completed sprint 3 task 2 exercise 1 and 2

made some changes to the implement proper fraction

Author: burhan-mustafa

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

@@ -12,7 +12,8 @@
 
 function isProperFraction(numerator, denominator) {
   switch (true) {
-    case Math.abs(numerator / denominator) < 1:
+    case Math.abs(numerator / denominator) < 1 &&
+      Math.abs(numerator / denominator) > 0:
       return true;
     default:
       return false;

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

@@ -5,6 +5,30 @@ const isProperFraction = require("../implement/2-is-proper-fraction");
 // TODO: Write tests in Jest syntax to cover all combinations of positives, negatives, zeros, and other categories.
 
 // Special case: numerator is zero
-test(`should return false when denominator is zero`, () => {
+test(`should return FALSE when denominator is zero`, () => {
   expect(isProperFraction(1, 0)).toEqual(false);
 });
+
+test("should return FALSE when numerator is zero", () => {
+  expect(isProperFraction(0, 5)).toEqual(false);
+});
+
+test("should return TRUE when numerator is negative and smaller than denominator", () => {
+  expect(isProperFraction(-1, 7)).toEqual(true);
+});
+
+test("should return TRUE when denominator is negative AND bigger than numerator", () => {
+  expect(isProperFraction(1, -7)).toEqual(true);
+});
+
+test("should return FALSE when numerator > denominator ", () => {
+  expect(isProperFraction(9, 7)).toEqual(false);
+});
+
+test("should return TRUE when numerator < denominator ", () => {
+  expect(isProperFraction(4, 7)).toEqual(true);
+});
+
+test("should return TRUE when numerator AND denominator are negative values and the denominator is bigger than numerator", () => {
+  expect(isProperFraction(-4, -7)).toEqual(true);
+});

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

@@ -17,4 +17,3 @@ test(`Should return 11 when given an ace card`, () => {
 // To learn how to test whether a function throws an error as expected in Jest,
 // please refer to the Jest documentation:
 // https://jestjs.io/docs/expect#tothrowerror
-