عائلة XCTAssert والتأكيدات التي تطلق الأخطاء

XCTAssert وXCTAssertTrue

XCTAssert(user.isLoggedIn)
XCTAssertTrue(cart.isEmpty, "Cart should be empty after clear()")

XCTAssertFalse

XCTAssertFalse(session.isExpired, "Fresh session should not be expired")

XCTAssertEqual

XCTAssertEqual(calculator.add(2, 3), 5)
XCTAssertEqual(user.name, "Alice", "Name should match the fixture")

XCTAssertNotEqual

XCTAssertNotEqual(originalHash, updatedHash)

XCTAssertNil وXCTAssertNotNil

XCTAssertNil(service.error, "No error expected after successful fetch")
XCTAssertNotNil(result, "Result should be non-nil on success")

XCTAssertThrowsError

XCTAssertThrowsError(try parser.parse("invalid json")) { error in
  XCTAssertEqual(error as? ParseError, .invalidInput)
}

XCTAssertNoThrow

XCTAssertNoThrow(try parser.parse(validJSON))

XCTUnwrap

let user = try XCTUnwrap(service.currentUser)
XCTAssertEqual(user.name, "Bob")

XCTAssertEqual مع الدقة

XCTAssertEqual(result, 3.14159, accuracy: 0.0001)

رسائل فشل مخصصة

XCTAssertEqual(items.count, 3, "Expected 3 items after insert, got \(items.count)")

XCTExpectFailure

XCTExpectFailure("Known issue: rdar://12345") {
  XCTAssertEqual(brokenFunction(), expectedValue)
}

تحقق سريع

مراجعة الدرس