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https://github.com/pjh456/OxideJS.git
synced 2026-10-23 18:21:13 +08:00
22 lines
859 B
Rust
22 lines
859 B
Rust
use oxide_compiler::compiler::Compiler;
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#[test]
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fn hash_var_let_const_differ() {
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let compiler = Compiler::new();
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let allocator = oxide_parser::Allocator::default();
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let var_ast = oxide_parser::parse(&allocator, "var x = 1").unwrap();
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let let_ast = oxide_parser::parse(&allocator, "let x = 1").unwrap();
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let const_ast = oxide_parser::parse(&allocator, "const x = 1").unwrap();
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let var_module = compiler.compile(&var_ast).unwrap();
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let let_module = compiler.compile(&let_ast).unwrap();
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let const_module = compiler.compile(&const_ast).unwrap();
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// let 与 const 词法对称，寄存器数一致。
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assert_eq!(let_module.n_registers, const_module.n_registers);
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// 顶层 var 因提升预声明与全局属性同步序言，编译产物与 let 不同。
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assert_ne!(var_module.bytecode, let_module.bytecode);
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}
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