src/chrome/common/content_settings_pattern_unittest.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 "chrome/common/content_settings_pattern.h"
   6
   7 #include "testing/gtest/include/gtest/gtest.h"
   8 #include "url/gurl.h"
   9
  10 namespace {
  11
  12 ContentSettingsPattern Pattern(const std::string& str) {
  13   return ContentSettingsPattern::FromString(str);
  14 }
  15
  16 }  // namespace
  17
  18 TEST(ContentSettingsPatternTest, RealWorldPatterns) {
  19   // This is the place for real world patterns that unveiled bugs.
  20   EXPECT_STREQ("[*.]ikea.com",
  21                Pattern("[*.]ikea.com").ToString().c_str());
  22 }
  23
  24 TEST(ContentSettingsPatternTest, GURL) {
  25   // Document and verify GURL behavior.
  26   GURL url("http://mail.google.com:80");
  27   EXPECT_EQ(-1, url.IntPort());
  28   EXPECT_EQ("", url.port());
  29
  30   url = GURL("http://mail.google.com");
  31   EXPECT_EQ(-1, url.IntPort());
  32   EXPECT_EQ("", url.port());
  33
  34   url = GURL("https://mail.google.com:443");
  35   EXPECT_EQ(-1, url.IntPort());
  36   EXPECT_EQ("", url.port());
  37
  38   url = GURL("https://mail.google.com");
  39   EXPECT_EQ(-1, url.IntPort());
  40   EXPECT_EQ("", url.port());
  41
  42   url = GURL("http://mail.google.com");
  43   EXPECT_EQ(-1, url.IntPort());
  44   EXPECT_EQ("", url.port());
  45 }
  46
  47 TEST(ContentSettingsPatternTest, FromURL) {
  48   // NOTICE: When content settings pattern are created from a GURL the following
  49   // happens:
  50   // - If the GURL scheme is "http" the scheme wildcard is used. Otherwise the
  51   //   GURL scheme is used.
  52   // - A domain wildcard is added to the GURL host.
  53   // - A port wildcard is used instead of the schemes default port.
  54   //   In case of non-default ports the specific GURL port is used.
  55   ContentSettingsPattern pattern = ContentSettingsPattern::FromURL(
  56       GURL("http://www.youtube.com"));
  57   EXPECT_TRUE(pattern.IsValid());
  58   EXPECT_STREQ("[*.]www.youtube.com", pattern.ToString().c_str());
  59
  60   // Patterns created from a URL.
  61   pattern = ContentSettingsPattern::FromURL(GURL("http://www.google.com"));
  62   EXPECT_TRUE(pattern.Matches(GURL("http://www.google.com")));
  63   EXPECT_TRUE(pattern.Matches(GURL("http://foo.www.google.com")));
  64   EXPECT_TRUE(pattern.Matches(GURL("http://www.google.com:80")));
  65   EXPECT_TRUE(pattern.Matches(GURL("http://www.google.com:81")));
  66   EXPECT_FALSE(pattern.Matches(GURL("https://mail.google.com")));
  67   EXPECT_TRUE(pattern.Matches(GURL("https://www.google.com")));
  68
  69   pattern = ContentSettingsPattern::FromURL(GURL("http://www.google.com:80"));
  70   EXPECT_TRUE(pattern.Matches(GURL("http://www.google.com")));
  71   EXPECT_TRUE(pattern.Matches(GURL("http://www.google.com:80")));
  72   EXPECT_TRUE(pattern.Matches(GURL("http://www.google.com:81")));
  73
  74   pattern = ContentSettingsPattern::FromURL(GURL("https://www.google.com:443"));
  75   EXPECT_TRUE(pattern.Matches(GURL("https://www.google.com")));
  76   EXPECT_TRUE(pattern.Matches(GURL("https://foo.www.google.com")));
  77   EXPECT_TRUE(pattern.Matches(GURL("https://www.google.com:443")));
  78   EXPECT_FALSE(pattern.Matches(GURL("https://www.google.com:444")));
  79   EXPECT_FALSE(pattern.Matches(GURL("http://www.google.com:443")));
