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alloc_test.go
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/
alloc_test.go
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package smux
import (
"math/rand"
"testing"
)
func TestAllocGet(t *testing.T) {
alloc := NewAllocator()
if alloc.Get(0) != nil {
t.Fatal(0)
}
if len(alloc.Get(1)) != 1 {
t.Fatal(1)
}
if len(alloc.Get(2)) != 2 {
t.Fatal(2)
}
if len(alloc.Get(3)) != 3 || cap(alloc.Get(3)) != 4 {
t.Fatal(3)
}
if len(alloc.Get(4)) != 4 {
t.Fatal(4)
}
if len(alloc.Get(1023)) != 1023 || cap(alloc.Get(1023)) != 1024 {
t.Fatal(1023)
}
if len(alloc.Get(1024)) != 1024 {
t.Fatal(1024)
}
if len(alloc.Get(65536)) != 65536 {
t.Fatal(65536)
}
if alloc.Get(65537) != nil {
t.Fatal(65537)
}
}
func TestAllocPut(t *testing.T) {
alloc := NewAllocator()
if err := alloc.Put(nil); err == nil {
t.Fatal("put nil misbehavior")
}
if err := alloc.Put(make([]byte, 3, 3)); err == nil {
t.Fatal("put elem:3 []bytes misbehavior")
}
if err := alloc.Put(make([]byte, 4, 4)); err != nil {
t.Fatal("put elem:4 []bytes misbehavior")
}
if err := alloc.Put(make([]byte, 1023, 1024)); err != nil {
t.Fatal("put elem:1024 []bytes misbehavior")
}
if err := alloc.Put(make([]byte, 65536, 65536)); err != nil {
t.Fatal("put elem:65536 []bytes misbehavior")
}
if err := alloc.Put(make([]byte, 65537, 65537)); err == nil {
t.Fatal("put elem:65537 []bytes misbehavior")
}
}
func TestAllocPutThenGet(t *testing.T) {
alloc := NewAllocator()
data := alloc.Get(4)
alloc.Put(data)
newData := alloc.Get(4)
if cap(data) != cap(newData) {
t.Fatal("different cap while alloc.Get()")
}
}
func BenchmarkMSB(b *testing.B) {
for i := 0; i < b.N; i++ {
msb(rand.Int())
}
}