}
}
func BenchmarkCancelContextChannelNoErr(b *testing.B) {
ctx, cancel := context.WithCancel(context.Background())
for i := 0; i < b.N; i++ {
select {
case <-ctx.Done():
b.Fatal("error: ctx.Done():", ctx.Err())
default:
}
}
cancel()
}
func BenchmarkCancelContextChannelGotErr(b *testing.B) {
ctx, cancel := context.WithCancel(context.Background())
cancel()
for i := 0; i < b.N; i++ {
select {
case <-ctx.Done():
if err := ctx.Err(); err == nil {
b.Fatal("error")
}
default:
b.Fatal("error: !ctx.Done()")
}
}
}
func BenchmarkTimerContextErrNoErr(b *testing.B) {
ctx, cancel := context.WithTimeout(context.Background(), 24*time.Hour)
for i := 0; i < b.N; i++ {
if err := ctx.Err(); err != nil {
b.Fatal("error")
}
}
cancel()
}
func BenchmarkTimerContextErrGotErr(b *testing.B) {
ctx, cancel := context.WithTimeout(context.Background(), time.Microsecond)
cancel()
for i := 0; i < b.N; i++ {
if err := ctx.Err(); err == nil {
b.Fatal("error")
}
}
}
func BenchmarkTimerContextChannelNoErr(b *testing.B) {
ctx, cancel := context.WithTimeout(context.Background(), 24*time.Hour)
for i := 0; i < b.N; i++ {
select {
case <-ctx.Done():
b.Fatal("error: ctx.Done():", ctx.Err())
default:
}
}
cancel()
}
func BenchmarkTimerContextChannelGotErr(b *testing.B) {
ctx, cancel := context.WithTimeout(context.Background(), time.Microsecond)
cancel()
for i := 0; i < b.N; i++ {
select {
case <-ctx.Done():
if err := ctx.Err(); err == nil {
b.Fatal("error")
}
default:
b.Fatal("error: !ctx.Done()")
}
}
}