mirror of
https://github.com/pjh456/OxideJS.git
synced 2026-10-23 18:21:13 +08:00
1008 lines
38 KiB
Rust
1008 lines
38 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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/// 原型 byteLength 描述符钉：get 为函数、set 缺失、不可枚举、可配置。
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#[test]
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fn ab_bytelength_proto_is_accessor() {
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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(ArrayBuffer.prototype, 'byteLength'); \
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typeof d.get === 'function' && d.set === undefined \
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&& d.enumerable === false && d.configurable === true",
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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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/// 访问器 getter 函数对象元数据钉：name 标签与 length。
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#[test]
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fn ab_bytelength_getter_name_and_length() {
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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(ArrayBuffer.prototype, 'byteLength'); \
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d.get.name === 'get byteLength' && d.get.length === 0",
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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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/// 访问器返回值钉：构造长度经原型访问器读回。
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#[test]
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fn ab_bytelength_returns_constructed_len() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "new ArrayBuffer(0).byteLength === 0 && new ArrayBuffer(42).byteLength === 42").unwrap();
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assert!(result.as_bool());
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}
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/// receiver 校验钉：非 ArrayBuffer this（原型自身 / undefined）抛 TypeError。
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#[test]
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fn ab_bytelength_this_checks() {
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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(ArrayBuffer.prototype, 'byteLength'); \
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var proto_threw = false; var undef_threw = false; \
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try { ArrayBuffer.prototype.byteLength } catch (e) { proto_threw = e instanceof TypeError; } \
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try { d.get.call(undefined) } catch (e) { undef_threw = e instanceof TypeError; } \
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proto_threw && undef_threw",
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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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/// 实例无 own byteLength 属性钉（构造器不写数据属性）。
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#[test]
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fn ab_instance_has_no_own_bytelength() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "Object.getOwnPropertyNames(new ArrayBuffer(8)).length === 0").unwrap();
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assert!(result.as_bool());
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}
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/// 可 resize 实例 own maxByteLength 数据属性钉：描述符 {value, w:0, e:0, c:0}；
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/// 定长实例无该 own 属性。
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#[test]
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fn ab_ctor_options_own_max_property() {
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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 ab = new ArrayBuffer(4, {maxByteLength: 8}); \
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var d = Object.getOwnPropertyDescriptor(ab, 'maxByteLength'); \
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d !== undefined && d.value === 8 && d.writable === false \
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&& d.enumerable === false && d.configurable === false \
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&& Object.getOwnPropertyDescriptor(new ArrayBuffer(4), 'maxByteLength') === 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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/// options 非对象钉：null/boolean/symbol/bigint/string/number/undefined 一律定长。
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#[test]
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fn ab_ctor_options_non_object() {
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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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"[null, true, Symbol(3), 1n, 'string', 9, undefined] \
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.every(function (o) { return new ArrayBuffer(0, o).resizable === false; })",
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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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/// options.maxByteLength 为 undefined 或 options 为空对象 → 定长。
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#[test]
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fn ab_ctor_options_max_undefined() {
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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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"new ArrayBuffer(0, {}).resizable === false \
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&& new ArrayBuffer(0, {maxByteLength: undefined}).resizable === false",
