chrome/browser/browser_encoding_uitest.cc - chromium/src - Git at Google

 // 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 <string>

 #include "base/file_util.h"
 #include "base/scoped_temp_dir.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/automation/automation_proxy.h"
 #include "chrome/test/automation/browser_proxy.h"
 #include "chrome/test/automation/tab_proxy.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "chrome/test/ui/ui_test.h"
 #include "content/browser/download/save_package.h"
 #include "content/browser/net/url_request_mock_http_job.h"

 static const FilePath::CharType* kTestDir = FILE_PATH_LITERAL("encoding_tests");

 class BrowserEncodingTest : public UITest {
  protected:
   BrowserEncodingTest() : UITest() {}

   // Make sure the content of the page are as expected
   // after override or auto-detect
   void CheckFile(const FilePath& generated_file,
                  const FilePath& expected_result_file,
                  bool check_equal) {
     FilePath expected_result_filepath = ui_test_utils::GetTestFilePath(
         FilePath(kTestDir), expected_result_file);

     ASSERT_TRUE(file_util::PathExists(expected_result_filepath));
     WaitForGeneratedFileAndCheck(generated_file,
                                  expected_result_filepath,
                                  true,  // We do care whether they are equal.
                                  check_equal,
                                  true);  // Delete the generated file when done.
   }

   virtual void SetUp() {
     UITest::SetUp();
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
     save_dir_ = temp_dir_.path();
     temp_sub_resource_dir_ = save_dir_.AppendASCII("sub_resource_files");
   }

   ScopedTempDir temp_dir_;
   FilePath save_dir_;
   FilePath temp_sub_resource_dir_;
 };

 // TODO(jnd): 1. Some encodings are missing here. It'll be added later. See
 // http://crbug.com/13306.
 // 2. Add more files with multiple encoding name variants for each canonical
 // encoding name). Webkit layout tests cover some, but testing in the UI test is
 // also necessary.

 #if defined(OS_MACOSX)
 #define TestEncodingAliasMapping FLAKY_TestEncodingAliasMapping
 #endif
 TEST_F(BrowserEncodingTest, TestEncodingAliasMapping) {
   struct EncodingTestData {
     const char* file_name;
     const char* encoding_name;
   };

   const EncodingTestData kEncodingTestDatas[] = {
     { "Big5.html", "Big5" },
     { "EUC-JP.html", "EUC-JP" },
     { "gb18030.html", "gb18030" },
     { "iso-8859-1.html", "ISO-8859-1" },
     { "ISO-8859-2.html", "ISO-8859-2" },
     { "ISO-8859-4.html", "ISO-8859-4" },
     { "ISO-8859-5.html", "ISO-8859-5" },
     { "ISO-8859-6.html", "ISO-8859-6" },
     { "ISO-8859-7.html", "ISO-8859-7" },
     { "ISO-8859-8.html", "ISO-8859-8" },
     { "ISO-8859-13.html", "ISO-8859-13" },
     { "ISO-8859-15.html", "ISO-8859-15" },
     { "KOI8-R.html", "KOI8-R" },
     { "KOI8-U.html", "KOI8-U" },
     { "macintosh.html", "macintosh" },
     { "Shift-JIS.html", "Shift_JIS" },
     { "US-ASCII.html", "ISO-8859-1" },  // http://crbug.com/15801
     { "UTF-8.html", "UTF-8" },
     { "UTF-16LE.html", "UTF-16LE" },
     { "windows-874.html", "windows-874" },
     // http://crbug.com/95963
     // { "windows-949.html", "windows-949" },
     { "windows-1250.html", "windows-1250" },
     { "windows-1251.html", "windows-1251" },
     { "windows-1252.html", "windows-1252" },
     { "windows-1253.html", "windows-1253" },
     { "windows-1254.html", "windows-1254" },
     { "windows-1255.html", "windows-1255" },
     { "windows-1256.html", "windows-1256" },
     { "windows-1257.html", "windows-1257" },
     { "windows-1258.html", "windows-1258" }
   };
   const char* const kAliasTestDir = "alias_mapping";

   scoped_refptr<TabProxy> tab_proxy(GetActiveTab());
   ASSERT_TRUE(tab_proxy.get());