  80
  81   pattern = ContentSettingsPattern::FromURL(GURL("https://127.0.0.1"));
  82   EXPECT_TRUE(pattern.IsValid());
  83   EXPECT_STREQ("https://127.0.0.1:443", pattern.ToString().c_str());
  84
  85   pattern = ContentSettingsPattern::FromURL(GURL("http://[::1]"));
  86   EXPECT_TRUE(pattern.IsValid());
  87
  88   pattern = ContentSettingsPattern::FromURL(GURL("file:///foo/bar.html"));
  89   EXPECT_TRUE(pattern.IsValid());
  90   EXPECT_EQ("file:///foo/bar.html", pattern.ToString());
  91 }
  92
  93 TEST(ContentSettingsPatternTest, FilesystemUrls) {
  94   ContentSettingsPattern pattern =
  95       ContentSettingsPattern::FromURL(GURL("http://www.google.com"));
  96   EXPECT_TRUE(pattern.Matches(
  97       GURL("filesystem:http://www.google.com/temporary/")));
  98   EXPECT_TRUE(pattern.Matches(
  99       GURL("filesystem:http://foo.www.google.com/temporary/")));
 100   EXPECT_TRUE(pattern.Matches(
 101       GURL("filesystem:http://www.google.com:80/temporary/")));
 102   EXPECT_TRUE(pattern.Matches(
 103       GURL("filesystem:http://www.google.com:81/temporary/")));
 104
 105   pattern = ContentSettingsPattern::FromURL(GURL("https://www.google.com"));
 106   EXPECT_TRUE(pattern.Matches(
 107       GURL("filesystem:https://www.google.com/temporary/")));
 108   EXPECT_TRUE(pattern.Matches(
 109       GURL("filesystem:https://www.google.com:443/temporary/")));
 110   EXPECT_TRUE(pattern.Matches(
 111       GURL("filesystem:https://foo.www.google.com/temporary/")));
 112   EXPECT_FALSE(pattern.Matches(
 113       GURL("filesystem:https://www.google.com:81/temporary/")));
 114
 115   // A pattern from a filesystem URLs is equivalent to a pattern from the inner
 116   // URL of the filesystem URL.
 117   ContentSettingsPattern pattern2 = ContentSettingsPattern::FromURL(
 118       GURL("filesystem:https://www.google.com/temporary/"));
 119   EXPECT_EQ(ContentSettingsPattern::IDENTITY, pattern.Compare(pattern2));
 120
 121   EXPECT_STREQ("https://[*.]www.google.com:443", pattern2.ToString().c_str());
 122
 123   pattern =
 124       ContentSettingsPattern::FromURL(
 125           GURL("filesystem:file:///temporary/foo/bar"));
 126   EXPECT_TRUE(pattern.Matches(GURL("filesystem:file:///temporary/")));
 127   EXPECT_TRUE(pattern.Matches(GURL("filesystem:file:///temporary/test.txt")));
 128   EXPECT_TRUE(pattern.Matches(GURL("file:///temporary")));
 129   EXPECT_FALSE(pattern.Matches(GURL("file://foo/bar")));
 130   pattern2 =
 131       ContentSettingsPattern::FromURL(
 132           GURL("filesystem:file:///persistent/foo2/bar2"));
 133   EXPECT_EQ(ContentSettingsPattern::IDENTITY, pattern.Compare(pattern2));
 134 }
 135
 136 TEST(ContentSettingsPatternTest, FromURLNoWildcard) {
 137   // If no port is specifed GURLs always use the default port for the schemes
 138   // HTTP and HTTPS. Hence a GURL always carries a port specification either
 139   // explicitly or implicitly. Therefore if a content settings pattern is
 140   // created from a GURL with no wildcard, specific values are used for the
 141   // scheme, host and port part of the pattern.
 142   // Creating content settings patterns from strings behaves different. Pattern
 143   // parts that are omitted in pattern specifications (strings), are completed
 144   // with a wildcard.
