mirror of
https://github.com/pjh456/OxideJS.git
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pjh123
eb6bc412d9
jsvalue_to_json 串值分支原经 to_owned_string（lossy）后按 char 流序列化：孤立
surrogate 单元被打成 U+FFFD 且输出裸非法码单元（非 well-formed JSON，
JSON.parse 无法复原同值）。现按单元流序列化（stringify_string_units）：良配
代理对原样输出 astral 字符，非配对孤立 surrogate 输出 \\uXXXX（well-formed
JSON 要求，round-trip 复原同值），C0/C1 控制码输出 \\uXXXX，其余按 JSON
转义规则。
toJSON/replacer 键参数同改：键 si 物化为单元序列（整数键 → ASCII 数字串，
字符串键 → 码表键经 decode_key 还原含孤立 surrogate 单元），new_string_units_owned
建参——与 0c750fa 键物化面（Object.keys/ownKeys/entries/Reflect.ownKeys/json
reviver 键同源）口径一致，replace/reviver 键参数不再走 lossy 串值。
三并钉：json_tests 增补 stringify 孤立 surrogate round-trip / 代理对 astral
直出 / 键面单元传递三则；JSON 套件 37/0，node 13 用例对照一致。
366 lines
11 KiB
Rust
366 lines
11 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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fn string_value(vm: &Vm, val: JsValue) -> String {
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vm.lookup_str(val).unwrap_or_default()
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}
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// -- JSON.parse --
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#[test]
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fn json_parse_object() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.parse('{\"a\":1,\"b\":2}')").unwrap();
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assert!(result.is_object());
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let obj = unsafe { &*result.as_js_object_ptr() };
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assert_eq!(obj.prop_count(), 2);
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}
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#[test]
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fn json_parse_array() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.parse('[1,2,3]')").unwrap();
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assert!(result.is_object());
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let obj = unsafe { &*result.as_js_object_ptr() };
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assert!(obj.is_array());
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assert_eq!(obj.prop_count(), 3);
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assert_eq!(obj.get_prop_at(2).as_double(), 3.0);
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}
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#[test]
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fn json_parse_string() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.parse('\"hello\"')").unwrap();
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assert!(result.is_string());
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let s = string_value(&vm, result);
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assert_eq!(s, "hello");
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}
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#[test]
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fn json_parse_number() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.parse('42')").unwrap();
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assert!(result.is_double());
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}
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#[test]
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fn json_parse_float() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.parse('3.14')").unwrap();
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assert!(result.is_double());
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}
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#[test]
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fn json_parse_true() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.parse('true')").unwrap();
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assert!(result.is_bool());
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assert!(result.as_bool());
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}
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#[test]
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fn json_parse_false() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.parse('false')").unwrap();
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assert!(result.is_bool());
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assert!(!result.as_bool());
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}
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#[test]
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fn json_parse_null() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.parse('null')").unwrap();
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assert!(result.is_null());
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}
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#[test]
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fn json_parse_nested() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.parse('{\"a\":1,\"b\":[1,2],\"c\":{\"d\":\"hello\"}}')").unwrap();
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assert!(result.is_object());
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}
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#[test]
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fn json_parse_invalid_throws() {
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let mut vm = Vm::new();
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let err = eval(&mut vm, "JSON.parse('not json')");
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assert!(err.is_err());
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}
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// -- JSON.stringify --
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#[test]
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fn json_stringify_object() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.stringify({a:1})").unwrap();
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assert!(result.is_string());
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let s = string_value(&vm, result);
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assert_eq!(s, "{\"a\":1}");
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}
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#[test]
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fn json_stringify_array() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.stringify([1,2,3])").unwrap();
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assert!(result.is_string());
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let s = string_value(&vm, result);
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assert_eq!(s, "[1,2,3]");
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}
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#[test]
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fn json_stringify_array_with_negative_double() {
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// 数组内负 double：out 已含 "[1,"，负号必须追加在当前数前（ryu 路径）。
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.stringify([1,-1.5])").unwrap();
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assert!(result.is_string());
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let s = string_value(&vm, result);
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assert_eq!(s, "[1,-1.5]");
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}
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#[test]
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fn json_stringify_string() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.stringify('hello')").unwrap();
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assert!(result.is_string());
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let s = string_value(&vm, result);
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assert_eq!(s, "\"hello\"");
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}
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#[test]
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fn json_stringify_number() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.stringify(42)").unwrap();
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assert!(result.is_string());
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let s = string_value(&vm, result);
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assert_eq!(s, "42");
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}
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#[test]
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fn json_stringify_float() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.stringify(3.14)").unwrap();
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assert!(result.is_string());
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let s = string_value(&vm, result);
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assert!(s.starts_with("3.14"));
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}
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#[test]
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fn json_stringify_true() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.stringify(true)").unwrap();
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assert!(result.is_string());
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let s = string_value(&vm, result);
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assert_eq!(s, "true");
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}
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#[test]
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fn json_stringify_false() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.stringify(false)").unwrap();
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assert!(result.is_string());
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let s = string_value(&vm, result);
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assert_eq!(s, "false");
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}
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#[test]
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fn json_stringify_null() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.stringify(null)").unwrap();
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assert!(result.is_string());
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let s = string_value(&vm, result);
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assert_eq!(s, "null");
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}
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#[test]
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fn json_stringify_undefined() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.stringify(undefined)").unwrap();
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assert!(result.is_undefined());
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}
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// -- Roundtrip --
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#[test]
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fn json_parse_stringify_roundtrip() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.parse(JSON.stringify({a:1,b:2}))").unwrap();
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assert!(result.is_object());
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let obj = unsafe { &*result.as_js_object_ptr() };
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assert_eq!(obj.prop_vec_len(), 2);
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}
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#[test]
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fn json_roundtrip_array() {
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let mut vm = Vm::new();
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let _ = eval(&mut vm, "var arr = JSON.parse(JSON.stringify([1,2,3])); arr").unwrap();
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}
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// -- Edge cases --
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#[test]
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fn json_stringify_empty_object() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.stringify({})").unwrap();
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assert!(result.is_string());
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let s = string_value(&vm, result);
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assert_eq!(s, "{}");
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}
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#[test]
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fn json_stringify_empty_array() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.stringify([])").unwrap();
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assert!(result.is_string());
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let s = string_value(&vm, result);
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assert_eq!(s, "[]");
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}
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#[test]
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fn json_stringify_escape_quotes() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.stringify('he\"llo')").unwrap();
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assert!(result.is_string());
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let s = string_value(&vm, result);
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assert_eq!(s, "\"he\\\"llo\"");
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}
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#[test]
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fn json_stringify_escape_backslash() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.stringify('a\\\\b')").unwrap();
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assert!(result.is_string());
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let s = string_value(&vm, result);
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assert_eq!(s, "\"a\\\\b\"");
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}
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#[test]
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fn json_stringify_nested_objects() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.stringify({a: {b: 1}})").unwrap();
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assert!(result.is_string());
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let s = string_value(&vm, result);
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assert_eq!(s, "{\"a\":{\"b\":1}}");
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}
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#[test]
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fn json_parse_empty_object() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.parse('{}')").unwrap();
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assert!(result.is_object());
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let obj = unsafe { &*result.as_js_object_ptr() };
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assert_eq!(obj.prop_vec_len(), 0);
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}
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#[test]
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fn json_parse_empty_array() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.parse('[]')").unwrap();
