mirror of
https://github.com/pjh456/OxideJS.git
synced 2026-10-23 18:21:13 +08:00
91 lines
3.4 KiB
Rust
91 lines
3.4 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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/// 七构造器 `Symbol.species` 静态 getter 的规范描述符面：
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/// `{ get, set:undefined, enumerable:false, configurable:true }`、`get.length === 0`、
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/// `get.name === "get [Symbol.species]"`，getter 返回 receiver。
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fn assert_species_accessor(ctor_name: &str) {
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let mut vm = Vm::new();
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let source = format!(
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"var d = Object.getOwnPropertyDescriptor({ctor_name}, Symbol.species); \
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d !== undefined && d.set === undefined && d.enumerable === false && d.configurable === true && \
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typeof d.get === 'function' && d.get.length === 0 && d.get.name === 'get [Symbol.species]' && \
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d.get.call({ctor_name}) === {ctor_name} && d.get.call('x') === 'x'"
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);
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let result = eval(&mut vm, &source).unwrap();
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assert!(result.as_bool(), "{ctor_name} species accessor descriptor mismatch");
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}
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#[test]
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fn array_buffer_species_accessor_descriptor() {
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assert_species_accessor("ArrayBuffer");
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}
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#[test]
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fn map_species_accessor_descriptor() {
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assert_species_accessor("Map");
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}
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#[test]
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fn set_species_accessor_descriptor() {
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assert_species_accessor("Set");
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}
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#[test]
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fn regexp_species_accessor_descriptor() {
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assert_species_accessor("RegExp");
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}
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#[test]
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fn promise_species_accessor_descriptor() {
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assert_species_accessor("Promise");
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}
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#[test]
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fn typed_array_abstract_species_descriptor_and_chain_read() {
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// 抽象构造器 own 访问器；具体构造器无 own（gOPD 为 undefined），链上读回自身。
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let mut vm = Vm::new();
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let result = eval(
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&mut vm,
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"var d = Object.getOwnPropertyDescriptor(TypedArray, Symbol.species); \
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d !== undefined && d.set === undefined && d.enumerable === false && d.configurable === true && \
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d.get.name === 'get [Symbol.species]' && d.get.length === 0 && \
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TypedArray[Symbol.species] === TypedArray && \
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Object.getOwnPropertyDescriptor(Uint8Array, Symbol.species) === undefined && \
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Uint8Array[Symbol.species] === Uint8Array && \
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Object.getOwnPropertyDescriptor(BigUint64Array, Symbol.species) === undefined && \
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BigUint64Array[Symbol.species] === BigUint64Array",
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)
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.unwrap();
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assert!(result.as_bool());
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}
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#[test]
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fn species_subclasses_resolve_own_constructor() {
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// 派生类无 own @@species，沿静态原型链命中基类同一 getter，receiver 为自身。
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let mut vm = Vm::new();
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let result = eval(
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&mut vm,
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"class SubMap extends Map {} \
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class SubSet extends Set {} \
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class SubBuf extends ArrayBuffer {} \
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class SubRe extends RegExp {} \
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class SubP extends Promise {} \
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SubMap[Symbol.species] === SubMap && SubSet[Symbol.species] === SubSet && \
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SubBuf[Symbol.species] === SubBuf && SubRe[Symbol.species] === SubRe && SubP[Symbol.species] === SubP && \
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Object.getOwnPropertyDescriptor(SubMap, Symbol.species) === undefined",
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)
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.unwrap();
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assert!(result.as_bool());
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}
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