2018-11-09 04:48:10 -06:00
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#![feature(slice_concat_ext, custom_test_frameworks)]
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#![test_runner(test_runner)]
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2016-04-22 03:34:14 -05:00
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2017-07-20 09:05:14 -05:00
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use std::slice::SliceConcatExt;
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2016-06-15 06:18:35 -05:00
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use std::path::{PathBuf, Path};
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2018-11-09 04:48:10 -06:00
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use std::env;
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2016-04-22 03:34:14 -05:00
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2018-11-09 04:48:10 -06:00
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use compiletest_rs as compiletest;
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use colored::*;
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2017-06-21 16:28:13 -05:00
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2017-08-08 03:28:05 -05:00
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fn miri_path() -> PathBuf {
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if rustc_test_suite().is_some() {
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PathBuf::from(option_env!("MIRI_PATH").unwrap())
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} else {
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PathBuf::from(concat!("target/", env!("PROFILE"), "/miri"))
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}
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}
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fn rustc_test_suite() -> Option<PathBuf> {
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option_env!("RUSTC_TEST_SUITE").map(PathBuf::from)
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}
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fn rustc_lib_path() -> PathBuf {
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option_env!("RUSTC_LIB_PATH").unwrap().into()
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}
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2017-08-02 11:28:12 -05:00
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2018-07-12 04:01:09 -05:00
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fn have_fullmir() -> bool {
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// We assume we have full MIR when MIRI_SYSROOT is set or when we are in rustc
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std::env::var("MIRI_SYSROOT").is_ok() || rustc_test_suite().is_some()
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}
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2018-11-09 07:04:22 -06:00
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fn mk_config(mode: &str) -> compiletest::common::ConfigWithTemp {
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let mut config = compiletest::Config::default().tempdir();
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2018-11-09 04:48:10 -06:00
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config.mode = mode.parse().expect("Invalid mode");
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config.rustc_path = miri_path();
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if rustc_test_suite().is_some() {
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config.run_lib_path = rustc_lib_path();
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config.compile_lib_path = rustc_lib_path();
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}
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config.filter = env::args().nth(1);
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config
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}
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2018-10-23 06:09:17 -05:00
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fn compile_fail(sysroot: &Path, path: &str, target: &str, host: &str, need_fullmir: bool, opt: bool) {
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2018-07-12 04:01:09 -05:00
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if need_fullmir && !have_fullmir() {
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2018-11-09 04:48:10 -06:00
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eprintln!("{}\n", format!(
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2018-07-12 04:01:09 -05:00
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"## Skipping compile-fail tests in {} against miri for target {} due to missing mir",
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path,
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target
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2018-07-12 04:26:09 -05:00
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).yellow().bold());
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2018-07-12 04:01:09 -05:00
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return;
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}
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2018-10-23 06:09:17 -05:00
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let opt_str = if opt { " with optimizations" } else { "" };
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2018-07-12 04:26:09 -05:00
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eprintln!("{}", format!(
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2018-10-23 06:09:17 -05:00
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"## Running compile-fail tests in {} against miri for target {}{}",
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2017-08-10 10:48:38 -05:00
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path,
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2018-10-23 06:09:17 -05:00
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target,
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opt_str
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2018-07-12 04:26:09 -05:00
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).green().bold());
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2018-10-23 06:09:17 -05:00
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let mut flags = Vec::new();
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flags.push(format!("--sysroot {}", sysroot.display()));
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flags.push("-Dwarnings -Dunused".to_owned()); // overwrite the -Aunused in compiletest-rs
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2018-11-20 05:41:34 -06:00
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flags.push("--edition 2018".to_owned());
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2018-10-23 06:09:17 -05:00
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if opt {
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// Optimizing too aggressivley makes UB detection harder, but test at least
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// the default value.
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2018-10-24 10:17:44 -05:00
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// FIXME: Opt level 3 ICEs during stack trace generation.
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2018-10-23 06:09:17 -05:00
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flags.push("-Zmir-opt-level=1".to_owned());
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}
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2018-11-09 04:48:10 -06:00
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let mut config = mk_config("compile-fail");
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config.src_base = PathBuf::from(path);
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2017-06-21 08:07:40 -05:00
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config.target = target.to_owned();
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2018-07-12 04:01:09 -05:00
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config.host = host.to_owned();
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2018-11-09 04:48:10 -06:00
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config.target_rustcflags = Some(flags.join(" "));
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2018-11-09 07:04:22 -06:00
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compiletest::run_tests(&config);
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2016-06-15 06:18:35 -05:00
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}
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2018-07-12 04:01:09 -05:00
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fn miri_pass(sysroot: &Path, path: &str, target: &str, host: &str, need_fullmir: bool, opt: bool) {
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if need_fullmir && !have_fullmir() {
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2018-11-09 04:48:10 -06:00
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eprintln!("{}\n", format!(
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2018-07-12 04:01:09 -05:00
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"## Skipping run-pass tests in {} against miri for target {} due to missing mir",
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path,
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target
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2018-07-12 04:26:09 -05:00
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).yellow().bold());
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2018-07-12 04:01:09 -05:00
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return;
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}
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2017-08-10 10:48:38 -05:00
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let opt_str = if opt { " with optimizations" } else { "" };
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2018-07-12 04:26:09 -05:00
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eprintln!("{}", format!(
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2017-08-10 10:48:38 -05:00
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"## Running run-pass tests in {} against miri for target {}{}",
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path,
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target,
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opt_str
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2018-07-12 04:26:09 -05:00
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).green().bold());
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2018-10-23 06:09:17 -05:00
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2017-07-20 09:05:14 -05:00
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let mut flags = Vec::new();
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2018-07-12 04:01:09 -05:00
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flags.push(format!("--sysroot {}", sysroot.display()));
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2018-07-16 01:39:06 -05:00
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flags.push("-Dwarnings -Dunused".to_owned()); // overwrite the -Aunused in compiletest-rs
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2018-11-20 05:41:34 -06:00
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flags.push("--edition 2018".to_owned());
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2017-07-20 09:05:14 -05:00
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if opt {
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2018-11-09 03:53:28 -06:00
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// FIXME: We use opt level 1 because MIR inlining defeats the validation
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// whitelist.