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assert!(result.is_object());
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let obj = unsafe { &*result.as_js_object_ptr() };
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assert!(obj.is_array());
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assert_eq!(obj.prop_vec_len(), 0);
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}
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#[test]
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fn json_parse_int_is_double() {
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.parse('123')").unwrap();
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assert!((result.as_double() - 123.0).abs() < 0.0001);
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}
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// -- Cycle detection --
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#[test]
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fn json_stringify_cycle_throws_type_error() {
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let mut vm = Vm::new();
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let err = eval(&mut vm, "var a = {}; a.self = a; JSON.stringify(a)");
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assert!(err.is_err());
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}
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// -- 数字键对象（P1-2 回归防线） --
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#[test]
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fn json_parse_numeric_object_key_reads_via_index() {
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// JSON 键 "5" 经字符串规范化映射整数键：o[5] 与 o["5"] 命中同一键。
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.parse('{\"5\":1}')[5]").unwrap();
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assert!((result.as_double() - 1.0).abs() < 0.0001);
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}
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#[test]
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fn json_parse_numeric_keys_do_not_clash_between_keys() {
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// 多个数字键各自独立：{"0":7,"2024":8} 的 0 与 2024 不互相覆盖。
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let mut vm = Vm::new();
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let result = eval(&mut vm, "var o = JSON.parse('{\"0\":7,\"2024\":8}'); o[0] + o[2024]").unwrap();
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assert!((result.as_double() - 15.0).abs() < 0.0001);
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}
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#[test]
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fn json_parse_numeric_keys_stringify_roundtrip() {
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// 数字键对象经 stringify 后键名保持 "5"（键字符串化语义）。
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let mut vm = Vm::new();
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let result = eval(&mut vm, "JSON.stringify(JSON.parse('{\"5\":1}'))").unwrap();
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let s = string_value(&vm, result);
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assert_eq!(s, "{\"5\":1}");
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}
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// -- JSON.stringify 单元语义（孤立 surrogate 转义 / 代理对原样 / 真实键串） --
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#[test]
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fn json_stringify_unpaired_surrogate_escaped() {
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// 非配对孤立 surrogate 输出 \uXXXX（well-formed JSON 要求）。
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let mut vm = Vm::new();
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let r1 = eval(&mut vm, "JSON.stringify(String.fromCharCode(0xD800)) === '\"\\\\ud800\"'").unwrap();
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assert!(r1.as_bool(), "unpaired high surrogate must be \\ud800-escaped");
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let r2 = eval(&mut vm, "JSON.stringify(String.fromCharCode(0xDF06)) === '\"\\\\udf06\"'").unwrap();
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assert!(r2.as_bool(), "unpaired low surrogate must be \\udf06-escaped");
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}
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#[test]
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fn json_stringify_surrogate_pair_raw() {
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// 配对 surrogate 原样输出 astral 字符；混串按 spec 逐单元处置。
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let mut vm = Vm::new();
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let r1 = eval(&mut vm, "JSON.stringify(String.fromCharCode(0xD834, 0xDF06)) === '\"\\u{1D306}\"'").unwrap();
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assert!(r1.as_bool(), "paired surrogates must serialize as the raw astral char");
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let r2 = eval(
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&mut vm,
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"JSON.stringify(String.fromCharCode(0xD834, 0xD834, 0xDF06, 0xD834)) === '\"\\\\ud834\\u{1D306}\\\\ud834\"'",
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)
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.unwrap();
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assert!(r2.as_bool(), "unpaired units around a pair must each be escaped");
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}
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#[test]
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fn json_stringify_key_units_real() {
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// 键序列化用真实键串（孤立 surrogate 转义），toJSON/replacer 键参数同口径。
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let mut vm = Vm::new();
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let r1 = eval(
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&mut vm,
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"var o = {}; o[String.fromCharCode(0xD800)] = 1; JSON.stringify(o) === '{\"\\\\ud800\":1}'",
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)
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.unwrap();
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assert!(r1.as_bool(), "object key with lone surrogate must serialize escaped");
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let r2 = eval(
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&mut vm,
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"var ks = []; JSON.stringify({[String.fromCharCode(0xD800)]: 1}, function(k, v) { if (k !== '') ks.push(k.charCodeAt(0)); return v; }); ks.length === 1 && ks[0] === 0xD800",
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)
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.unwrap();
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assert!(r2.as_bool(), "replacer must receive the real key string (lone unit, not FFFD)");
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let r3 = eval(
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&mut vm,
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"var tk = -1; var inner = { toJSON: function(k) { tk = k.charCodeAt(0); return 'x'; } }; var outer = {}; outer[String.fromCharCode(0xD800)] = inner; JSON.stringify(outer); tk === 0xD800",
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)
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.unwrap();
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assert!(r3.as_bool(), "toJSON must receive the real key string (lone unit, not FFFD)");
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}
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