github.com/iikira/iikira-go-utils@v0.0.0-20230610031953-f2cb11cde33a/utils/cachepool/malloc_test.go (about)

     1  package cachepool_test
     2  
     3  import (
     4  	"fmt"
     5  	"github.com/iikira/iikira-go-utils/utils/cachepool"
     6  	"reflect"
     7  	"runtime"
     8  	"testing"
     9  	"unsafe"
    10  )
    11  
    12  func TestMalloc(t *testing.T) {
    13  	b := cachepool.RawMallocByteSlice(128)
    14  	for k := range b {
    15  		b[k] = byte(k)
    16  	}
    17  	fmt.Println(b)
    18  	runtime.GC()
    19  
    20  	b = cachepool.RawMallocByteSlice(128)
    21  	fmt.Printf("---%s---\n", b)
    22  	runtime.GC()
    23  
    24  	b = cachepool.RawByteSlice(128)
    25  	fmt.Println(b)
    26  	runtime.GC()
    27  
    28  	b = cachepool.RawByteSlice(127)
    29  	bH := (*reflect.SliceHeader)(unsafe.Pointer(&b))
    30  	fmt.Printf("%#v\n", bH)
    31  }