   FilePath test_dir_path = FilePath(kTestDir).AppendASCII(kAliasTestDir);
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kEncodingTestDatas); ++i) {
     FilePath test_file_path(test_dir_path);
     test_file_path = test_file_path.AppendASCII(
         kEncodingTestDatas[i].file_name);

     NavigateToURL(URLRequestMockHTTPJob::GetMockUrl(test_file_path));

     std::string encoding;
     EXPECT_TRUE(tab_proxy->GetPageCurrentEncoding(&encoding));
     EXPECT_EQ(kEncodingTestDatas[i].encoding_name, encoding);
   }
 }

 // Marked as flaky: see  http://crbug.com/44668
 TEST_F(BrowserEncodingTest, FLAKY_TestOverrideEncoding) {
   const char* const kTestFileName = "gb18030_with_iso88591_meta.html";
   const char* const kExpectedFileName =
       "expected_gb18030_saved_from_iso88591_meta.html";
   const char* const kOverrideTestDir = "user_override";

   FilePath test_dir_path = FilePath(kTestDir).AppendASCII(kOverrideTestDir);
   test_dir_path = test_dir_path.AppendASCII(kTestFileName);
   GURL url = URLRequestMockHTTPJob::GetMockUrl(test_dir_path);
   scoped_refptr<TabProxy> tab_proxy(GetActiveTab());
   ASSERT_TRUE(tab_proxy.get());
   ASSERT_TRUE(tab_proxy->NavigateToURL(url));
   WaitUntilTabCount(1);

   // Get the encoding declared in the page.
   std::string encoding;
   EXPECT_TRUE(tab_proxy->GetPageCurrentEncoding(&encoding));
   EXPECT_EQ(encoding, "ISO-8859-1");

   // Override the encoding to "gb18030".
   int64 last_nav_time = 0;
   EXPECT_TRUE(tab_proxy->GetLastNavigationTime(&last_nav_time));
   EXPECT_TRUE(tab_proxy->OverrideEncoding("gb18030"));
   EXPECT_TRUE(tab_proxy->WaitForNavigation(last_nav_time));

   // Re-get the encoding of page. It should be gb18030.
   EXPECT_TRUE(tab_proxy->GetPageCurrentEncoding(&encoding));
   EXPECT_EQ(encoding, "gb18030");

   // Dump the page, the content of dump page should be identical to the
   // expected result file.
   FilePath full_file_name = save_dir_.AppendASCII(kTestFileName);
   // We save the page as way of complete HTML file, which requires a directory
   // name to save sub resources in it. Although this test file does not have
   // sub resources, but the directory name is still required.
   EXPECT_TRUE(tab_proxy->SavePage(full_file_name, temp_sub_resource_dir_,
                                   SavePackage::SAVE_AS_COMPLETE_HTML));
   scoped_refptr<BrowserProxy> browser(automation()->GetBrowserWindow(0));
   ASSERT_TRUE(browser.get());
   EXPECT_TRUE(WaitForDownloadShelfVisible(browser.get()));
   FilePath expected_file_name = FilePath().AppendASCII(kOverrideTestDir);
   expected_file_name = expected_file_name.AppendASCII(kExpectedFileName);
   CheckFile(full_file_name, expected_file_name, true);
 }

 // The following encodings are excluded from the auto-detection test because
 // it's a known issue that the current encoding detector does not detect them:
 // ISO-8859-4
 // ISO-8859-13
 // KOI8-U
 // macintosh
 // windows-874
 // windows-1252
 // windows-1253
 // windows-1257
 // windows-1258

 // For Hebrew, the expected encoding value is ISO-8859-8-I. See
 // http://crbug.com/2927 for more details.
 // FLAKY / Disabled on CrOS: see http://crbug.com/44666
 #if defined(OS_CHROMEOS)
 #define MAYBE_TestEncodingAutoDetect DISABLED_TestEncodingAutoDetect
 #else
 #define MAYBE_TestEncodingAutoDetect FLAKY_TestEncodingAutoDetect
 #endif