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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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/// length > maxByteLength → RangeError。
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#[test]
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fn ab_ctor_len_gt_max_range_error() {
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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 t1 = false, t2 = false; \
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try { new ArrayBuffer(1, {maxByteLength: 0}); } catch (e) { t1 = e instanceof RangeError; } \
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try { new ArrayBuffer(5, {maxByteLength: 4}); } catch (e) { t2 = e instanceof RangeError; } \
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t1 && t2",
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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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/// maxByteLength: 0 是合法可 resize 上限（非定长）：resizable true、
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/// resize(0) 为 no-op、resize(1) 越界 RangeError。
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#[test]
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fn ab_ctor_max_zero_is_resizable() {
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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 ab = new ArrayBuffer(0, {maxByteLength: 0}); \
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var ok1 = ab.resizable === true && ab.maxByteLength === 0; \
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ab.resize(0); \
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var ok2 = ab.byteLength === 0 && ab.resizable === true; \
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var threw = false; \
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try { ab.resize(1); } catch (e) { threw = e instanceof RangeError; } \
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ok1 && ok2 && threw",
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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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/// options.maxByteLength 经 ToIndex 强转：字符串 '8' → 8，分数 4.5 → 截断 4。
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#[test]
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fn ab_ctor_max_coerced() {
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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 s = new ArrayBuffer(4, {maxByteLength: '8'}); \
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var f = new ArrayBuffer(4, {maxByteLength: 4.5}); \
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s.resizable === true && s.maxByteLength === 8 \
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&& f.resizable === true && f.maxByteLength === 4",
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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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/// options.maxByteLength 访问器抛错 → 原异常值传播。
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#[test]
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fn ab_ctor_max_poisoned_propagates() {
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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 options = { get maxByteLength() { throw new TypeError('poisoned'); } }; \
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var threw = false; \
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try { new ArrayBuffer(0, options); } catch (e) { threw = e instanceof TypeError && e.message === 'poisoned'; } \
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threw",
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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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/// options.maxByteLength 为 Symbol → TypeError；对象形强转序 valueOf → toString。
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#[test]
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fn ab_ctor_max_symbol_type_error() {
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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 threw = false; \
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try { new ArrayBuffer(0, {maxByteLength: Symbol()}); } catch (e) { threw = e instanceof TypeError; } \
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var log = []; \
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var opts = { maxByteLength: { \
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toString: function() { log.push('toString'); return {}; }, \
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valueOf: function() { log.push('valueOf'); return {}; } } }; \
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try { new ArrayBuffer(0, opts); } catch (e) {} \
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threw && log.length === 2 && log[0] === 'valueOf' && log[1] === 'toString'",
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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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/// length 参 ToIndex 语义钉：负分数截 0、字符串/NaN/分数按截断。
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#[test]
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fn ab_ctor_length_toindex() {
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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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"new ArrayBuffer(-0.1).byteLength === 0 \
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&& new ArrayBuffer('42').byteLength === 42 \
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&& new ArrayBuffer(NaN).byteLength === 0 \
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&& new ArrayBuffer(0.9).byteLength === 0",
