diff --git a/tests/test_strutils.py b/tests/test_strutils.py
index bdc9993..dd4981f 100644
--- a/tests/test_strutils.py
+++ b/tests/test_strutils.py
@@ -1,5 +1,7 @@
 # -*- coding: utf-8 -*-
 
+import uuid
+
 from boltons import strutils
 
 
@@ -14,3 +16,11 @@ def test_indent():
     to_indent = '\nabc\ndef\n\nxyz\n'
     ref = '\n  abc\n  def\n\n  xyz\n'
     assert strutils.indent(to_indent, '  ') == ref
+
+
+def test_is_uuid():
+    assert strutils.is_uuid(uuid.uuid4()) == True
+    assert strutils.is_uuid(uuid.uuid4(), version=1) == False
+    assert strutils.is_uuid(str(uuid.uuid4())) == True
+    assert strutils.is_uuid(str(uuid.uuid4()), version=1) == False
+    assert strutils.is_uuid(set('garbage')) == False