 TEST_F(BrowserEncodingTest, MAYBE_TestEncodingAutoDetect) {
   struct EncodingAutoDetectTestData {
     const char* test_file_name;   // File name of test data.
     const char* expected_result;  // File name of expected results.
     const char* expected_encoding;   // expected encoding.
   };
   const EncodingAutoDetectTestData kTestDatas[] = {
       { "Big5_with_no_encoding_specified.html",
         "expected_Big5_saved_from_no_encoding_specified.html",
         "Big5" },
       { "gb18030_with_no_encoding_specified.html",
         "expected_gb18030_saved_from_no_encoding_specified.html",
         "gb18030" },
       { "iso-8859-1_with_no_encoding_specified.html",
         "expected_iso-8859-1_saved_from_no_encoding_specified.html",
         "ISO-8859-1" },
       { "ISO-8859-5_with_no_encoding_specified.html",
         "expected_ISO-8859-5_saved_from_no_encoding_specified.html",
         "ISO-8859-5" },
       { "ISO-8859-6_with_no_encoding_specified.html",
         "expected_ISO-8859-6_saved_from_no_encoding_specified.html",
         "ISO-8859-6" },
       { "ISO-8859-7_with_no_encoding_specified.html",
         "expected_ISO-8859-7_saved_from_no_encoding_specified.html",
         "ISO-8859-7" },
       { "ISO-8859-8_with_no_encoding_specified.html",
         "expected_ISO-8859-8_saved_from_no_encoding_specified.html",
         "ISO-8859-8-I" },
       { "KOI8-R_with_no_encoding_specified.html",
         "expected_KOI8-R_saved_from_no_encoding_specified.html",
         "KOI8-R" },
       { "Shift-JIS_with_no_encoding_specified.html",
         "expected_Shift-JIS_saved_from_no_encoding_specified.html",
         "Shift_JIS" },
       { "UTF-8_with_no_encoding_specified.html",
         "expected_UTF-8_saved_from_no_encoding_specified.html",
         "UTF-8" },
       { "windows-949_with_no_encoding_specified.html",
         "expected_windows-949_saved_from_no_encoding_specified.html",
         "windows-949" },
       { "windows-1251_with_no_encoding_specified.html",
         "expected_windows-1251_saved_from_no_encoding_specified.html",
         "windows-1251" },
       { "windows-1254_with_no_encoding_specified.html",
         "expected_windows-1254_saved_from_no_encoding_specified.html",
         "windows-1254" },
       { "windows-1255_with_no_encoding_specified.html",
         "expected_windows-1255_saved_from_no_encoding_specified.html",
         "windows-1255" },
       { "windows-1256_with_no_encoding_specified.html",
         "expected_windows-1256_saved_from_no_encoding_specified.html",
         "windows-1256" }
     };
   const char* const kAutoDetectDir = "auto_detect";
   // Directory of the files of expected results.
   const char* const kExpectedResultDir = "expected_results";

   // Full path of saved file. full_file_name = save_dir_ + file_name[i];
   FilePath full_saved_file_name;

   FilePath test_dir_path = FilePath(kTestDir).AppendASCII(kAutoDetectDir);

   scoped_refptr<BrowserProxy> browser(automation()->GetBrowserWindow(0));
   ASSERT_TRUE(browser.get());
   // Set the default charset to one of encodings not supported by the current
   // auto-detector (Please refer to the above comments) to make sure we
   // incorrectly decode the page. Now we use ISO-8859-4.
   ASSERT_TRUE(browser->SetStringPreference(prefs::kDefaultCharset,
                                            "ISO-8859-4"));
   scoped_refptr<TabProxy> tab(GetActiveTab());
   ASSERT_TRUE(tab.get());

   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kTestDatas);i++) {
     FilePath test_file_path(test_dir_path);
     test_file_path = test_file_path.AppendASCII(kTestDatas[i].test_file_name);
     GURL url =
         URLRequestMockHTTPJob::GetMockUrl(test_file_path);
     ASSERT_TRUE(tab->NavigateToURL(url));

