chrome_frame/test/util_unittests.cc

   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 "base/file_version_info.h"
   6 #include "base/file_version_info_win.h"
   7 #include "base/files/file_path.h"
   8 #include "base/strings/string_util.h"
   9 #include "base/strings/utf_string_conversions.h"
  10 #include "base/win/registry.h"
  11 #include "chrome_frame/navigation_constraints.h"
  12 #include "chrome_frame/registry_list_preferences_holder.h"
  13 #include "chrome_frame/test/chrome_frame_test_utils.h"
  14 #include "chrome_frame/utils.h"
  15
  16 #include "testing/gmock/include/gmock/gmock.h"
  17 #include "testing/gtest/include/gtest/gtest.h"
  18
  19 using base::win::RegKey;
  20
  21 const wchar_t kChannelName[] = L"-dev";
  22 const wchar_t kSuffix[] = L"-fix";
  23
  24 // Registry override in the UtilsTest will cause shell APIs to fail
  25 // So separate this test from the rest
  26 TEST(SimpleUtilTests, GetTempInternetFiles) {
  27   base::FilePath path = GetIETemporaryFilesFolder();
  28   EXPECT_FALSE(path.empty());
  29 }
  30
  31 class UtilTests : public testing::Test {
  32  protected:
  33   void SetUp() {
  34     DeleteAllSingletons();
  35   }
  36
  37   void TearDown() {
  38     registry_virtualization_.RemoveAllOverrides();
  39   }
  40
  41   // This is used to manage life cycle of PolicySettings singleton.
  42   // base::ShadowingAtExitManager at_exit_manager_;
  43   chrome_frame_test::ScopedVirtualizeHklmAndHkcu registry_virtualization_;
  44 };
  45
  46 TEST_F(UtilTests, GetModuleVersionTest) {
  47   HMODULE mod = GetModuleHandle(L"kernel32.dll");
  48   EXPECT_NE(mod, static_cast<HMODULE>(NULL));
  49   wchar_t path[MAX_PATH] = {0};
  50   GetModuleFileName(mod, path, arraysize(path));
  51
  52   // Use the method that goes to disk
  53   scoped_ptr<FileVersionInfo> base_info(
  54       FileVersionInfo::CreateFileVersionInfo(base::FilePath(path)));
  55   EXPECT_TRUE(base_info.get() != NULL);
  56
  57   // Use the method that doesn't go to disk
  58   uint32 low = 0, high = 0;
  59   EXPECT_TRUE(GetModuleVersion(mod, &high, &low));
  60   EXPECT_NE(high, 0u);
  61   EXPECT_NE(low, 0u);
  62
  63   // Make sure they give the same results.
  64   FileVersionInfoWin* base_info_win =
  65       static_cast<FileVersionInfoWin*>(base_info.get());
  66   VS_FIXEDFILEINFO* fixed_info = base_info_win->fixed_file_info();
  67   EXPECT_TRUE(fixed_info != NULL);
  68
  69   EXPECT_EQ(fixed_info->dwFileVersionMS, static_cast<DWORD>(high));
  70   EXPECT_EQ(fixed_info->dwFileVersionLS, static_cast<DWORD>(low));
  71 }
  72
  73 TEST_F(UtilTests, HaveSameOrigin) {
  74   struct OriginCompare {
  75     const char* a;
  76     const char* b;
  77     bool same_origin;
  78   } test_cases[] = {
  79     { "", "", true },
  80     { "*", "*", true },
  81     { "*", "+", false },
  82     { "http://www.google.com/", "http://www.google.com/", true },
  83     { "http://www.google.com", "http://www.google.com/", true },
  84     { "http://www.google.com:80/", "http://www.google.com/", true },
  85     { "http://www.google.com:8080/", "http://www.google.com/", false },
