Completed the rest the tests and cases

Author: ahmadehsas

Sprint-3/1-key-implement/2-is-proper-fraction.js

@@ -8,7 +8,9 @@
 // write one test at a time, and make it pass, build your solution up methodically
 
 function isProperFraction(numerator, denominator) {
-    if (numerator < denominator) return true;
+  if (Math.abs(numerator) < denominator) return true; // This version of code works correctly for proper and negative fractions.
+  if (Math.abs(numerator) >= Math.abs(denominator)) return false;
+  if (Math.abs(numerator) === Math.abs(denominator)) return false;
 }
 
 // here's our helper again
@@ -40,13 +42,14 @@ assertEquals(improperFraction, false);
 // target output: true
 // Explanation: The fraction -4/7 is a proper fraction because the absolute value of the numerator (4) is less than the denominator (7). The function should return true.
 const negativeFraction = isProperFraction(-4, 7);
-// ====> complete with your assertion
+assertEquals(negativeFraction, true); // assertion for negative fraction.
 
 // Equal Numerator and Denominator check:
 // Input: numerator = 3, denominator = 3
 // target output: false
 // Explanation: The fraction 3/3 is not a proper fraction because the numerator is equal to the denominator. The function should return false.
 const equalFraction = isProperFraction(3, 3);
+assertEquals(equalFraction, false); // assertion for equal numerator and denominator.
 // ====> complete with your assertion
 
 // Stretch: