feat: 支持 Date/Map/Set 成员方法

crates/oxide_vm/tests/builtins_date_tests.rs

@@ -0,0 +1,45 @@
+use oxide_compiler::compiler::Compiler;
+use oxide_vm::vm::Vm;
+
+fn eval(vm: &mut Vm, source: &str) -> Result<oxide_types::value::JsValue, String> {
+    let allocator = oxide_parser::Allocator::default();
+    let program =
+        oxide_parser::parse(&allocator, source).map_err(|e| format!("Parse error: {:?}", e))?;
+    let module = Compiler::new()
+        .compile(&program)
+        .map_err(|e| format!("Compile error: {}", e))?;
+    vm.run(&module)
+}
+
+#[test]
+fn date_now_returns_number() {
+    let mut vm = Vm::new();
+    let result = eval(&mut vm, "Date.now()").unwrap();
+    assert!(result.is_double());
+    assert!(result.as_double() > 0.0);
+}
+
+#[test]
+fn date_now_increases() {
+    let mut vm = Vm::new();
+    let t1 = eval(&mut vm, "Date.now()").unwrap().as_double();
+    let t2 = eval(&mut vm, "Date.now()").unwrap().as_double();
+    assert!(t2 >= t1);
+}
+
+#[test]
+fn date_parse_returns_nan() {
+    let mut vm = Vm::new();
+    let result = eval(&mut vm, "Date.parse('invalid-date')").unwrap();
+    assert!(result.is_double());
+    assert!(result.as_double().is_nan());
+}
+
+#[test]
+fn date_parse_iso_format() {
+    let mut vm = Vm::new();
+    let result = eval(&mut vm, "Date.parse('2020-01-15')").unwrap();
+    assert!(result.is_double());
+    assert!(!result.as_double().is_nan());
+    assert!(result.as_double() > 0.0);
+}