  86     { "https://www.google.com/", "http://www.google.com/", false },
  87     { "http://docs.google.com/", "http://www.google.com/", false },
  88     { "https://www.google.com/", "https://www.google.com:443/", true },
  89     { "https://www.google.com/", "https://www.google.com:443", true },
  90   };
  91
  92   for (int i = 0; i < arraysize(test_cases); ++i) {
  93     const OriginCompare& test = test_cases[i];
  94     EXPECT_EQ(test.same_origin, HaveSameOrigin(test.a, test.b));
  95   }
  96 }
  97
  98 TEST_F(UtilTests, IsValidUrlScheme) {
  99   struct Cases {
 100     const wchar_t* url;
 101     bool is_privileged;
 102     bool expected;
 103   } test_cases[] = {
 104     // non-privileged test cases
 105     { L"http://www.google.ca", false, true },
 106     { L"https://www.google.ca", false, true },
 107     { L"about:config", false, true },
 108     { L"view-source:http://www.google.ca", false, true },
 109     { L"chrome-extension://aaaaaaaaaaaaaaaaaaa/monkey.html", false, false },
 110     { L"ftp://www.google.ca", false, false },
 111     { L"file://www.google.ca", false, false },
 112     { L"file://C:\boot.ini", false, false },
 113
 114     // privileged test cases
 115     { L"http://www.google.ca", true, true },
 116     { L"https://www.google.ca", true, true },
 117     { L"about:config", true, true },
 118     { L"view-source:http://www.google.ca", true, true },
 119     { L"chrome-extension://aaaaaaaaaaaaaaaaaaa/monkey.html", true, true },
 120     { L"ftp://www.google.ca", true, false },
 121     { L"file://www.google.ca", true, false },
 122     { L"file://C:\boot.ini", true, false },
 123   };
 124
 125   for (int i = 0; i < arraysize(test_cases); ++i) {
 126     const Cases& test = test_cases[i];
 127     EXPECT_EQ(test.expected, IsValidUrlScheme(GURL(test.url),
 128                                               test.is_privileged));
 129   }
 130 }
 131
 132 TEST_F(UtilTests, GuidToString) {
 133   // {3C5E2125-35BA-48df-A841-5F669B9D69FC}
 134   const GUID test_guid = { 0x3c5e2125, 0x35ba, 0x48df,
 135       { 0xa8, 0x41, 0x5f, 0x66, 0x9b, 0x9d, 0x69, 0xfc } };
 136
 137   wchar_t compare[64] = {0};
 138   ::StringFromGUID2(test_guid, compare, arraysize(compare));
 139
 140   std::wstring str_guid(GuidToString(test_guid));
 141   EXPECT_EQ(0, str_guid.compare(compare));
 142   EXPECT_EQ(static_cast<size_t>(lstrlenW(compare)), str_guid.length());
 143 }
 144
 145 TEST_F(UtilTests, ParseAttachTabUrlTest) {
 146   ChromeFrameUrl cf_url;
 147
 148   static const std::string kProfileName("iexplore");
 149
 150   EXPECT_TRUE(cf_url.Parse(
 151       L"http://f/?attach_external_tab&10&1&2&3&123&321&iexplore"));
 152
 153   EXPECT_TRUE(cf_url.attach_to_external_tab());
 154   EXPECT_FALSE(cf_url.is_chrome_protocol());
 155   EXPECT_EQ(10, cf_url.cookie());
 156   EXPECT_EQ(1, cf_url.disposition());
 157   EXPECT_EQ(gfx::Rect(2, 3, 123, 321), cf_url.dimensions());
 158   EXPECT_EQ(kProfileName, cf_url.profile_name());
 159
 160   EXPECT_TRUE(cf_url.Parse(
 161       L"http://www.foobar.com?&10&1&2&3&123&321&iexplore"));
 162   EXPECT_FALSE(cf_url.attach_to_external_tab());
 163   EXPECT_FALSE(cf_url.is_chrome_protocol());
