Xcode 单元测试

typedefNS_ENUM(NSUInteger, _XCTAssertionType) {
    _XCTAssertion_Fail,
    _XCTAssertion_Nil,
    _XCTAssertion_NotNil,
    _XCTAssertion_EqualObjects,
    _XCTAssertion_NotEqualObjects,
    _XCTAssertion_Equal,
    _XCTAssertion_NotEqual,
    _XCTAssertion_EqualWithAccuracy,
    _XCTAssertion_NotEqualWithAccuracy,
    _XCTAssertion_GreaterThan,
    _XCTAssertion_GreaterThanOrEqual,
    _XCTAssertion_LessThan,
    _XCTAssertion_LessThanOrEqual,
    _XCTAssertion_True,
    _XCTAssertion_False,
    _XCTAssertion_Throws,
    _XCTAssertion_ThrowsSpecific,
    _XCTAssertion_ThrowsSpecificNamed,
    _XCTAssertion_NoThrow,
    _XCTAssertion_NoThrowSpecific,
    _XCTAssertion_NoThrowSpecificNamed,
};