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Gislaine Della Bella| 25-ITP- SEP | Gislaine Della Bella | Sprint 3 | Implement-and-rewrite-tests #788
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Gislaine Della Bella| 25-ITP- SEP | Gislaine Della Bella | Sprint 3 | Implement-and-rewrite-tests #788
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| Original file line number | Diff line number | Diff line change |
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@@ -9,7 +9,10 @@ | |
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| function isProperFraction(numerator, denominator) { | ||
| if (numerator < denominator) { | ||
| return true; | ||
| return true ; | ||
| } | ||
| else { | ||
| return false; | ||
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. According to the definition of proper fraction in mathematics:
Can you look up the definition of proper fraction and update your function accordingly? |
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| } | ||
| } | ||
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@@ -38,22 +41,29 @@ assertEquals(properFraction, true); | |
| // Input: numerator = 5, denominator = 2 | ||
| // target output: false | ||
| // Explanation: The fraction 5/2 is an improper fraction, where the numerator is greater than or equal to the denominator. The function should return false. | ||
| const improperFraction = isProperFraction(5, 2); | ||
| assertEquals(improperFraction, false); | ||
| const properFraction2 = isProperFraction(5, 2); | ||
| assertEquals(properFraction2, false); | ||
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| // Negative Fraction check: | ||
| // Input: numerator = -4, denominator = 7 | ||
| // target output: true | ||
| // Explanation: The fraction -4/7 is a proper fraction because the absolute value of the numerator (4) is less than the denominator (7). The function should return true. | ||
| const negativeFraction = isProperFraction(-4, 7); | ||
| assertEquals(negativeFraction, true); | ||
| // ====> complete with your assertion | ||
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| // Equal Numerator and Denominator check: | ||
| // Input: numerator = 3, denominator = 3 | ||
| // target output: false | ||
| // Explanation: The fraction 3/3 is not a proper fraction because the numerator is equal to the denominator. The function should return false. | ||
| const equalFraction = isProperFraction(3, 3); | ||
| // ====> complete with your assertion | ||
| assertEquals(equalFraction, false); | ||
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| // Stretch: | ||
| // What other scenarios could you test for? | ||
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| const properFraction3 = isProperFraction(0, 6); | ||
| assertEquals(properFraction3,true) | ||
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| const properFraction4 = isProperFraction(0, 1); | ||
| assertEquals(properFraction4, true); | ||
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@@ -8,8 +8,15 @@ | |
| // write one test at a time, and make it pass, build your solution up methodically | ||
| // just make one change at a time -- don't rush -- programmers are deep and careful thinkers | ||
| function getCardValue(card) { | ||
| let rank = card.substring(0, card.length - 1); | ||
| if (rank === "A") { | ||
| return 11; | ||
| } else if (rank === "J" || rank === "Q" || rank === "K" || rank === "10") { | ||
| return 10; | ||
| } else if (rank >= "2" && rank <= "9") { | ||
| return parseInt(rank); | ||
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Does your function return the value or behave the way you expected from each of the following function calls? |
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| } else { | ||
| throw new Error("Invalid card rank."); | ||
| } | ||
| } | ||
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@@ -39,19 +46,30 @@ assertEquals(aceofSpades, 11); | |
| // When the function is called with such a card, | ||
| // Then it should return the numeric value corresponding to the rank (e.g., "5" should return 5). | ||
| const fiveofHearts = getCardValue("5♥"); | ||
| assertEquals(fiveofHearts, 5); | ||
| // ====> write your test here, and then add a line to pass the test in the function above | ||
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| // Handle Face Cards (J, Q, K): | ||
| // Given a card with a rank of "10," "J," "Q," or "K", | ||
| // When the function is called with such a card, | ||
| // Then it should return the value 10, as these cards are worth 10 points each in blackjack. | ||
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| const tenOfSpades = getCardValue("10♠"); | ||
| assertEquals(tenOfSpades, 10); | ||
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| // Handle Ace (A): | ||
| // Given a card with a rank of "A", | ||
| // When the function is called with an Ace, | ||
| // Then it should, by default, assume the Ace is worth 11 points, which is a common rule in blackjack. | ||
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| const aceofHearts = getCardValue("A♠"); | ||
| assertEquals(aceofSpades, 11); | ||
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| // Handle Invalid Cards: | ||
| // Given a card with an invalid rank (neither a number nor a recognized face card), | ||
