github.com/choleraehyq/pid@v0.0.18/goid_test.go (about)

     1  // Copyright 2015 Peter Mattis.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
    12  // implied. See the License for the specific language governing
    13  // permissions and limitations under the License. See the AUTHORS file
    14  // for names of contributors.
    15  
    16  package goid
    17  
    18  import (
    19  	"fmt"
    20  	"testing"
    21  )
    22  
    23  func TestGet(t *testing.T) {
    24  	ch := make(chan *string, 100)
    25  	for i := 0; i < cap(ch); i++ {
    26  		go func(i int) {
    27  			goid := Get()
    28  			expected := getSlow()
    29  			if goid == expected {
    30  				ch <- nil
    31  				return
    32  			}
    33  			s := fmt.Sprintf("Expected %d, but got %d", expected, goid)
    34  			ch <- &s
    35  		}(i)
    36  	}
    37  
    38  	for i := 0; i < cap(ch); i++ {
    39  		val := <-ch
    40  		if val != nil {
    41  			t.Fatal(*val)
    42  		}
    43  	}
    44  }
    45  
    46  func BenchmarkGet(b *testing.B) {
    47  	for i := 0; i < b.N; i++ {
    48  		Get()
    49  	}
    50  }