     // Disable auto detect if it is on.
     EXPECT_TRUE(
         browser->SetBooleanPreference(prefs::kWebKitUsesUniversalDetector,
                                       false));
     EXPECT_TRUE(tab->Reload());

     // Get the encoding used for the page, it must be the default charset we
     // just set.
     std::string encoding;
     EXPECT_TRUE(tab->GetPageCurrentEncoding(&encoding));
     EXPECT_EQ(encoding, "ISO-8859-4");

     // Enable the encoding auto detection.
     EXPECT_TRUE(browser->SetBooleanPreference(
         prefs::kWebKitUsesUniversalDetector, true));
     EXPECT_TRUE(tab->Reload());

     // Re-get the encoding of page. It should return the real encoding now.
     bool encoding_auto_detect = false;
     EXPECT_TRUE(
         browser->GetBooleanPreference(prefs::kWebKitUsesUniversalDetector,
                                       &encoding_auto_detect));
     EXPECT_TRUE(encoding_auto_detect);
     EXPECT_TRUE(tab->GetPageCurrentEncoding(&encoding));
     EXPECT_EQ(encoding, kTestDatas[i].expected_encoding);

     // Dump the page, the content of dump page should be equal with our expect
     // result file.
     full_saved_file_name = save_dir_.AppendASCII(kTestDatas[i].test_file_name);
     // Full path of expect result file.
     FilePath expected_result_file_name = FilePath().AppendASCII(kAutoDetectDir);
     expected_result_file_name = expected_result_file_name.AppendASCII(
         kExpectedResultDir);
     expected_result_file_name = expected_result_file_name.AppendASCII(
         kTestDatas[i].expected_result);
     EXPECT_TRUE(tab->SavePage(full_saved_file_name, temp_sub_resource_dir_,
                               SavePackage::SAVE_AS_COMPLETE_HTML));
     EXPECT_TRUE(WaitForDownloadShelfVisible(browser.get()));
     CheckFile(full_saved_file_name, expected_result_file_name, true);
   }
 }
	// 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 <string>

	#include "base/file_util.h"
	#include "base/scoped_temp_dir.h"
	#include "chrome/common/pref_names.h"
	#include "chrome/test/automation/automation_proxy.h"
	#include "chrome/test/automation/browser_proxy.h"
	#include "chrome/test/automation/tab_proxy.h"
	#include "chrome/test/base/ui_test_utils.h"
	#include "chrome/test/ui/ui_test.h"
	#include "content/browser/download/save_package.h"
	#include "content/browser/net/url_request_mock_http_job.h"

	static const FilePath::CharType* kTestDir = FILE_PATH_LITERAL("encoding_tests");

	class BrowserEncodingTest : public UITest {
	protected:
	BrowserEncodingTest() : UITest() {}

	// Make sure the content of the page are as expected
	// after override or auto-detect
	void CheckFile(const FilePath& generated_file,
	const FilePath& expected_result_file,
	bool check_equal) {
	FilePath expected_result_filepath = ui_test_utils::GetTestFilePath(
	FilePath(kTestDir), expected_result_file);

	ASSERT_TRUE(file_util::PathExists(expected_result_filepath));
	WaitForGeneratedFileAndCheck(generated_file,
	expected_result_filepath,
	true, // We do care whether they are equal.
	check_equal,
	true); // Delete the generated file when done.
	}

	virtual void SetUp() {
	UITest::SetUp();
	ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
	save_dir_ = temp_dir_.path();
	temp_sub_resource_dir_ = save_dir_.AppendASCII("sub_resource_files");
	}

	ScopedTempDir temp_dir_;
	FilePath save_dir_;
	FilePath temp_sub_resource_dir_;
	};

	// TODO(jnd): 1. Some encodings are missing here. It'll be added later. See
	// http://crbug.com/13306.
	// 2. Add more files with multiple encoding name variants for each canonical
	// encoding name). Webkit layout tests cover some, but testing in the UI test is
	// also necessary.

