London | 26-ITP-May | Tomislav Dukez | Sprint 3 | Stretch#1454
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| // Check if the card number is a positive integer. | ||
| if (typeof cardNumber !== "number" || cardNumber < 0) { | ||
| return false; | ||
| } |
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Note:
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To check if a value is in integer,
Number.isInteger()is better. -
Credit card numbers typically have 16 digits, but not all 16-digit integers can be safely represented as a number in JS -- many numbers larger than
Number.MAX_SAFE_INTEGERcannot be represented properly. For example,9007199254740993. Normally, card numbers are represented as strings.
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| test("password has at least one English lowercase letter (a-z)", () => { | ||
| // Arrange | ||
| const password = "1234Aa%"; | ||
| // Act | ||
| const result = isValidPassword(password); | ||
| // Assert | ||
| expect(result).toEqual(true); | ||
| }); |
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One check for valid case is probably enough. Besides, having a lowercase letter (or digit, etc.) does not necessary make a password valid.
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Your tests for invalid cases are comprehensive. Well done.
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Changes look good. Well done. |
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Thank you CJ for your time. |
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findpassword validatorcard validator