// ignore-tidy-linelength

// Check that the `CURRENT_RUSTC_VERSION` placeholder is correctly replaced by the current
// `rustc` version and the `since` property in feature stability gating is properly respected.

use std::path::PathBuf;

use run_make_support::{aux_build, rustc};

fn main() {
    aux_build().input("stable.rs").emit("metadata").run();

    let mut stable_path = PathBuf::from(env!("TMPDIR"));
    stable_path.push("libstable.rmeta");

    let output =
        rustc().input("main.rs").emit("metadata").extern_("stable", &stable_path).command_output();

    let stderr = String::from_utf8_lossy(&output.stderr);
    let version = include_str!(concat!(env!("S"), "/src/version"));
    let expected_string = format!("stable since {}", version.trim());
    assert!(stderr.contains(&expected_string));
}