Function TestPropertyVsAccessorBehavior

class_test.go:596–678

NEW: TestPropertyVsAccessorBehavior tests the behavioral differences between Properties and Accessors

(t *testing.T)

// NEW: TestPropertyVsAccessorBehavior tests the behavioral differences between Properties and Accessors
func TestPropertyVsAccessorBehavior(t *testing.T) {
	rt := NewRuntime()
	defer rt.Close()

	context := rt.NewContext()
	defer context.Close()

	// Create and register Point class
	pointConstructor, _ := createPointClass(context)
	if pointConstructor.IsException() {
		defer pointConstructor.Free()
		err := context.Exception()
		t.Fatalf("Failed to create Point class: %v", err)
	}

	// Register Point class globally
	context.Globals().Set("Point", pointConstructor)

	// Test behavioral differences between properties and accessors
	result := context.Eval(`
        let p = new Point(5, 10);
        
        // Test property behavior (direct data storage)
        let originalVersion = p.version;
        p.version = "2.0.0";  // Direct assignment to property
        let newVersion = p.version;
        
        // Test accessor behavior (function calls)
        let originalX = p.x;
        p.x = 15;  // Calls setter function
        let newX = p.x;  // Calls getter function
        
        // Test property descriptor differences
        let versionDesc = Object.getOwnPropertyDescriptor(p, 'version');
        let xDesc = Object.getOwnPropertyDescriptor(Object.getPrototypeOf(p), 'x');
        
        [
            originalVersion,      // "1.0.0"
            newVersion,          // "2.0.0" (direct property assignment)
            originalX,           // 5 (from constructor)
            newX,               // 15 (from setter)
            typeof versionDesc.value,   // "string" (data property has value)
            typeof versionDesc.get,     // "undefined" (data property has no getter)
            typeof xDesc.value,         // "undefined" (accessor has no value)
            typeof xDesc.get           // "function" (accessor has getter)
        ];
    `)
	defer result.Free()
	if result.IsException() {
		err := context.Exception()
		t.Fatalf("Failed to evaluate property vs accessor behavior: %v", err)
	}

	// Check property behavior (direct data storage)
	if result.GetIdx(0).ToString() != "1.0.0" { // Updated: Use ToString()
		t.Errorf("Expected original version '1.0.0', got '%s'", result.GetIdx(0).ToString())
	}
	if result.GetIdx(1).ToString() != "2.0.0" { // Updated: Use ToString()