diff --git a/test/chunk/chunk.test.js b/test/chunk/chunk.test.js
index c1d635f42..a4dc0051a 100644
--- a/test/chunk/chunk.test.js
+++ b/test/chunk/chunk.test.js
@@ -4,11 +4,19 @@ const chunk = require('./chunk.js');
 test('Testing chunk', (t) => {
 	//For more information on all the methods supported by tape
 	//Please go to https://github.com/substack/tape
-	t.true(typeof chunk === 'function', 'chunk is a Function');
-	t.deepEqual(chunk([1, 2, 3, 4, 5], 2), [[1,2],[3,4],[5]], "Chunks an array into smaller arrays of a specified size");
-	//t.deepEqual(chunk(args..), 'Expected');
-	//t.equal(chunk(args..), 'Expected');
-	//t.false(chunk(args..), 'Expected');
-	//t.throws(chunk(args..), 'Expected');
-	t.end();
+  t.true(typeof chunk === 'function', 'chunk is a Function');
+	t.deepEqual(chunk([1, 2, 3, 4, 5], 2), [[1,2],[3,4],[5]], "chunk([1, 2, 3, 4, 5], 2) returns [[1,2],[3,4],[5]] ");
+	t.deepEqual(chunk([]), [], 'chunk([]) returns []');
+  t.deepEqual(chunk(123), [], 'chunk(123) returns []');
+  t.deepEqual(chunk({ a: 123}), [], 'chunk({ a: 123}) returns []');
+  t.deepEqual(chunk('string', 2), [ 'st', 'ri', 'ng' ], 'chunk(string, 2) returns [ st, ri, ng ]');
+  t.throws(() => chunk(), 'chunk() throws an error');
+  t.throws(() => chunk(undefined), 'chunk(undefined) throws an error');
+  t.throws(() => chunk(null), 'chunk(null) throws an error');
+
+  let start = new Date().getTime();
+  chunk('This is a string', 2)
+  let end = new Date().getTime();
+  t.true((end - start) < 2000, 'chunk(This is a string, 2) takes less than 2s to run');
+  t.end();
 });
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