 164   EXPECT_EQ(0, cf_url.cookie());
 165   EXPECT_EQ(0, cf_url.disposition());
 166   EXPECT_EQ(gfx::Rect(0, 0, 0, 0), cf_url.dimensions());
 167   EXPECT_TRUE(cf_url.profile_name().empty());
 168
 169   EXPECT_FALSE(cf_url.Parse(L"attach_external_tab&10&1"));
 170   EXPECT_FALSE(cf_url.attach_to_external_tab());
 171   EXPECT_FALSE(cf_url.is_chrome_protocol());
 172   EXPECT_EQ(0, cf_url.cookie());
 173   EXPECT_EQ(0, cf_url.disposition());
 174   EXPECT_EQ(gfx::Rect(0, 0, 0, 0), cf_url.dimensions());
 175   EXPECT_TRUE(cf_url.profile_name().empty());
 176
 177   EXPECT_TRUE(cf_url.Parse(
 178       L"gcf:http://f/?attach_tab&10&1&2&3&123&321&iexplore"));
 179   EXPECT_FALSE(cf_url.attach_to_external_tab());
 180   EXPECT_TRUE(cf_url.is_chrome_protocol());
 181   EXPECT_EQ(0, cf_url.cookie());
 182   EXPECT_EQ(0, cf_url.disposition());
 183   EXPECT_EQ(gfx::Rect(0, 0, 0, 0), cf_url.dimensions());
 184   EXPECT_TRUE(cf_url.profile_name().empty());
 185
 186   EXPECT_TRUE(cf_url.Parse(L"gcf:http://google.com"));
 187   EXPECT_FALSE(cf_url.attach_to_external_tab());
 188   EXPECT_TRUE(cf_url.is_chrome_protocol());
 189   EXPECT_EQ(0, cf_url.cookie());
 190   EXPECT_EQ(0, cf_url.disposition());
 191   EXPECT_EQ(gfx::Rect(0, 0, 0, 0), cf_url.dimensions());
 192   EXPECT_EQ(cf_url.gurl(), GURL("http://google.com"));
 193   EXPECT_TRUE(cf_url.profile_name().empty());
 194 }
 195
 196 // Mock for the IInternetSecurityManager interface
 197 class MockIInternetSecurityManager : public IInternetSecurityManager {
 198  public:
 199   MOCK_METHOD2_WITH_CALLTYPE(__stdcall, QueryInterface,
 200       HRESULT(REFIID iid, void** object));
 201
 202   MOCK_METHOD0_WITH_CALLTYPE(__stdcall, AddRef, ULONG());
 203   MOCK_METHOD0_WITH_CALLTYPE(__stdcall, Release, ULONG());
 204
 205   MOCK_METHOD1_WITH_CALLTYPE(__stdcall, SetSecuritySite,
 206       HRESULT(IInternetSecurityMgrSite* site));
 207   MOCK_METHOD1_WITH_CALLTYPE(__stdcall, GetSecuritySite,
 208       HRESULT(IInternetSecurityMgrSite** site));
 209   MOCK_METHOD3_WITH_CALLTYPE(__stdcall, MapUrlToZone,
 210       HRESULT(LPCWSTR url, DWORD* zone, DWORD flags));
 211   MOCK_METHOD4_WITH_CALLTYPE(__stdcall, GetSecurityId,
 212       HRESULT(LPCWSTR url, BYTE* security_id, DWORD* security_size,
 213               DWORD_PTR reserved));
 214   MOCK_METHOD8_WITH_CALLTYPE(__stdcall, ProcessUrlAction,
 215       HRESULT(LPCWSTR url, DWORD action, BYTE* policy, DWORD cb_policy,
 216               BYTE* context, DWORD context_size, DWORD flags,
 217               DWORD reserved));
 218   MOCK_METHOD7_WITH_CALLTYPE(__stdcall, QueryCustomPolicy,
 219       HRESULT(LPCWSTR url, REFGUID guid, BYTE** policy, DWORD* cb_policy,
 220               BYTE* context, DWORD cb_context, DWORD reserved));
 221   MOCK_METHOD3_WITH_CALLTYPE(__stdcall, SetZoneMapping,
 222       HRESULT(DWORD zone, LPCWSTR pattern, DWORD flags));
 223   MOCK_METHOD3_WITH_CALLTYPE(__stdcall, GetZoneMappings,
 224       HRESULT(DWORD zone, IEnumString** enum_string, DWORD flags));
 225 };
 226
 227 // This class provides a partial mock for the NavigationConstraints
 228 // interface by providing specialized zone overrides.
