test: 补 arguments 自身 Symbol.iterator 单测钉并推进版本

Cargo.lock

@@ -1160,7 +1160,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_builtins"
-version = "0.19.29"
+version = "0.19.30"
 dependencies = [
  "chrono",
  "fast-float",
@@ -1185,7 +1185,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_bytecode"
-version = "0.19.29"
+version = "0.19.30"
 dependencies = [
  "num-bigint",
  "oxide_log",
@@ -1193,7 +1193,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_cfg"
-version = "0.19.29"
+version = "0.19.30"
 dependencies = [
  "oxide_bytecode",
  "oxide_emit",
@@ -1204,7 +1204,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_cli"
-version = "0.19.29"
+version = "0.19.30"
 dependencies = [
  "ansi_term",
  "bumpalo",
@@ -1228,7 +1228,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_code_cache"
-version = "0.19.29"
+version = "0.19.30"
 dependencies = [
  "lru",
  "oxide_bytecode",
@@ -1237,7 +1237,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_compiler"
-version = "0.19.29"
+version = "0.19.30"
 dependencies = [
  "oxide_bytecode",
  "oxide_cfg",
@@ -1258,7 +1258,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_dce"
-version = "0.19.29"
+version = "0.19.30"
 dependencies = [
  "oxide_bytecode",
  "oxide_cfg",
@@ -1272,7 +1272,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_emit"
-version = "0.19.29"
+version = "0.19.30"
 dependencies = [
  "num-bigint",
  "oxc_allocator",
@@ -1288,7 +1288,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_engine"
-version = "0.19.29"
+version = "0.19.30"
 dependencies = [
  "oxide_bytecode",
  "oxide_compiler",
@@ -1300,7 +1300,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_fold"
-version = "0.19.29"
+version = "0.19.30"
 dependencies = [
  "num-bigint",
  "oxide_bytecode",
@@ -1312,7 +1312,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_ir"
-version = "0.19.29"
+version = "0.19.30"
 dependencies = [
  "oxide_bytecode",
  "oxide_log",
@@ -1321,7 +1321,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_kernel"
-version = "0.19.29"
+version = "0.19.30"
 dependencies = [
  "bumpalo",
  "dashmap",
@@ -1335,7 +1335,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_liveness"
-version = "0.19.29"
+version = "0.19.30"
 dependencies = [
  "oxide_bytecode",
  "oxide_cfg",
@@ -1347,7 +1347,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_log"
-version = "0.19.29"
+version = "0.19.30"
 dependencies = [
  "tracing",
  "tracing-appender",
@@ -1356,11 +1356,11 @@ dependencies = [
 
 [[package]]
 name = "oxide_net"
-version = "0.19.29"
+version = "0.19.30"
 
 [[package]]
 name = "oxide_parser"
-version = "0.19.29"
+version = "0.19.30"
 dependencies = [
  "oxc_allocator",
  "oxc_ast",
@@ -1375,7 +1375,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_regalloc"
-version = "0.19.29"
+version = "0.19.30"
 dependencies = [
  "oxide_bytecode",
  "oxide_cfg",
@@ -1391,7 +1391,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_runtime_api"
-version = "0.19.29"
+version = "0.19.30"
 dependencies = [
  "num-bigint",
  "num-traits",
@@ -1404,7 +1404,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_test262"
-version = "0.19.29"
+version = "0.19.30"
 dependencies = [
  "oxide_bytecode",
  "oxide_compiler",
@@ -1424,7 +1424,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_types"
-version = "0.19.29"
+version = "0.19.30"
 dependencies = [
  "bumpalo",
  "dashmap",
@@ -1437,7 +1437,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_vm"
-version = "0.19.29"
+version = "0.19.30"
 dependencies = [
  "bumpalo",
  "chrono",

Cargo.toml

@@ -25,7 +25,7 @@ members = [
 ]
 
 [workspace.package]
-version = "0.19.29"
+version = "0.19.30"
 edition = "2021"
 license = "MIT"
 rust-version = "1.80"

crates/oxide_vm/tests/arguments_tests.rs

@@ -229,3 +229,42 @@ fn define_property_nested_call_updates_stored_value() {
     .unwrap();
     assert_eq!(result.as_int(), 5);
 }
+
+#[test]
+fn arguments_iterator_own_property_shares_array_values() {
+    // arguments 对象自身 Symbol.iterator 指向 Array.prototype[Symbol.iterator]
+    // 同一函数对象（可写、不可枚举、可配置），原型保持 Object.prototype。
+    let mut vm = Vm::new();
+    let result = eval(
+        &mut vm,
+        "function f(){var d=Object.getOwnPropertyDescriptor(arguments,Symbol.iterator);
+         return d.value === [][Symbol.iterator] && d.writable === true
+            && d.enumerable === false && d.configurable === true
+            && Object.getPrototypeOf(arguments) === Object.prototype} f(1)",
+    )
+    .unwrap();
+    assert_eq!(result, JsValue::bool(true));
+}
+
+#[test]
+fn arguments_spread_iterates_values_in_order() {
+    // 展开 arguments 对象按序产出实参值。
+    let mut vm = Vm::new();
+    let result = eval(&mut vm, "function f(){return [...arguments].join(',')} f(1,2,3)").unwrap();
+    assert_eq!(vm.lookup_str(result).as_deref(), Some("1,2,3"));
+}
+
+#[test]
+fn arguments_iterator_reads_length_live() {
+    // 迭代器每次步进活读 length：创建迭代器后抬高 length 并写入新索引，
+    // 后续步进产出新值。
+    let mut vm = Vm::new();
+    let result = eval(
+        &mut vm,
+        "function f(){var it=arguments[Symbol.iterator](); it.next(); it.next();
+         arguments.length=4; arguments[3]=9; it.next(); return it.next().value} f(1,2,3)",
+    )
+    .unwrap();
+    assert_eq!(result.as_int(), 9);
+}
+