alice-lg/pkg/pools/lists_test.go
2022-11-16 11:12:09 +01:00

59 lines
1.4 KiB
Go

package pools
import (
"fmt"
"reflect"
"testing"
"unsafe"
)
func TestAcquireIntList(t *testing.T) {
a := []int{23, 42, 1337, 65535, 1}
b := []int{23, 42, 1337, 65535, 1}
c := []int{23, 42, 1338, 65535, 2}
p := NewIntListPool()
r1 := p.Acquire(a)
p.Acquire(c)
r2 := p.Acquire(b)
if fmt.Sprintf("%p", a) == fmt.Sprintf("%p", b) {
t.Error("lists should not be same pointer", fmt.Sprintf("%p %p", a, b))
}
if fmt.Sprintf("%p", r1) != fmt.Sprintf("%p", r2) {
t.Error("lists should be same pointer", fmt.Sprintf("%p %p", r1, r2))
}
t.Log(fmt.Sprintf("Ptr: %p %p => %p %p", a, b, r1, r2))
}
func TestPtrIntList(t *testing.T) {
a := []int{23, 42, 1337, 65535, 1}
b := []int{23, 42, 1337, 65535, 1}
pa := unsafe.Pointer(&a[0])
pb := unsafe.Pointer(&b[0])
t.Log(fmt.Sprintf("Ptr: %p %p", a, b))
t.Log(fmt.Sprintf("P: %p %p", pa, pb))
ra := reflect.ValueOf(a).UnsafePointer()
rb := reflect.ValueOf(b).UnsafePointer()
t.Log(fmt.Sprintf("P: %x %x %v", ra, rb, ra == rb))
t.Log(fmt.Sprintf("P: %x %x %v", int(uintptr(ra)), rb, ra == rb))
}
func TestAcquireStringList(t *testing.T) {
q := []string{"foo", "bar", "bgp"}
w := []string{"foo", "bar", "bgp"}
e := []string{"foo", "bpf"}
p2 := NewStringListPool()
x1 := p2.Acquire(q)
x2 := p2.Acquire(w)
x3 := p2.Acquire(e)
fmt.Printf("Ptr: %p %p => %p %p\n", q, w, x1, x2)
fmt.Printf("Ptr: %p => %p\n", e, x3)
}