feat: move demo functions to tests

Author: crhallberg

Sorts/IntroSort.js

@@ -241,69 +241,4 @@ function introsort(array, compare) {
   })(array, compare)
 }
 
-/**
- * @example Demo run of the sort routine
- * The data is randomly generated
- * Returns 'RIGHT:)' if the sort routine worked as expected,
- *         'WRONG!!' otherwise
- */
-function demo1() {
-  const data = []
-  const size = 1000000
-  let i = 0
-  let temp
-  const c = function (a, b) {
-    return a - b
-  }
-  for (i = 0; i < size; i++) {
-    temp = Math.random() * Number.MAX_SAFE_INTEGER
-    data.push(temp)
-  }
-  introsort(data, c)
-  let faulty = false
-  for (i = 1; i < size; i++) {
-    if (data[i] < data[i - 1]) {
-      faulty = true
-      break
-    }
-  }
-  if (faulty) {
-    return 'WRONG!!'
-  } else {
-    return 'RIGHT:)'
-  }
-}
-
-/**
- * @example Demo run of the sort routine
- * using the default compare function and
- * comparing the results with Array.sort
- */
-function demo2() {
-  const data = []
-  const data2 = []
-  const size = 1000000
-  let i = 0
-  let temp
-  for (i = 0; i < size; i++) {
-    temp = Math.random() * Number.MAX_SAFE_INTEGER
-    data.push(temp)
-    data2.push(temp)
-  }
-  introsort(data)
-  data2.sort()
-  let faulty = false
-  for (i = 1; i < size; i++) {
-    if (data[i] !== data2[i]) {
-      faulty = true
-      break
-    }
-  }
-  if (faulty) {
-    return 'WRONG Implemented Comparator!!'
-  } else {
-    return 'Comparator Works Fine:)'
-  }
-}
-
-export { introsort, demo1, demo2 }
+export { introsort }