 229 class MockNavigationConstraintsZoneOverride
 230     : public NavigationConstraintsImpl {
 231  public:
 232   MOCK_METHOD1(IsZoneAllowed, bool(const GURL&url));
 233 };
 234
 235 // Mock NavigationConstraints
 236 class MockNavigationConstraints : public NavigationConstraints {
 237  public:
 238   MOCK_METHOD0(AllowUnsafeUrls, bool());
 239   MOCK_METHOD1(IsSchemeAllowed, bool(const GURL& url));
 240   MOCK_METHOD1(IsZoneAllowed, bool(const GURL& url));
 241 };
 242
 243 // Matcher which returns true if the URL passed in starts with the prefix
 244 // specified.
 245 MATCHER_P(UrlPathStartsWith, url_prefix, "url starts with prefix") {
 246   return StartsWith(UTF8ToWide(arg.spec()), url_prefix, false);
 247 }
 248
 249 ACTION_P3(HandleZone, mock, url_prefix, zone) {
 250   if (StartsWith(UTF8ToWide(arg0.spec()), url_prefix, false))
 251     return zone != URLZONE_UNTRUSTED;
 252   return false;
 253 }
 254
 255 TEST_F(UtilTests, CanNavigateTest) {
 256   MockNavigationConstraintsZoneOverride mock;
 257
 258   struct Zones {
 259     const wchar_t* url_prefix;
 260     URLZONE zone;
 261   } test_zones[] = {
 262     { L"http://blah", URLZONE_INTERNET },
 263     { L"http://untrusted", URLZONE_UNTRUSTED },
 264     { L"about:", URLZONE_TRUSTED },
 265     { L"view-source:", URLZONE_TRUSTED },
 266     { L"chrome-extension:", URLZONE_TRUSTED },
 267     { L"data:", URLZONE_INTERNET },
 268     { L"ftp:", URLZONE_UNTRUSTED },
 269     { L"file:", URLZONE_LOCAL_MACHINE },
 270     { L"sip:", URLZONE_UNTRUSTED },
 271   };
 272
 273   for (int i = 0; i < arraysize(test_zones); ++i) {
 274     const Zones& zone = test_zones[i];
 275     EXPECT_CALL(mock, IsZoneAllowed(UrlPathStartsWith(zone.url_prefix)))
 276         .WillRepeatedly(testing::Return(zone.zone != URLZONE_UNTRUSTED));
 277   }
 278
 279   struct Cases {
 280     const char* url;
 281     bool default_expected;
 282     bool unsafe_expected;
 283     bool is_privileged;
 284   } test_cases[] = {
 285     // Invalid URL
 286     { "          ", false, false, false },
 287     { "foo bar", false, false, false },
 288
 289     // non-privileged test cases
 290     { "http://blah/?attach_external_tab&10&1&0&0&100&100&iexplore", true,
 291        true, false },
 292     { "http://untrusted/bar.html", false, true, false },
 293     { "http://blah/?attach_external_tab&10&1&0&0&100&100&iexplore", true,
 294        true, false },
 295     { "view-source:http://www.google.ca", true, true, false },
 296     { "view-source:javascript:alert('foo');", false, true, false },
 297     { "about:blank", true, true, false },
 298     { "About:Version", true, true, false },
 299     { "about:config", false, true, false },
 300     { "chrome-extension://aaaaaaaaaaaaaaaaaaa/monkey.html", false, true,
 301        false },
 302     { "ftp://www.google.ca", false, true, false },
 303     { "file://www.google.ca", false, true, false },
 304     { "file://C:\boot.ini", false, true, false },
 305     { "SIP:someone@10.1.2.3", false, true, false },
 306
 307     // privileged test cases
 308     { "chrome-extension://aaaaaaaaaaaaaaaaaaa/monkey.html", true, true,