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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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/// length 参强转期抛错 → 原异常值传播。
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#[test]
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fn ab_ctor_length_abort_propagates() {
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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 len = { valueOf: function() { throw new RangeError('abort'); } }; \
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var threw = false; \
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try { new ArrayBuffer(len); } catch (e) { threw = e instanceof RangeError && e.message === 'abort'; } \
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threw",
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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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/// 分配期上界钉：2^32（过 ToIndex 后撞引擎上限）与 2^53（ToLength 夹取失配）均 RangeError。
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#[test]
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fn ab_ctor_length_alloc_limit() {
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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 t1 = false, t2 = false; \
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try { new ArrayBuffer(2 ** 32); } catch (e) { t1 = e instanceof RangeError; } \
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try { new ArrayBuffer(2 ** 53); } catch (e) { t2 = e instanceof RangeError; } \
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t1 && t2",
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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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/// GetPrototypeFromConstructor 钉：newTarget 为 Object → 原型取 Object.prototype；
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/// newTarget.prototype 非对象 → 回落 %ArrayBuffer.prototype%。
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#[test]
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fn ab_ctor_newtarget_proto() {
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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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"Object.getPrototypeOf(Reflect.construct(ArrayBuffer, [8], Object)) === Object.prototype \
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&& (function () { function nt() {} nt.prototype = undefined; \
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return Object.getPrototypeOf(Reflect.construct(ArrayBuffer, [1], nt)) === ArrayBuffer.prototype; })()",
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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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/// 普通调用形态（new.target 缺失）→ TypeError。
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#[test]
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fn ab_ctor_call_throws() {
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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 t1 = false, t2 = false; \
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try { ArrayBuffer(); } catch (e) { t1 = e instanceof TypeError; } \
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try { ArrayBuffer(10); } catch (e) { t2 = e instanceof TypeError; } \
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t1 && t2",
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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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/// 语义序钉：原型读先于分配期上界拒绝（7PiB length + 抛错 prototype getter）。
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#[test]
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fn ab_ctor_proto_before_alloc() {
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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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"function DummyError() {} \
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var newTarget = function() {}.bind(null); \
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Object.defineProperty(newTarget, 'prototype', { get: function() { throw new DummyError(); } }); \
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var threw = false; \
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try { Reflect.construct(ArrayBuffer, [7 * 1125899906842624], newTarget); } catch (e) { threw = e instanceof DummyError; } \
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threw",
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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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/// resize grow 钉：前缀保留 + 零填充，视图 live 见新长度。
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#[test]
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fn ab_resize_grow_preserves_and_zeros() {
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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 ab = new ArrayBuffer(2, {maxByteLength: 5}); \
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var view = new Uint8Array(ab); view[0] = 1; view[1] = 2; \
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ab.resize(5); \
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var v2 = new Uint8Array(ab); \
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ab.byteLength === 5 && v2.length === 5 \
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&& v2[0] === 1 && v2[1] === 2 && v2[2] === 0 && v2[3] === 0 && v2[4] === 0",
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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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/// resize shrink 钉：截断丢尾字节，再 grow 前缀保留 + 零填充。
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#[test]
