Function stack_pool_test

alloc-stdlib/tests/lib.rs:233–261

()

#[test]
fn stack_pool_test() {
  {
  let mut stack_global_buffer = define_allocator_memory_pool!(4, u8, [0; 65536], stack);
  let mut ags = StackAllocatedFreelist4::<u8>::new_allocator(&mut stack_global_buffer, bzero);
  {
    let mut x = ags.alloc_cell(9999);
    x.slice_mut()[0] = 4;
    let mut y = ags.alloc_cell(4);
    y[0] = 5;
    ags.free_cell(y);

    let mut three = ags.alloc_cell(3);
    three[0] = 6;
    ags.free_cell(three);

    let mut z = ags.alloc_cell(4);
    z.slice_mut()[1] = 8;
    let mut reget_three = ags.alloc_cell(4);
    reget_three.slice_mut()[1] = 9;
    //y.mem[0] = 6; // <-- this is an error (use after free)
    assert_eq!(x[0], 4);
    assert_eq!(z[0], 0);
    assert_eq!(z[1], 8);
    assert_eq!(reget_three[0], 0);
    assert_eq!(reget_three[1], 9);
    let mut _z = ags.alloc_cell(1);
  }
  }
}
#[test]
fn stack_pool_free_null() {
  let mut stack_global_buffer = define_allocator_memory_pool!(8, u8, [0; 256 - 8], stack);