 309        true },
 310     { "data://aaaaaaaaaaaaaaaaaaa/monkey.html", true, true, true },
 311   };
 312
 313   for (int i = 0; i < arraysize(test_cases); ++i) {
 314     const Cases& test = test_cases[i];
 315     mock.set_is_privileged(test.is_privileged);
 316     bool actual = CanNavigate(GURL(test.url), &mock);
 317     EXPECT_EQ(test.default_expected, actual) << "Failure url: " << test.url;
 318   }
 319 }
 320
 321 TEST_F(UtilTests, CanNavigateTestDenyAll) {
 322   MockNavigationConstraints mock;
 323
 324   EXPECT_CALL(mock, IsZoneAllowed(testing::_))
 325       .Times(testing::AnyNumber())
 326       .WillRepeatedly(testing::Return(false));
 327
 328   EXPECT_CALL(mock, IsSchemeAllowed(testing::_))
 329       .Times(testing::AnyNumber())
 330       .WillRepeatedly(testing::Return(false));
 331
 332   EXPECT_CALL(mock, AllowUnsafeUrls())
 333       .Times(testing::AnyNumber())
 334       .WillRepeatedly(testing::Return(false));
 335
 336   char *urls[] = {
 337     { "          "},
 338     { "foo bar"},
 339     // non-privileged test cases
 340     { "http://blah/?attach_external_tab&10&1&0&0&100&100&iexplore"},
 341     { "http://untrusted/bar.html"},
 342     { "http://blah/?attach_external_tab&10&1&0&0&100&100&iexplore"},
 343     { "view-source:http://www.google.ca"},
 344     { "view-source:javascript:alert('foo');"},
 345     { "about:blank"},
 346     { "About:Version"},
 347     { "about:config"},
 348     { "chrome-extension://aaaaaaaaaaaaaaaaaaa/monkey.html"},
 349     { "ftp://www.google.ca"},
 350     { "file://www.google.ca"},
 351     { "file://C:\boot.ini"},
 352     { "SIP:someone@10.1.2.3"},
 353   };
 354
 355   for (int i = 0; i < arraysize(urls); ++i) {
 356     EXPECT_FALSE(CanNavigate(GURL(urls[i]), &mock));
 357   }
 358 }
 359
 360 TEST_F(UtilTests, CanNavigateTestAllowAll) {
 361   MockNavigationConstraints mock;
 362
 363   EXPECT_CALL(mock, AllowUnsafeUrls())
 364       .Times(testing::AnyNumber())
 365       .WillRepeatedly(testing::Return(false));
 366
 367   EXPECT_CALL(mock, IsSchemeAllowed(testing::_))
 368       .Times(testing::AnyNumber())
 369       .WillRepeatedly(testing::Return(true));
 370
 371   EXPECT_CALL(mock, IsZoneAllowed(testing::_))
 372       .Times(testing::AnyNumber())
 373       .WillRepeatedly(testing::Return(true));
 374
 375   char *urls[] = {
 376     // non-privileged test cases
 377     { "http://blah/?attach_external_tab&10&1&0&0&100&100&iexplore"},
 378     { "http://untrusted/bar.html"},
 379     { "http://blah/?attach_external_tab&10&1&0&0&100&100&iexplore"},
 380     { "view-source:http://www.google.ca"},
 381     { "view-source:javascript:alert('foo');"},
 382     { "about:blank"},
 383     { "About:Version"},
 384     { "about:config"},
 385     { "chrome-extension://aaaaaaaaaaaaaaaaaaa/monkey.html"},
 386     { "ftp://www.google.ca"},
 387     { "file://www.google.ca"},
 388     { "file://C:\boot.ini"},
 389     { "SIP:someone@10.1.2.3"},
 390     { "gcf:about:cache"},
 391     { "gcf:about:plugins"},
 392   };
 393
 394   for (int i = 0; i < arraysize(urls); ++i) {
 395     EXPECT_TRUE(CanNavigate(GURL(urls[i]), &mock));
