Track sources of proxy settings.

net/proxy/proxy_info_unittest.cc

Index: net/proxy/proxy_info_unittest.cc
diff --git a/net/proxy/proxy_info_unittest.cc b/net/proxy/proxy_info_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..377cff3438a5a8bd3513b4ee046c5d166456773b
--- /dev/null
+++ b/net/proxy/proxy_info_unittest.cc
@@ -0,0 +1,41 @@
+// Copyright (c) 2012 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_info.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace net {
+namespace {
+
+TEST(ProxyInfoTest, ProxyInfoIsDirectOnly) {
+  // Test the is_direct_only() predicate.
+  ProxyInfo info;
+
+  // An empty ProxyInfo is not considered direct.
+  EXPECT_FALSE(info.is_direct_only());
+
+  info.UseDirect();
+  EXPECT_TRUE(info.is_direct_only());
+
+  info.UsePacString("DIRECT");
+  EXPECT_TRUE(info.is_direct_only());
+
+  info.UsePacString("PROXY myproxy:80");
+  EXPECT_FALSE(info.is_direct_only());
+
+  info.UsePacString("DIRECT; PROXY myproxy:80");
+  EXPECT_TRUE(info.is_direct());
+  EXPECT_FALSE(info.is_direct_only());
+
+  info.UsePacString("PROXY myproxy:80; DIRECT");
+  EXPECT_FALSE(info.is_direct());
+  EXPECT_FALSE(info.is_direct_only());
+  // After falling back to direct, we shouldn't consider it DIRECT only.
+  EXPECT_TRUE(info.Fallback(BoundNetLog()));
+  EXPECT_TRUE(info.is_direct());
+  EXPECT_FALSE(info.is_direct_only());
+}
+
+}  // namespace
+}  // namespace net