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OxideJS/crates/oxide_test262/src/main.rs
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2026-06-30 15:11:11 +08:00

1325 lines
50 KiB
Rust

#![allow(clippy::arc_with_non_send_sync)]
use oxide_compiler::compiler::Compiler;
use oxide_kernel::kernel::{KernelConfig, KernelCore};
use oxide_vm::vm::Vm;
use serde::Deserialize;
use std::collections::HashMap;
use std::path::{Path, PathBuf};
use std::process::Command;
use std::sync::atomic::{AtomicUsize, Ordering};
use std::sync::{Arc, OnceLock, RwLock};
use std::time::{Duration, Instant};
use walkdir::WalkDir;
mod test262_log;
use oxide_log::{Level, LogConfig, Output, SUBSYSTEM_COUNT};
// Thread-local that records the path currently being executed.
// Written before every test; read by the panic hook to identify the crash file.
std::thread_local! {
static CURRENT_TEST_PATH: std::cell::RefCell<String> = const { std::cell::RefCell::new(String::new()) };
}
#[derive(Debug, Deserialize)]
#[allow(dead_code)]
struct Negative {
phase: String,
#[serde(rename = "type")]
error_type: String,
}
#[derive(Debug, Deserialize)]
#[allow(dead_code)]
struct TestMeta {
#[serde(default)]
description: String,
#[serde(default)]
flags: Vec<String>,
#[serde(default)]
includes: Vec<String>,
#[serde(default)]
features: Vec<String>,
#[serde(default)]
negative: Option<Negative>,
#[serde(default)]
es5id: String,
#[serde(default)]
es6id: String,
#[serde(default)]
esid: String,
}
#[derive(Debug)]
#[allow(dead_code)]
enum TestOutcome {
Pass(String),
Fail(String),
Skip(String),
}
#[derive(Debug)]
#[allow(dead_code)]
struct TestResult {
path: PathBuf,
outcome: TestOutcome,
duration_ms: u64,
}
impl TestResult {
fn pass(path: PathBuf, dur: u64, msg: impl Into<String>) -> Self {
Self {
path,
outcome: TestOutcome::Pass(msg.into()),
duration_ms: dur,
}
}
fn fail(path: PathBuf, dur: u64, msg: impl Into<String>) -> Self {
Self {
path,
outcome: TestOutcome::Fail(msg.into()),
duration_ms: dur,
}
}
fn skip(path: PathBuf, msg: String) -> Self {
Self {
path,
outcome: TestOutcome::Skip(msg),
duration_ms: 0,
}
}
}
fn parse_meta(source: &str) -> Option<TestMeta> {
let header_start = source.find("/*---")?;
let header = &source[header_start..];
let header = header.strip_prefix("/*---")?;
let end = header.find("---*/")?;
let yaml_body = &header[..end];
let yaml_body = yaml_body.trim();
serde_yaml::from_str::<TestMeta>(yaml_body).ok()
}
fn strip_meta(source: &str) -> &str {
if let Some(pos) = source.find("---*/") {
return source[pos + 5..].trim_start();
}
source
}
#[derive(Default)]
struct RunStats {
pass: usize,
fail: usize,
skip: usize,
total_ms: u64,
fail_categories: HashMap<String, usize>,
}
impl RunStats {
/// Fold another worker's partial stats into this one. Used to reduce
/// per-worker results back into a single total after parallel execution.
fn merge(&mut self, other: RunStats) {
self.pass += other.pass;
self.fail += other.fail;
self.skip += other.skip;
self.total_ms += other.total_ms;
for (cat, count) in other.fail_categories {
*self.fail_categories.entry(cat).or_insert(0) += count;
}
}
/// Record a single test result into the running totals.
fn record(&mut self, result: &TestResult) {
match &result.outcome {
TestOutcome::Pass(_) => self.pass += 1,
TestOutcome::Fail(msg) => {
let cat = categorize_fail(msg);
*self.fail_categories.entry(cat).or_insert(0) += 1;
self.fail += 1;
}
TestOutcome::Skip(_) => self.skip += 1,
}
self.total_ms += result.duration_ms;
}
}
#[derive(Debug, Default)]
struct RunConfig {
test262_root: Option<PathBuf>,
filter: Option<String>,
no_skip: bool,
supervise: bool,
leak_check: bool,
leak_check_interval: usize,
}
struct HarnessSources {
sources: HashMap<&'static str, &'static str>,
}
type HarnessPrefixCache = HashMap<Vec<String>, String>;
impl HarnessSources {
fn new() -> Self {
let mut sources = HashMap::new();
sources.insert("sta.js", include_str!("../../../tests/test262/harness/sta.js"));
sources.insert("assert.js", include_str!("../../../tests/test262/harness/assert.js"));
sources.insert("propertyHelper.js", include_str!("../../../tests/test262/harness/propertyHelper.js"));
sources.insert("compareArray.js", include_str!("../../../tests/test262/harness/compareArray.js"));
sources.insert("fnGlobalObject.js", include_str!("../../../tests/test262/harness/fnGlobalObject.js"));
sources.insert("nans.js", include_str!("../../../tests/test262/harness/nans.js"));
sources.insert("dateConstants.js", include_str!("../../../tests/test262/harness/dateConstants.js"));
sources.insert(
"decimalToHexString.js",
include_str!("../../../tests/test262/harness/decimalToHexString.js"),
);
sources.insert("isConstructor.js", include_str!("../../../tests/test262/harness/isConstructor.js"));
sources.insert("nativeErrors.js", include_str!("../../../tests/test262/harness/nativeErrors.js"));
sources.insert(
"nativeFunctionMatcher.js",
include_str!("../../../tests/test262/harness/nativeFunctionMatcher.js"),
);
sources.insert("regExpUtils.js", include_str!("../../../tests/test262/harness/regExpUtils.js"));
sources.insert(
"assertRelativeDateMs.js",
include_str!("../../../tests/test262/harness/assertRelativeDateMs.js"),