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fn ab_resize_shrink_truncate() {
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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 ab = new ArrayBuffer(4, {maxByteLength: 8}); \
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var view = new Uint8Array(ab); view[0] = 1; view[1] = 2; \
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ab.resize(1); \
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var ok1 = ab.byteLength === 1 && new Uint8Array(ab).length === 1; \
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ab.resize(4); \
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var v2 = new Uint8Array(ab); \
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ok1 && ab.byteLength === 4 && v2[0] === 1 && v2[1] === 0 && v2[2] === 0 && v2[3] === 0",
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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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/// resize(0) 不 detach 钉：byteLength 0、resizable 保持、slice 不抛、可再 grow。
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#[test]
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fn ab_resize_zero_stays_attached() {
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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 ab = new ArrayBuffer(2, {maxByteLength: 4}); \
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ab.resize(0); \
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var ok1 = ab.byteLength === 0 && ab.resizable === true && ab.slice().byteLength === 0; \
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ab.resize(2); \
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ok1 && ab.byteLength === 2",
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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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/// resize 界判钉：负值/超 max → RangeError；分数截断、NaN → 0。
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#[test]
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fn ab_resize_range_checks() {
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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 ab = new ArrayBuffer(4, {maxByteLength: 8}); \
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var t1 = false, t2 = false; \
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try { ab.resize(-1); } catch (e) { t1 = e instanceof RangeError; } \
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try { ab.resize(9); } catch (e) { t2 = e instanceof RangeError; } \
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ab.resize(2.5); \
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var t3 = ab.byteLength === 2; \
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ab.resize(NaN); \
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var t4 = ab.byteLength === 0; \
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ab.resize(-0.5); \
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t1 && t2 && t3 && t4 && ab.byteLength === 0",
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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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/// 定长缓冲 resize 钉：0/3/4/5 四形均 TypeError，长度不变。
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#[test]
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fn ab_resize_non_resizable_type_error() {
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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 ab = new ArrayBuffer(4); \
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var t0 = false, t3 = false, t4 = false, t5 = false; \
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try { ab.resize(0); } catch (e) { t0 = e instanceof TypeError; } \
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try { ab.resize(3); } catch (e) { t3 = e instanceof TypeError; } \
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try { ab.resize(4); } catch (e) { t4 = e instanceof TypeError; } \
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try { ab.resize(5); } catch (e) { t5 = e instanceof TypeError; } \
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t0 && t3 && t4 && t5 && ab.byteLength === 4",
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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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/// resize this 品牌校验钉：原型/undefined/{}/[] 四形均 TypeError。
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#[test]
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fn ab_resize_this_checks() {
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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 t1 = false, t2 = false, t3 = false, t4 = false; \
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try { ArrayBuffer.prototype.resize(); } catch (e) { t1 = e instanceof TypeError; } \
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try { ArrayBuffer.prototype.resize.call(undefined); } catch (e) { t2 = e instanceof TypeError; } \
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try { ArrayBuffer.prototype.resize.call({}); } catch (e) { t3 = e instanceof TypeError; } \
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try { ArrayBuffer.prototype.resize.call([]); } catch (e) { t4 = e instanceof TypeError; } \
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t1 && t2 && t3 && t4",
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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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/// resizable 访问器钉：描述符 {get 函数, set undefined, e:0, c:1}、name/length、
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/// 定长 false / 可 resize true、this 校验两形。
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#[test]
