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// Copyright 2020 The Prometheus 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 pool
import (
"testing"
"github.com/stretchr/testify/require"
)
func makeFunc(size int) interface{} {
return make([]int, 0, size)
}
func TestPool(t *testing.T) {
testPool := New(1, 8, 2, makeFunc)
cases := []struct {
size int
expectedCap int
}{
{
size: -1,
expectedCap: 1,
},
{
size: 3,
expectedCap: 4,
},
{
size: 10,
expectedCap: 10,
},
}
for _, c := range cases {
ret := testPool.Get(c.size)
require.Equal(t, c.expectedCap, cap(ret.([]int)))
testPool.Put(ret)
}
}
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