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flags.push("-Zmir-opt-level=1".to_owned());
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2018-10-23 06:09:17 -05:00
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}
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2018-11-16 03:01:54 -06:00
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if !have_fullmir() {
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2018-12-02 04:14:24 -06:00
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// FIXME: Validation relies on the EscapeToRaw statements being emitted
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2018-11-16 03:01:54 -06:00
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flags.push("-Zmiri-disable-validation".to_owned());
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}
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2018-10-23 06:09:17 -05:00
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2018-11-09 04:48:10 -06:00
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let mut config = mk_config("ui");
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2018-10-23 06:09:17 -05:00
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config.src_base = PathBuf::from(path);
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config.target = target.to_owned();
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config.host = host.to_owned();
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2017-07-20 09:05:14 -05:00
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config.target_rustcflags = Some(flags.join(" "));
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2018-11-09 07:04:22 -06:00
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compiletest::run_tests(&config);
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2016-12-16 19:10:16 -06:00
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}
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2016-12-17 02:54:37 -06:00
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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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2018-11-30 10:05:37 -06:00
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fn target_has_std<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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std::fs::read_dir(path)
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.expect("invalid target")
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.map(|entry| entry.unwrap())
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.filter(|entry| entry.file_type().unwrap().is_file())
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.filter_map(|entry| entry.file_name().into_string().ok())
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.any(|file_name| file_name.starts_with("libstd") && file_name.ends_with(".rlib"))
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}
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fn for_all_targets<F: FnMut(String)>(sysroot: &Path, f: F) {
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2016-12-20 02:58:41 -06:00
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let target_dir = sysroot.join("lib").join("rustlib");
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2018-11-30 10:05:37 -06:00
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let mut targets = std::fs::read_dir(target_dir)
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.expect("invalid sysroot")
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.map(|entry| entry.unwrap())
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.filter(|entry| is_target_dir(entry.path()))
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.filter(|entry| target_has_std(entry.path()))
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.map(|entry| entry.file_name().into_string().unwrap())
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.peekable();
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if targets.peek().is_none() {
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panic!("No valid targets found");
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2016-05-31 05:05:25 -05:00
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}
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2018-11-30 10:05:37 -06:00
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targets.for_each(f);
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2016-04-22 03:34:14 -05:00
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}
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2017-07-19 14:52:20 -05:00
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fn get_sysroot() -> PathBuf {
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2017-05-30 16:09:40 -05:00
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let sysroot = std::env::var("MIRI_SYSROOT").unwrap_or_else(|_| {
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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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String::from_utf8(sysroot).expect("sysroot is not utf8")
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});
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2017-07-19 14:52:20 -05:00
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PathBuf::from(sysroot.trim())
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}
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fn get_host() -> String {
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2017-09-11 04:01:26 -05:00
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let rustc = rustc_test_suite().unwrap_or(PathBuf::from("rustc"));
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let host = std::process::Command::new(rustc)
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2016-12-20 02:58:41 -06:00
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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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2017-08-10 10:48:38 -05:00
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let host = host.split("\nhost: ").nth(1).expect(
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"no host: part in rustc -vV",
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);
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2017-05-05 03:34:38 -05:00
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let host = host.split('\n').next().expect("no \n after host");
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2017-07-19 14:52:20 -05:00
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String::from(host)
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}
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2017-02-07 05:32:39 -06:00
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2017-08-25 12:21:10 -05:00
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fn run_pass_miri(opt: bool) {
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2017-07-19 14:52:20 -05:00
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let sysroot = get_sysroot();
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let host = get_host();
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2017-08-25 12:21:10 -05:00
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for_all_targets(&sysroot, |target| {
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2018-07-12 04:01:09 -05:00
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miri_pass(&sysroot, "tests/run-pass", &target, &host, false, opt);
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2017-08-25 12:21:10 -05:00
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});
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2018-07-12 04:01:09 -05:00
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miri_pass(&sysroot, "tests/run-pass-fullmir", &host, &host, true, opt);
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2017-08-25 12:21:10 -05:00
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}
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2018-10-23 06:09:17 -05:00
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fn compile_fail_miri(opt: bool) {
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2017-07-19 14:52:20 -05:00
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let sysroot = get_sysroot();
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let host = get_host();
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2018-03-18 07:18:41 -05:00
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// FIXME: run tests for other targets, too
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2018-10-23 06:09:17 -05:00
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compile_fail(&sysroot, "tests/compile-fail", &host, &host, false, opt);
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compile_fail(&sysroot, "tests/compile-fail-fullmir", &host, &host, true, opt);
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2017-07-19 14:52:20 -05:00
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}
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2018-07-12 08:01:10 -05:00
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2018-11-09 04:48:10 -06:00
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fn test_runner(_tests: &[&()]) {
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2018-07-12 08:01:10 -05:00
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// We put everything into a single test to avoid the parallelism `cargo test`
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// introduces. We still get parallelism within our tests because `compiletest`
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// uses `libtest` which runs jobs in parallel.
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run_pass_miri(false);
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2018-10-16 10:57:03 -05:00
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run_pass_miri(true);
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2018-07-12 08:01:10 -05:00
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2018-10-23 06:09:17 -05:00
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compile_fail_miri(false);
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compile_fail_miri(true);
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2018-07-12 08:01:10 -05:00
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}
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