forked from funny/binary
/
buffer_test.go
154 lines (133 loc) · 3.16 KB
/
buffer_test.go
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package binary
import (
"bytes"
"github.com/funny/unitest"
"math/rand"
"testing"
"time"
)
func BufferTest(t *testing.T, buffer *Buffer) {
for i := 0; i < 10000; i++ {
prevLen := len(buffer.Data)
p1 := RandBytes(1024)
n, err := buffer.Write(p1)
unitest.NotError(t, err)
unitest.Pass(t, n == len(p1))
unitest.Pass(t, len(buffer.Data) == prevLen+len(p1))
p2 := make([]byte, len(p1))
n, err = buffer.Read(p2)
unitest.NotError(t, err)
unitest.Pass(t, n == len(p1))
unitest.Pass(t, bytes.Equal(p1, p2))
unitest.Pass(t, buffer.ReadPos == prevLen+len(p1))
prevLen = len(buffer.Data)
p3 := RandBytes(1024)
n, err = buffer.Write(p3)
unitest.NotError(t, err)
unitest.Pass(t, n == len(p3))
unitest.Pass(t, len(buffer.Data) == prevLen+len(p3))
for j := 0; j < len(p3); j++ {
b, err := buffer.ReadByte()
unitest.NotError(t, err)
unitest.Pass(t, b == p3[j])
}
prevLen = len(buffer.Data)
p4 := RandBytes(1024)
n, err = buffer.Write(p4)
unitest.NotError(t, err)
unitest.Pass(t, n == len(p4))
unitest.Pass(t, len(buffer.Data) == prevLen+len(p4))
p5 := make([]byte, len(p4))
for j := 0; j < len(p4); j++ {
n, err := buffer.ReadAt(p5, int64(prevLen+j))
unitest.NotError(t, err)
unitest.Pass(t, n == len(p4)-j)
unitest.Pass(t, bytes.Equal(p4[j:n+j], p5[:n]))
}
n, err = buffer.Read(p5)
unitest.NotError(t, err)
unitest.Pass(t, n == len(p4))
unitest.Pass(t, bytes.Equal(p4, p5))
unitest.Pass(t, buffer.ReadPos == prevLen+len(p4))
}
}
func Test_Buffer(t *testing.T) {
buffer := new(Buffer)
BufferTest(t, buffer)
}
func Test_PoolBuffer(t *testing.T) {
pool := NewBufferPool(1, 1, 32)
buffer := pool.NewBuffer()
BufferTest(t, buffer)
}
func Test_MemPool(t *testing.T) {
MemPoolTest(t, 1, 1, 10)
MemPoolTest(t, 1, 2, 16)
}
func MemPoolTest(t *testing.T, total, min, max int) {
pool := NewBufferPool(total, min, max)
for i := min; i <= max; i++ {
min1 := (i-1)*1024 + 1
max1 := i * 1024
b1 := pool.alloc(min1, min1)
b2 := pool.alloc(max1, max1)
unitest.Pass(t, cap(b1.Data) == max1)
unitest.Pass(t, cap(b2.Data) == max1)
b1.Free()
b2.Free()
}
rand.Seed(time.Now().UnixNano())
for i := 0; i < 100000; i++ {
size := (rand.Intn(max-min+1) + min) * 1024
b := pool.alloc(size, size)
b.Free()
}
/*
for _, class := range pool.classes {
unitest.Pass(t, class.length == class.maxlen)
}
*/
}
func Benchmark_MemPool(b *testing.B) {
pool := NewBufferPool(20, 2, 32)
size := (rand.Intn(30) + 2) * 1024
b.ResetTimer()
for i := 0; i < b.N; i++ {
x := pool.alloc(0, size)
x.Free()
}
}
func Benchmark_MemPool_Select(b *testing.B) {
c := make(chan int, b.N)
b.ResetTimer()
for i := 0; i < b.N; i++ {
select {
case c <- i:
default:
}
select {
case _ = <-c:
default:
}
}
}
func Benchmark_MemPool_Make512(b *testing.B) {
for i := 0; i < b.N; i++ {
_ = make([]byte, 512)
}
}
func Benchmark_MemPool_Make1024(b *testing.B) {
for i := 0; i < b.N; i++ {
_ = make([]byte, 1024)
}
}
func Benchmark_MemPool_Make4096(b *testing.B) {
for i := 0; i < b.N; i++ {
_ = make([]byte, 4096)
}
}
func Benchmark_MemPool_Make8192(b *testing.B) {
for i := 0; i < b.N; i++ {
_ = make([]byte, 8192)
}
}