diff --git a/test/memoize/memoize.test.js b/test/memoize/memoize.test.js
index d6eee6068..e90eb2b05 100644
--- a/test/memoize/memoize.test.js
+++ b/test/memoize/memoize.test.js
@@ -5,9 +5,14 @@ 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');
+  const f = x => x * x;
+  const square = memoize(f);
+  t.equal(square(2), 4, 'Function works properly');
+  t.equal(square(3), 9, 'Function works properly');
+  t.deepEqual(Array.from(square.cache), [[2,4],[3,9]], 'Cache stores values');
   //t.deepEqual(memoize(args..), 'Expected');
   //t.equal(memoize(args..), 'Expected');
   //t.false(memoize(args..), 'Expected');
   //t.throws(memoize(args..), 'Expected');
   t.end();
-});
\ No newline at end of file
+});
diff --git a/test/merge/merge.test.js b/test/merge/merge.test.js
index 1ed749488..2ed73d89a 100644
--- a/test/merge/merge.test.js
+++ b/test/merge/merge.test.js
@@ -5,9 +5,19 @@ test('Testing merge', (t) => {
   //For more information on all the methods supported by tape
   //Please go to https://github.com/substack/tape
   t.true(typeof merge === 'function', 'merge is a Function');
+  const object = {
+    a: [{ x: 2 }, { y: 4 }],
+    b: 1
+  };
+  const other = {
+    a: { z: 3 },
+    b: [2, 3],
+    c: 'foo'
+  };
+  t.deepEqual(merge(object, other), { a: [ { x: 2 }, { y: 4 }, { z: 3 } ], b: [ 1, 2, 3 ], c: 'foo' }, 'Merges two objects');
   //t.deepEqual(merge(args..), 'Expected');
   //t.equal(merge(args..), 'Expected');
   //t.false(merge(args..), 'Expected');
   //t.throws(merge(args..), 'Expected');
   t.end();
-});
\ No newline at end of file
+});
diff --git a/test/testlog b/test/testlog
index 69a133302..9cad5424c 100644
--- a/test/testlog
+++ b/test/testlog
@@ -1,4 +1,4 @@
-Test log for: Sat Feb 03 2018 13:32:50 GMT+0200 (GTB Standard Time)
+Test log for: Sat Feb 03 2018 13:39:03 GMT+0200 (GTB Standard Time)
 
 > 30-seconds-of-code@0.0.1 test G:\My Files\git Repositories\30-seconds-of-code
 > tape test/**/*.test.js | tap-spec
@@ -959,6 +959,9 @@ Test log for: Sat Feb 03 2018 13:32:50 GMT+0200 (GTB Standard Time)
   Testing memoize
 
     √ memoize is a Function
+    √ Function works properly
+    √ Function works properly
+    √ Cache stores values
 
   Testing merge
 
@@ -1695,8 +1698,8 @@ Test log for: Sat Feb 03 2018 13:32:50 GMT+0200 (GTB Standard Time)
     √ Works with multiple promises
 
 
-  total:     799
-  passing:   799
+  total:     802
+  passing:   802
   duration:  2.4s