爱特每羊队
69 lines
1.7 KiB
Rust
69 lines
1.7 KiB
Rust
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: {:?}", e))?;
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let module = Compiler::new()
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.compile(&program)
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.map_err(|e| format!("Compile: {}", e))?;
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let mut vm = Vm::new();
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vm.run(&module)
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}
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#[test]
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fn let_block_scoping_outer_unchanged() {
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let result = eval("let x = 1; { let x = 2; } x").unwrap();
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assert_eq!(result.as_int(), 1);
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}
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#[test]
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fn const_reassignment_throws() {
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let result = eval("const x = 1; x = 2");
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assert!(result.is_err());
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let err = result.unwrap_err();
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assert!(
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err.contains("TypeError") || err.contains("constant"),
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"got: {}",
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err
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);
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}
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#[test]
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fn var_block_not_isolated() {
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let result = eval("var x = 5; { x = 10; } x").unwrap();
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assert_eq!(result.as_int(), 10);
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}
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#[test]
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fn delete_existing_property() {
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let result = eval("var o = {a: 1}; delete o.a; o.a").unwrap();
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assert!(result.is_undefined());
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}
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#[test]
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fn delete_returns_true() {
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let result = eval("var o = {a: 1}; delete o.a").unwrap();
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assert!(result.as_bool());
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assert!(result.as_bool());
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}
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#[test]
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fn instanceof_array() {
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let result = eval("[] instanceof Array").unwrap();
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assert!(result.as_bool());
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}
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#[test]
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fn instance_not_array() {
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let result = eval("({}) instanceof Array").unwrap();
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assert!(!result.as_bool());
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}
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#[test]
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fn void_returns_undefined() {
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let result = eval("void 0").unwrap();
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assert!(result.is_undefined());
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}
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