mirror of
https://github.com/pjh456/OxideJS.git
synced 2026-10-25 19:21:11 +08:00
256 lines
8.2 KiB
Rust
256 lines
8.2 KiB
Rust
use std::sync::Arc;
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use oxide_compiler::compiler::Compiler;
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use oxide_types::value::JsValue;
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use oxide_vm::vm::Vm;
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fn eval(vm: &mut Vm, source: &str) -> Result<JsValue, String> {
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let allocator = oxide_parser::Allocator::default();
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let program = oxide_parser::parse(&allocator, source).map_err(|e| format!("Parse error: {:?}", e))?;
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let module = Compiler::new().compile(&program).map_err(|e| format!("Compile error: {}", e))?;
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vm.run(&Arc::new(module))
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}
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fn truthy(vm: &mut Vm, source: &str) {
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let result = eval(vm, source).unwrap();
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assert!(result.as_bool(), "expected truthy for: {}", source);
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}
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/// 抛指定错误类型判定器：返回捕获实例是否为该类型。
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fn throws(src: &str, kind: &str) -> String {
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format!(
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"(function () {{ var threw = false; \
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try {{ {src}; }} catch (e) {{ threw = e instanceof {kind}; }} \
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return threw; }})()"
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)
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}
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/// wait：SAB 等值 → "timed-out"（单线程退化，无真阻塞）。
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#[test]
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fn eval_wait_timed_out() {
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let mut vm = Vm::new();
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truthy(
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&mut vm,
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"(function () { \
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var ta = new Int32Array(new SharedArrayBuffer(8)); \
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ta[0] = 42; \
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return Atomics.wait(ta, 0, 42, 10) === 'timed-out' \
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&& Atomics.wait(ta, 0, 42) === 'timed-out'; })()",
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);
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}
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/// wait：不等值 → "not-equal"。
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#[test]
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fn eval_wait_not_equal() {
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let mut vm = Vm::new();
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truthy(
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&mut vm,
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"(function () { \
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var ta = new Int32Array(new SharedArrayBuffer(8)); \
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ta[0] = 7; \
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return Atomics.wait(ta, 0, 8, 0) === 'not-equal' \
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&& Atomics.wait(ta, 0, 7.0, 5) === 'timed-out'; })()",
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);
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}
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/// wait：非 SAB 视图 → TypeError（且先于 index 强转：毒 index 不评估）。
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#[test]
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fn eval_wait_non_sab_type_error() {
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let mut vm = Vm::new();
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truthy(
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&mut vm,
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&format!(
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"(function () {{ \
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var ta = new Int32Array(new ArrayBuffer(8)); \
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var calls = 0; var poison = {{ valueOf: function () {{ calls = 1; throw new TypeError('p'); }} }}; \
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return {} && {} && calls === 0; }})()",
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throws("Atomics.wait(ta, 0, 0, 1)", "TypeError"),
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throws("Atomics.wait(ta, poison, 0, 1)", "TypeError"),
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),
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);
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}
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/// wait：负 index → RangeError（非 "not-equal"）。
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#[test]
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fn eval_wait_negative_index_range_error() {
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let mut vm = Vm::new();
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truthy(
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&mut vm,
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&format!(
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"(function () {{ \
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var ta = new Int32Array(new SharedArrayBuffer(8)); \
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return {}; }})()",
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throws("Atomics.wait(ta, -1, 0, 1)", "RangeError"),
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),
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);
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}
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/// wait：index == length（元素字节区间超缓冲）→ RangeError。
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#[test]
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fn eval_wait_out_of_range_range_error() {
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let mut vm = Vm::new();
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truthy(
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&mut vm,
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&format!(
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"(function () {{ \
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var ta = new Int32Array(new SharedArrayBuffer(16)); \
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return {} && {}; }})()",
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throws("Atomics.wait(ta, 4, 0, 1)", "RangeError"),
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throws("Atomics.wait(ta, 5, 0, 1)", "RangeError"),
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),
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);
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}
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/// wait：BigInt64 视图合法（0n 等值 → "timed-out"）；BigUint64 视图 → TypeError。
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#[test]
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fn eval_wait_bigint64_arm() {
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let mut vm = Vm::new();
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truthy(
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&mut vm,
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&format!(
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"(function () {{ \
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var ta = new BigInt64Array(new SharedArrayBuffer(8)); \
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ta[0] = 0n; \
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return Atomics.wait(ta, 0, 0n, 1) === 'timed-out' && {}; }})()",
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throws("Atomics.wait(new BigUint64Array(new SharedArrayBuffer(8)), 0, 0n, 1)", "TypeError"),
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),
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);
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}
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/// wait：浮点视图 → TypeError。
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#[test]
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fn eval_wait_float_ta_type_error() {
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let mut vm = Vm::new();
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truthy(
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&mut vm,
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&format!(
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"(function () {{ \
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return {} && {}; }})()",
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throws("Atomics.wait(new Float32Array(new SharedArrayBuffer(4)), 0, 0, 1)", "TypeError"),
