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