ran npm run tdd & generated TDD

test/memoize/memoize.js

@@ -0,0 +1,8 @@
+module.exports = fn => {
+const cache = new Map();
+const cached = function(val) {
+return cache.has(val) ? cache.get(val) : cache.set(val, fn.call(this, val)) && cache.get(val);
+};
+cached.cache = cache;
+return cached;
+};

test/memoize/memoize.test.js

@@ -0,0 +1,13 @@
+const test = require('tape');
+const memoize = require('./memoize.js');
+
+test('Testing memoize', (t) => {
+	//For more information on all the methods supported by tape
+	//Please go to https://github.com/substack/tape
+	t.true(typeof memoize === 'function', 'memoize is a Function');
+	//t.deepEqual(memoize(args..), 'Expected');
+	//t.equal(memoize(args..), 'Expected');
+	//t.false(memoize(args..), 'Expected');
+	//t.throws(memoize(args..), 'Expected');
+	t.end();
+});