 145   ContentSettingsPattern pattern = ContentSettingsPattern::FromURLNoWildcard(
 146       GURL("http://www.example.com"));
 147   EXPECT_TRUE(pattern.IsValid());
 148   EXPECT_STREQ("http://www.example.com:80", pattern.ToString().c_str());
 149   EXPECT_TRUE(pattern.Matches(GURL("http://www.example.com")));
 150   EXPECT_FALSE(pattern.Matches(GURL("https://www.example.com")));
 151   EXPECT_FALSE(pattern.Matches(GURL("http://foo.www.example.com")));
 152
 153   pattern = ContentSettingsPattern::FromURLNoWildcard(
 154       GURL("https://www.example.com"));
 155   EXPECT_TRUE(pattern.IsValid());
 156   EXPECT_STREQ("https://www.example.com:443", pattern.ToString().c_str());
 157   EXPECT_FALSE(pattern.Matches(GURL("http://www.example.com")));
 158   EXPECT_TRUE(pattern.Matches(GURL("https://www.example.com")));
 159   EXPECT_FALSE(pattern.Matches(GURL("http://foo.www.example.com")));
 160
 161   // Pattern for filesystem URLs
 162   pattern =
 163       ContentSettingsPattern::FromURLNoWildcard(
 164           GURL("filesystem:http://www.google.com/temporary/"));
 165   EXPECT_TRUE(pattern.IsValid());
 166   EXPECT_TRUE(pattern.Matches(GURL("http://www.google.com")));
 167   EXPECT_FALSE(pattern.Matches(GURL("http://foo.www.google.com")));
 168   EXPECT_TRUE(pattern.Matches(
 169       GURL("filesystem:http://www.google.com/persistent/")));
 170   EXPECT_FALSE(pattern.Matches(
 171       GURL("filesystem:https://www.google.com/persistent/")));
 172   EXPECT_FALSE(pattern.Matches(
 173       GURL("filesystem:https://www.google.com:81/temporary/")));
 174   EXPECT_FALSE(pattern.Matches(
 175       GURL("filesystem:https://foo.www.google.com/temporary/")));
 176 }
 177
 178 TEST(ContentSettingsPatternTest, Wildcard) {
 179   EXPECT_TRUE(ContentSettingsPattern::Wildcard().IsValid());
 180
 181   EXPECT_TRUE(ContentSettingsPattern::Wildcard().Matches(
 182       GURL("http://www.google.com")));
 183   EXPECT_TRUE(ContentSettingsPattern::Wildcard().Matches(
 184       GURL("https://www.google.com")));
 185   EXPECT_TRUE(ContentSettingsPattern::Wildcard().Matches(
 186       GURL("https://myhost:8080")));
 187   EXPECT_TRUE(ContentSettingsPattern::Wildcard().Matches(
 188       GURL("file:///foo/bar.txt")));
 189
 190   EXPECT_STREQ("*", ContentSettingsPattern::Wildcard().ToString().c_str());
 191
 192   EXPECT_EQ(ContentSettingsPattern::IDENTITY,
 193             ContentSettingsPattern::Wildcard().Compare(
 194                 ContentSettingsPattern::Wildcard()));
 195 }
 196
 197 TEST(ContentSettingsPatternTest, TrimEndingDotFromHost) {
 198   EXPECT_TRUE(Pattern("www.example.com").IsValid());
 199   EXPECT_TRUE(Pattern("www.example.com").Matches(
 200       GURL("http://www.example.com")));
 201   EXPECT_TRUE(Pattern("www.example.com").Matches(
 202       GURL("http://www.example.com.")));
 203
 204   EXPECT_TRUE(Pattern("www.example.com.").IsValid());
 205   EXPECT_STREQ("www.example.com",
 206                Pattern("www.example.com.").ToString().c_str());
 207
 208   EXPECT_TRUE(Pattern("www.example.com.") == Pattern("www.example.com"));
 209
 210   EXPECT_TRUE(Pattern(".").IsValid());
 211   EXPECT_STREQ(".", Pattern(".").ToString().c_str());
 212 }
 213
 214 TEST(ContentSettingsPatternTest, FromString_WithNoWildcards) {
 215   // HTTP patterns with default port.
 216   EXPECT_TRUE(Pattern("http://www.example.com:80").IsValid());
 217   EXPECT_STREQ("http://www.example.com:80",
 218                Pattern("http://www.example.com:80").ToString().c_str());
 219   // HTTP patterns with none default port.
 220   EXPECT_TRUE(Pattern("http://www.example.com:81").IsValid());
 221   EXPECT_STREQ("http://www.example.com:81",
 222                Pattern("http://www.example.com:81").ToString().c_str());
 223
 224   // HTTPS patterns with default port.
 225   EXPECT_TRUE(Pattern("https://www.example.com:443").IsValid());
 226   EXPECT_STREQ("https://www.example.com:443",
 227                Pattern("https://www.example.com:443").ToString().c_str());
 228   // HTTPS patterns with none default port.
 229   EXPECT_TRUE(Pattern("https://www.example.com:8080").IsValid());
 230   EXPECT_STREQ("https://www.example.com:8080",
 231                Pattern("https://www.example.com:8080").ToString().c_str());
 232 }
 233
 234 TEST(ContentSettingsPatternTest, FromString_FilePatterns) {
 235   // "/" is an invalid file path.
