69 lines
1.5 KiB
Rust
69 lines
1.5 KiB
Rust
#![no_std]
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#![no_main]
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#![feature(custom_test_frameworks)]
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#![test_runner(gros::test_runner)]
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#![reexport_test_harness_main = "test_main"]
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extern crate alloc;
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use bootloader::{entry_point, BootInfo};
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use core::panic::PanicInfo;
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entry_point!(main);
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fn main(boot_info: &'static BootInfo) -> ! {
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use gros::allocator;
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use gros::memory::{self, BootInfoFrameAllocator};
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use x86_64::VirtAddr;
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gros::init();
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let phys_mem_offset = VirtAddr::new(boot_info.physical_memory_offset);
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let mut mapper = unsafe { memory::init(phys_mem_offset) };
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let mut frame_allocator = unsafe {
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BootInfoFrameAllocator::init(&boot_info.memory_map)
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};
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allocator::init_heap(&mut mapper, &mut frame_allocator)
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.expect("heap initialization failed");
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test_main();
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loop {}
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}
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#[panic_handler]
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fn panic(info: &PanicInfo) -> ! {
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gros::test_panic_handler(info)
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}
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use alloc::boxed::Box;
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#[test_case]
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fn simple_allocation() {
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let heap_value_1 = Box::new(41);
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let heap_value_2 = Box::new(13);
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assert_eq!(*heap_value_1, 41);
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assert_eq!(*heap_value_2, 13);
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}
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use alloc::vec::Vec;
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#[test_case]
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fn large_vec() {
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let n = 1000;
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let mut vec = Vec::new();
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for i in 0..n {
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vec.push(i);
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}
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assert_eq!(vec.iter().sum::<u64>(), (n - 1) * n / 2);
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}
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use gros::allocator::HEAP_SIZE;
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#[test_case]
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fn many_boxes() {
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let long_lived = Box::new(1);
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for i in 0..HEAP_SIZE {
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let x = Box::new(i);
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assert_eq!(*x, i);
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}
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assert_eq!(*long_lived, 1);
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} |