use std::fs::File;
use std::io::Read;
use gemma::chip8::system_memory::Chip8SystemMemory;
use gemma::constants::TEST_ROM_ROOT;

#[test]
fn system_memory_load_program() {
    let mut m = Chip8SystemMemory::new();
    let mut program_to_load = vec![];
    let file_to_load = format!("{}/2-ibm-logo.ch8", TEST_ROM_ROOT);
    println!(
        "Attempt to load {} from {}",
        file_to_load,
        std::env::current_dir().unwrap().display()
    );
    let mut file_to_load_from = File::open(file_to_load).expect("Unable to load sample rom");
    file_to_load_from
        .read_to_end(&mut program_to_load)
        .expect("Unable to read sample rom");
    m.load_program(program_to_load.clone().into());
    let expected_at_200 = program_to_load[0];
    assert_eq!(m.peek(0x200), expected_at_200);
}