 236   EXPECT_FALSE(Pattern("file:///").IsValid());
 237
 238   // Non-empty domains aren't allowed in file patterns.
 239   EXPECT_FALSE(Pattern("file://foo/").IsValid());
 240   EXPECT_FALSE(Pattern("file://localhost/foo/bar/test.html").IsValid());
 241   EXPECT_FALSE(Pattern("file://*").IsValid());
 242   EXPECT_FALSE(Pattern("file://*/").IsValid());
 243   EXPECT_FALSE(Pattern("file://*/*").IsValid());
 244   EXPECT_FALSE(Pattern("file://*/foo/bar/test.html").IsValid());
 245   EXPECT_FALSE(Pattern("file://[*.]/").IsValid());
 246
 247   // This is the only valid file path wildcard format.
 248   EXPECT_TRUE(Pattern("file:///*").IsValid());
 249   EXPECT_EQ("file:///*", Pattern("file:///*").ToString());
 250
 251   // Wildcards are not allowed anywhere in the file path.
 252   EXPECT_FALSE(Pattern("file:///f*o/bar/file.html").IsValid());
 253   EXPECT_FALSE(Pattern("file:///*/bar/file.html").IsValid());
 254   EXPECT_FALSE(Pattern("file:///foo/*").IsValid());
 255   EXPECT_FALSE(Pattern("file:///foo/bar/*").IsValid());
 256   EXPECT_FALSE(Pattern("file:///foo/*/file.html").IsValid());
 257   EXPECT_FALSE(Pattern("file:///foo/bar/*.html").IsValid());
 258   EXPECT_FALSE(Pattern("file:///foo/bar/file.*").IsValid());
 259
 260   EXPECT_TRUE(Pattern("file:///tmp/test.html").IsValid());
 261   EXPECT_EQ("file:///tmp/file.html",
 262             Pattern("file:///tmp/file.html").ToString());
 263   EXPECT_TRUE(Pattern("file:///tmp/test.html").Matches(
 264       GURL("file:///tmp/test.html")));
 265   EXPECT_FALSE(Pattern("file:///tmp/test.html").Matches(
 266       GURL("file:///tmp/other.html")));
 267   EXPECT_FALSE(Pattern("file:///tmp/test.html").Matches(
 268       GURL("http://example.org/")));
 269
 270   EXPECT_TRUE(Pattern("file:///*").Matches(GURL("file:///tmp/test.html")));
 271   EXPECT_TRUE(Pattern("file:///*").Matches(
 272       GURL("file://localhost/tmp/test.html")));
 273 }
 274
 275 TEST(ContentSettingsPatternTest, FromString_ExtensionPatterns) {
 276   EXPECT_TRUE(Pattern("chrome-extension://peoadpeiejnhkmpaakpnompolbglelel/")
 277       .IsValid());
 278   EXPECT_EQ("chrome-extension://peoadpeiejnhkmpaakpnompolbglelel/",
 279       Pattern("chrome-extension://peoadpeiejnhkmpaakpnompolbglelel/")
 280           .ToString());
 281   EXPECT_TRUE(Pattern("chrome-extension://peoadpeiejnhkmpaakpnompolbglelel/")
 282       .Matches(GURL("chrome-extension://peoadpeiejnhkmpaakpnompolbglelel/")));
 283 }
 284
 285 TEST(ContentSettingsPatternTest, FromString_WithIPAdresses) {
 286   // IPv4
 287   EXPECT_TRUE(Pattern("192.168.0.1").IsValid());
 288   EXPECT_STREQ("192.168.1.1", Pattern("192.168.1.1").ToString().c_str());
 289   EXPECT_TRUE(Pattern("https://192.168.0.1:8080").IsValid());
 290   EXPECT_STREQ("https://192.168.0.1:8080",
 291                Pattern("https://192.168.0.1:8080").ToString().c_str());
 292
 293   // Subdomain wildcards should be only valid for hosts, not for IP addresses.
 294   EXPECT_FALSE(Pattern("[*.]127.0.0.1").IsValid());
 295
 296   // IPv6
 297   EXPECT_TRUE(Pattern("[::1]").IsValid());
 298   EXPECT_STREQ("[::1]", Pattern("[::1]").ToString().c_str());
 299   EXPECT_TRUE(Pattern("https://[::1]:8080").IsValid());
 300   EXPECT_STREQ("https://[::1]:8080",
 301                Pattern("https://[::1]:8080").ToString().c_str());
 302 }
 303
 304 TEST(ContentSettingsPatternTest, FromString_WithWildcards) {
 305   // Creating content settings patterns from strings completes pattern parts
 306   // that are omitted in pattern specifications (strings) with a wildcard.
