mockall 0.9.1

A powerful mock object library for Rust.
Documentation 
// vim: tw=80
//! A struct with a method that returns an immutable static reference
#![deny(warnings)]

use mockall::*;

mock! {
    Foo {
        fn foo(&self) -> &'static u32;
    }
}

#[test]
fn return_const() {
    const X: u32 = 5;
    let mut mock = MockFoo::new();
    mock.expect_foo()
        .return_const(&X);
    assert_eq!(5, *mock.foo());
}