add dataGenerator.js

dataGenerator.js

@@ -0,0 +1,22 @@
+function generateSortedIntArray(length) {
+  let array = [];
+  for (let index = 0; index < length; index++) {
+    array.push(index + 1);
+  }
+  return array;
+}
+
+function generateUnsortedIntArray(length) {
+  let array = generateSortedIntArray(length);
+
+  array.sort(function (a, b) {
+    return 0.5 - Math.random();
+  });
+
+  return array;
+}
+
+module.exports = {
+  generateSortedIntArray,
+  generateUnsortedIntArray,
+};

index.js

@@ -1,6 +1,8 @@
 let bubblesort = require("./bubblesort");
 let dataGenerator = require("./dataGenerator");
 
-console.log(bubblesort([1, 3, 2], true));
+let data = dataGenerator.generateUnsortedIntArray(1000);
 
-console.log(dataGenerator.generateUnsortedIntArray(10));
+console.time("bubblesort");
+console.log(bubblesort(data, true));
+console.timeEnd("bubblesort");