23 lines
849 B
Rust
23 lines
849 B
Rust
// ignore-tidy-linelength
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// Check that the `CURRENT_RUSTC_VERSION` placeholder is correctly replaced by the current
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// `rustc` version and the `since` property in feature stability gating is properly respected.
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use std::path::PathBuf;
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use run_make_support::{aux_build, rustc, source_root};
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fn main() {
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aux_build().input("stable.rs").emit("metadata").run();
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let mut stable_path = PathBuf::from(env!("TMPDIR"));
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stable_path.push("libstable.rmeta");
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let output =
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rustc().input("main.rs").emit("metadata").extern_("stable", &stable_path).command_output();
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let stderr = String::from_utf8_lossy(&output.stderr);
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let version = std::fs::read_to_string(source_root().join("src/version")).unwrap();
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let expected_string = format!("stable since {}", version.trim());
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assert!(stderr.contains(&expected_string));
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}
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