Adding some basic tests for hashcode

test/hashcode.test.js

@@ -0,0 +1,26 @@
+'use strict';
+
+const { expect } = require('chai');
+const hashcode = require('../utils/hashcode');
+
+describe('Hash codes', function() {
+	it('Calculates for string', function() {
+		expect(hashcode('key')).to.not.be.null;
+	});
+
+	it('Calculates for number', function() {
+		expect(hashcode(9292)).to.not.be.null;
+	});
+
+	it('Calculates for boolean', function() {
+		expect(hashcode(false)).to.not.be.null;
+	});
+
+	it('Fails for object', function() {
+		expect(() => hashcode({})).to.throw;
+	});
+
+	it('Fails for function', function() {
+		expect(() => hashcode(function() {})).to.throw;
+	});
+});