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Copy pathbpool_test.go
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96 lines (79 loc) · 2.65 KB
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// Original work https://github.com/oxtoacart/bpool borrowed
// only bpool.go licensed under Apache 2.0.
// This file modifies original bpool.go to add one more option
// to provide []byte capacity for better GC management.
/*
* MinIO Cloud Storage (C) 2018 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"
// Tests - bytePool functionality.
func TestBytePool(t *testing.T) {
var size = 4
var width = 10
var capWidth = 16
bufPool := NewBytePoolCap(size, width, capWidth)
// Check the width
if bufPool.Width() != width {
t.Fatalf("bytepool width invalid: got %v want %v", bufPool.Width(), width)
}
// Check with width cap
if bufPool.WidthCap() != capWidth {
t.Fatalf("bytepool capWidth invalid: got %v want %v", bufPool.WidthCap(), capWidth)
}
// Check that retrieved buffer are of the expected width
b := bufPool.Get()
if len(b) != width {
t.Fatalf("bytepool length invalid: got %v want %v", len(b), width)
}
if cap(b) != capWidth {
t.Fatalf("bytepool length invalid: got %v want %v", cap(b), capWidth)
}
bufPool.Put(b)
// Fill the pool beyond the capped pool size.
for i := 0; i < size*2; i++ {
bufPool.Put(make([]byte, bufPool.w))
}
b = bufPool.Get()
if len(b) != width {
t.Fatalf("bytepool length invalid: got %v want %v", len(b), width)
}
if cap(b) != capWidth {
t.Fatalf("bytepool length invalid: got %v want %v", cap(b), capWidth)
}
bufPool.Put(b)
// Close the channel so we can iterate over it.
close(bufPool.c)
// Check the size of the pool.
if len(bufPool.c) != size {
t.Fatalf("bytepool size invalid: got %v want %v", len(bufPool.c), size)
}
bufPoolNoCap := NewBytePoolCap(size, width, 0)
// Check the width
if bufPoolNoCap.Width() != width {
t.Fatalf("bytepool width invalid: got %v want %v", bufPool.Width(), width)
}
// Check with width cap
if bufPoolNoCap.WidthCap() != 0 {
t.Fatalf("bytepool capWidth invalid: got %v want %v", bufPool.WidthCap(), 0)
}
b = bufPoolNoCap.Get()
if len(b) != width {
t.Fatalf("bytepool length invalid: got %v want %v", len(b), width)
}
if cap(b) != width {
t.Fatalf("bytepool length invalid: got %v want %v", cap(b), width)
}
}