test case 2

Author: LiyemaMfengwana

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

@@ -8,3 +8,38 @@ const isProperFraction = require("../implement/2-is-proper-fraction");
 test(`should return false when denominator is zero`, () => {
   expect(isProperFraction(1, 0)).toEqual(false);
 });
+
+//
+
+// This statement loads the isProperFraction function
+const isProperFraction = require("../implement/2-is-proper-fraction");
+
+// Case 1: denominator is zero
+test(`should return false when denominator is zero`, () => {
+  expect(isProperFraction(1, 0)).toEqual(false);
+});
+
+// Case 2: numerator is zero
+test(`should return true when numerator is zero and denominator is non-zero`, () => {
+  expect(isProperFraction(0, 5)).toEqual(true);
+});
+
+// Case 3: positive proper fractions
+test(`should return true for positive proper fractions`, () => {
+  expect(isProperFraction(1, 2)).toEqual(true);
+  expect(isProperFraction(3, 4)).toEqual(true);
+});
+
+// Case 4: positive improper fractions
+test(`should return false when numerator is equal or greater`, () => {
+  expect(isProperFraction(5, 5)).toEqual(false);
+  expect(isProperFraction(7, 4)).toEqual(false);
+});
+
+// Case 5: negative fractions
+test(`should correctly handle negative values`, () => {
+  expect(isProperFraction(-1, 3)).toEqual(true);
+  expect(isProperFraction(-5, 2)).toEqual(false);
+  expect(isProperFraction(1, -3)).toEqual(true);
+  expect(isProperFraction(-1, -2)).toEqual(true);
+});