124 lines
4.4 KiB
Rust
124 lines
4.4 KiB
Rust
//! 内置全局属性描述符测试：规范要求全局构造器/命名空间对象属性
|
|
//! enumerable=false（不泄漏进 Object.keys(globalThis) / for-in），
|
|
//! 全局 NaN/undefined/Infinity 三常量不可写不可枚举不可配置。
|
|
|
|
use oxide_compiler::compiler::Compiler;
|
|
use oxide_parser::Allocator;
|
|
use oxide_vm::vm::Vm;
|
|
|
|
fn eval_truthy(source: &str) {
|
|
let allocator = Allocator::default();
|
|
let program = oxide_parser::parse(&allocator, source).expect("parse");
|
|
let module = Compiler::new().compile(&program).expect("compile");
|
|
let mut vm = Vm::new();
|
|
let result = vm.run(&module).expect("run");
|
|
assert!(result.is_bool() && result.as_bool(), "expected true, got: {result:?}\nsource: {source}");
|
|
}
|
|
|
|
#[test]
|
|
fn global_constructors_are_non_enumerable() {
|
|
for name in [
|
|
"Array", "Object", "Math", "JSON", "Reflect", "Number", "String", "Date", "Map", "Set", "Error", "Promise",
|
|
"BigInt",
|
|
] {
|
|
let src = format!("Object.getOwnPropertyDescriptor(globalThis, '{name}').enumerable === false");
|
|
eval_truthy(&src);
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn global_constructors_descriptor_full_attributes() {
|
|
eval_truthy(
|
|
"var d = Object.getOwnPropertyDescriptor(globalThis, 'Array'); \
|
|
d.writable === true && d.enumerable === false && d.configurable === true",
|
|
);
|
|
eval_truthy(
|
|
"var d = Object.getOwnPropertyDescriptor(globalThis, 'Math'); \
|
|
d.writable === true && d.enumerable === false && d.configurable === true",
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn global_this_is_non_enumerable_data_property() {
|
|
eval_truthy(
|
|
"var d = Object.getOwnPropertyDescriptor(globalThis, 'globalThis'); \
|
|
d.writable === true && d.enumerable === false && d.configurable === true",
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn keys_of_global_this_exclude_builtins() {
|
|
eval_truthy("Object.keys(globalThis).indexOf('Math') === -1");
|
|
eval_truthy("Object.keys(globalThis).indexOf('Array') === -1");
|
|
eval_truthy("Object.keys(globalThis).indexOf('NaN') === -1");
|
|
// 用户属性仍可枚举：内置属性收口不影响用户写入。
|
|
eval_truthy("var x = 1; Object.keys(globalThis).indexOf('x') >= 0");
|
|
}
|
|
|
|
#[test]
|
|
fn for_in_global_this_excludes_builtins() {
|
|
eval_truthy("var found = false; for (var k in globalThis) { if (k === 'Math') found = true; } found === false");
|
|
}
|
|
|
|
#[test]
|
|
fn nan_undefined_infinity_are_non_writable_non_configurable() {
|
|
for name in ["NaN", "undefined", "Infinity"] {
|
|
let src = format!(
|
|
"var d = Object.getOwnPropertyDescriptor(globalThis, '{name}'); \
|
|
d.writable === false && d.enumerable === false && d.configurable === false"
|
|
);
|
|
eval_truthy(&src);
|
|
}
|
|
eval_truthy("isNaN(globalThis.NaN) === true");
|
|
eval_truthy("globalThis.undefined === undefined");
|
|
eval_truthy("globalThis.Infinity === Infinity");
|
|
}
|
|
|
|
#[test]
|
|
fn math_constants_non_enumerable() {
|
|
eval_truthy("Object.getOwnPropertyDescriptor(Math, 'PI').enumerable === false");
|
|
eval_truthy("Object.getOwnPropertyDescriptor(Math, 'E').writable === false");
|
|
eval_truthy("Object.getOwnPropertyDescriptor(Math, 'PI').configurable === false");
|
|
eval_truthy("Object.keys(Math).length === 0");
|
|
eval_truthy("Math.PI === 3.141592653589793");
|
|
}
|
|
|
|
#[test]
|
|
fn math_namespace_object_is_non_enumerable_on_global() {
|
|
eval_truthy("Object.keys(globalThis).indexOf('Math') === -1");
|
|
}
|
|
|
|
#[test]
|
|
fn global_functions_non_enumerable() {
|
|
for name in [
|
|
"parseInt",
|
|
"parseFloat",
|
|
"isNaN",
|
|
"isFinite",
|
|
"encodeURI",
|
|
"decodeURI",
|
|
"escape",
|
|
"unescape",
|
|
] {
|
|
let src = format!("Object.getOwnPropertyDescriptor(globalThis, '{name}').enumerable === false");
|
|
eval_truthy(&src);
|
|
}
|
|
eval_truthy("Object.keys(globalThis).indexOf('parseInt') === -1");
|
|
}
|
|
|
|
#[test]
|
|
fn user_global_properties_remain_enumerable() {
|
|
eval_truthy("var x = 1; Object.getOwnPropertyDescriptor(globalThis, 'x').enumerable === true");
|
|
eval_truthy("globalThis.y = 2; Object.getOwnPropertyDescriptor(globalThis, 'y').enumerable === true");
|
|
}
|
|
|
|
#[test]
|
|
fn builtin_globals_remain_readable() {
|
|
eval_truthy("Array.isArray([]) === true");
|
|
eval_truthy("JSON.stringify({a:1}) === '{\"a\":1}'");
|
|
eval_truthy("Math.abs(-3) === 3");
|
|
eval_truthy("typeof parseInt === 'function'");
|
|
eval_truthy("Reflect.has({a:1}, 'a') === true");
|
|
eval_truthy("Number('42') === 42");
|
|
}
|