54 lines
1.4 KiB
Rust
54 lines
1.4 KiB
Rust
// don't include rust std lib
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#![no_std]
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// disable all rust entry point
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#![no_main]
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// Utilise custom test frameworks feature in rust, Since the default one doesn't works in no_std environments
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#![feature(custom_test_frameworks)]
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// Specify the runner, aka, The function that will execute all the tests
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#![test_runner(neptune::test_runner)]
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// custom test frameworks creates an entry point called `main`. Since we are using no_main and have
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// set a custom entry point, The entry point created by custom test framework gets ignored.
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// This changes the name of the entry point to test_main which can then be called in _start
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#![reexport_test_harness_main = "test_main"]
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#[macro_use]
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extern crate lazy_static;
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mod serial;
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mod vga_buffer;
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use core::panic::PanicInfo;
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/// This function is called on panic.
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#[cfg(not(test))]
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#[panic_handler]
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pub fn panic(info: &PanicInfo) -> ! {
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println!("{}", info);
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loop {}
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}
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#[cfg(test)]
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#[panic_handler]
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fn panic(info: &PanicInfo) -> ! {
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neptune::test_panic_handler(info)
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}
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#[no_mangle] // don't change the name of function in symbol table
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pub extern "C" fn _start() -> ! {
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println!("Hello! Here are some numbers: {} {}", 42, 1.337);
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#[cfg(test)]
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test_main();
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loop {}
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}
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#[test_case]
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fn trivial_assertion() {
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print!("trivial assertion... ");
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serial_print!("trivial assertion... ");
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assert_eq!(1, 1);
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println!("[ok]");
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serial_println!("[ok]");
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}
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