test/native_objc_test/native_objc_test.dart

// Copyright (c) 2022, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

// Objective C support is only available on mac.
@TestOn('mac-os')

import 'dart:ffi';
import 'dart:io';

import 'package:test/test.dart';
import '../test_utils.dart';
import 'native_objc_test_bindings.dart';
import 'util.dart';

void main() {
  late NativeObjCLibrary lib;
  group('native_objc_test', () {
    setUpAll(() {
      logWarnings();
      final dylib = File('test/native_objc_test/native_objc_test.dylib');
      verifySetupFile(dylib);
      lib = NativeObjCLibrary(DynamicLibrary.open(dylib.absolute.path));
      generateBindingsForCoverage('native_objc');
    });

    test('Basic types', () {
      final foo = Foo.new1(lib);
      final obj = NSObject.new1(lib);

      foo.intVal = 123;
      expect(foo.intVal, 123);

      foo.boolVal = true;
      expect(foo.boolVal, true);

      foo.idVal = obj;
      expect(foo.idVal, obj);

      foo.selVal = Pointer<ObjCSel>.fromAddress(456);
      expect(foo.selVal.address, 456);

      foo.classVal = obj;
      expect(foo.classVal, obj);
    });

    test('Interface basics, with Foo', () {
      final foo1 = Foo.makeFoo_(lib, 3.14159);
      final foo2 = Foo.makeFoo_(lib, 2.71828);

      expect(foo1.intVal, 3);
      expect(foo2.intVal, 2);

      expect(foo1.multiply_withOtherFoo_(false, foo2), 8);
      expect(foo1.multiply_withOtherFoo_(true, foo2), 6);

      foo1.intVal = 100;
      expect(foo1.multiply_withOtherFoo_(false, foo2), 8);
      expect(foo1.multiply_withOtherFoo_(true, foo2), 200);

      foo2.setDoubleVal_(1.61803);
      expect(foo1.multiply_withOtherFoo_(false, foo2), 5);
      expect(foo1.multiply_withOtherFoo_(true, foo2), 200);
    });
  });
}