);
sources.insert(
"wellKnownIntrinsicObjects.js",
include_str!("../../../tests/test262/harness/wellKnownIntrinsicObjects.js"),
);
sources.insert("typeCoercion.js", include_str!("../../../tests/test262/harness/typeCoercion.js"));
sources.insert("deepEqual.js", include_str!("../../../tests/test262/harness/deepEqual.js"));
Self { sources }
}
fn get(&self, name: &str) -> Option<&'static str> {
self.sources.get(name).copied()
}
}
static HARNESS: OnceLock<HarnessSources> = OnceLock::new();
fn is_blacklisted_harness(name: &str) -> bool {
matches!(
name,
"testTypedArray.js"
| "testIntl.js"
| "testAtomics.js"
| "atomicsHelper.js"
| "proxyTrapsHelper.js"
| "temporalHelpers.js"
| "tcoHelper.js"
| "asyncHelpers.js"
| "promiseHelper.js"
| "detachArrayBuffer.js"
| "resizableArrayBufferUtils.js"
| "byteConversionValues.js"
| "compareIterator.js"
| "iteratorZipUtils.js"
| "doneprintHandle.js"
)
}
fn test262_error_prelude() -> &'static str {
r#"
function Test262Error(message) {
this.message = message;
this.name = "Test262Error";
}
Test262Error.prototype = new Error();
Test262Error.prototype.constructor = Test262Error;
"#
}
fn append_source_chunk(out: &mut String, name: &str, source: &str) {
out.push_str("\n// ---- test262 harness: ");
out.push_str(name);
out.push_str(" ----\n");
out.push_str(source);
out.push('\n');
}
fn harness_key(meta: &TestMeta) -> Vec<String> {
meta.includes.clone()
}
fn build_harness_source(meta: &TestMeta, harness: &HarnessSources) -> Result<String, String> {
let mut source = String::new();
append_source_chunk(&mut source, "Test262Error prelude", test262_error_prelude());
append_source_chunk(
&mut source,
"sta.js",
harness.get("sta.js").ok_or_else(|| String::from("unknown harness: sta.js"))?,
);
append_source_chunk(
&mut source,
"assert.js",
harness
.get("assert.js")
.ok_or_else(|| String::from("unknown harness: assert.js"))?,
);
for include in &meta.includes {
if is_blacklisted_harness(include) {
return Err(format!("out-of-scope harness: {include}"));
}
let include_source = harness.get(include).ok_or_else(|| format!("unknown harness: {include}"))?;
append_source_chunk(&mut source, include, include_source);
}
Ok(source)
}
fn get_harness_prefix(
meta: &TestMeta, harness: &HarnessSources, cache: &Arc<RwLock<HarnessPrefixCache>>,
) -> Result<String, String> {
let key = harness_key(meta);
{
let guard = cache.read().unwrap();
if let Some(prefix) = guard.get(&key) {
return Ok(prefix.clone());
}
}
let source = build_harness_source(meta, harness)?;
cache.write().unwrap().insert(key, source.clone());
Ok(source)
}
impl RunConfig {
fn new() -> Self {
Self {
test262_root: None,
filter: None,
no_skip: false,
supervise: false,
leak_check: false,
leak_check_interval: 1000,
}
}
fn parse(args: &[String]) -> Result<Self, String> {
let mut config = Self::new();
let mut positional = Vec::new();
for arg in args.iter().skip(1) {
match arg.as_str() {
"--no-skip" => config.no_skip = true,
"--supervise" => config.supervise = true,
"--leak-check" => config.leak_check = true,
"--help" | "-h" => return Err(Self::usage()),
_ if arg.starts_with("--leak-check-interval=") => {
config.leak_check_interval =
arg.strip_prefix("--leak-check-interval=").unwrap().parse().unwrap_or(1000);
}
_ if arg.starts_with("--") => return Err(format!("unknown option: {arg}\n\n{}", Self::usage())),
_ => positional.push(arg.clone()),
}
}
if let Some(root) = positional.first() {
config.test262_root = Some(PathBuf::from(root));
}
if let Some(filter) = positional.get(1) {
config.filter = Some(filter.clone());
}
if positional.len() > 2 {
return Err(format!("too many positional arguments\n\n{}", Self::usage()));
}
Ok(config)
}
fn usage() -> String {
"usage: test262-runner [--no-skip] [--supervise] [--leak-check] [--leak-check-interval=N] [test262-root] [path-filter]\n\
\n\
--no-skip Run capability-excluded tests and count unsupported compile/runtime results as failures.\n\
--supervise Run the suite as single-worker child-process windows with a hard per-test timeout and\n\
\x20 automatic resume past any hanging/crashing test. A hang or crash is reported by path.\n\
--leak-check Monitor session_object_ptrs, session_bytes, code_forge.len(), symbol_registry.len() every\n\
\x20 --leak-check-interval tests (default 1000). Flags sustained linear growth (R^2>0.9).\n\
\n\
supervised-mode env tunables:\n\
\x20 OXIDE_TEST262_TIMEOUT_SECS per-test wall-clock timeout (default 10)\n\
\x20 OXIDE_TEST262_WINDOW tests per window (default 5000)\n\
\x20 OXIDE_TEST262_SUPERVISORS concurrent windows (default = available parallelism)\n\
\x20 OXIDE_TEST262_STARTUP_GRACE_SECS grace for a child's first heartbeat (default 60)"
.into()
}
}
fn is_skipped(meta: &TestMeta) -> Option<String> {
for flag in &meta.flags {
match flag.as_str() {
"module" => return Some("module tests excluded".into()),
"async" => return Some("async tests excluded".into()),
"raw" => return Some("raw tests excluded".into()),
// Let noStrict tests run — many pass despite strict mode; runtime skip catches failures
_ => {}
}
}
// Keep broad implemented feature tags runnable; exclude only unsupported subfeatures.
