test: 拆分 VM 测试并新增多项测试

crates/oxide_vm/tests/object_tests.rs

@@ -0,0 +1,44 @@
+use oxide_compiler::compiler::Compiler;
+use oxide_parser::Allocator;
+use oxide_vm::vm::Vm;
+
+fn eval(source: &str) -> String {
+    let allocator = Allocator::default();
+    let program = match oxide_parser::parse(&allocator, source) {
+        Ok(p) => p,
+        Err(e) => return format!("parse error: {}", e[0].message),
+    };
+    let module = match Compiler::new().compile(&program) {
+        Ok(m) => m,
+        Err(e) => return format!("compile error: {e}"),
+    };
+    let mut vm = Vm::new();
+    match vm.run(&module) {
+        Ok(result) => format!("{result}"),
+        Err(e) => format!("vm error: {e}"),
+    }
+}
+
+#[test]
+fn object_create_and_read() {
+    let allocator = Allocator::default();
+    let source = "({a:1})";
+    let program = oxide_parser::parse(&allocator, source).expect("parse failed");
+    let module = Compiler::new().compile(&program).expect("compile failed");
+    let mut vm = Vm::new();
+    let obj = vm.run(&module).expect("vm run failed");
+    assert!(obj.is_object());
+    let obj_ref = unsafe { &*obj.as_js_object_ptr() };
+    assert_eq!(obj_ref.prop_count(), 1, "object should have 1 property");
+    assert!(obj_ref.get_inline_prop(0).is_int());
+}
+
+#[test]
+fn eval_object_property_read() {
+    assert_eq!(eval("({a:1,b:2}).b"), "2");
+}
+
+#[test]
+fn eval_object_missing_property() {
+    assert_eq!(eval("({a:1}).b"), "undefined");
+}