rust/tests/compiletest.rs
2017-01-12 08:45:09 +01:00

93 lines
3.5 KiB
Rust

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