1 files changed, 21 insertions, 0 deletions
diff --git a/chrome/test/webdriver/webdriver_util_unittest.cc b/chrome/test/webdriver/webdriver_util_unittest.cc
new file mode 100644
index 0000000..c80a3d7
--- /dev/null
+++ b/chrome/test/webdriver/webdriver_util_unittest.cc
@@ -0,0 +1,21 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <set>
+#include <string>
+
+#include "chrome/test/webdriver/webdriver_util.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+TEST(RandomIDTest, CanGenerateSufficientlyRandomIDs) {
+  std::set<std::string> generated_ids;
+  for (int i = 0; i < 10000; ++i) {
+    std::string id = webdriver::GenerateRandomID();
+    ASSERT_EQ(32u, id.length());
+    ASSERT_TRUE(generated_ids.end() == generated_ids.find(id))
+        << "Generated duplicate ID: " << id
+        << " on iteration " << i;
+    generated_ids.insert(id);
+  }
+}