added two test cases for implement

Author: Abayie

Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/2-is-proper-fraction.test.js

@@ -1,13 +1,23 @@
-// This statement loads the isProperFraction function you wrote in the implement directory.
-// We will use the same function, but write tests for it using Jest in this file.
 const isProperFraction = require("../implement/2-is-proper-fraction");
 
 test("should return true for a proper fraction", () => {
   expect(isProperFraction(2, 3)).toEqual(true);
 });
 
 // Case 2: Identify Improper Fractions:
+test("should return false for improper fractions (numerator >= denominator)", () => {
+  expect(isProperFraction(5, 2)).toEqual(false);  // 5/2
+  expect(isProperFraction(7, 3)).toEqual(false);  // 7/3
+});
 
 // Case 3: Identify Negative Fractions:
+test("should correctly handle negative fractions using absolute value of numerator", () => {
+  expect(isProperFraction(-4, 7)).toEqual(true);  // |−4| < 7 → proper
+  expect(isProperFraction(-5, 2)).toEqual(false); // |−5| >= 2 → improper
+});
 
 // Case 4: Identify Equal Numerator and Denominator:
+test("should return false when numerator equals denominator", () => {
+  expect(isProperFraction(3, 3)).toEqual(false);  // 3/3
+  expect(isProperFraction(-6, -6)).toEqual(false); // -6/-6
+});

Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/3-get-card-value.test.js

@@ -1,13 +1,37 @@
 // This statement loads the getCardValue function you wrote in the implement directory.
-// We will use the same function, but write tests for it using Jest in this file.
 const getCardValue = require("../implement/3-get-card-value");
 
+// Case 1: Ace
 test("should return 11 for Ace of Spades", () => {
   const aceofSpades = getCardValue("A♠");
   expect(aceofSpades).toEqual(11);
 });
 
-// Case 2: Handle Number Cards (2-10):
-// Case 3: Handle Face Cards (J, Q, K):
-// Case 4: Handle Ace (A):
-// Case 5: Handle Invalid Cards:
+// Case 2: Handle Number Cards (2–10)
+test("should return numeric value for number cards 2–10", () => {
+  expect(getCardValue("2♥")).toEqual(2);
+  expect(getCardValue("7♦")).toEqual(7);
+  expect(getCardValue("9♣")).toEqual(9);
+  expect(getCardValue("10♠")).toEqual(10);
+});
+
+// Case 3: Handle Face Cards (J, Q, K)
+test("should return 10 for face cards J, Q, K", () => {
+  expect(getCardValue("J♠")).toEqual(10);
+  expect(getCardValue("Q♦")).toEqual(10);
+  expect(getCardValue("K♥")).toEqual(10);
+});
+
+// Case 4: Handle Ace (A)
+test("should return 11 for any Ace", () => {
+  expect(getCardValue("A♣")).toEqual(11);
+  expect(getCardValue("A♦")).toEqual(11);
+  expect(getCardValue("A♥")).toEqual(11);
+});
+
+// Case 5: Handle Invalid Cards
+test("should throw an error for invalid card rank", () => {
+  expect(() => getCardValue("Z♠")).toThrow("Invalid card rank");
+  expect(() => getCardValue("1♦")).toThrow("Invalid card rank");
+  expect(() => getCardValue("XY")).toThrow("Invalid card rank");
+});