//! M2: `ail build --emit=staticlib` is RC-only. `--alloc=gc`/`--alloc=bump`
//! must fail the build (the shared Boehm collector / bench stub are not
//! swarm-safe). RED until the Task-4 CLI guard lands: today the alloc
//! strategy is passed straight through and the build SUCCEEDS.
use std::process::Command;

fn ail_bin() -> &'static str { env!("CARGO_BIN_EXE_ail") }

fn build_staticlib_with_alloc(alloc: &str, outdir: &str) -> std::process::Output {
    Command::new(ail_bin())
        .args([
            "build", "examples/embed_backtest_step.ail",
            "--emit=staticlib", &format!("--alloc={alloc}"), "-o", outdir,
        ])
        .current_dir(env!("CARGO_MANIFEST_DIR").to_string() + "/../..")
        .output()
        .expect("spawn ail build")
}

#[test]
fn staticlib_gc_is_rejected() {
    let out = build_staticlib_with_alloc("gc", "/tmp/ail_m2_guard_gc");
    assert!(
        !out.status.success(),
        "expected `--emit=staticlib --alloc=gc` to FAIL the build; exit was success"
    );
    let stderr = String::from_utf8_lossy(&out.stderr);
    assert!(
        stderr.contains("staticlib (swarm) artefact is RC-only"),
        "expected the RC-only diagnostic; stderr was:\n{stderr}"
    );
}

#[test]
fn staticlib_bump_is_rejected() {
    let out = build_staticlib_with_alloc("bump", "/tmp/ail_m2_guard_bump");
    assert!(
        !out.status.success(),
        "expected `--emit=staticlib --alloc=bump` to FAIL the build; exit was success"
    );
    let stderr = String::from_utf8_lossy(&out.stderr);
    assert!(
        stderr.contains("staticlib (swarm) artefact is RC-only"),
        "expected the RC-only diagnostic; stderr was:\n{stderr}"
    );
}