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fn ab_resizable_accessor_pins() {
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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(ArrayBuffer.prototype, 'resizable'); \
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var ok = d.set === undefined && typeof d.get === 'function' \
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&& d.enumerable === false && d.configurable === true \
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&& d.get.name === 'get resizable' && d.get.length === 0; \
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var fixed = new ArrayBuffer(1); \
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var resizable = new ArrayBuffer(1, {maxByteLength: 1}); \
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var getter = d.get; \
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var t1 = false, t2 = false; \
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try { getter.call({}); } catch (e) { t1 = e instanceof TypeError; } \
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try { getter.call(undefined); } catch (e) { t2 = e instanceof TypeError; } \
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ok && fixed.resizable === false && resizable.resizable === true && t1 && t2",
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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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/// BigInt 参钉：ctor 与 slice 单参/双参/中间参四形均抛 TypeError。
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#[test]
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fn ab_bigint_argument_type_error() {
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let mut vm = Vm::new();
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let err = eval(&mut vm, "new ArrayBuffer(8n)").unwrap_err();
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assert!(err.contains("TypeError"), "ctor: {}", err);
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for src in [
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"new ArrayBuffer(8).slice(2n)",
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"new ArrayBuffer(8).slice(2n, 4n)",
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"new ArrayBuffer(8).slice(1n, 2n)",
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] {
|
||
let err = eval(&mut vm, src).unwrap_err();
|
||
assert!(err.contains("TypeError"), "{}: {}", src, err);
|
||
}
|
||
}
|
||
|
||
/// valueOf 异常透传钉：ctor 与 slice 的转换异常保留原异常值。
|
||
#[test]
|
||
fn ab_value_of_abort_passes_through() {
|
||
let mut vm = Vm::new();
|
||
let v = eval(&mut vm, "try { new ArrayBuffer({valueOf(){ throw 42 }}) } catch (e) { e }").unwrap();
|
||
assert_eq!(v.as_int(), 42);
|
||
let v = eval(&mut vm, "try { new ArrayBuffer(8).slice({valueOf(){ throw 7 }}) } catch (e) { e }").unwrap();
|
||
assert_eq!(v.as_int(), 7);
|
||
}
|
||
|
||
/// fold 保留钉：slice ±Infinity 饱和 0/len，Number 分支语义不回退。
|
||
#[test]
|
||
fn ab_slice_infinity_fold_preserved() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"new ArrayBuffer(8).slice(Infinity).byteLength === 0 \
|
||
&& new ArrayBuffer(8).slice(-Infinity).byteLength === 8 \
|
||
&& new ArrayBuffer(8).slice(-Infinity, 3).byteLength === 3 \
|
||
&& new ArrayBuffer(8).slice(2, Infinity).byteLength === 6",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// RangeError 不回退钉：负值/超引擎上限抛 RangeError，分数截断、字符串强转。
|
||
#[test]
|
||
fn ab_length_range_error_not_regressed() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"var t1 = false, t2 = false; \
|
||
try { new ArrayBuffer(-1); } catch (e) { t1 = e instanceof RangeError; } \
|
||
try { new ArrayBuffer(2 ** 40); } catch (e) { t2 = e instanceof RangeError; } \
|
||
t1 && t2 \
|
||
&& new ArrayBuffer(4.9).byteLength === 4 \
|
||
&& new ArrayBuffer('8').byteLength === 8",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// maxByteLength 访问器钉：描述符 {get 函数, set undefined, e:0, c:1}、
|
||
/// name/length、定长 42→42 / 0→0、resizable(4,{max 8})→8、detached→0、
|
||
/// this 四形 TypeError。
|
||
#[test]
|
||
fn ab_maxbytelength_accessor_pins() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"var d = Object.getOwnPropertyDescriptor(ArrayBuffer.prototype, 'maxByteLength'); \
|
||
var ok = d.set === undefined && typeof d.get === 'function' \
|
||
&& d.enumerable === false && d.configurable === true \
|
||
&& d.get.name === 'get maxByteLength' && d.get.length === 0; \
|
||
var t1 = false, t2 = false, t3 = false, t4 = false; \
|
||
try { d.get.call(ArrayBuffer.prototype); } catch (e) { t1 = e instanceof TypeError; } \
|
||
try { d.get.call(undefined); } catch (e) { t2 = e instanceof TypeError; } \
|
||
try { d.get.call({}); } catch (e) { t3 = e instanceof TypeError; } \
|
||
try { d.get.call([]); } catch (e) { t4 = e instanceof TypeError; } \
|
||
ok && t1 && t2 && t3 && t4 \
|
||
&& new ArrayBuffer(42).maxByteLength === 42 \
|
||
&& new ArrayBuffer(0).maxByteLength === 0 \
|
||
&& new ArrayBuffer(4, {maxByteLength: 8}).maxByteLength === 8",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
let result =
|
||
eval(&mut vm, "var ab = new ArrayBuffer(1); $262.detachArrayBuffer(ab); ab.maxByteLength === 0").unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// immutable 访问器钉：描述符形、markImmutable 前后 false→true、this 两形。
|
||
#[test]
|
||
fn ab_immutable_accessor_pins() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"var d = Object.getOwnPropertyDescriptor(ArrayBuffer.prototype, 'immutable'); \
|
||
var ok = d.set === undefined && typeof d.get === 'function' \
|
||
&& d.enumerable === false && d.configurable === true \
|
||
&& d.get.name === 'get immutable' && d.get.length === 0; \
|
||
var ab = new ArrayBuffer(2); \
|
||
var before = ab.immutable; \
|
||
ab.markImmutable(); \
|
||
var t1 = false, t2 = false; \
|
||
