complete jest test

Author: shirinpanahian

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

@@ -6,3 +6,44 @@ import { isProperFraction } from "../implement/2-is-proper-fraction.js";
 test(`should return false when denominator is zero`, () => {
   expect(isProperFraction(1, 0)).toEqual(false);
 });
+
+test(`should return true when numerator is smaller than denominator `, () => {
+  expect(isProperFraction(3, 5)).toEqual(true);
+});
+
+test(`should return false when numerator is bigger than denominator `, () => {
+  expect(isProperFraction(6, 2)).toEqual(false);
+});
+
+test(`should return true when numerator is zero`, () => {
+  expect(isProperFraction(0, 2)).toEqual(true);
+});
+
+test(`should return true when numerator is negative ans smaller`, () => {
+  expect(isProperFraction(-4, 6)).toEqual(true);
+});
+
+test(`should return false when numerator is negative ans bigger`, () => {
+  expect(isProperFraction(-8, 6)).toEqual(false);
+});
+
+test(`should return true when denominator is negative and bigger`, () => {
+  expect(isProperFraction(2, -5)).toEqual(true);
+});
+
+test(`should return false when denominator is negative ans smaller`, () => {
+  expect(isProperFraction(4, -3)).toEqual(false);
+});
+
+test(`should return correct answer when both is negative`, () => {
+  expect(isProperFraction(-4, -3)).toEqual(false);
+  expect(isProperFraction(-1, -3)).toEqual(true);
+});
+
+test(`should return true answer when Zero numerator and negative denominator`, () => {
+  expect(isProperFraction(0, -3)).toEqual(true);
+});
+
+test(`should return false when both are zero`, () => {
+  expect(isProperFraction(0, 0)).toEqual(false);
+});