 396   }
 397 }
 398
 399 TEST_F(UtilTests, CanNavigateTestAllowAllUnsafeUrls) {
 400   MockNavigationConstraints mock;
 401
 402   EXPECT_CALL(mock, AllowUnsafeUrls())
 403       .Times(testing::AnyNumber())
 404       .WillRepeatedly(testing::Return(true));
 405
 406   char *urls[] = {
 407     {"gcf:about:cache"},
 408     {"gcf:http://www.google.com"},
 409     {"view-source:javascript:alert('foo');"},
 410     {"http://www.google.com"},
 411   };
 412
 413   for (int i = 0; i < arraysize(urls); ++i) {
 414     EXPECT_TRUE(CanNavigate(GURL(urls[i]), &mock));
 415   }
 416 }
 417
 418 TEST_F(UtilTests, IsDefaultRendererTest) {
 419   RegKey config_key(HKEY_CURRENT_USER, kChromeFrameConfigKey, KEY_ALL_ACCESS);
 420   EXPECT_TRUE(config_key.Valid());
 421
 422   DWORD saved_default_renderer = 0;  // NOLINT
 423   config_key.ReadValueDW(kEnableGCFRendererByDefault, &saved_default_renderer);
 424
 425   config_key.DeleteValue(kEnableGCFRendererByDefault);
 426   EXPECT_FALSE(IsGcfDefaultRenderer());
 427
 428   config_key.WriteValue(kEnableGCFRendererByDefault, static_cast<DWORD>(0));
 429   EXPECT_FALSE(IsGcfDefaultRenderer());
 430
 431   config_key.WriteValue(kEnableGCFRendererByDefault, static_cast<DWORD>(1));
 432   EXPECT_TRUE(IsGcfDefaultRenderer());
 433
 434   config_key.WriteValue(kEnableGCFRendererByDefault, saved_default_renderer);
 435 }
 436
 437 TEST_F(UtilTests, RendererTypeForUrlTest) {
 438   // Open all the keys we need.
 439   RegKey config_key(HKEY_CURRENT_USER, kChromeFrameConfigKey, KEY_ALL_ACCESS);
 440   EXPECT_TRUE(config_key.Valid());
 441   RegKey opt_for_gcf(config_key.Handle(), kRenderInGCFUrlList, KEY_ALL_ACCESS);
 442   EXPECT_TRUE(opt_for_gcf.Valid());
 443   RegKey opt_for_host(config_key.Handle(), kRenderInHostUrlList,
 444                       KEY_ALL_ACCESS);
 445   EXPECT_TRUE(opt_for_host.Valid());
 446   if (!config_key.Valid() || !opt_for_gcf.Valid() || !opt_for_host.Valid())
 447     return;
 448
 449   const wchar_t kTestFilter[] = L"*.testing.chromium.org";
 450   const wchar_t kTestUrl[] = L"www.testing.chromium.org";
 451
 452   // Save the current state of the registry.
 453   DWORD saved_default_renderer = 0;
 454   config_key.ReadValueDW(kEnableGCFRendererByDefault, &saved_default_renderer);
 455
 456   // We need to manually reset the holder between checks.
 457   // TODO(robertshield): Remove this when the RegistryWatcher is wired up.
 458   RegistryListPreferencesHolder& renderer_type_preferences_holder =
 459       GetRendererTypePreferencesHolderForTesting();
 460
 461   // Make sure the host is the default renderer.
 462   config_key.WriteValue(kEnableGCFRendererByDefault, static_cast<DWORD>(0));
 463   EXPECT_FALSE(IsGcfDefaultRenderer());
 464
 465   opt_for_gcf.DeleteValue(kTestFilter);  // Just in case this exists
 466   EXPECT_EQ(RENDERER_TYPE_UNDETERMINED, RendererTypeForUrl(kTestUrl));
 467   opt_for_gcf.WriteValue(kTestFilter, L"");
 468   renderer_type_preferences_holder.ResetForTesting();
 469   EXPECT_EQ(RENDERER_TYPE_CHROME_OPT_IN_URL, RendererTypeForUrl(kTestUrl));
 470
 471   // Now set GCF as the default renderer.