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throws("Atomics.wait(new Float64Array(new SharedArrayBuffer(8)), 0, 0, 1)", "TypeError"),
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),
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);
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}
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/// wait：timeout 强转毒传播 + 归一（false/负值 → 0，等值仍 "timed-out"；
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/// 对象 valueOf 抛错原样上抛）。
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#[test]
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fn eval_wait_timeout_coercion() {
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let mut vm = Vm::new();
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truthy(
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&mut vm,
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&format!(
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"(function () {{ \
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var ta = new Int32Array(new SharedArrayBuffer(8)); \
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ta[0] = 1; \
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return Atomics.wait(ta, 0, 1, false) === 'timed-out' \
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&& Atomics.wait(ta, 0, 1, -3) === 'timed-out' \
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&& Atomics.wait(ta, 0, 1, NaN) === 'timed-out' \
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&& {}; }})()",
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throws(
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"Atomics.wait(ta, 0, 1, {valueOf: function () { throw new TypeError('p'); }})",
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"TypeError",
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),
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),
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);
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}
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/// wait：值强转毒传播（BigInt64 视图配数值/非整串语义；Int32 视图配 BigInt）。
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#[test]
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fn eval_wait_value_coercion() {
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let mut vm = Vm::new();
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truthy(
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&mut vm,
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&format!(
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"(function () {{ \
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var ta = new BigInt64Array(new SharedArrayBuffer(8)); \
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ta[0] = 5n; \
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var ab = new Int32Array(new SharedArrayBuffer(4)); \
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ab[0] = 3; \
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return Atomics.wait(ta, 0, '5', 1) === 'timed-out' \
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&& Atomics.wait(ta, 0, true, 1) === 'not-equal' \
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&& {} && {} && {}; }})()",
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throws("Atomics.wait(ta, 0, 0.5, 1)", "TypeError"),
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throws("Atomics.wait(ta, 0, null, 1)", "TypeError"),
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throws("Atomics.wait(ab, 0, 1n, 1)", "TypeError"),
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),
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);
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}
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/// notify：SAB 无 waiter 面 → 恒 0。
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#[test]
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fn eval_notify_zero_no_waiters() {
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let mut vm = Vm::new();
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truthy(
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&mut vm,
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"(function () { \
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var ta = new Int32Array(new SharedArrayBuffer(8)); \
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return Atomics.notify(ta, 0) === 0 && Atomics.notify(ta, 0, 3) === 0; })()",
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);
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}
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/// notify：非 SAB 视图 → 返 0 不抛（immutable 同形）。
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#[test]
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fn eval_notify_non_sab_returns_0() {
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let mut vm = Vm::new();
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truthy(
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&mut vm,
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"(function () { \
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var ta = new Int32Array(new ArrayBuffer(8)); \
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return Atomics.notify(ta, 0) === 0 && Atomics.notify(ta, 0, 100) === 0; })()",
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);
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}
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/// notify：负/越界 index → RangeError（先于非 SAB 早返 0）。
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#[test]
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fn eval_notify_negative_index_range_error() {
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let mut vm = Vm::new();
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truthy(
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&mut vm,
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&format!(
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"(function () {{ \
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var sab = new Int32Array(new SharedArrayBuffer(8)); \
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var ab = new Int32Array(new ArrayBuffer(8)); \
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return {} && {} && {}; }})()",
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throws("Atomics.notify(sab, -1)", "RangeError"),
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throws("Atomics.notify(sab, 9, 1)", "RangeError"),
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throws("Atomics.notify(ab, 9, 1)", "RangeError"),
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),
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);
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}
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/// notify：count 各形（−3/+Inf/undefined/字符串/对象 → 0）+ 毒 count 先于
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/// 非 SAB 早返 0 抛错。
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#[test]
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fn eval_notify_count_forms() {
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let mut vm = Vm::new();
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truthy(
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&mut vm,
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&format!(
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"(function () {{ \
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var sab = new Int32Array(new SharedArrayBuffer(8)); \
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var ab = new Int32Array(new ArrayBuffer(8)); \
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var poison = {{ valueOf: function () {{ throw new TypeError('p'); }} }}; \
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return Atomics.notify(sab, 0, -3) === 0 \
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&& Atomics.notify(sab, 0, Infinity) === 0 \
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&& Atomics.notify(sab, 0) === 0 \
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&& Atomics.notify(sab, 0, '33') === 0 \
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&& Atomics.notify(sab, 0, {{ valueOf: function () {{ return 8; }} }}) === 0 \
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&& Atomics.notify(ab, 0, -1) === 0 \
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&& {}; }})()",
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throws("Atomics.notify(ab, 0, poison)", "TypeError"),
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),
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);
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}
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/// 方法元数据钉：name/length（语料 descriptor 口径）。
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#[test]
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fn atomics_wait_notify_name_and_length() {
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let mut vm = Vm::new();
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truthy(
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&mut vm,
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"Atomics.wait.name === 'wait' && Atomics.wait.length === 4 \
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&& Atomics.notify.name === 'notify' && Atomics.notify.length === 3",
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);
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}
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