 307
 308   // The wildcard pattern.
 309   EXPECT_TRUE(Pattern("*").IsValid());
 310   EXPECT_STREQ("*", Pattern("*").ToString().c_str());
 311   EXPECT_EQ(ContentSettingsPattern::IDENTITY,
 312             Pattern("*").Compare(ContentSettingsPattern::Wildcard()));
 313
 314   // Patterns with port wildcard.
 315   EXPECT_TRUE(Pattern("http://example.com:*").IsValid());
 316   EXPECT_STREQ("http://example.com",
 317                Pattern("http://example.com:*").ToString().c_str());
 318
 319   EXPECT_TRUE(Pattern("https://example.com").IsValid());
 320   EXPECT_STREQ("https://example.com",
 321                Pattern("https://example.com").ToString().c_str());
 322
 323   EXPECT_TRUE(Pattern("*://www.google.com.com:8080").IsValid());
 324   EXPECT_STREQ("www.google.com:8080",
 325                Pattern("*://www.google.com:8080").ToString().c_str());
 326   EXPECT_TRUE(Pattern("*://www.google.com:8080").Matches(
 327       GURL("http://www.google.com:8080")));
 328   EXPECT_TRUE(Pattern("*://www.google.com:8080").Matches(
 329       GURL("https://www.google.com:8080")));
 330   EXPECT_FALSE(
 331       Pattern("*://www.google.com").Matches(GURL("file:///foo/bar.html")));
 332
 333   EXPECT_TRUE(Pattern("www.example.com:8080").IsValid());
 334
 335   // Patterns with port and scheme wildcard.
 336   EXPECT_TRUE(Pattern("*://www.example.com:*").IsValid());
 337   EXPECT_STREQ("www.example.com",
 338                Pattern("*://www.example.com:*").ToString().c_str());
 339
 340   EXPECT_TRUE(Pattern("*://www.example.com").IsValid());
 341   EXPECT_STREQ("www.example.com",
 342                Pattern("*://www.example.com").ToString().c_str());
 343
 344   EXPECT_TRUE(Pattern("www.example.com:*").IsValid());
 345   EXPECT_STREQ("www.example.com",
 346                Pattern("www.example.com:*").ToString().c_str());
 347
 348   EXPECT_TRUE(Pattern("www.example.com").IsValid());
 349   EXPECT_STREQ("www.example.com",
 350                Pattern("www.example.com").ToString().c_str());
 351   EXPECT_TRUE(Pattern("www.example.com").Matches(
 352       GURL("http://www.example.com/")));
 353   EXPECT_FALSE(Pattern("example.com").Matches(
 354       GURL("http://example.org/")));
 355
 356   // Patterns with domain wildcard.
 357   EXPECT_TRUE(Pattern("[*.]example.com").IsValid());
 358   EXPECT_STREQ("[*.]example.com",
 359                Pattern("[*.]example.com").ToString().c_str());
 360   EXPECT_TRUE(Pattern("[*.]example.com").Matches(
 361       GURL("http://example.com/")));
 362   EXPECT_TRUE(Pattern("[*.]example.com").Matches(
 363       GURL("http://foo.example.com/")));
 364   EXPECT_FALSE(Pattern("[*.]example.com").Matches(
 365       GURL("http://example.org/")));
 366
 367   EXPECT_TRUE(Pattern("[*.]google.com:80").Matches(
 368       GURL("http://mail.google.com:80")));
 369   EXPECT_FALSE(Pattern("[*.]google.com:80").Matches(
 370       GURL("http://mail.google.com:81")));
 371   EXPECT_TRUE(Pattern("[*.]google.com:80").Matches(
 372       GURL("http://www.google.com")));
 373
 374   EXPECT_TRUE(Pattern("[*.]google.com:8080").Matches(
 375       GURL("http://mail.google.com:8080")));
 376
 377   EXPECT_TRUE(Pattern("[*.]google.com:443").Matches(
 378       GURL("https://mail.google.com:443")));
 379   EXPECT_TRUE(Pattern("[*.]google.com:443").Matches(
 380       GURL("https://www.google.com")));
 381
 382   EXPECT_TRUE(Pattern("[*.]google.com:4321").Matches(
 383       GURL("https://mail.google.com:4321")));
 384   EXPECT_TRUE(Pattern("[*.]example.com").Matches(
 385       GURL("http://example.com/")));
 386   EXPECT_TRUE(Pattern("[*.]example.com").Matches(
 387       GURL("http://www.example.com/")));
 388
 389   // Patterns with host wildcard
 390   EXPECT_TRUE(Pattern("[*.]").IsValid());
 391   EXPECT_TRUE(Pattern("http://*").IsValid());
 392   EXPECT_TRUE(Pattern("http://[*.]").IsValid());
 393   EXPECT_EQ(std::string("http://*"), Pattern("http://[*.]").ToString());
 394   EXPECT_TRUE(Pattern("http://*:8080").IsValid());
 395   EXPECT_TRUE(Pattern("*://*").IsValid());
 396   EXPECT_STREQ("*", Pattern("*://*").ToString().c_str());
 397 }
 398
 399 TEST(ContentSettingsPatternTest, FromString_Canonicalized) {
 400   // UTF-8 patterns.