try { d.get.call({}); } catch (e) { t1 = e instanceof TypeError; } \
|
||
try { d.get.call(undefined); } catch (e) { t2 = e instanceof TypeError; } \
|
||
ok && before === false && ab.immutable === true && t1 && t2",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// detached 访问器钉：描述符形、附着 false → $262 detach → true、this 两形。
|
||
#[test]
|
||
fn ab_detached_accessor_pins() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"var d = Object.getOwnPropertyDescriptor(ArrayBuffer.prototype, 'detached'); \
|
||
var ok = d.set === undefined && typeof d.get === 'function' \
|
||
&& d.enumerable === false && d.configurable === true \
|
||
&& d.get.name === 'get detached' && d.get.length === 0; \
|
||
var ab = new ArrayBuffer(1); \
|
||
var before = ab.detached; \
|
||
$262.detachArrayBuffer(ab); \
|
||
var t1 = false, t2 = false; \
|
||
try { d.get.call({}); } catch (e) { t1 = e instanceof TypeError; } \
|
||
try { d.get.call(undefined); } catch (e) { t2 = e instanceof TypeError; } \
|
||
ok && before === false && ab.detached === true && t1 && t2",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// byteLength detached 臂改点钉：detach 后读 0（原 TypeError 臂）。
|
||
#[test]
|
||
fn ab_bytelength_detached_zero() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(&mut vm, "var ab = new ArrayBuffer(1); $262.detachArrayBuffer(ab); ab.byteLength === 0").unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// resizable detached 不受影响钉：resizable(1,{max 1}) detach 后仍 true。
|
||
#[test]
|
||
fn ab_resizable_detached_unchanged() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"var ab = new ArrayBuffer(1, {maxByteLength: 1}); $262.detachArrayBuffer(ab); ab.resizable === true",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// own maxByteLength 数据属性与原型访问器并存读同值钉（resizable 专属）。
|
||
#[test]
|
||
fn ab_maxbytelength_own_still_resizable_only() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"var ab = new ArrayBuffer(4, {maxByteLength: 8}); \
|
||
Object.getOwnPropertyDescriptor(ab, 'maxByteLength').value === 8 && ab.maxByteLength === 8",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// markImmutable 返回接收者并置位钉：返回 === ab、immutable true、二调幂等、
|
||
/// byteLength 不变。
|
||
#[test]
|
||
fn ab_markimmutable_returns_this_and_sets_flag() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"var ab = new ArrayBuffer(4); \
|
||
var ret = ab.markImmutable(); \
|
||
ret === ab && ab.immutable === true && ab.markImmutable() === ab \
|
||
&& ab.immutable === true && ab.byteLength === 4",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// markImmutable resizable 源钉：TypeError。
|
||
#[test]
|
||
fn ab_markimmutable_resizable_type_error() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"var t = false; \
|
||
try { new ArrayBuffer(4, {maxByteLength: 8}).markImmutable(); } catch (e) { t = e instanceof TypeError; } \
|
||
t",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// markImmutable detached 源钉：$262 detach 后 TypeError。
|
||
#[test]
|
||
fn ab_markimmutable_detached_type_error() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"var ab = new ArrayBuffer(4); $262.detachArrayBuffer(ab); \
|
||
var t = false; \
|
||
try { ab.markImmutable(); } catch (e) { t = e instanceof TypeError; } \
|
||
t",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// markImmutable this 品牌校验钉：原型/undefined/{}/[] 四形 TypeError。
|
||
#[test]
|
||
fn ab_markimmutable_this_checks() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"var t1 = false, t2 = false, t3 = false, t4 = false; \
|
||
try { ArrayBuffer.prototype.markImmutable(); } catch (e) { t1 = e instanceof TypeError; } \
|
||
try { ArrayBuffer.prototype.markImmutable.call(undefined); } catch (e) { t2 = e instanceof TypeError; } \
|
||
try { ArrayBuffer.prototype.markImmutable.call({}); } catch (e) { t3 = e instanceof TypeError; } \
|
||
try { ArrayBuffer.prototype.markImmutable.call([]); } catch (e) { t4 = e instanceof TypeError; } \
|
||
t1 && t2 && t3 && t4",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// P2-1 门钉：TA 界内整数键 detached 前 NumericValid(0)、detached 后
|
||
/// NumericInvalid（232.19.2 Get 臂 detached 界内键用例的前置钉）。
|
||
#[test]
|
||
fn ab_ta_view_length_detached_zero() {
|
||
let mut vm = Vm::new();
|
||
eval(
|
||
&mut vm,
|
||
"var ab = new ArrayBuffer(8); \
|
||
globalThis.__ab = ab; globalThis.__ta = new Uint8Array(ab); true",
|
||
)
|
||
.unwrap();
|
||
let si = vm.kernel_core().perm_interner().intern("0").0;
|
||
let ta_val = eval(&mut vm, "globalThis.__ta").unwrap();
|
||
// SAFETY: __ta 为已晋升 session 的 TypedArray 对象，借用止于断言、不跨下一次 eval。
|
||
let ta_obj = unsafe { &*ta_val.as_js_object_ptr() };
|
||
assert_eq!(
|
||
oxide_builtins::typed_array::ta_index_gate(&vm, ta_obj, si),
|
||
oxide_builtins::typed_array::TaIndexGate::NumericValid(0)
|
||
);
|
||
eval(&mut vm, "$262.detachArrayBuffer(globalThis.__ab); true").unwrap();
|
||
let ta_val = eval(&mut vm, "globalThis.__ta").unwrap();
|
||
let ta_obj = unsafe { &*ta_val.as_js_object_ptr() };
|
||
assert_eq!(
|
||
oxide_builtins::typed_array::ta_index_gate(&vm, ta_obj, si),
|
||
oxide_builtins::typed_array::TaIndexGate::NumericInvalid
|
||
);
|
||
}
|
||
|
||
/// transfer 拷贝/增减/零填充/源 detach 钉：grow 补零、same 原样、shrink
|
||
/// 截断；transfer(0) 产物附着 0 长（区别于 detach）。
|
||
#[test]
|
||
fn ab_transfer_copies_grows_shrinks_and_detaches() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"function fill(ab) { var v = new Uint8Array(ab); v[0]=1; v[1]=2; v[2]=3; v[3]=4; return ab; } \
|
||
var a = new Uint8Array(fill(new ArrayBuffer(4)).transfer(5)); \
|
||
a[0]===1 && a[1]===2 && a[2]===3 && a[3]===4 && a[4]===0 \
|
||
&& new Uint8Array(fill(new ArrayBuffer(4)).transfer(4)).length === 4 \
|
||
&& new Uint8Array(fill(new ArrayBuffer(4)).transfer(2)).join(',') === '1,2' \
|
||
&& fill(new ArrayBuffer(4)).transfer(0).detached === false \
|
||