	#if defined(OS_MACOSX)
	#define TestEncodingAliasMapping FLAKY_TestEncodingAliasMapping
	#endif
	TEST_F(BrowserEncodingTest, TestEncodingAliasMapping) {
	struct EncodingTestData {
	const char* file_name;
	const char* encoding_name;
	};

	const EncodingTestData kEncodingTestDatas[] = {
	{ "Big5.html", "Big5" },
	{ "EUC-JP.html", "EUC-JP" },
	{ "gb18030.html", "gb18030" },
	{ "iso-8859-1.html", "ISO-8859-1" },
	{ "ISO-8859-2.html", "ISO-8859-2" },
	{ "ISO-8859-4.html", "ISO-8859-4" },
	{ "ISO-8859-5.html", "ISO-8859-5" },
	{ "ISO-8859-6.html", "ISO-8859-6" },
	{ "ISO-8859-7.html", "ISO-8859-7" },
	{ "ISO-8859-8.html", "ISO-8859-8" },
	{ "ISO-8859-13.html", "ISO-8859-13" },
	{ "ISO-8859-15.html", "ISO-8859-15" },
	{ "KOI8-R.html", "KOI8-R" },
	{ "KOI8-U.html", "KOI8-U" },
	{ "macintosh.html", "macintosh" },
	{ "Shift-JIS.html", "Shift_JIS" },
	{ "US-ASCII.html", "ISO-8859-1" }, // http://crbug.com/15801
	{ "UTF-8.html", "UTF-8" },
	{ "UTF-16LE.html", "UTF-16LE" },
	{ "windows-874.html", "windows-874" },
	// http://crbug.com/95963
	// { "windows-949.html", "windows-949" },
	{ "windows-1250.html", "windows-1250" },
	{ "windows-1251.html", "windows-1251" },
	{ "windows-1252.html", "windows-1252" },
	{ "windows-1253.html", "windows-1253" },
	{ "windows-1254.html", "windows-1254" },
	{ "windows-1255.html", "windows-1255" },
	{ "windows-1256.html", "windows-1256" },
	{ "windows-1257.html", "windows-1257" },
	{ "windows-1258.html", "windows-1258" }
	};
	const char* const kAliasTestDir = "alias_mapping";

	scoped_refptr<TabProxy> tab_proxy(GetActiveTab());
	ASSERT_TRUE(tab_proxy.get());

	FilePath test_dir_path = FilePath(kTestDir).AppendASCII(kAliasTestDir);
	for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kEncodingTestDatas); ++i) {
	FilePath test_file_path(test_dir_path);
	test_file_path = test_file_path.AppendASCII(
	kEncodingTestDatas[i].file_name);

	NavigateToURL(URLRequestMockHTTPJob::GetMockUrl(test_file_path));

	std::string encoding;
	EXPECT_TRUE(tab_proxy->GetPageCurrentEncoding(&encoding));
	EXPECT_EQ(kEncodingTestDatas[i].encoding_name, encoding);
	}
	}

	// Marked as flaky: see http://crbug.com/44668
	TEST_F(BrowserEncodingTest, FLAKY_TestOverrideEncoding) {
	const char* const kTestFileName = "gb18030_with_iso88591_meta.html";
	const char* const kExpectedFileName =
	"expected_gb18030_saved_from_iso88591_meta.html";
	const char* const kOverrideTestDir = "user_override";

	FilePath test_dir_path = FilePath(kTestDir).AppendASCII(kOverrideTestDir);
	test_dir_path = test_dir_path.AppendASCII(kTestFileName);
	GURL url = URLRequestMockHTTPJob::GetMockUrl(test_dir_path);
	scoped_refptr<TabProxy> tab_proxy(GetActiveTab());
	ASSERT_TRUE(tab_proxy.get());
	ASSERT_TRUE(tab_proxy->NavigateToURL(url));
	WaitUntilTabCount(1);

	// Get the encoding declared in the page.
	std::string encoding;
	EXPECT_TRUE(tab_proxy->GetPageCurrentEncoding(&encoding));
	EXPECT_EQ(encoding, "ISO-8859-1");

