1 #![feature(slice_concat_ext)]
3 extern crate compiletest_rs as compiletest;
5 use std::slice::SliceConcatExt;
6 use std::path::{PathBuf, Path};
10 macro_rules! eprintln {
12 let stderr = std::io::stderr();
13 writeln!(stderr.lock(), $($arg)*).unwrap();
17 fn miri_path() -> PathBuf {
18 if rustc_test_suite().is_some() {
19 PathBuf::from(option_env!("MIRI_PATH").unwrap())
21 PathBuf::from(concat!("target/", env!("PROFILE"), "/miri"))
25 fn rustc_test_suite() -> Option<PathBuf> {
26 option_env!("RUSTC_TEST_SUITE").map(PathBuf::from)
29 fn rustc_lib_path() -> PathBuf {
30 option_env!("RUSTC_LIB_PATH").unwrap().into()
33 fn compile_fail(sysroot: &Path, path: &str, target: &str, host: &str, fullmir: bool) {
35 "## Running compile-fail tests in {} against miri for target {}",
39 let mut config = compiletest::Config::default().tempdir();
40 config.mode = "compile-fail".parse().expect("Invalid mode");
41 config.rustc_path = miri_path();
42 let mut flags = Vec::new();
43 if rustc_test_suite().is_some() {
44 config.run_lib_path = rustc_lib_path();
45 config.compile_lib_path = rustc_lib_path();
47 // if we are building as part of the rustc test suite, we already have fullmir for everything
48 if fullmir && rustc_test_suite().is_none() {
50 // skip fullmir on nonhost
53 let sysroot = std::env::home_dir().unwrap()
56 config.target_rustcflags = Some(format!("--sysroot {}", sysroot.to_str().unwrap()));
57 config.src_base = PathBuf::from(path.to_string());
59 config.target_rustcflags = Some(format!("--sysroot {}", sysroot.to_str().unwrap()));
60 config.src_base = PathBuf::from(path.to_string());
62 flags.push("-Zmir-emit-validate=1".to_owned());
63 config.target_rustcflags = Some(flags.join(" "));
64 config.target = target.to_owned();
65 compiletest::run_tests(&config);
68 fn run_pass(path: &str) {
69 eprintln!("## Running run-pass tests in {} against rustc", path);
70 let mut config = compiletest::Config::default().tempdir();
71 config.mode = "run-pass".parse().expect("Invalid mode");
72 config.src_base = PathBuf::from(path);
73 if let Some(rustc_path) = rustc_test_suite() {
74 config.rustc_path = rustc_path;
75 config.run_lib_path = rustc_lib_path();
76 config.compile_lib_path = rustc_lib_path();
77 config.target_rustcflags = Some(format!("-Dwarnings --sysroot {}", get_sysroot().display()));
79 config.target_rustcflags = Some("-Dwarnings".to_owned());
81 config.host_rustcflags = Some("-Dwarnings".to_string());
82 compiletest::run_tests(&config);
85 fn miri_pass(path: &str, target: &str, host: &str, fullmir: bool, opt: bool) {
86 let opt_str = if opt { " with optimizations" } else { "" };
88 "## Running run-pass tests in {} against miri for target {}{}",
93 let mut config = compiletest::Config::default().tempdir();
94 config.mode = "ui".parse().expect("Invalid mode");
95 config.src_base = PathBuf::from(path);
96 config.target = target.to_owned();
97 config.host = host.to_owned();
98 config.rustc_path = miri_path();
99 if rustc_test_suite().is_some() {
100 config.run_lib_path = rustc_lib_path();
101 config.compile_lib_path = rustc_lib_path();
103 let mut flags = Vec::new();
104 // Control miri logging. This is okay despite concurrent test execution as all tests
105 // will set this env var to the same value.
106 env::set_var("MIRI_LOG", "warn");
107 // if we are building as part of the rustc test suite, we already have fullmir for everything
108 if fullmir && rustc_test_suite().is_none() {
110 // skip fullmir on nonhost
113 let sysroot = std::env::home_dir().unwrap()
117 flags.push(format!("--sysroot {}", sysroot.to_str().unwrap()));
120 flags.push("-Zmir-opt-level=3".to_owned());
122 flags.push("-Zmir-opt-level=0".to_owned());
123 // For now, only validate without optimizations. Inlining breaks validation.
124 flags.push("-Zmir-emit-validate=1".to_owned());
127 flags.push("--miri_host_target".to_owned());
129 config.target_rustcflags = Some(flags.join(" "));
130 compiletest::run_tests(&config);
133 fn is_target_dir<P: Into<PathBuf>>(path: P) -> bool {
134 let mut path = path.into();
136 path.metadata().map(|m| m.is_dir()).unwrap_or(false)
139 fn for_all_targets<F: FnMut(String)>(sysroot: &Path, mut f: F) {
140 let target_dir = sysroot.join("lib").join("rustlib");
141 for entry in std::fs::read_dir(target_dir).expect("invalid sysroot") {
142 let entry = entry.unwrap();
143 if !is_target_dir(entry.path()) {
146 let target = entry.file_name().into_string().unwrap();
151 fn get_sysroot() -> PathBuf {
152 let sysroot = std::env::var("MIRI_SYSROOT").unwrap_or_else(|_| {
153 let sysroot = std::process::Command::new("rustc")
157 .expect("rustc not found")
159 String::from_utf8(sysroot).expect("sysroot is not utf8")
161 PathBuf::from(sysroot.trim())
164 fn get_host() -> String {
165 let rustc = rustc_test_suite().unwrap_or(PathBuf::from("rustc"));
166 println!("using rustc at {}", rustc.display());
167 let host = std::process::Command::new(rustc)
170 .expect("rustc not found for -vV")
172 let host = std::str::from_utf8(&host).expect("sysroot is not utf8");
173 let host = host.split("\nhost: ").nth(1).expect(
174 "no host: part in rustc -vV",
176 let host = host.split('\n').next().expect("no \n after host");
180 fn run_pass_miri(opt: bool) {
181 let sysroot = get_sysroot();
182 let host = get_host();
184 for_all_targets(&sysroot, |target| {
185 miri_pass("tests/run-pass", &target, &host, false, opt);
187 miri_pass("tests/run-pass-fullmir", &host, &host, true, opt);
191 fn run_pass_miri_noopt() {
192 run_pass_miri(false);
196 #[ignore] // FIXME: Disabled for now, as the optimizer is pretty broken and crashes...
197 fn run_pass_miri_opt() {
202 fn run_pass_rustc() {
203 run_pass("tests/run-pass");
204 run_pass("tests/run-pass-fullmir");
208 fn compile_fail_miri() {
209 let sysroot = get_sysroot();
210 let host = get_host();
212 for_all_targets(&sysroot, |target| {
213 compile_fail(&sysroot, "tests/compile-fail", &target, &host, false);
215 compile_fail(&sysroot, "tests/compile-fail-fullmir", &host, &host, true);