[blocking_event_loop] Make verification more robust.

Needs proper translation timoxley#93.

Author: timoxley

exercises/blocking_event_loop/wrapper.js

@@ -8,8 +8,11 @@ var count = 0
 var CYCLES = 10000
 
 function operation() {
-  for (var i = 0; i < 1000000; i++) {}  // burn some CPU cycles
-  count++ // count how many times this function was called
+  for (var i = 0; i < 1000000; i++) {
+    // burn some CPU cycles
+  }
+  // count how many times this function was called
+  count++
 }
 
 
@@ -27,10 +30,13 @@ repeat(operation, CYCLES)
 setTimeout(function() {
   var end = Date.now()
   console.error('Performed %d operations.', count)
-  if (count === CYCLES) console.log('Fail! Should not have completed all operations!')
-  // TODO calculate ideal ops per second?
-  //if (count < 1000) console.log('Fail! Should have performed more operations!')
-  if (end - start < 1500) console.log('Interrupted in approximately 1 second!')
-  else console.log('Fail! Interrupted in %d milliseconds', end - start)
+
+  if (count >= CYCLES) {
+    console.log('Fail! Should not have completed all operations!')
+    process.exit(1)
+  }
+
+  console.log('Operations successfully interrupted!')
+  console.error('Interrupted after %d milliseconds.', end - start)
   process.exit()
-}, 1000)
+})

exercises/blocking_event_loop/wrapper_fr.js

@@ -11,7 +11,8 @@ function operation() {
   for (var i = 0; i < 1000000; i++) {
     // burn some CPU cycles
   }
-  count++ // count how many times this function was called
+  // count how many times this function was called
+  count++
 }
 
 console.error()
@@ -28,8 +29,13 @@ repeat(operation, CYCLES)
 setTimeout(function() {
   var end = Date.now()
   console.error('J’ai effectué %d opérations.', count)
-  if (count === CYCLES) console.log('Raté ! Je n’aurais pas du pouvoir aller au bout !')
-  if (end - start < 1500) console.log('Interruption au bout d’environ 1 seconde !')
-  else console.log('Raté ! Interruption au bout de %d millisecondes', end - start)
+
+  if (count >= CYCLES) {
+    console.log('Raté ! Je n’aurais pas du pouvoir aller au bout !')
+    process.exit(1)
+  }
+
+  console.log('Opérations interrompues succès !')
+  console.error('Interrompu après %d millisecondes.', end - start)
   process.exit()
-}, 1000)
+})