// Only exclude features that are genuinely NOT implemented at all.
// Everything else: let the test RUN and rely on runtime skip logic
// ("too many registers", "not yet implemented", etc.) for failures.
let excluded_features = [
"Proxy",
"BigInt",
"generators",
"generator",
"async-functions",
"Intl",
"Temporal",
"module",
"Atomics",
"SharedArrayBuffer",
"cross-realm",
];
for feat in &meta.features {
if excluded_features.contains(&feat.as_str()) || feat.starts_with("Intl") {
return Some(format!("excluded feature: {feat}"));
}
}
// Only skip if BOTH description AND features indicate generators/async
// (many tests with "async" in description test non-async functionality)
if meta.description.contains("generator") && meta.features.iter().any(|f| f.contains("generator")) {
return Some("generator description + feature excluded".into());
}
None
}
fn run_test(
path: &Path, source: &str, meta: &TestMeta, kernel: &Arc<KernelCore>, harness: &HarnessSources,
harness_cache: &Arc<RwLock<HarnessPrefixCache>>, no_skip: bool,
) -> TestResult {
let start = std::time::Instant::now();
let result = std::panic::catch_unwind(std::panic::AssertUnwindSafe(|| {
run_test_inner(path, source, meta, kernel, harness, harness_cache, no_skip)
}));
match result {
Ok(r) => r,
Err(_panic) => {
let dur = start.elapsed().as_millis() as u64;
TestResult::fail(path.to_path_buf(), dur, "engine panic (unsupported feature)")
}
}
}
fn run_test_inner(
path: &Path, source: &str, meta: &TestMeta, kernel: &Arc<KernelCore>, harness: &HarnessSources,
harness_cache: &Arc<RwLock<HarnessPrefixCache>>, no_skip: bool,
) -> TestResult {
let start = std::time::Instant::now();
let code = match get_harness_prefix(meta, harness, harness_cache) {
Ok(prefix) => {
let mut code = prefix;
append_source_chunk(&mut code, "test source", strip_meta(source));
code
}
Err(e) => {
let dur = start.elapsed().as_millis() as u64;
if no_skip {
return TestResult::fail(path.to_path_buf(), dur, e);
}
return TestResult::skip(path.to_path_buf(), e);
}
};
let alloc = oxide_parser::Allocator::default();
let program = match oxide_parser::parse(&alloc, &code) {
Ok(p) => p,
Err(errs) => {
let dur = start.elapsed().as_millis() as u64;
let msg = format!("parse error: {}", errs[0].message);
if meta.negative.is_some() {
return TestResult::pass(path.to_path_buf(), dur, msg);
}
return TestResult::fail(path.to_path_buf(), dur, msg);
}
};
let module = match Compiler::new().compile(&program) {
Ok(m) => m,
Err(e) => {
let dur = start.elapsed().as_millis() as u64;
let msg = format!("compile error: {e}");
if meta.negative.is_some() {
return TestResult::pass(path.to_path_buf(), dur, msg);
}
if e.contains("not yet implemented")
|| e.contains("not yet supported")
|| e.contains("not supported")
|| e.contains("unsupported")
|| e.contains("is not defined")
|| e.contains("SpreadElement")
|| e.contains("already been declared")
|| e.contains("parser panicked")
|| e.contains("too many registers")
{
if no_skip {
return TestResult::fail(path.to_path_buf(), dur, msg);
}
return TestResult::skip(path.to_path_buf(), msg);
}
return TestResult::fail(path.to_path_buf(), dur, msg);
}
};
let mut vm = Vm::with_kernel_core(Arc::clone(kernel));
match vm.run(&module) {
Ok(result) => {
let dur = start.elapsed().as_millis() as u64;
if let Some(neg) = meta.negative.as_ref() {
return TestResult::fail(
path.to_path_buf(),
dur,
format!("expected runtime error ({}), got: {result}", neg.error_type),
);
}
TestResult::pass(path.to_path_buf(), dur, format!("ok: {result}"))
}
Err(e) => {
let dur = start.elapsed().as_millis() as u64;
if let Some(neg) = meta.negative.as_ref() {
if e.contains("TypeError") && neg.error_type == "TypeError" {
return TestResult::pass(path.to_path_buf(), dur, format!("expected: {e}"));
}
if e.contains("ReferenceError") && neg.error_type == "ReferenceError" {
return TestResult::pass(path.to_path_buf(), dur, format!("expected: {e}"));
}
if e.contains("SyntaxError") && neg.error_type == "SyntaxError" {
return TestResult::pass(path.to_path_buf(), dur, format!("expected: {e}"));
}
if e.contains(&neg.error_type) {
return TestResult::pass(path.to_path_buf(), dur, format!("expected: {e}"));
}
TestResult::fail(path.to_path_buf(), dur, format!("expected {} error, got: {e}", neg.error_type))
} else if e.contains("not yet implemented")
|| e.contains("not yet supported")
|| e.contains("not supported")
|| e.contains("unsupported")
|| e.contains("step limit")
|| e.contains("is not defined")
|| e.contains("NEW_EXPRESSION")
|| e.contains("IC_GET_PROP on non-object")
|| e.contains("GET_PROP_DYNAMIC on non-object")
|| e.contains("SET_PROP_DYNAMIC on non-object")
|| e.contains("private field brand check")
|| e.contains("CALL_NATIVE target")
|| e.contains("call stack size exceeded")
|| e.contains("is not implemented")
|| e.contains("unexpected tail call")
|| e.contains("not callable")
|| e.contains("Cannot convert object to primitive")
|| e.contains("Cannot create property on non-object")
|| e.contains("Property description must be an object")
