//go:linkname runtime_arena_newArena
func runtime_arena_newArena() unsafe.Pointer

//go:linkname runtime_arena_arena_New
func runtime_arena_arena_New(arena unsafe.Pointer, typ any) any

// Mark as noescape to avoid escaping the slice header.
//
//go:noescape
//go:linkname runtime_arena_arena_Slice
func runtime_arena_arena_Slice(arena unsafe.Pointer, slice any, cap int)

//go:linkname runtime_arena_arena_Free

// license that can be found in the LICENSE file.

//go:build goexperiment.arenas

package arena_test

import (
	"arena"
	"testing"
)

type T1 struct {
	n int
}
type T2 [1 << 20]byte // 1MiB

func TestSmoke(t *testing.T) {
	a := arena.NewArena()
	defer a.Free()

	tt := arena.New[T1](a)
	tt.n = 1

	ts := arena.MakeSlice[T1](a, 99, 100)
	if len(ts) != 99 {
		t.Errorf("Slice() len = %d, want 99", len(ts))

pkg debug/elf, const EM_COGE Machine
pkg debug/elf, const EM_COOL = 217
pkg debug/elf, const EM_COOL Machine
pkg debug/elf, const EM_COREA_1ST = 193
pkg debug/elf, const EM_COREA_1ST Machine
pkg debug/elf, const EM_COREA_2ND = 194
pkg debug/elf, const EM_COREA_2ND Machine
pkg debug/elf, const EM_CR = 103
pkg debug/elf, const EM_CR Machine
pkg debug/elf, const EM_CR16 = 177
pkg debug/elf, const EM_CR16 Machine