feat: 支持 Number 对象及成员方法并修复属性溢出崩溃问题

crates/oxide_vm/tests/builtins_number_tests.rs

@@ -0,0 +1,100 @@
+use oxide_compiler::compiler::Compiler;
+use oxide_types::value::JsValue;
+use oxide_vm::vm::Vm;
+
+fn eval(vm: &mut Vm, source: &str) -> Result<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 number_is_nan_with_nan() {
+    let mut vm = Vm::new();
+    let result = eval(&mut vm, "Number.isNaN(NaN)").unwrap();
+    assert!(result.as_bool());
+}
+
+#[test]
+fn number_is_nan_with_number() {
+    let mut vm = Vm::new();
+    let result = eval(&mut vm, "Number.isNaN(42)").unwrap();
+    assert!(!result.as_bool());
+}
+
+#[test]
+fn number_is_finite_with_number() {
+    let mut vm = Vm::new();
+    let result = eval(&mut vm, "Number.isFinite(42)").unwrap();
+    assert!(result.as_bool());
+}
+
+#[test]
+fn number_is_finite_with_infinity() {
+    let mut vm = Vm::new();
+    let result = eval(&mut vm, "Number.isFinite(1/0)").unwrap();
+    assert!(!result.as_bool());
+}
+
+#[test]
+fn parse_int_decimal() {
+    let mut vm = Vm::new();
+    let result = eval(&mut vm, "parseInt('42')").unwrap();
+    assert_eq!(result.as_int(), 42);
+}
+
+#[test]
+fn parse_int_hex() {
+    let mut vm = Vm::new();
+    let result = eval(&mut vm, "parseInt('0xFF')").unwrap();
+    assert_eq!(result.as_int(), 255);
+}
+
+#[test]
+fn parse_float_decimal() {
+    let mut vm = Vm::new();
+    let result = eval(&mut vm, "parseFloat('3.14')").unwrap();
+    assert!((result.as_double() - 3.14).abs() < 0.001);
+}
+
+#[test]
+fn parse_float_invalid() {
+    let mut vm = Vm::new();
+    let result = eval(&mut vm, "parseFloat('abc')").unwrap();
+    assert!(result.as_double().is_nan());
+}
+
+#[test]
+fn number_constructor() {
+    let mut vm = Vm::new();
+    let result = eval(&mut vm, "Number('42')").unwrap();
+    assert_eq!(result.as_int(), 42);
+}
+
+#[test]
+fn to_string_of_number() {
+    let mut vm = Vm::new();
+    let result = eval(&mut vm, "var n = 42; n.toString()").unwrap();
+    let s = vm
+        .kernel()
+        .string_forge()
+        .lookup(result.as_string_index())
+        .unwrap_or_default();
+    assert_eq!(s, "42");
+}
+
+#[test]
+fn to_fixed_of_number() {
+    let mut vm = Vm::new();
+    let result = eval(&mut vm, "var n = 3.14159; n.toFixed(2)").unwrap();
+    let s = vm
+        .kernel()
+        .string_forge()
+        .lookup(result.as_string_index())
+        .unwrap_or_default();
+    assert_eq!(s, "3.14");
+}