diff --git a/test/simple/test-assert.js b/test/simple/test-assert.js
index f0e78b85f6a..3bd17159709 100644
--- a/test/simple/test-assert.js
+++ b/test/simple/test-assert.js
@@ -33,6 +33,12 @@ function makeBlock(f) {
 assert.ok(common.indirectInstanceOf(a.AssertionError.prototype, Error),
           'a.AssertionError instanceof Error');
 
+assert.throws(makeBlock(a, false), a.AssertionError, 'ok(false)');
+
+assert.doesNotThrow(makeBlock(a, true), a.AssertionError, 'ok(true)');
+
+assert.doesNotThrow(makeBlock(a, 'test', 'ok(\'test\')'));
+
 assert.throws(makeBlock(a.ok, false),
               a.AssertionError, 'ok(false)');