mockall 0.9.1

// vim: tw=80
#![deny(warnings)]

use mockall::*;

mock!{
    Foo {
        fn bar(x: &u32) -> u64;
    }
}

#[test]
fn with() {
    let ctx = MockFoo::bar_context();
    ctx.expect()
        .with(predicate::eq(42))
        .return_const(99u64);
    assert_eq!(99, MockFoo::bar(&42));
}