diff --git a/test/core/util.js b/test/core/util.js
index 4588f728fe..b4925d4fb6 100644
--- a/test/core/util.js
+++ b/test/core/util.js
@@ -95,6 +95,12 @@ suite("util", function () {
     }, /illegal type for regexify/);
   });
 
+  test("booleanify", function () {
+    assert.strictEqual(util.booleanify("true"), true);
+    assert.strictEqual(util.booleanify("false"), false);
+    assert.strictEqual(util.booleanify("inline"), "inline");
+  });
+
   test("toIdentifier", function () {
     assert.equal(t.toIdentifier(t.identifier("swag")), "swag");
     assert.equal(t.toIdentifier("swag-lord"), "swagLord");