src/tools/cargo/tests/testsuite/resolve.rs

use crate::support::project;
use crate::support::registry::Package;

// Ensure that the "-Z minimal-versions" CLI option works and the minimal
// version of a dependency ends up in the lock file.
#[cargo_test]
fn minimal_version_cli() {
    Package::new("dep", "1.0.0").publish();
    Package::new("dep", "1.1.0").publish();

    let p = project()
        .file(
            "Cargo.toml",
            r#"
            [package]
            name = "foo"
            authors = []
            version = "0.0.1"

            [dependencies]
            dep = "1.0"
        "#,
        )
        .file("src/main.rs", "fn main() {}")
        .build();

    p.cargo("generate-lockfile -Zminimal-versions")
        .masquerade_as_nightly_cargo()
        .run();

    let lock = p.read_lockfile();

    assert!(lock.contains("dep 1.0.0"));
}