#![feature(custom_attribute)]
#![allow(dead_code, unused_attributes)]

#[miri_run(expected = "Int(1)")]
fn ret() -> i32 {
    1
}

#[miri_run(expected = "Int(-1)")]
fn neg() -> i32 {
    -1
}

#[miri_run(expected = "Int(3)")]
fn add() -> i32 {
    1 + 2
}

#[miri_run(expected = "Int(3)")]
fn indirect_add() -> i32 {
    let x = 1;
    let y = 2;
    x + y
}

#[miri_run(expected = "Int(25)")]
fn arith() -> i32 {
    3*3 + 4*4
}

#[miri_run(expected = "Int(0)")]
fn if_false() -> i32 {
    if false { 1 } else { 0 }
}

#[miri_run(expected = "Int(1)")]
fn if_true() -> i32 {
    if true { 1 } else { 0 }
}

#[miri_run(expected = "Int(2)")]
fn call() -> i32 {
    fn increment(x: i32) -> i32 {
        x + 1
    }

    increment(1)
}

#[miri_run(expected = "Int(3628800)")]
fn factorial_loop() -> i32 {
    let mut product = 1;
    let mut i = 1;

    while i <= 10 {
        product *= i;
        i += 1;
    }

    product
}

#[miri_run(expected = "Int(3628800)")]
fn factorial_recursive() -> i32 {
    fn fact(n: i32) -> i32 {
        if n == 0 {
            1
        } else {
            n * fact(n - 1)
        }
    }

    fact(10)
}

fn main() {}