	// Override the encoding to "gb18030".
	int64 last_nav_time = 0;
	EXPECT_TRUE(tab_proxy->GetLastNavigationTime(&last_nav_time));
	EXPECT_TRUE(tab_proxy->OverrideEncoding("gb18030"));
	EXPECT_TRUE(tab_proxy->WaitForNavigation(last_nav_time));

	// Re-get the encoding of page. It should be gb18030.
	EXPECT_TRUE(tab_proxy->GetPageCurrentEncoding(&encoding));
	EXPECT_EQ(encoding, "gb18030");

	// Dump the page, the content of dump page should be identical to the
	// expected result file.
	FilePath full_file_name = save_dir_.AppendASCII(kTestFileName);
	// We save the page as way of complete HTML file, which requires a directory
	// name to save sub resources in it. Although this test file does not have
	// sub resources, but the directory name is still required.
	EXPECT_TRUE(tab_proxy->SavePage(full_file_name, temp_sub_resource_dir_,
	SavePackage::SAVE_AS_COMPLETE_HTML));
	scoped_refptr<BrowserProxy> browser(automation()->GetBrowserWindow(0));
	ASSERT_TRUE(browser.get());
	EXPECT_TRUE(WaitForDownloadShelfVisible(browser.get()));
	FilePath expected_file_name = FilePath().AppendASCII(kOverrideTestDir);
	expected_file_name = expected_file_name.AppendASCII(kExpectedFileName);
	CheckFile(full_file_name, expected_file_name, true);
	}

	// The following encodings are excluded from the auto-detection test because
	// it's a known issue that the current encoding detector does not detect them:
	// ISO-8859-4
	// ISO-8859-13
	// KOI8-U
	// macintosh
	// windows-874
	// windows-1252
	// windows-1253
	// windows-1257
	// windows-1258

	// For Hebrew, the expected encoding value is ISO-8859-8-I. See
	// http://crbug.com/2927 for more details.
	// FLAKY / Disabled on CrOS: see http://crbug.com/44666
	#if defined(OS_CHROMEOS)
	#define MAYBE_TestEncodingAutoDetect DISABLED_TestEncodingAutoDetect
	#else
	#define MAYBE_TestEncodingAutoDetect FLAKY_TestEncodingAutoDetect
	#endif

	TEST_F(BrowserEncodingTest, MAYBE_TestEncodingAutoDetect) {
	struct EncodingAutoDetectTestData {
	const char* test_file_name; // File name of test data.
	const char* expected_result; // File name of expected results.
	const char* expected_encoding; // expected encoding.
	};
	const EncodingAutoDetectTestData kTestDatas[] = {
	{ "Big5_with_no_encoding_specified.html",
	"expected_Big5_saved_from_no_encoding_specified.html",
	"Big5" },
	{ "gb18030_with_no_encoding_specified.html",
	"expected_gb18030_saved_from_no_encoding_specified.html",
	"gb18030" },
	{ "iso-8859-1_with_no_encoding_specified.html",
	"expected_iso-8859-1_saved_from_no_encoding_specified.html",
	"ISO-8859-1" },
	{ "ISO-8859-5_with_no_encoding_specified.html",
	"expected_ISO-8859-5_saved_from_no_encoding_specified.html",
	"ISO-8859-5" },
	{ "ISO-8859-6_with_no_encoding_specified.html",
	"expected_ISO-8859-6_saved_from_no_encoding_specified.html",
	"ISO-8859-6" },
	{ "ISO-8859-7_with_no_encoding_specified.html",
	"expected_ISO-8859-7_saved_from_no_encoding_specified.html",
	"ISO-8859-7" },
	{ "ISO-8859-8_with_no_encoding_specified.html",
	"expected_ISO-8859-8_saved_from_no_encoding_specified.html",
	"ISO-8859-8-I" },
	{ "KOI8-R_with_no_encoding_specified.html",
	"expected_KOI8-R_saved_from_no_encoding_specified.html",
	"KOI8-R" },
	{ "Shift-JIS_with_no_encoding_specified.html",
	"expected_Shift-JIS_saved_from_no_encoding_specified.html",
	"Shift_JIS" },
	{ "UTF-8_with_no_encoding_specified.html",
	"expected_UTF-8_saved_from_no_encoding_specified.html",
	"UTF-8" },
	{ "windows-949_with_no_encoding_specified.html",
	"expected_windows-949_saved_from_no_encoding_specified.html",
	"windows-949" },
	{ "windows-1251_with_no_encoding_specified.html",
	"expected_windows-1251_saved_from_no_encoding_specified.html",
	"windows-1251" },
	{ "windows-1254_with_no_encoding_specified.html",
	"expected_windows-1254_saved_from_no_encoding_specified.html",
	"windows-1254" },
	{ "windows-1255_with_no_encoding_specified.html",
	"expected_windows-1255_saved_from_no_encoding_specified.html",
	"windows-1255" },
	{ "windows-1256_with_no_encoding_specified.html",
	"expected_windows-1256_saved_from_no_encoding_specified.html",
	"windows-1256" }
	};
	const char* const kAutoDetectDir = "auto_detect";
	// Directory of the files of expected results.
	const char* const kExpectedResultDir = "expected_results";

