2019-04-29 21:25:05 +00:00
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// Copyright 2018 The gVisor Authors.
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2018-04-27 17:37:02 +00:00
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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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package p9
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import (
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"testing"
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)
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func TestPoolUnique(t *testing.T) {
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p := pool{start: 1, limit: 3}
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got := make(map[uint64]bool)
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for {
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n, ok := p.Get()
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if !ok {
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break
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}
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// Check unique.
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if _, ok := got[n]; ok {
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t.Errorf("pool spit out %v multiple times", n)
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}
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// Record.
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got[n] = true
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}
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}
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func TestExausted(t *testing.T) {
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p := pool{start: 1, limit: 500}
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for i := 0; i < 499; i++ {
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_, ok := p.Get()
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if !ok {
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t.Fatalf("pool exhausted before 499 items")
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}
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}
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_, ok := p.Get()
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if ok {
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t.Errorf("pool not exhausted when it should be")
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}
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}
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func TestPoolRecycle(t *testing.T) {
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p := pool{start: 1, limit: 500}
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n1, _ := p.Get()
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p.Put(n1)
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n2, _ := p.Get()
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if n1 != n2 {
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t.Errorf("pool not recycling items")
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}
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}
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