github.com/aacfactory/fns@v1.2.86-0.20240310083819-80d667fc0a17/commons/futures/future_test.go (about)

     1  /*
     2   * Copyright 2023 Wang Min Xiang
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   * 	http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   *
    16   */
    17  
    18  package futures_test
    19  
    20  import (
    21  	"context"
    22  	"fmt"
    23  	"github.com/aacfactory/fns/commons/futures"
    24  	"sync"
    25  	"testing"
    26  )
    27  
    28  func TestNew(t *testing.T) {
    29  	wg := new(sync.WaitGroup)
    30  	wg.Add(1)
    31  	p, f := futures.New()
    32  	go func(wg *sync.WaitGroup, p futures.Promise) {
    33  		p.Succeed(1)
    34  		wg.Done()
    35  	}(wg, p)
    36  
    37  	wg.Wait()
    38  	r, err := f.Await(context.TODO())
    39  	if err != nil {
    40  		fmt.Println(err)
    41  		return
    42  	}
    43  	v := 0
    44  	err = r.Unmarshal(&v)
    45  	fmt.Println(v, err)
    46  }
    47  
    48  func BenchmarkNew(b *testing.B) {
    49  	b.ReportAllocs()
    50  	for i := 0; i < b.N; i++ {
    51  		p, f := futures.New()
    52  		p.Succeed(1)
    53  		_, _ = f.Await(context.TODO())
    54  	}
    55  }