&& fill(new ArrayBuffer(4)).transfer(0).byteLength === 0",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
let result = eval(
|
||
&mut vm,
|
||
"var ab = new ArrayBuffer(4); ab.transfer(2); ab.detached === true && ab.byteLength === 0",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// transfer 保持性钉：resizable 源 → 产物 resizable 同上限，产物附着。
|
||
#[test]
|
||
fn ab_transfer_preserves_resizability() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"var dest = new ArrayBuffer(4, {maxByteLength: 8}).transfer(5); \
|
||
dest.resizable === true && dest.maxByteLength === 8 \
|
||
&& dest.detached === false && dest.byteLength === 5",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// transferToFixedLength 钉：resizable 源 → 产物恒定长、源 detach。
|
||
#[test]
|
||
fn ab_transfer_to_fixed_length_fixed() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"var ab = new ArrayBuffer(4, {maxByteLength: 8}); \
|
||
var dest = ab.transferToFixedLength(6); \
|
||
dest.resizable === false && dest.maxByteLength === 6 && dest.byteLength === 6 \
|
||
&& ab.detached === true && ab.byteLength === 0",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// transferToImmutable 钉：产物 immutable + 恒定长、源 detach；显式 longer
|
||
/// 零填充。
|
||
#[test]
|
||
fn ab_transfer_to_immutable_sets_flag() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"var ab = new ArrayBuffer(4); \
|
||
var dest = ab.transferToImmutable(); \
|
||
dest.immutable === true && dest.resizable === false && ab.detached === true \
|
||
&& new Uint8Array(new ArrayBuffer(4).transferToImmutable(9)).length === 9 \
|
||
&& new Uint8Array(new ArrayBuffer(4).transferToImmutable(9))[8] === 0",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// newLength 求值序与强转钉：valueOf→toString 序 TypeError、2^53 RangeError、
|
||
/// valueOf 内 detach 后走 detached 判定（求值先于守卫）。
|
||
#[test]
|
||
fn ab_transfer_new_length_order_and_coercion() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"var log = []; \
|
||
var nl = { toString() { log.push('toString'); return {}; }, \
|
||
valueOf() { log.push('valueOf'); return {}; } }; \
|
||
var t1 = false; \
|
||
try { new ArrayBuffer(0).transfer(nl); } catch (e) { t1 = e instanceof TypeError; } \
|
||
t1 && log.length === 2 && log[0] === 'valueOf' && log[1] === 'toString' \
|
||
&& (function () { var t2 = false; \
|
||
try { new ArrayBuffer(0).transfer(2 ** 53); } catch (e) { t2 = e instanceof RangeError; } \
|
||
return t2; })() \
|
||
&& (function () { var ab = new ArrayBuffer(8); var t3 = false; \
|
||
try { ab.transfer({ valueOf() { $262.detachArrayBuffer(ab); return 1; } }); } \
|
||
catch (e) { t3 = e instanceof TypeError; } \
|
||
return t3; })()",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// detached 源钉：三方法同形 TypeError。
|
||
#[test]
|
||
fn ab_transfer_detached_source_type_error() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"var a = new ArrayBuffer(4); a.transfer(); \
|
||
var t1 = false, t2 = false, t3 = false; \
|
||
try { a.transfer(); } catch (e) { t1 = e instanceof TypeError; } \
|
||
try { a.transferToFixedLength(); } catch (e) { t2 = e instanceof TypeError; } \
|
||
try { a.transferToImmutable(); } catch (e) { t3 = e instanceof TypeError; } \
|
||
t1 && t2 && t3",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// immutable 源钉：三方法同形 TypeError，newLength 读取先于 mutability 守卫。
|
||
#[test]
|
||
fn ab_transfer_immutable_source_type_error() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"var iab = new ArrayBuffer(4).transferToImmutable(); \
|
||
var calls = []; \
|
||
var nl = { valueOf() { calls.push('valueOf'); return 1; } }; \
|
||
var t1 = false, t2 = false, t3 = false; \
|
||
try { iab.transfer(nl); } catch (e) { t1 = e instanceof TypeError; } \
|
||
try { iab.transferToFixedLength(); } catch (e) { t2 = e instanceof TypeError; } \
|
||
try { iab.transferToImmutable(); } catch (e) { t3 = e instanceof TypeError; } \
|
||
t1 && t2 && t3 && calls.length === 1 && calls[0] === 'valueOf'",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// 界校验钉：resizable 源超真实上限 RangeError、超引擎分配上界 RangeError。
|
||
#[test]
|
||
fn ab_transfer_range_and_alloc_limits() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"var t1 = false, t2 = false; \
|
||
try { new ArrayBuffer(4, {maxByteLength: 8}).transfer(9); } catch (e) { t1 = e instanceof RangeError; } \
|
||
try { new ArrayBuffer(0).transfer(2 ** 32); } catch (e) { t2 = e instanceof RangeError; } \
|
||
t1 && t2",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// slice 窗口钉：全窗/前缀/后缀/负 start/负 end/start 越界/end 越界/
|
||
/// start 超 end/空窗九形长度，源不 detach。
|
||
#[test]
|
||
fn ab_slice_window_pins() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"(function () { var ab = new ArrayBuffer(8); \
|
||
var bl = function (s) { return ab.slice(s[0], s[1]).byteLength; }; \
|
||
return bl([undefined, undefined]) === 8 && bl([0, 3]) === 3 && bl([6, undefined]) === 2 \
|
||
&& bl([-2]) === 2 && bl([0, -2]) === 6 && bl([20]) === 0 \
|
||
&& bl([2, 20]) === 6 && bl([5, 2]) === 0 && bl([3, 3]) === 0 \
|
||
&& ab.detached === false })()",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// slice 空窗钉：产物附着 0 长（区别于 detach 空缓冲）。
|
||
#[test]
|
||
fn ab_slice_empty_window_not_detached() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"(function () { var r = new ArrayBuffer(4).slice(3, 3); \
|
||
return r.byteLength === 0 && r.detached === false && r.immutable === false })()",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// slice 内容钉：[1..8] 源 slice(2,6) → [3,4,5,6]，产物独立于源。
|
||
#[test]
|
||
fn ab_slice_content_copy() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"(function () { var ab = new ArrayBuffer(8); var v = new Uint8Array(ab); \
|
||
for (var i = 0; i < 8; i++) v[i] = i + 1; \
|
||
var d = new Uint8Array(ab.slice(2, 6)); \
|
||
return d.length === 4 && d[0] === 3 && d[1] === 4 && d[2] === 5 && d[3] === 6 \