	// Full path of saved file. full_file_name = save_dir_ + file_name[i];
	FilePath full_saved_file_name;

	FilePath test_dir_path = FilePath(kTestDir).AppendASCII(kAutoDetectDir);

	scoped_refptr<BrowserProxy> browser(automation()->GetBrowserWindow(0));
	ASSERT_TRUE(browser.get());
	// Set the default charset to one of encodings not supported by the current
	// auto-detector (Please refer to the above comments) to make sure we
	// incorrectly decode the page. Now we use ISO-8859-4.
	ASSERT_TRUE(browser->SetStringPreference(prefs::kDefaultCharset,
	"ISO-8859-4"));
	scoped_refptr<TabProxy> tab(GetActiveTab());
	ASSERT_TRUE(tab.get());

	for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kTestDatas);i++) {
	FilePath test_file_path(test_dir_path);
	test_file_path = test_file_path.AppendASCII(kTestDatas[i].test_file_name);
	GURL url =
	URLRequestMockHTTPJob::GetMockUrl(test_file_path);
	ASSERT_TRUE(tab->NavigateToURL(url));

	// Disable auto detect if it is on.
	EXPECT_TRUE(
	browser->SetBooleanPreference(prefs::kWebKitUsesUniversalDetector,
	false));
	EXPECT_TRUE(tab->Reload());

	// Get the encoding used for the page, it must be the default charset we
	// just set.
	std::string encoding;
	EXPECT_TRUE(tab->GetPageCurrentEncoding(&encoding));
	EXPECT_EQ(encoding, "ISO-8859-4");

	// Enable the encoding auto detection.
	EXPECT_TRUE(browser->SetBooleanPreference(
	prefs::kWebKitUsesUniversalDetector, true));
	EXPECT_TRUE(tab->Reload());

	// Re-get the encoding of page. It should return the real encoding now.
	bool encoding_auto_detect = false;
	EXPECT_TRUE(
	browser->GetBooleanPreference(prefs::kWebKitUsesUniversalDetector,
	&encoding_auto_detect));
	EXPECT_TRUE(encoding_auto_detect);
	EXPECT_TRUE(tab->GetPageCurrentEncoding(&encoding));
	EXPECT_EQ(encoding, kTestDatas[i].expected_encoding);

	// Dump the page, the content of dump page should be equal with our expect
	// result file.
	full_saved_file_name = save_dir_.AppendASCII(kTestDatas[i].test_file_name);
	// Full path of expect result file.
	FilePath expected_result_file_name = FilePath().AppendASCII(kAutoDetectDir);
	expected_result_file_name = expected_result_file_name.AppendASCII(
	kExpectedResultDir);
	expected_result_file_name = expected_result_file_name.AppendASCII(
	kTestDatas[i].expected_result);
	EXPECT_TRUE(tab->SavePage(full_saved_file_name, temp_sub_resource_dir_,
	SavePackage::SAVE_AS_COMPLETE_HTML));
	EXPECT_TRUE(WaitForDownloadShelfVisible(browser.get()));
	CheckFile(full_saved_file_name, expected_result_file_name, true);
	}
	}