commit

Author: pathywang

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

@@ -4,7 +4,31 @@ 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
+/// Special case: denominator is zero
 test(`should return false when denominator is zero`, () => {
   expect(isProperFraction(1, 0)).toEqual(false);
 });
+
+//case:absolute numerator is bigger than absolute denominator
+test ('should return false when numerator absolute is bigger than denominator absolute',() => {
+  expect(isProperFraction(5, -4)).toEqual(false);
+})
+
+//case:numerator is the same as denominator
+test('should return false if numerator is the same as denominator', () =>{
+  expect(isProperFraction(-9,-9)).toEqual(false)
+})
+
+//case: absolute numerator is less than absolute denominator
+test ('should return true when numerator absolute is less than denominator absolute',() => {
+  expect(isProperFraction(3,-8)).toEqual(true);
+})
+
+//case: numerator is zero
+test(`should return true when nominator is zero`, () => {
+  expect(isProperFraction(0,-3)).toEqual(true);
+});
+
+
+
+