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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "chrome/common/chrome_content_client.h"
      6 
      7 #include "base/command_line.h"
      8 #include "base/strings/string_split.h"
      9 #include "content/public/common/content_switches.h"
     10 #include "testing/gtest/include/gtest/gtest.h"
     11 
     12 namespace {
     13 
     14 void CheckUserAgentStringOrdering(bool mobile_device) {
     15   std::vector<std::string> pieces;
     16 
     17   // Check if the pieces of the user agent string come in the correct order.
     18   ChromeContentClient content_client;
     19   std::string buffer = content_client.GetUserAgent();
     20 
     21   base::SplitStringUsingSubstr(buffer, "Mozilla/5.0 (", &pieces);
     22   ASSERT_EQ(2u, pieces.size());
     23   buffer = pieces[1];
     24   EXPECT_EQ("", pieces[0]);
     25 
     26   base::SplitStringUsingSubstr(buffer, ") AppleWebKit/", &pieces);
     27   ASSERT_EQ(2u, pieces.size());
     28   buffer = pieces[1];
     29   std::string os_str = pieces[0];
     30 
     31   base::SplitStringUsingSubstr(buffer, " (KHTML, like Gecko) ", &pieces);
     32   ASSERT_EQ(2u, pieces.size());
     33   buffer = pieces[1];
     34   std::string webkit_version_str = pieces[0];
     35 
     36   base::SplitStringUsingSubstr(buffer, " Safari/", &pieces);
     37   ASSERT_EQ(2u, pieces.size());
     38   std::string product_str = pieces[0];
     39   std::string safari_version_str = pieces[1];
     40 
     41   // Not sure what can be done to better check the OS string, since it's highly
     42   // platform-dependent.
     43   EXPECT_TRUE(os_str.size() > 0);
     44 
     45   // Check that the version numbers match.
     46   EXPECT_TRUE(webkit_version_str.size() > 0);
     47   EXPECT_TRUE(safari_version_str.size() > 0);
     48   EXPECT_EQ(webkit_version_str, safari_version_str);
     49 
     50   EXPECT_EQ(0u, product_str.find("Chrome/"));
     51   if (mobile_device) {
     52     // "Mobile" gets tacked on to the end for mobile devices, like phones.
     53     const std::string kMobileStr = " Mobile";
     54     EXPECT_EQ(kMobileStr,
     55               product_str.substr(product_str.size() - kMobileStr.size()));
     56   }
     57 }
     58 
     59 }  // namespace
     60 
     61 
     62 namespace chrome_common {
     63 
     64 TEST(ChromeContentClientTest, Basic) {
     65 #if !defined(OS_ANDROID)
     66   CheckUserAgentStringOrdering(false);
     67 #else
     68   const char* kArguments[] = {"chrome"};
     69   CommandLine::Reset();
     70   CommandLine::Init(1, kArguments);
     71   CommandLine* command_line = CommandLine::ForCurrentProcess();
     72 
     73   // Do it for regular devices.
     74   ASSERT_FALSE(command_line->HasSwitch(switches::kUseMobileUserAgent));
     75   CheckUserAgentStringOrdering(false);
     76 
     77   // Do it for mobile devices.
     78   command_line->AppendSwitch(switches::kUseMobileUserAgent);
     79   ASSERT_TRUE(command_line->HasSwitch(switches::kUseMobileUserAgent));
     80   CheckUserAgentStringOrdering(true);
     81 #endif
     82 }
     83 
     84 }  // namespace chrome_common
     85