mirror of
https://github.com/pjh456/OxideJS.git
synced 2026-10-23 18:21:13 +08:00
33 lines
1.0 KiB
Rust
33 lines
1.0 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(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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let mut vm = Vm::new();
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vm.run(&Arc::new(module))
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}
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/// 求值一个应得布尔结果的表达式并断言其类型。
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fn eval_bool(source: &str) -> bool {
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let result = eval(source).expect("eval should succeed");
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assert!(result.is_bool(), "expected boolean result, got {result:?}");
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result.as_bool()
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}
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/// [[IsHTMLDDA]] 宿主对象按 undefined 处理（B.3.4），Boolean() 应返 false。
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#[test]
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fn boolean_html_dda_is_falsy() {
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assert!(!eval_bool("Boolean($262.IsHTMLDDA)"));
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}
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/// 普通对象在 ToBoolean 下保持 truthy。
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#[test]
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fn boolean_plain_object_is_truthy() {
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assert!(eval_bool("Boolean({})"));
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}
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