github.com/m3db/m3@v1.5.0/src/x/pool/floats_test.go (about)

     1  // Copyright (c) 2016 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package pool
    22  
    23  import (
    24  	"testing"
    25  
    26  	"github.com/stretchr/testify/assert"
    27  )
    28  
    29  func TestFloatsPool(t *testing.T) {
    30  	p := getFloatsPool(2, []int{5, 10})
    31  	p.Init()
    32  
    33  	f1 := p.Get(1)
    34  	assert.Equal(t, 0, len(f1))
    35  	assert.Equal(t, 5, cap(f1))
    36  	f1 = append(f1, 1.0)
    37  
    38  	f2 := p.Get(3)
    39  	assert.Equal(t, 0, len(f2))
    40  	assert.Equal(t, 5, cap(f2))
    41  	f2 = append(f1, 2.0)
    42  	assert.NotEqual(t, f1, f2)
    43  	p.Put(f1)
    44  
    45  	f3 := p.Get(2)
    46  	assert.Equal(t, 0, len(f3))
    47  	assert.Equal(t, 5, cap(f3))
    48  	assert.Equal(t, f1, f3[:1])
    49  }
    50  
    51  // nolint: unparam
    52  func getFloatsPool(bucketSizes int, bucketCaps []int) *floatsPool {
    53  	buckets := make([]Bucket, len(bucketCaps))
    54  	for i, cap := range bucketCaps {
    55  		buckets[i] = Bucket{
    56  			Count:    Size(bucketSizes),
    57  			Capacity: cap,
    58  		}
    59  	}
    60  
    61  	return NewFloatsPool(buckets, nil).(*floatsPool)
    62  }