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fix: 补齐代理读取组与完整性级别语义

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彭俊皓
2026-10-18 06:10:48 +00:00
parent 7f15f84139
commit 1cb943beee
16 changed files with 684 additions and 224 deletions
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crates/oxide_vm/tests/new_target_tests.rs
+8 -7
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@@ -159,14 +159,15 @@ fn throwing_proto_ctor(source_tail: &str) -> String {
#[test]
fn gpfc_new_expression_bytecode_ctor_propagates_getter_throw() {
// 字节码构造器 prototype 为访问器且 getter 抛错：new 表达式须原值上抛（getter 触发）。
// newTarget 为代理且 get trap 读 prototype 抛错：new 表达式须原值上抛
// （getter 触发；普通函数 prototype 规范不可配置，抛错形态经代理表达）。
let mut vm = Vm::new();
let result = eval(
&mut vm,
"var F = function(){}; var calls = 0; \
Object.defineProperty(F, 'prototype', { configurable: true, \
get: function() { calls++; throw new Error('boom'); } }); \
try { new F(); } catch (e) { e.message + ':' + calls }",
var p = new Proxy(F, { get: function(t, k) { \
if (k === 'prototype') { calls++; throw new Error('boom'); } return t[k]; } }); \
try { new p(); } catch (e) { e.message + ':' + calls }",
)
.unwrap();
assert_eq!(vm.lookup_str(result).unwrap(), "boom:1");
@@ -179,9 +180,9 @@ fn gpfc_new_expression_spread_bytecode_ctor_propagates_getter_throw() {
let result = eval(
&mut vm,
"var F = function(){}; var calls = 0; \
Object.defineProperty(F, 'prototype', { configurable: true, \
get: function() { calls++; throw new Error('boom'); } }); \
try { new F(...[]); } catch (e) { e.message + ':' + calls }",
var p = new Proxy(F, { get: function(t, k) { \
if (k === 'prototype') { calls++; throw new Error('boom'); } return t[k]; } }); \
try { new p(...[]); } catch (e) { e.message + ':' + calls }",
)
.unwrap();
assert_eq!(vm.lookup_str(result).unwrap(), "boom:1");