cargo-mutants 27.0.0

Inject bugs and see if your tests catch them
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use cargo_mutants_testdata_relative_dependency::double_factorial;

#[test]
fn double_factorial_zero_is_2() {
    assert_eq!(double_factorial(0), 2);
}

#[test]
fn double_factorial_one_is_2() {
    assert_eq!(double_factorial(1), 2);
}

#[test]
fn double_factorial_two_is_4() {
    assert_eq!(double_factorial(2), 4);
}