92 lines
3.5 KiB
Rust
92 lines
3.5 KiB
Rust
extern crate compiletest_rs as compiletest;
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use std::path::{PathBuf, Path};
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use std::io::Write;
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fn compile_fail(sysroot: &Path) {
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let flags = format!("--sysroot {} -Dwarnings", sysroot.to_str().expect("non utf8 path"));
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for_all_targets(&sysroot, |target| {
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let mut config = compiletest::default_config();
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config.host_rustcflags = Some(flags.clone());
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config.mode = "compile-fail".parse().expect("Invalid mode");
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config.run_lib_path = Path::new(sysroot).join("lib").join("rustlib").join(&target).join("lib");
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config.rustc_path = "target/debug/miri".into();
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config.src_base = PathBuf::from("tests/compile-fail".to_string());
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config.target = target.to_owned();
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config.target_rustcflags = Some(flags.clone());
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compiletest::run_tests(&config);
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});
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}
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fn run_pass() {
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let mut config = compiletest::default_config();
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config.mode = "run-pass".parse().expect("Invalid mode");
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config.src_base = PathBuf::from("tests/run-pass".to_string());
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config.target_rustcflags = Some("-Dwarnings".to_string());
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config.host_rustcflags = Some("-Dwarnings".to_string());
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compiletest::run_tests(&config);
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}
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fn miri_pass(path: &str, target: &str, host: &str) {
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let mut config = compiletest::default_config();
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config.mode = "mir-opt".parse().expect("Invalid mode");
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config.src_base = PathBuf::from(path);
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config.target = target.to_owned();
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config.rustc_path = PathBuf::from("target/debug/miri");
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// don't actually execute the final binary, it might be for other targets and we only care
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// about running miri, not the binary.
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config.runtool = Some("echo \"\" || ".to_owned());
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if target == host {
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std::env::set_var("MIRI_HOST_TARGET", "yes");
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}
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compiletest::run_tests(&config);
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std::env::set_var("MIRI_HOST_TARGET", "");
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}
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fn is_target_dir<P: Into<PathBuf>>(path: P) -> bool {
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let mut path = path.into();
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path.push("lib");
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path.metadata().map(|m| m.is_dir()).unwrap_or(false)
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}
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fn for_all_targets<F: FnMut(String)>(sysroot: &Path, mut f: F) {
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let target_dir = sysroot.join("lib").join("rustlib");
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println!("target dir: {}", target_dir.to_str().unwrap());
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for entry in std::fs::read_dir(target_dir).expect("invalid sysroot") {
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let entry = entry.unwrap();
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if !is_target_dir(entry.path()) { continue; }
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let target = entry.file_name().into_string().unwrap();
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let stderr = std::io::stderr();
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writeln!(stderr.lock(), "running tests for target {}", target).unwrap();
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f(target);
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}
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}
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#[test]
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fn compile_test() {
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let sysroot = std::process::Command::new("rustc")
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.arg("--print")
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.arg("sysroot")
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.output()
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.expect("rustc not found")
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.stdout;
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let sysroot = std::str::from_utf8(&sysroot).expect("sysroot is not utf8").trim();
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let sysroot = &Path::new(&sysroot);
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let host = std::process::Command::new("rustc")
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.arg("-vV")
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.output()
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.expect("rustc not found for -vV")
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.stdout;
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let host = std::str::from_utf8(&host).expect("sysroot is not utf8");
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let host = host.split("\nhost: ").skip(1).next().expect("no host: part in rustc -vV");
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let host = host.split("\n").next().expect("no \n after host");
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run_pass();
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for_all_targets(&sysroot, |target| {
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miri_pass("tests/run-pass", &target, host);
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if let Ok(path) = std::env::var("MIRI_RUSTC_TEST") {
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miri_pass(&path, &target, host);
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}
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});
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compile_fail(&sysroot);
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}
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