94 lines
3.0 KiB
Rust
94 lines
3.0 KiB
Rust
use std::env;
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use std::path::PathBuf;
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use colored::*;
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use compiletest_rs as compiletest;
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fn miri_path() -> PathBuf {
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PathBuf::from(option_env!("MIRI").unwrap_or(env!("CARGO_BIN_EXE_miri")))
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}
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fn run_tests(mode: &str, path: &str, target: &str) {
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let in_rustc_test_suite = option_env!("RUSTC_STAGE").is_some();
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// Add some flags we always want.
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let mut flags = Vec::new();
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flags.push("--edition 2018".to_owned());
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if in_rustc_test_suite {
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// Less aggressive warnings to make the rustc toolstate management less painful.
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// (We often get warnings when e.g. a feature gets stabilized or some lint gets added/improved.)
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flags.push("-Astable-features".to_owned());
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} else {
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flags.push("-Dwarnings -Dunused".to_owned()); // overwrite the -Aunused in compiletest-rs
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}
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if let Ok(sysroot) = env::var("MIRI_SYSROOT") {
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flags.push(format!("--sysroot {}", sysroot));
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}
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if let Ok(extra_flags) = env::var("MIRIFLAGS") {
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flags.push(extra_flags);
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}
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let flags = flags.join(" ");
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eprintln!(" Compiler flags: {}", flags);
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// The rest of the configuration.
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let mut config = compiletest::Config::default().tempdir();
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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 let Some(lib_path) = option_env!("RUSTC_LIB_PATH") {
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config.run_lib_path = PathBuf::from(lib_path);
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config.compile_lib_path = PathBuf::from(lib_path);
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}
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config.filters = env::args().nth(1).into_iter().collect();
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config.host = get_host();
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config.src_base = PathBuf::from(path);
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config.target = target.to_owned();
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config.target_rustcflags = Some(flags);
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compiletest::run_tests(&config);
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}
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fn compile_fail(path: &str, target: &str) {
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eprintln!(
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"{}",
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format!("## Running compile-fail tests in {} against miri for target {}", path, target)
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.green()
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.bold()
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);
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run_tests("compile-fail", path, target);
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}
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fn miri_pass(path: &str, target: &str) {
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eprintln!(
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"{}",
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format!("## Running run-pass tests in {} against miri for target {}", path, target)
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.green()
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.bold()
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);
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run_tests("ui", path, target);
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}
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fn get_host() -> String {
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let version_meta =
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rustc_version::VersionMeta::for_command(std::process::Command::new(miri_path()))
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.expect("failed to parse rustc version info");
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version_meta.host
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}
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fn get_target() -> String {
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env::var("MIRI_TEST_TARGET").unwrap_or_else(|_| get_host())
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}
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fn main() {
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// Add a test env var to do environment communication tests.
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env::set_var("MIRI_ENV_VAR_TEST", "0");
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// Let the tests know where to store temp files (they might run for a different target, which can make this hard to find).
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env::set_var("MIRI_TEMP", env::temp_dir());
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// Panic tests expect backtraces to be printed.
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env::set_var("RUST_BACKTRACE", "1");
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let target = get_target();
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miri_pass("tests/run-pass", &target);
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compile_fail("tests/compile-fail", &target);
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}
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