Receiving Connection: Proxy-Bypass induces proxy fallback.

net/proxy/proxy_list_unittest.cc

 // Copyright (c) 2006-2008 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 "net/proxy/proxy_list.h"
 
 #include "net/proxy/proxy_server.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
@@ skipping 71 matching lines @@
   };
 
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) {
     ProxyList list;
     list.SetFromPacString(tests[i].pac_input);
     list.RemoveProxiesWithoutScheme(tests[i].filter);
     EXPECT_EQ(tests[i].filtered_pac_output, list.ToPacString());
   }
 }
 
+TEST(ProxyListTest, HasUntriedProxies) {
+  // As in DeprioritizeBadProxies, we use a lengthy timeout to avoid depending
+  // on the current time.
+  ProxyRetryInfo proxy_retry_info;
+  proxy_retry_info.bad_until =
+      base::TimeTicks::Now() + base::TimeDelta::FromDays(1);
+
+  // An empty list has nothing to try.
+  {
+    ProxyList list;
+    ProxyRetryInfoMap proxy_retry_info;
+    EXPECT_FALSE(list.HasUntriedProxies(proxy_retry_info));
+  }
+
+  // A list with one bad proxy has something to try. With two bad proxies,
+  // there's nothing to try.
+  {
+    ProxyList list;
+    list.SetFromPacString("PROXY bad1:80; PROXY bad2:80");
+    ProxyRetryInfoMap retry_info_map;
+    retry_info_map["bad1:80"] = proxy_retry_info;
+    EXPECT_TRUE(list.HasUntriedProxies(retry_info_map));
+    retry_info_map["bad2:80"] = proxy_retry_info;
+    EXPECT_FALSE(list.HasUntriedProxies(retry_info_map));
+  }
+
+  // A list with one bad proxy and a DIRECT entry has something to try.
+  {
+    ProxyList list;
+    list.SetFromPacString("PROXY bad1:80; DIRECT");
+    ProxyRetryInfoMap retry_info_map;
+    retry_info_map["bad1:80"] = proxy_retry_info;
+    EXPECT_TRUE(list.HasUntriedProxies(retry_info_map));
+  }
+}
+
 TEST(ProxyListTest, DeprioritizeBadProxies) {
   // Retry info that marks a proxy as being bad for a *very* long time (to avoid
   // the test depending on the current time.)
   ProxyRetryInfo proxy_retry_info;
   proxy_retry_info.bad_until =
       base::TimeTicks::Now() + base::TimeDelta::FromDays(1);
 
   // Call DeprioritizeBadProxies with an empty map -- should have no effect.
   {
     ProxyList list;
@@ skipping 36 matching lines @@
     list.DeprioritizeBadProxies(retry_info_map);
 
     EXPECT_EQ("PROXY foopy1:80;PROXY foopy2:80;PROXY foopy3:80",
               list.ToPacString());
   }
 }
 
 }  // namesapce
 
 }  // namespace net