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96 lines
2.6 KiB
96 lines
2.6 KiB
// Original work https://github.com/oxtoacart/bpool borrowed
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// only bpool.go licensed under Apache 2.0.
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// This file modifies original bpool.go to add one more option
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// to provide []byte capacity for better GC management.
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/*
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* MinIO Cloud Storage (C) 2018 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package bpool
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import "testing"
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// Tests - bytePool functionality.
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func TestBytePool(t *testing.T) {
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var size = 4
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var width = 10
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var capWidth = 16
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bufPool := NewBytePoolCap(size, width, capWidth)
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// Check the width
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if bufPool.Width() != width {
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t.Fatalf("bytepool width invalid: got %v want %v", bufPool.Width(), width)
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}
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// Check with width cap
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if bufPool.WidthCap() != capWidth {
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t.Fatalf("bytepool capWidth invalid: got %v want %v", bufPool.WidthCap(), capWidth)
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}
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// Check that retrieved buffer are of the expected width
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b := bufPool.Get()
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if len(b) != width {
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t.Fatalf("bytepool length invalid: got %v want %v", len(b), width)
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}
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if cap(b) != capWidth {
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t.Fatalf("bytepool length invalid: got %v want %v", cap(b), capWidth)
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}
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bufPool.Put(b)
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// Fill the pool beyond the capped pool size.
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for i := 0; i < size*2; i++ {
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bufPool.Put(make([]byte, bufPool.w))
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}
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b = bufPool.Get()
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if len(b) != width {
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t.Fatalf("bytepool length invalid: got %v want %v", len(b), width)
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}
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if cap(b) != capWidth {
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t.Fatalf("bytepool length invalid: got %v want %v", cap(b), capWidth)
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}
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bufPool.Put(b)
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// Close the channel so we can iterate over it.
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close(bufPool.c)
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// Check the size of the pool.
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if len(bufPool.c) != size {
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t.Fatalf("bytepool size invalid: got %v want %v", len(bufPool.c), size)
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}
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bufPoolNoCap := NewBytePoolCap(size, width, 0)
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// Check the width
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if bufPoolNoCap.Width() != width {
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t.Fatalf("bytepool width invalid: got %v want %v", bufPool.Width(), width)
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}
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// Check with width cap
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if bufPoolNoCap.WidthCap() != 0 {
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t.Fatalf("bytepool capWidth invalid: got %v want %v", bufPool.WidthCap(), 0)
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}
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b = bufPoolNoCap.Get()
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if len(b) != width {
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t.Fatalf("bytepool length invalid: got %v want %v", len(b), width)
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}
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if cap(b) != width {
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t.Fatalf("bytepool length invalid: got %v want %v", cap(b), width)
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}
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}
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