src/test/ui/custom_test_frameworks/full.rs

// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

// run-pass
// aux-build:example_runner.rs
// compile-flags:--test

#![feature(custom_test_frameworks)]
#![test_runner(example_runner::runner)]
extern crate example_runner;

pub struct IsFoo(&'static str);

impl example_runner::Testable for IsFoo {
    fn name(&self) -> String {
        self.0.to_string()
    }

    fn run(&self) -> Option<String> {
        if self.0 != "foo" {
            return Some(format!("{} != foo", self.0));
        }
        None
    }
}

#[test_case]
const TEST_1: IsFoo = IsFoo("hello");

#[test_case]
const TEST_2: IsFoo = IsFoo("foo");