????2???? Studen???? Test.m?????????
- (void)testExample
{
//???????????????????????Щ?????
Student *stu1 = [Student new];
Student *stu2 = [Student new];
stu1.name = @"Mike";
stu1.age = 18;
stu1.isBoy = YES;
stu2.name = @"Lisa";
stu2.age = 18;
stu2.isBoy = NO;
//???? ???? nil
Student *stu3 = [Student new];
stu3.isBoy = YES;
//???????nil???????????????????????log
XCTAssertNotNil(stu3.name?? @"???3??????????????");
}

????3??XCTAssertTrue??XCTAssertFalse

????4??XCTAssertEqual???

????5???????????????????? ???????? XCTestCase; ????????????????? - (void)test ???? test??????????д??? ??????????????????

????????????????

????6:???й??? TDD ?????????????????????