| // When the function is called with such a card, | ||
| // Then it should throw an error indicating "Invalid card rank." | ||
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| const invalidCard = getCardValue("87"); | ||
| assertEquals(invalidCard, "Invalid card rank"); | ||
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@@ -12,15 +12,34 @@ test("should identify right angle (90°)", () => { | |
| // Case 2: Identify Acute Angles: | ||
| // When the angle is less than 90 degrees, | ||
| // Then the function should return "Acute angle" | ||
| //else if (angle < 90) { | ||
| //return "Acute angle"; | ||
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| test("returns Acute angle for values less than 90 degrees",() =>{ | ||
| expect(getAngleType(45)).toEqual("Acute angle"); | ||
| }); | ||
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| // Case 3: Identify Obtuse Angles: | ||
| // When the angle is greater than 90 degrees and less than 180 degrees, | ||
| // Then the function should return "Obtuse angle" | ||
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| test("returns Obtuse angle for values greater than 90 degrees and less than 180 degrees",()=>{ | ||
| expect(getAngleType(120)).toEqual("Obtuse angle"); | ||
| }); | ||
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| // Case 4: Identify Straight Angles: | ||
| // When the angle is exactly 180 degrees, | ||
| // Then the function should return "Straight angle" | ||
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| test("returns Straight angle for angle === 180",() =>{ | ||
| expect(getAngleType(180)).toEqual("Straight angle"); | ||
| }); | ||
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| // Case 5: Identify Reflex Angles: | ||
| // When the angle is greater than 180 degrees and less than 360 degrees, | ||
| // Then the function should return "Reflex angle" | ||
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| test("returns Reflex angle for angles > 180 && angle < 360",() =>{ | ||
| expect(getAngleType(290)).toEqual("Reflex angle"); | ||
| }); | ||
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Indentation is not very consistent. |
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@@ -8,6 +8,28 @@ test("should return true for a proper fraction", () => { | |
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| // Case 2: Identify Improper Fractions: | ||
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| test("it is a Improper Fraction",() =>{ | ||
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. The test description is not quite informative; it does not describe what the function should return or behave when the input represents an improper fraction. Ideally, the description should help a developer figure out how to implement a function to pass all the tests. |
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| expect(isProperFraction(3, 2)).toEqual(false); | ||
| }); | ||
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| // Case 3: Identify Negative Fractions: | ||
| test("it is a Negative Fraction",() =>{ | ||
| expect(isProperFraction(-2, 6)).toEqual(true); | ||
| }); | ||
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| // Case 4: Identify Equal Numerator and Denominator: | ||
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| test("It is a equal numerator and denominador", () =>{ | ||
| expect(isProperFraction( 2, 2)).toEqual(false); | ||
| }); | ||
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| // function isProperFraction(numerator, denominator) { | ||
| // if (numerator < denominator) { | ||
| // return true ; | ||
| // } | ||
| // else { | ||
| // return false; | ||
| // } | ||
| // } | ||
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@@ -8,6 +8,24 @@ test("should return 11 for Ace of Spades", () => { | |
| }); | ||
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| // Case 2: Handle Number Cards (2-10): | ||
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| test("should return number cards", () => { | ||
| const fiveofHearts = getCardValue("5♥"); | ||
| expect(fiveofHearts).toEqual(5); | ||
| }); | ||
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Here's an example of how we can specify a test for number cards. Note: We could test multiple samples within each test to make the test more comprehensive. |
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| // Case 3: Handle Face Cards (J, Q, K): | ||
| test ("should return Face Cards J, Q, K ", () =>{ | ||
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. What should the function return when the input represents a face card? |
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| const jackOfClubs = getCardValue("J♣"); | ||
| expect(jackOfClubs).toEqual(10); | ||
| }); | ||
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| // Case 4: Handle Ace (A): | ||
| test ("should return Ace", () =>{ | ||
| const aceofHearts = getCardValue("A♥"); | ||
| expect(aceofHearts).toEqual(11); | ||
| }); | ||
| // Case 5: Handle Invalid Cards: | ||
| test("should throw 'Invalid card rank' for a rank of '1'", () => { | ||
| expect(() => getCardValue("1♦")).toThrow("Invalid card rank."); | ||
| }); | ||
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Both the
elsekeyword and checkingangle > 90are optional.Can you figure out why?