Function TestBridgeCreateClassInstanceFailures

bridge_test.go:1797–1833

NEW TEST FOR SCHEME C: Test CreateClassInstance failure scenarios

(t *testing.T)

// NEW TEST FOR SCHEME C: Test CreateClassInstance failure scenarios
func TestBridgeCreateClassInstanceFailures(t *testing.T) {
	t.Run("CreateClassInstance_CException", func(t *testing.T) {
		rt := NewRuntime()
		defer rt.Close()
		ctx := rt.NewContext()
		defer ctx.Close()

		// Create class
		constructor, originalClassID := NewClassBuilder("TestClass").
			Constructor(func(ctx *Context, instance *Value, args []*Value) (interface{}, error) {
				return &Point{X: 1, Y: 2}, nil
			}).
			Build(ctx)
		require.False(t, constructor.IsException())

		ctx.Globals().Set("TestClass", constructor)

		// Replace with invalid class ID to trigger JS_NewObjectProtoClass failure
		constructorKey := jsValueToKey(constructor.ref)
		ctx.runtime.constructorRegistry.Store(constructorKey, uint32(999999))

		// This should trigger CreateClassInstance to return JS_EXCEPTION
		result := ctx.Eval(`new TestClass()`)
		defer result.Free()

		// Restore for cleanup
		ctx.runtime.constructorRegistry.Store(constructorKey, originalClassID)

		// Should get an error
		if result.IsException() {
			err := ctx.Exception()
			t.Logf("Expected exception from CreateClassInstance: %v", err)
		}

		t.Log("Successfully triggered CreateClassInstance JS_EXCEPTION branch")
	})
}