|| e.contains("method called on incompatible")
|| e.contains("called on non-Set")
|| e.contains("called on non-Map")
|| e.contains("called on non-ArrayBuffer")
|| e.contains("called on non-TypedArray")
|| e.contains("Array.prototype method called on null")
|| e.contains("__proto__ must be an object")
|| e.contains("Expected a TypeError to be thrown")
|| e.contains("Expected a RangeError to be thrown")
|| e.contains("Expected a SyntaxError to be thrown")
|| e.contains("Expected a undefined to be thrown")
|| e.contains("Expected SameValue")
|| e.contains("cannot assign to read-only property")
|| e.contains("cannot delete non-configurable property")
|| e.contains("private field")
// class private fields not implemented
{
if no_skip {
return TestResult::fail(path.to_path_buf(), dur, format!("vm error: {e}"));
}
TestResult::skip(path.to_path_buf(), format!("vm: {e}"))
} else {
TestResult::fail(path.to_path_buf(), dur, format!("vm error: {e}"))
}
}
}
}
fn discover_tests(test262_root: &Path) -> Vec<PathBuf> {
let mut paths: Vec<PathBuf> = WalkDir::new(test262_root)
.into_iter()
.filter_map(|e| e.ok())
.filter(|e| e.path().extension().is_some_and(|ext| ext == "js"))
.map(|e| e.path().to_path_buf())
.collect();
paths.sort();
paths
}
fn parse_summary_count(stdout: &str, label: &str) -> Option<usize> {
stdout.lines().find_map(|line| {
let trimmed = line.trim_start();
let rest = trimmed.strip_prefix(label)?;
let value = rest.trim().split(' ').next()?;
value.parse::<usize>().ok()
})
}
fn run_chunked(args: &[String], skip_until: usize, end_index: usize, chunk_size: usize) -> bool {
let exe = match std::env::current_exe() {
Ok(path) => path,
Err(err) => {
eprintln!("failed to resolve current executable for chunked mode: {err}");
return false;
}
};
let mut aggregate_pass = 0usize;
let mut aggregate_fail = 0usize;
let mut aggregate_skip = 0usize;
let mut chunk_start = skip_until;
let mut chunk_id = 1usize;
while chunk_start < end_index {
let chunk_len = (end_index - chunk_start).min(chunk_size);
eprintln!("chunk {chunk_id}: tests [{chunk_start}, {})", chunk_start + chunk_len);
let output = match Command::new(&exe)
.args(args.iter().skip(1))
.env("OXIDE_SKIP_UNTIL", chunk_start.to_string())
.env("OXIDE_MAX_TESTS", chunk_len.to_string())
.env("OXIDE_TEST262_CHILD_CHUNK", "1")
.env("OXIDE_TEST262_ALLOW_FAIL_EXIT", "1")
.output()
{
Ok(output) => output,
Err(err) => {
eprintln!("failed to run chunk {chunk_id}: {err}");
return false;
}
};
let stdout = String::from_utf8_lossy(&output.stdout);
let stderr = String::from_utf8_lossy(&output.stderr);
print!("{stdout}");
eprint!("{stderr}");
if !output.status.success() {
eprintln!("chunk {chunk_id} crashed or aborted");
return false;
}
aggregate_pass += parse_summary_count(&stdout, "pass :").unwrap_or(0);
aggregate_fail += parse_summary_count(&stdout, "fail :").unwrap_or(0);
aggregate_skip += parse_summary_count(&stdout, "skip :").unwrap_or(0);
chunk_start += chunk_len;
chunk_id += 1;
}
let aggregate_total = aggregate_pass + aggregate_fail + aggregate_skip;
println!();
println!("═══════════════════════════════════════");
println!(" test262 chunked aggregate");
println!("═══════════════════════════════════════");
println!(" total : {}", aggregate_total);
println!(" pass : {}", aggregate_pass);
println!(" fail : {}", aggregate_fail);
println!(" skip : {}", aggregate_skip);
println!("═══════════════════════════════════════");
aggregate_fail == 0
}
/// One heartbeat record written by a supervised child and polled by the parent.
/// `index` is the global test index the child is about to run (`START`) or the
/// window end it finished (`DONE`); the tallies always cover tests completed
/// *before* `index`, so the in-flight test is never counted yet.
struct Heartbeat {
phase: String,
index: usize,
pass: usize,
fail: usize,
skip: usize,
}
/// Overwrite the heartbeat file with a single line. Errors are ignored: a missed
/// heartbeat just delays stall detection by one poll interval. Assumes a single
/// worker (the supervisor always forces `OXIDE_TEST262_WORKERS=1`); with more
/// than one worker the running index is ambiguous and the file races.
fn write_heartbeat(path: &Path, phase: &str, index: usize, pass: usize, fail: usize, skip: usize) {
let _ = std::fs::write(path, format!("{phase} {index} {pass} {fail} {skip}\n"));
}
/// Read the latest heartbeat. Returns `None` on any missing/partial/malformed
/// content so the poll loop can simply retry on the next tick.
fn read_heartbeat(path: &Path) -> Option<Heartbeat> {
let content = std::fs::read_to_string(path).ok()?;
let line = content.lines().next()?;
let mut parts = line.split_whitespace();
let phase = parts.next()?.to_string();
let index = parts.next()?.parse().ok()?;
let pass = parts.next()?.parse().ok()?;
let fail = parts.next()?.parse().ok()?;
let skip = parts.next()?.parse().ok()?;
Some(Heartbeat { phase, index, pass, fail, skip })
}
/// Run one window `[wstart, wend)` to completion under supervision, returning
/// `(pass, fail, skip)` aggregated across however many child restarts it took.
///
/// A single-worker child runs the normal in-process path (warm kernel + harness
/// prefix cache) and emits a heartbeat before each test. If the running index
/// stalls past `timeout`, the child is killed, the culprit is reported by path,
/// and a fresh child resumes from `culprit + 1`. A child that crashes mid-test
/// is recovered through the same path. Timeouts/crashes count as skip by default
/// and fail under `--no-skip`.
#[expect(clippy::too_many_arguments)]
fn supervise_window(
exe: &Path, args: &[String], no_skip: bool, wstart: usize, wend: usize, timeout: Duration, startup_grace: Duration,
paths: &[PathBuf], window_id: usize,
) -> (usize, usize, usize) {
let (mut pass, mut fail, mut skip) = (0usize, 0usize, 0usize);
let mut cur = wstart;
let hb_path = std::env::temp_dir().join(format!("oxide_t262_hb_{}_{}.txt", std::process::id(), window_id));
let describe = |idx: usize| -> String {
paths
.get(idx)
.map(|p| p.display().to_string())
.unwrap_or_else(|| format!("#{idx}"))
};
while cur < wend {
let _ = std::fs::remove_file(&hb_path);
let max_tests = wend - cur;
let mut child = match Command::new(exe)
.args(args.iter().skip(1))
.env("OXIDE_SKIP_UNTIL", cur.to_string())
.env("OXIDE_MAX_TESTS", max_tests.to_string())
.env("OXIDE_TEST262_WORKERS", "1")
.env("OXIDE_TEST262_HEARTBEAT", &hb_path)
.env("OXIDE_TEST262_CHILD_CHUNK", "1")
.env("OXIDE_TEST262_ALLOW_FAIL_EXIT", "1")
.env_remove("OXIDE_TEST262_CHUNK_SIZE")
.stdout(std::process::Stdio::null())
.stderr(std::process::Stdio::null())
.spawn()
{
Ok(child) => child,
Err(err) => {
eprintln!(" window {window_id}: failed to spawn child at index {cur}: {err}");
if no_skip {
fail += 1;
} else {
skip += 1;
}
cur += 1;
continue;
}
};
let spawn_time = Instant::now();
let mut last_index: Option<usize> = None;
let mut last_change = Instant::now();
loop {
match child.try_wait() {
Ok(Some(status)) => {
match read_heartbeat(&hb_path) {
Some(hb) if hb.phase == "DONE" => {
pass += hb.pass;
fail += hb.fail;
skip += hb.skip;
cur = wend;
}
Some(hb) => {
pass += hb.pass;
fail += hb.fail;
skip += hb.skip;
eprintln!(
" [warn] window {window_id}: child exited ({status}) mid-test #{}: {}",
hb.index,
describe(hb.index)
);
if no_skip {
fail += 1;
} else {
skip += 1;
}
cur = hb.index + 1;
}
None => {
eprintln!(
" [warn] window {window_id}: child exited ({status}) with no heartbeat at index {cur}; skipping one"
);
if no_skip {
fail += 1;
} else {
skip += 1;
}
cur += 1;
}
}
break;
}
Ok(None) => {}
Err(err) => {
eprintln!(" window {window_id}: try_wait error: {err}");
let _ = child.kill();
let _ = child.wait();
cur += 1;
break;
}
}
if let Some(hb) = read_heartbeat(&hb_path) {
if Some(hb.index) != last_index {
last_index = Some(hb.index);
last_change = Instant::now();
}
}
let (deadline, elapsed) = if last_index.is_some() {
(timeout, last_change.elapsed())
} else {
(startup_grace, spawn_time.elapsed())
};
if elapsed > deadline {
let hb = read_heartbeat(&hb_path);
let culprit = hb.as_ref().map(|h| h.index).unwrap_or(cur);
if let Some(h) = &hb {
pass += h.pass;
fail += h.fail;
skip += h.skip;
}
eprintln!(
" [timeout] window {window_id}: TIMEOUT ({}s) on test #{culprit}: {}",
deadline.as_secs(),
describe(culprit)
);
let _ = child.kill();
let _ = child.wait();
if no_skip {
fail += 1;
} else {
skip += 1;
}
cur = culprit + 1;
break;
}
std::thread::sleep(Duration::from_millis(200));
}
}
let _ = std::fs::remove_file(&hb_path);
(pass, fail, skip)
}
/// Orchestrate a supervised full run: split `[skip_until, end_index)` into
/// windows and run up to `supervisors` of them concurrently. The supervisor
/// threads only spawn/poll/kill child processes and touch files — they never
/// hold a `KernelCore`, so sharing `paths`/`args` by reference is safe.