 472   config_key.WriteValue(kEnableGCFRendererByDefault, static_cast<DWORD>(1));
 473   EXPECT_TRUE(IsGcfDefaultRenderer());
 474
 475   opt_for_host.DeleteValue(kTestFilter);  // Just in case this exists
 476   renderer_type_preferences_holder.ResetForTesting();
 477   EXPECT_EQ(RENDERER_TYPE_CHROME_DEFAULT_RENDERER,
 478             RendererTypeForUrl(kTestUrl));
 479   opt_for_host.WriteValue(kTestFilter, L"");
 480   renderer_type_preferences_holder.ResetForTesting();
 481   EXPECT_EQ(RENDERER_TYPE_UNDETERMINED, RendererTypeForUrl(kTestUrl));
 482
 483   // Cleanup.
 484   opt_for_gcf.DeleteValue(kTestFilter);
 485   opt_for_host.DeleteValue(kTestFilter);
 486   config_key.WriteValue(kEnableGCFRendererByDefault, saved_default_renderer);
 487   renderer_type_preferences_holder.ResetForTesting();
 488   RendererTypeForUrl(L"");
 489 }
 490
 491 TEST_F(UtilTests, XUaCompatibleDirectiveTest) {
 492   int all_versions[] = {0, 1, 2, 5, 6, 7, 8, 9, 10, 11, 99, 100, 101, 1000};
 493
 494   struct Cases {
 495     const char* header_value;
 496     int max_version;
 497   } test_cases[] = {
 498     // Negative cases
 499     { "", -1 },
 500     { "chrome=", -1 },
 501     { "chrome", -1 },
 502     { "chrome=X", -1 },
 503     { "chrome=IE", -1 },
 504     { "chrome=IE-7", -1 },
 505     { "chrome=IE+7", -1 },
 506     { "chrome=IE 7", -1 },
 507     { "chrome=IE7.0", -1 },
 508     { "chrome=FF7", -1 },
 509     { "chrome=IE7+", -1 },
 510     { "chrome=IE99999999999999999999", -1 },
 511     { "chrome=IE0", -1 },
 512     // Always on
 513     { "chrome=1", INT_MAX },
 514     // Basic positive cases
 515     { "chrome=IE1", 1 },
 516     { "CHROME=IE6", 6 },
 517     { "Chrome=IE10", 10 },
 518     { "ChRoMe=IE100", 100 },
 519     // Positive formatting variations
 520     { "  chrome=IE6  ", 6 },
 521     { "  chrome=IE6;  ", 6 },
 522     { "  chrome=IE6; IE=8 ", 6 },
 523     { "  IE=8;chrome=IE6;", 6 },
 524     { "  IE=8;chrome=IE6;", 6 },
 525     { "  IE=8 ; chrome = IE6 ;", 6 },
 526     // Ignore unrecognized values
 527     { "  IE=8 ; chrome = IE7.1; chrome = IE6;", 6 },
 528     // First valid wins
 529     { "  IE=8 ; chrome = IE6; chrome = IE8;", 6 },
 530     // Comma delimiter
 531     { "  IE=8,chrome=IE6;", -1 },
 532     { "  IE=8,chrome=IE6", 6 },
 533     { "  IE=8,chrome=IE6, Something=Else;Why;Not", 6 },
 534     { "  IE=8,chrome=1,Something=Else", INT_MAX },
 535     { "  IE=8(a;b;c),chrome=IE7,Something=Else", 7 }
 536   };
 537
 538   for (int case_index = 0; case_index < arraysize(test_cases); ++case_index) {
 539     const Cases& test = test_cases[case_index];
 540
 541     // Check that all versions <= max_version are matched
 542     for (size_t version_index = 0;
 543          version_index < arraysize(all_versions);
 544          ++version_index) {
 545       bool expect_match = (all_versions[version_index] <= test.max_version);
 546
 547       ASSERT_EQ(expect_match,
 548                 CheckXUaCompatibleDirective(test.header_value,
 549                                             all_versions[version_index]))
 550           << "Expect '" << test.header_value << "' to "
 551           << (expect_match ? "match" : "not match") << " IE major version "
 552           << all_versions[version_index];
 553     }
 554   }
 555 }