limpiar codigo

Author: Ing-Brayan-Martinez

lib/dynamic/factorial.dart

@@ -1,6 +1,3 @@
 int factorial(int n) {
-  if (n == 0) {
-    return 1;
-  }
-  return n * factorial(n - 1);
+  return switch (n) { 0 => 1, _ => n * factorial(n - 1) };
 }

lib/dynamic/fizzbuzz.dart

@@ -1,13 +1,11 @@
-void fizzbuzz(int n) {
-  for (var i = 1; i <= n; i++) {
-    if (i % 3 == 0 && i % 5 == 0) {
-      print('FizzBuzz');
-    } else if (i % 3 == 0) {
-      print('Fizz');
-    } else if (i % 5 == 0) {
-      print('Buzz');
-    } else {
-      print(i);
-    }
+String fizzbuzz(int n) {
+  if (n % 3 == 0 && n % 5 == 0) {
+    return 'FizzBuzz';
+  } else if (n % 3 == 0) {
+    return 'Fizz';
+  } else if (n % 5 == 0) {
+    return 'Buzz';
+  } else {
+    return '$n';
   }
 }

test/dynamic/factorial_test.dart

@@ -7,10 +7,10 @@ void main() {
     final num = 5;
     final expectedValue = 120;
 
-    var resultValue = factorial(num);
-
     print('-- Factorial -- \n\n');
 
+    var resultValue = factorial(num);
+
     print('Factorial of $num  is $resultValue \n\n');
 
     expect(expectedValue, resultValue);

test/dynamic/fibonacci_test.dart

@@ -7,7 +7,6 @@ void main() {
     final num = 20;
     final expectedValue = 6765;
 
-
     print('-- Fibonacci -- \n\n');
 
     var resultValue = fibonacci(num);
@@ -16,7 +15,6 @@ void main() {
 
     expect(expectedValue, resultValue);
 
-
     print('Test Passed!');
   });
 }

test/dynamic/fizzbuzz_test.dart

@@ -5,10 +5,15 @@ void main() {
   //unit test
   test('fizzbuzz()', () {
     final num = 20;
+    final expectedValue = 'Buzz';
 
     print('-- FizzBuzz -- \n\n');
 
-    fizzbuzz(num);
+    var resultValue = fizzbuzz(num);
+
+    print('FizzBuzz of $num  is $resultValue \n\n');
+
+    expect(expectedValue, resultValue);
 
     print('\nTest Passed!');
   });