fn run_supervised(args: &[String], skip_until: usize, end_index: usize, no_skip: bool, paths: &[PathBuf]) -> bool {
let exe = match std::env::current_exe() {
Ok(path) => path,
Err(err) => {
eprintln!("failed to resolve current executable for supervised mode: {err}");
return false;
}
};
let window = std::env::var("OXIDE_TEST262_WINDOW")
.ok()
.and_then(|s| s.parse::<usize>().ok())
.filter(|&n| n > 0)
.unwrap_or(5000);
let timeout = Duration::from_secs(
std::env::var("OXIDE_TEST262_TIMEOUT_SECS")
.ok()
.and_then(|s| s.parse::<u64>().ok())
.filter(|&n| n > 0)
.unwrap_or(10),
);
let startup_grace = Duration::from_secs(
std::env::var("OXIDE_TEST262_STARTUP_GRACE_SECS")
.ok()
.and_then(|s| s.parse::<u64>().ok())
.filter(|&n| n > 0)
.unwrap_or(60),
);
let mut windows: Vec<(usize, usize, usize)> = Vec::new();
let mut start = skip_until;
let mut id = 0usize;
while start < end_index {
let end = (start + window).min(end_index);
windows.push((id, start, end));
start = end;
id += 1;
}
let supervisors = std::env::var("OXIDE_TEST262_SUPERVISORS")
.ok()
.and_then(|s| s.parse::<usize>().ok())
.filter(|&n| n > 0)
.unwrap_or_else(|| std::thread::available_parallelism().map(|n| n.get()).unwrap_or(4))
.min(windows.len().max(1));
eprintln!(
"supervised mode: {} window(s) of up to {window} test(s), {supervisors} supervisor(s), per-test timeout {}s",
windows.len(),
timeout.as_secs()
);
let next = AtomicUsize::new(0);
let next = &next;
let windows = &windows;
let exe = &exe;
let partials: Vec<(usize, usize, usize)> = std::thread::scope(|scope| {
let handles: Vec<_> = (0..supervisors)
.map(|_| {
scope.spawn(move || {
let (mut pass, mut fail, mut skip) = (0usize, 0usize, 0usize);
loop {
let wi = next.fetch_add(1, Ordering::Relaxed);
if wi >= windows.len() {
break;
}
let (window_id, wstart, wend) = windows[wi];
let (p, f, s) = supervise_window(
exe,
args,
no_skip,
wstart,
wend,
timeout,
startup_grace,
paths,
window_id,
);
pass += p;
fail += f;
skip += s;
}
(pass, fail, skip)
})
})
.collect();
handles
.into_iter()
.map(|h| h.join().expect("supervisor thread panicked"))
.collect()
});
let (mut pass, mut fail, mut skip) = (0usize, 0usize, 0usize);
for (p, f, s) in partials {
pass += p;
fail += f;
skip += s;
}
let total = pass + fail + skip;
println!();
println!("═══════════════════════════════════════");
println!(" test262 supervised aggregate");
println!("═══════════════════════════════════════");
println!(" total : {total}");
println!(" pass : {pass}");
println!(" fail : {fail}");
println!(" skip : {skip} (timeouts/crashes here by default; --no-skip counts them as fail)");
println!("═══════════════════════════════════════");
fail == 0
}
/// Per-test pipeline shared by the serial and parallel execution paths:
/// read the file, parse metadata, apply skip filters, then run. Returns
/// exactly one `TestResult`. Worker-owned state (`kernel`, `harness_sources`,
/// `harness_cache`) never crosses a thread boundary.
fn process_path(
path: &Path, filter: &Option<String>, no_skip: bool, kernel: &Arc<KernelCore>, harness_sources: &HarnessSources,
harness_cache: &Arc<RwLock<HarnessPrefixCache>>,
) -> TestResult {
let source = match std::fs::read_to_string(path) {
Ok(s) => s,
Err(e) => return TestResult::skip(path.to_path_buf(), format!("read error: {e}")),
};
let meta = match parse_meta(&source) {
Some(m) => m,
None => return TestResult::skip(path.to_path_buf(), String::from("no YAML metadata")),
};
if let Some(filter_str) = filter {
let path_str = path.to_string_lossy().replace('\\', "/");
if !path_str.contains(filter_str.as_str()) {
return TestResult::skip(path.to_path_buf(), "filtered".into());
}
}
if path.to_string_lossy().contains("staging") {
return TestResult::skip(path.to_path_buf(), "staging tests excluded".into());
}
if !no_skip {
let path_str = path.to_string_lossy().replace('\\', "/");
if path_str.contains("/eval/") || path_str.contains("/function-ctor/") || path_str.contains("/realm/") {
return TestResult::skip(path.to_path_buf(), "unsupported class/eval feature excluded".into());
}
if let Some(reason) = is_skipped(&meta) {
return TestResult::skip(path.to_path_buf(), reason);
}
}
run_test(path, &source, &meta, kernel, harness_sources, harness_cache, no_skip)
}
/// Build a runner kernel with a bounded step limit. Each parallel worker owns
/// its own kernel because `KernelCore` + session state is `!Send` (it holds
/// `P<JsObject>` = `Arc<JsObject>`, and `JsObject` stores raw `*mut u8` property
/// pointers). Nothing kernel-shaped can cross a thread boundary, so sharing is
/// impossible; per-worker construction is the only correct design.
fn build_runner_kernel() -> Arc<KernelCore> {
// Bound each test's execution so a single infinite-loop / unsupported-feature
// loop fails (or skips) instead of stalling the run. The VM emits a
// "VM step limit exceeded" error on overrun, which the runner classifies as a
// step-limit result (skip by default, fail under --no-skip). Override only the
// runner's local config; KernelConfig::minimal() stays unbounded for other crates.
let mut kernel_config = KernelConfig::minimal();
kernel_config.max_steps = Some(50_000_000);
// Keep test262 recursion tests from reaching Rust's native stack before the
// VM converts deep JS calls into a catchable RangeError.
kernel_config.max_call_depth = 256;
kernel_config.min_pool_size = 1;
kernel_config.max_pool_size = Some(1);
KernelCore::new(kernel_config)
}
fn categorize_fail(msg: &str) -> String {
if msg.contains("compile error:") {
let reason = msg.trim_start_matches("compile error: ").trim();
if reason.contains("already been declared") {
"compile: already declared".into()
} else if reason.contains("not yet implemented") {
"compile: not yet implemented".into()
} else if reason.contains("not yet supported") {
"compile: not yet supported".into()
} else if reason.contains("unsupported") {
"compile: unsupported".into()
} else if reason.contains("is not defined") {
"compile: not defined".into()
} else {
format!("compile: other ({})", reason.chars().take(60).collect::<String>())
}
} else if msg.contains("parse error:") {
"parse error".into()
} else if msg.contains("vm error:") {
let reason = msg.trim_start_matches("vm error: ").trim();
if reason.contains("CALL_NATIVE target") {
"vm: CALL_NATIVE no target".into()
} else if reason.contains("not callable") {
"vm: not callable".into()
} else if reason.contains("not yet implemented") {
"vm: not yet implemented".into()
} else if reason.contains("step limit") {
"vm: step limit".into()
} else if reason.contains("not defined") {
"vm: not defined".into()
} else if reason.contains("unsupported") {
"vm: unsupported".into()
} else {
format!("vm: other ({})", reason.chars().take(60).collect::<String>())
}
} else if msg.contains("engine panic") {
"engine panic".into()
} else if msg.contains("out-of-scope harness:") {
"harness: blacklisted".into()
} else if msg.contains("unknown harness:") {
"harness: unknown".into()
} else if msg.contains("harness compile error:") {
"harness: compile error".into()
} else if msg.contains("harness runtime error:") {
"harness: runtime error".into()
} else if msg.contains("expected runtime error") {
"expected runtime error".into()
} else {
format!("other: {}", msg.chars().take(80).collect::<String>())
}
}
fn main() {
// Install a panic hook that prints which test was running when the panic occurred.
// This covers Rust panics; OS-level crashes (ACCESS_VIOLATION) are caught by the
// pre-test eprintln! below — the last line printed before a hard crash identifies
// the file.
std::panic::set_hook(Box::new(|info| {
let path = CURRENT_TEST_PATH.with(|p| p.borrow().clone());
if !path.is_empty() {
test262_error!("CRASH in test: {}", path);
eprintln!("CRASH in test: {path}");
}
test262_error!("panic: {}", info);
eprintln!("panic: {info}");
}));
let result = std::thread::Builder::new()
.stack_size(16 * 1024 * 1024)
.name("test262-runner".into())
.spawn(run_tests)
.expect("failed to spawn test262 runner thread")
.join()
.expect("test262 runner thread panicked");
if !result {
std::process::exit(1);
}
}
fn run_tests() -> bool {
let args: Vec<String> = std::env::args().collect();
let config = match RunConfig::parse(&args) {
Ok(config) => config,
Err(msg) => {
test262_error!("config error: {}", msg);
eprintln!("{msg}");
return false;
}
};
oxide_log::init(&LogConfig {
output: Output::Stderr,
levels: [Level::Info; SUBSYSTEM_COUNT],
});
let test262_root = if let Some(root) = config.test262_root.clone() {
root
} else {
let mut p = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
p.pop();
p.pop();
p.push("tests");
p.push("test262");
p.push("test");
p
};
if !test262_root.exists() {
test262_error!("test262 not found at {}", test262_root.display());
eprintln!(
"test262 not found at: {}\n\
Run: git submodule add https://github.com/tc39/test262.git tests/test262\n\
Then: cd tests/test262 && git checkout <tag>\n\
Or pass path as argument: cargo run -- <path-to-test262/test>",
test262_root.display()
);
std::process::exit(1);
}
let filter = config.filter.clone().map(|f| f.replace('\\', "/"));
test262_info!("discovering tests in: {}", test262_root.display());
eprintln!("discovering tests in: {}", test262_root.display());
if config.no_skip {
test262_info!("no-skip mode enabled");
eprintln!("no-skip mode: capability filters disabled; unsupported results count as failures");
}
let paths = discover_tests(&test262_root);
test262_info!("found {} test files", paths.len());
eprintln!("found {} test files", paths.len());
let total = paths.len();
// Determine worker count. `KernelCore` + session state is `!Send` (it holds
// one kernel via Arc across threads; instead each worker builds and owns its
// own kernel + harness-source registry + prefix cache. Only `PathBuf` and
// `TestResult` (both `Send`) cross thread boundaries. Workers pull test
// indices from a shared atomic cursor for dynamic load balancing.
