ServiceWorker: Support longest-prefix-match for registration scope

content/browser/service_worker/service_worker_utils_unittest.cc

Index: content/browser/service_worker/service_worker_utils_unittest.cc
diff --git a/content/browser/service_worker/service_worker_utils_unittest.cc b/content/browser/service_worker/service_worker_utils_unittest.cc
index d6e0ba1a02c12f6f136810d468b4862836919038..ed8e83cfff969e779c9060ef5a739f8526925d83 100644
--- a/content/browser/service_worker/service_worker_utils_unittest.cc
+++ b/content/browser/service_worker/service_worker_utils_unittest.cc
@@ -69,4 +69,32 @@ TEST(ServiceWorkerUtilsTest, ScopeMatches) {
       GURL("http://www.example.com/\\*"), GURL("http://www.example.com/\\x")));
 }
 
+TEST(ServiceWorkerUtilsTest, FindLongestScopeMatch) {
+  GURL url("http://www.example.com/xxx");
+  size_t pos = 0;
+
+  std::vector<GURL> scopes;
+  scopes.push_back(GURL("http://www.example.com/*"));
+  scopes.push_back(GURL("http://www.example.com/x*"));
+  scopes.push_back(GURL("http://www.example.com/xx*"));
+
+  // Should be matched with "/xx*".
+  ASSERT_TRUE(ServiceWorkerUtils::FindLongestScopeMatch(scopes, url, &pos));
+  ASSERT_EQ(2u, pos);
+  pos = 0;
+
+  scopes.push_back(GURL("http://www.example.com/xxx"));
+
+  // Should be matched with "/xxx".
+  ASSERT_TRUE(ServiceWorkerUtils::FindLongestScopeMatch(scopes, url, &pos));
+  ASSERT_EQ(3u, pos);
+  pos = 0;
+
+  scopes.push_back(GURL("http://www.example.com/xxx*"));
+
+  // Should be matched with "/xxx*".
+  ASSERT_TRUE(ServiceWorkerUtils::FindLongestScopeMatch(scopes, url, &pos));
+  ASSERT_EQ(4u, pos);
+}
+
 }  // namespace content