rust/compiler/rustc_codegen_ssa/src/back/rpath/tests.rs

use super::RPathConfig;
use super::{get_rpath_relative_to_output, minimize_rpaths, rpaths_to_flags};
use std::path::{Path, PathBuf};

#[test]
fn test_rpaths_to_flags() {
    let flags = rpaths_to_flags(&["path1".to_string(), "path2".to_string()]);
    assert_eq!(flags, ["-Wl,-rpath,path1", "-Wl,-rpath,path2"]);
}

#[test]
fn test_minimize1() {
    let res = minimize_rpaths(&["rpath1".to_string(), "rpath2".to_string(), "rpath1".to_string()]);
    assert!(res == ["rpath1", "rpath2",]);
}

#[test]
fn test_minimize2() {
    let res = minimize_rpaths(&[
        "1a".to_string(),
        "2".to_string(),
        "2".to_string(),
        "1a".to_string(),
        "4a".to_string(),
        "1a".to_string(),
        "2".to_string(),
        "3".to_string(),
        "4a".to_string(),
        "3".to_string(),
    ]);
    assert!(res == ["1a", "2", "4a", "3",]);
}

#[test]
fn test_rpath_relative() {
    if cfg!(target_os = "macos") {
        let config = &mut RPathConfig {
            libs: &[],
            has_rpath: true,
            is_like_osx: true,
            linker_is_gnu: false,
            out_filename: PathBuf::from("bin/rustc"),
        };
        let res = get_rpath_relative_to_output(config, Path::new("lib/libstd.so"));
        assert_eq!(res, "@loader_path/../lib");
    } else {
        let config = &mut RPathConfig {
            libs: &[],
            out_filename: PathBuf::from("bin/rustc"),
            has_rpath: true,
            is_like_osx: false,
            linker_is_gnu: true,
        };
        let res = get_rpath_relative_to_output(config, Path::new("lib/libstd.so"));
        assert_eq!(res, "$ORIGIN/../lib");
    }
}

#[test]
fn test_xlinker() {
    let args = rpaths_to_flags(&["a/normal/path".to_string(), "a,comma,path".to_string()]);

    assert_eq!(
        args,
        vec![
            "-Wl,-rpath,a/normal/path".to_string(),
            "-Wl,-rpath".to_string(),
            "-Xlinker".to_string(),
            "a,comma,path".to_string()
        ]
    );
}