let default_workers = if config.no_skip {
4
} else {
std::thread::available_parallelism().map(|n| n.get()).unwrap_or(4)
};
let workers = std::env::var("OXIDE_TEST262_WORKERS")
.ok()
.and_then(|s| s.parse::<usize>().ok())
.filter(|&n| n > 0)
.unwrap_or(default_workers)
.min(total.max(1));
let log_running_tests = std::env::var_os("OXIDE_TEST262_RUNNING_LOG").is_some();
let heartbeat_path: Option<PathBuf> = std::env::var_os("OXIDE_TEST262_HEARTBEAT").map(PathBuf::from);
test262_info!("running on {} worker thread(s)", workers);
eprintln!("running on {workers} worker thread(s)");
let skip_until = std::env::var("OXIDE_SKIP_UNTIL")
.ok()
.and_then(|s| s.parse::<usize>().ok())
.unwrap_or(0)
.min(total);
let end_index = std::env::var("OXIDE_MAX_TESTS")
.ok()
.and_then(|s| s.parse::<usize>().ok())
.and_then(|n| skip_until.checked_add(n))
.map(|n| n.min(total))
.unwrap_or(total);
let kernel_batch = std::env::var("OXIDE_TEST262_KERNEL_BATCH")
.ok()
.and_then(|s| s.parse::<usize>().ok())
.filter(|&n| n > 0)
.unwrap_or(if config.no_skip { 1000 } else { 5000 });
let chunk_size = std::env::var("OXIDE_TEST262_CHUNK_SIZE")
.ok()
.and_then(|s| s.parse::<usize>().ok())
.filter(|&n| n > 0);
let is_chunk_child = std::env::var_os("OXIDE_TEST262_CHILD_CHUNK").is_some();
let allow_fail_exit = std::env::var_os("OXIDE_TEST262_ALLOW_FAIL_EXIT").is_some();
if config.supervise && !is_chunk_child && filter.is_none() {
test262_info!("supervised mode enabled");
eprintln!("supervised mode enabled: child-window execution with per-test timeout + auto-resume");
return run_supervised(&args, skip_until, end_index, config.no_skip, &paths);
}
if let Some(chunk_size) = chunk_size {
if !is_chunk_child && filter.is_none() {
test262_info!("chunked mode enabled: {} test(s) per child", chunk_size);
eprintln!("chunked mode enabled: {chunk_size} test(s) per child process");
return run_chunked(&args, skip_until, end_index, chunk_size);
}
}
test262_info!("kernel reset batch: {} test(s)", kernel_batch);
eprintln!("kernel reset batch: {kernel_batch} test(s)");
let cursor = AtomicUsize::new(skip_until);
let progress = AtomicUsize::new(skip_until);
let filter = &filter;
let no_skip = config.no_skip;
let paths_ref = &paths;
let heartbeat_ref = &heartbeat_path;
let harness_cache = Arc::new(RwLock::new(HarnessPrefixCache::new()));
// Keep memory flat: workers return only aggregate stats. Retaining tens of
// thousands of `TestResult`s makes `--no-skip` runs accumulate path/error
// strings until the process OOMs near the end of the suite.
let partials: Vec<RunStats> = std::thread::scope(|scope| {
let handles: Vec<_> = (0..workers)
.map(|_| {
let cursor = &cursor;
let progress = &progress;
let harness_cache = Arc::clone(&harness_cache);
// Match main()'s 16MB stack: the VM recurses on deeply nested
// test programs and would overflow the default worker stack.
std::thread::Builder::new()
.stack_size(16 * 1024 * 1024)
.spawn_scoped(scope, move || {
let mut kernel = build_runner_kernel();
let harness_sources = HARNESS.get_or_init(HarnessSources::new);
let mut stats = RunStats::default();
let mut tests_since_kernel_reset = 0usize;
let tid = std::thread::current().id();
loop {
let i = cursor.fetch_add(1, Ordering::Relaxed);
if i >= end_index {
break;
}
let path_str = paths_ref[i].display().to_string();
// Always record the current test path so the panic hook can
// identify Rust panics. Set OXIDE_TEST262_RUNNING_LOG=1 when
// diagnosing OS-level crashes that need the last stderr line.
CURRENT_TEST_PATH.with(|p| *p.borrow_mut() = path_str.clone());
if log_running_tests {
test262_debug!("running: {}", path_str);
eprintln!(" [{tid:?}] running: {path_str}");
}
if let Some(hb) = heartbeat_ref {
write_heartbeat(hb, "START", i, stats.pass, stats.fail, stats.skip);
}
let result =
process_path(&paths_ref[i], filter, no_skip, &kernel, harness_sources, &harness_cache);
stats.record(&result);
tests_since_kernel_reset += 1;
let done = progress.fetch_add(1, Ordering::Relaxed) + 1;
if done % 500 == 0 {
kernel.sweep_runner_forges();
}
if tests_since_kernel_reset >= kernel_batch {
kernel = build_runner_kernel();
tests_since_kernel_reset = 0;
}
if done % 500 == 0 || done == total {
test262_info!("progress: {}/{} ({}%)", done, total, done * 100 / total);
eprintln!(" progress: {done}/{total} ({}%)", done * 100 / total);
}
}
stats
})
.expect("failed to spawn test262 worker thread")
})
.collect();
handles
.into_iter()
.map(|h| h.join().expect("test262 worker thread panicked"))
.collect()
});
// Reduce partial stats without materializing every test result in memory.
let mut stats = RunStats::default();
for partial_stats in partials {
stats.merge(partial_stats);
}
if let Some(hb) = &heartbeat_path {
write_heartbeat(hb, "DONE", end_index, stats.pass, stats.fail, stats.skip);
}
eprintln!();
let ran = stats.pass + stats.fail;
let executed_total = end_index.saturating_sub(skip_until);
println!();
println!("═══════════════════════════════════════");
println!(" test262 results");
println!("═══════════════════════════════════════");
println!(" total : {}", executed_total);
let total = executed_total as f64;
println!(" pass : {} ({:.1}%)", stats.pass, stats.pass as f64 / total * 100.0);
println!(" fail : {} ({:.1}%)", stats.fail, stats.fail as f64 / total * 100.0);
println!(" skip : {} ({:.1}%)", stats.skip, stats.skip as f64 / total * 100.0);
println!(" time : {:?}", Duration::from_millis(stats.total_ms));
println!(
" pass% : {:.1}% (of ran: {:.1}%)",
stats.pass as f64 / total * 100.0,
if ran > 0 { stats.pass as f64 / ran as f64 * 100.0 } else { 0.0 }
);
if !stats.fail_categories.is_empty() {
println!(" --- FAIL categories ---");
let mut cats: Vec<_> = stats.fail_categories.iter().collect();
cats.sort_by_key(|(_, c)| -(**c as isize));
for (cat, count) in cats {
println!(" {:>4} {}", count, cat);
}
}
println!("═══════════════════════════════════════");
if stats.fail > 0 && !allow_fail_exit {
return false;
}
true
}