|
||
&& (v[0] = 90, new Uint8Array(ab.slice(2, 6))[0] === 3) })()",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// slice 构造窗内源收缩钉：species 构造器内 resize(1) 后返回 AB(8) →
|
||
/// 不抛、结果 8 长、前 1 字节为源现存、余零填充（活 currentLen 夹拷贝）。
|
||
#[test]
|
||
fn ab_slice_source_shrink_in_construct() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"(function () { var ab = new ArrayBuffer(8, {maxByteLength: 16}); \
|
||
var v = new Uint8Array(ab); v[0] = 9; \
|
||
var c = {}; c[Symbol.species] = function (len) { \
|
||
ab.resize(1); return new ArrayBuffer(8); }; \
|
||
ab.constructor = c; \
|
||
var r = ab.slice(); \
|
||
var d = new Uint8Array(r); \
|
||
return r.byteLength === 8 && ab.byteLength === 1 \
|
||
&& d[0] === 9 && d[1] === 0 && d[6] === 0 && d[7] === 0 })()",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// slice 物种回落三形钉：constructor undefined / species undefined /
|
||
/// species null → 默认原型 + 内容正确（防回归钉，语料现巧合绿）。
|
||
#[test]
|
||
fn ab_slice_species_default_fallbacks() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"(function () { \
|
||
var ab1 = new ArrayBuffer(8); ab1.constructor = undefined; \
|
||
var r1 = ab1.slice(); \
|
||
var c2 = {}; var ab2 = new ArrayBuffer(8); ab2.constructor = c2; \
|
||
var r2 = ab2.slice(); \
|
||
var c3 = {}; c3[Symbol.species] = null; var ab3 = new ArrayBuffer(8); ab3.constructor = c3; \
|
||
var r3 = ab3.slice(); \
|
||
var v = new Uint8Array(ab1); v[0] = 7; \
|
||
var d = new Uint8Array(ab1.slice()); \
|
||
return Object.getPrototypeOf(r1) === ArrayBuffer.prototype && r1.byteLength === 8 \
|
||
&& Object.getPrototypeOf(r2) === ArrayBuffer.prototype \
|
||
&& Object.getPrototypeOf(r3) === ArrayBuffer.prototype \
|
||
&& d[0] === 7 })()",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// slice 物种交付钉：构造器实参 «8» 逐次捕获、返回自建 AB → 交付原值且
|
||
/// 内容拷贝入产物。
|
||
#[test]
|
||
fn ab_slice_species_custom_returns() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"(function () { var calls = []; var c = {}; \
|
||
c[Symbol.species] = function (len) { calls.push(len); return new ArrayBuffer(8); }; \
|
||
var ab = new ArrayBuffer(8); var v = new Uint8Array(ab); \
|
||
for (var i = 0; i < 8; i++) v[i] = i + 1; \
|
||
ab.constructor = c; \
|
||
var r = ab.slice(); \
|
||
var d = new Uint8Array(r); \
|
||
return r.byteLength === 8 && calls.join(',') === '8' \
|
||
&& d[0] === 1 && d[7] === 8 && ab.detached === false })()",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// slice 物种 TypeError 五形钉：constructor null/true/\"\"、species
|
||
/// 对象/Function.prototype 均 TypeError。
|
||
#[test]
|
||
fn ab_slice_species_type_error_family() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"(function () { function ty(fn) { try { fn(); return false; } catch (e) { return e instanceof TypeError; } } \
|
||
var ab = new ArrayBuffer(8); \
|
||
ab.constructor = null; var t1 = ty(function () { ab.slice(); }); \
|
||
ab.constructor = true; var t2 = ty(function () { ab.slice(); }); \
|
||
ab.constructor = ''; var t3 = ty(function () { ab.slice(); }); \
|
||
var c = {}; ab.constructor = c; \
|
||
c[Symbol.species] = {}; var t4 = ty(function () { ab.slice(); }); \
|
||
c[Symbol.species] = Function.prototype; var t5 = ty(function () { ab.slice(); }); \
|
||
return t1 && t2 && t3 && t4 && t5 })()",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// slice 结果五检前四形钉：物种返回非 AB / 返回 O 自身 / 返回小缓冲 →
|
||
/// TypeError；返回大缓冲 → 交付（内容只填前缀）。
|
||
#[test]
|
||
fn ab_slice_species_result_checks() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"(function () { function ty(fn) { try { fn(); return false; } catch (e) { return e instanceof TypeError; } } \
|
||
var a1 = new ArrayBuffer(8); var c1 = {}; \
|
||
c1[Symbol.species] = function () { return {}; }; a1.constructor = c1; \
|
||
var t1 = ty(function () { a1.slice(); }); \
|
||
var a2 = new ArrayBuffer(8); var c2 = {}; \
|
||
c2[Symbol.species] = function () { return a2; }; a2.constructor = c2; \
|
||
var t2 = ty(function () { a2.slice(); }); \
|
||
var a3 = new ArrayBuffer(8); var c3 = {}; \
|
||
c3[Symbol.species] = function () { return new ArrayBuffer(4); }; a3.constructor = c3; \
|
||
var t3 = ty(function () { a3.slice(); }); \
|
||
var a4 = new ArrayBuffer(8); var v = new Uint8Array(a4); v[0] = 5; \
|
||
var c4 = {}; c4[Symbol.species] = function () { return new ArrayBuffer(10); }; a4.constructor = c4; \
|
||
var r4 = a4.slice(); var d4 = new Uint8Array(r4); \
|
||
return t1 && t2 && t3 && r4.byteLength === 10 && d4[0] === 5 && d4[8] === 0 })()",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|
||
|
||
/// slice 源 detach 四形钉：源已 detach（参数未读）、start/end valueOf 内
|
||
/// detach、species 构造内 detach（构造后重检步）均 TypeError。
|
||
#[test]
|
||
fn ab_slice_source_detach_family() {
|
||
let mut vm = Vm::new();
|
||
let result = eval(
|
||
&mut vm,
|
||
"(function () { function ty(fn) { try { fn(); return false; } catch (e) { return e instanceof TypeError; } } \
|
||
var a1 = new ArrayBuffer(8); $262.detachArrayBuffer(a1); \
|
||
var calls1 = []; var s1 = { valueOf: function () { calls1.push('s'); return 0; } }; \
|
||
var t1 = ty(function () { a1.slice(s1); }); \
|
||
var a2 = new ArrayBuffer(8); \
|
||
var s2 = { valueOf: function () { $262.detachArrayBuffer(a2); return 0; } }; \
|
||
var t2 = ty(function () { a2.slice(s2); }); \
|
||
var a3 = new ArrayBuffer(8); \
|
||
var e3 = { valueOf: function () { $262.detachArrayBuffer(a3); return 2; } }; \
|
||
var t3 = ty(function () { a3.slice(1, e3); }); \
|
||
var a4 = new ArrayBuffer(8); var c4 = {}; \
|
||
c4[Symbol.species] = function (len) { $262.detachArrayBuffer(a4); return new ArrayBuffer(len); }; \
|
||
a4.constructor = c4; var t4 = ty(function () { a4.slice(); }); \
|
||
return t1 && calls1.length === 0 && t2 && t3 && t4 })()",
|
||
)
|
||
.unwrap();
|
||
assert!(result.as_bool());
|
||
}
|