XeOS/tests/heap_allocation.rs

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Rust
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2019-10-24 00:30:47 +00:00
#![no_std]
#![no_main]
#![feature(custom_test_frameworks)]
#![test_runner(xe_os::test_runner)]
#![reexport_test_harness_main = "test_main"]
extern crate alloc;
use bootloader::{entry_point, BootInfo};
use core::panic::PanicInfo;
entry_point!(main);
fn main(boot_info: &'static BootInfo) -> ! {
use xe_os::allocator;
use xe_os::memory::{self, BootInfoFrameAllocator};
use x86_64::VirtAddr;
xe_os::init(boot_info);
test_main();
loop {}
}
#[panic_handler]
fn panic(info: &PanicInfo) -> ! {
xe_os::test_panic_handler(info)
}
use xe_os::{serial_print, serial_println};
use alloc::boxed::Box;
#[test_case]
fn simple_allocation() {
serial_print!("simple_allocation... ");
let heap_value = Box::new(41);
assert_eq!(*heap_value, 41);
serial_println!("[ok]");
}
use alloc::vec::Vec;
#[test_case]
fn large_vec() {
serial_print!("large_vec... ");
let n = 1000;
let mut vec = Vec::new();
for i in 0..n {
vec.push(i);
}
assert_eq!(vec.iter().sum::<u64>(), (n - 1) * n / 2);
serial_println!("[ok]");
}