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chan_pool_test.go
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chan_pool_test.go
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package slab
import (
"testing"
"github.com/funny/utest"
)
func Test_ChanPool_AllocAndFree(t *testing.T) {
pool := NewChanPool(128, 64*1024, 2, 1024*1024)
for i := 0; i < len(pool.classes); i++ {
temp := make([][]byte, len(pool.classes[i].chunks))
for j := 0; j < len(temp); j++ {
mem := pool.Alloc(pool.classes[i].size)
utest.EqualNow(t, cap(mem), pool.classes[i].size)
temp[j] = mem
}
for j := 0; j < len(temp); j++ {
pool.Free(temp[j])
}
}
}
func Test_ChanPool_AllocSmall(t *testing.T) {
pool := NewChanPool(128, 1024, 2, 1024)
mem := pool.Alloc(64)
utest.EqualNow(t, len(mem), 64)
utest.EqualNow(t, cap(mem), 128)
pool.Free(mem)
}
func Test_ChanPool_AllocLarge(t *testing.T) {
pool := NewChanPool(128, 1024, 2, 1024)
mem := pool.Alloc(2048)
utest.EqualNow(t, len(mem), 2048)
utest.EqualNow(t, cap(mem), 2048)
pool.Free(mem)
}
func Test_ChanPool_DoubleFree(t *testing.T) {
pool := NewChanPool(128, 1024, 2, 1024)
mem := pool.Alloc(64)
go func() {
defer func() {
utest.NotNilNow(t, recover())
}()
pool.Free(mem)
pool.Free(mem)
}()
}
func Test_ChanPool_AllocSlow(t *testing.T) {
pool := NewChanPool(128, 1024, 2, 1024)
mem := pool.classes[len(pool.classes)-1].Pop()
utest.EqualNow(t, cap(mem), 1024)
mem = pool.Alloc(1024)
utest.EqualNow(t, cap(mem), 1024)
}
func Benchmark_ChanPool_AllocAndFree_128(b *testing.B) {
pool := NewChanPool(128, 1024, 2, 64*1024)
b.ResetTimer()
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
pool.Free(pool.Alloc(128))
}
})
}
func Benchmark_ChanPool_AllocAndFree_256(b *testing.B) {
pool := NewChanPool(128, 1024, 2, 64*1024)
b.ResetTimer()
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
pool.Free(pool.Alloc(256))
}
})
}
func Benchmark_ChanPool_AllocAndFree_512(b *testing.B) {
pool := NewChanPool(128, 1024, 2, 64*1024)
b.ResetTimer()
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
pool.Free(pool.Alloc(512))
}
})
}