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minio/pkg/bpool/bpool_test.go

53 lines
1.5 KiB

/*
* Minio Cloud Storage, (C) 2016 Minio, Inc.
*
* 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 bpool
import "testing"
func TestBytePool(t *testing.T) {
size := int64(10)
n := 16
pool := NewBytePool(size, n)
enBlocks := make([][]byte, n)
// Allocates all the 16 byte slices in the pool.
alloc := func() {
for i := range enBlocks {
var err error
enBlocks[i], err = pool.Get()
if err != nil {
t.Fatal("expected nil, got", err)
}
// Make sure the slice length is as expected.
if len(enBlocks[i]) != int(size) {
t.Fatalf("expected size %d, got %d", len(enBlocks[i]), size)
}
}
}
// Allocate everything in the pool.
alloc()
// Any Get() will fail when the pool does not have any free buffer.
_, err := pool.Get()
if err == nil {
t.Fatalf("expected %s, got nil", err)
}
// Reset - so that all the buffers are marked as unused.
pool.Reset()
// Allocation of all the buffers in the pool should succeed now.
alloc()
}