fraction function tested with jest

Author: zilinskyte

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

@@ -7,7 +7,16 @@ test("should return true for a proper fraction", () => {
 });
 
 // Case 2: Identify Improper Fractions:
+test("should return false for an improper fraction", () => {
+  expect(isProperFraction(5, 4)).toEqual(false);
+});
 
 // Case 3: Identify Negative Fractions:
+test("should return false for a negative fraction", () => {
+  expect(isProperFraction(-3, 4)).toEqual(true);
+});
 
 // Case 4: Identify Equal Numerator and Denominator:
+test("should return false for equal numerator and denominator", () => {
+  expect(isProperFraction(3, 3)).toEqual(false);
+});