Add specs for counting sort

mgechev · mgechev · commit 6034d8d43242 · 2015-01-12T10:27:33.000+02:00
diff --git a/test/sorting/linearsort/countingsort.spec.js b/test/sorting/linearsort/countingsort.spec.js
@@ -0,0 +1,18 @@
+var cs =
+  require('../../../src/sorting/linearsort/countingsort').countingSort;
+
+describe('countingsort', function () {
+  'use strict';
+
+  it('should sort the empty array', function () {
+    expect(cs([])).toEqual([]);
+  });
+
+  it('should return array with the same count of elements', function () {
+    expect(cs([2, 3, 4]).length).toBe(3);
+  });
+
+  it('should sort the given array in ascending order', function () {
+    expect(cs([42, 3, 10])).toEqual([3, 10, 42]);
+  });
+});