 401   EXPECT_TRUE(Pattern("[*.]\xC4\x87ira.com").IsValid());
 402   EXPECT_STREQ("[*.]xn--ira-ppa.com",
 403                Pattern("[*.]\xC4\x87ira.com").ToString().c_str());
 404   EXPECT_TRUE(Pattern("\xC4\x87ira.com").IsValid());
 405   EXPECT_STREQ("xn--ira-ppa.com",
 406                Pattern("\xC4\x87ira.com").ToString().c_str());
 407   EXPECT_TRUE(Pattern("file:///\xC4\x87ira.html").IsValid());
 408   EXPECT_STREQ("file:///%C4%87ira.html",
 409                Pattern("file:///\xC4\x87ira.html").ToString().c_str());
 410
 411   // File path normalization.
 412   EXPECT_TRUE(Pattern("file:///tmp/bar/../test.html").IsValid());
 413   EXPECT_STREQ("file:///tmp/test.html",
 414                Pattern("file:///tmp/bar/../test.html").ToString().c_str());
 415 }
 416
 417 TEST(ContentSettingsPatternTest, InvalidPatterns) {
 418   // StubObserver expects an empty pattern top be returned as empty string.
 419   EXPECT_FALSE(ContentSettingsPattern().IsValid());
 420   EXPECT_STREQ("", ContentSettingsPattern().ToString().c_str());
 421
 422   // Empty pattern string
 423   EXPECT_FALSE(Pattern(std::string()).IsValid());
 424   EXPECT_STREQ("", Pattern(std::string()).ToString().c_str());
 425
 426   // Pattern strings with invalid scheme part.
 427   EXPECT_FALSE(Pattern("ftp://myhost.org").IsValid());
 428   EXPECT_STREQ("", Pattern("ftp://myhost.org").ToString().c_str());
 429
 430   // Pattern strings with invalid host part.
 431   EXPECT_FALSE(Pattern("*example.com").IsValid());
 432   EXPECT_STREQ("", Pattern("*example.com").ToString().c_str());
 433   EXPECT_FALSE(Pattern("example.*").IsValid());
 434   EXPECT_STREQ("", Pattern("example.*").ToString().c_str());
 435   EXPECT_FALSE(Pattern("*\xC4\x87ira.com").IsValid());
 436   EXPECT_STREQ("", Pattern("*\xC4\x87ira.com").ToString().c_str());
 437   EXPECT_FALSE(Pattern("\xC4\x87ira.*").IsValid());
 438   EXPECT_STREQ("", Pattern("\xC4\x87ira.*").ToString().c_str());
 439
 440   // Pattern strings with invalid port parts.
 441   EXPECT_FALSE(Pattern("example.com:abc").IsValid());
 442   EXPECT_STREQ("", Pattern("example.com:abc").ToString().c_str());
 443
 444   // Invalid file pattern strings.
 445   EXPECT_FALSE(Pattern("file://").IsValid());
 446   EXPECT_STREQ("", Pattern("file://").ToString().c_str());
 447   EXPECT_FALSE(Pattern("file:///foo/bar.html:8080").IsValid());
 448   EXPECT_STREQ("", Pattern("file:///foo/bar.html:8080").ToString().c_str());
 449
 450   // Host having multiple ending dots.
 451   EXPECT_FALSE(Pattern("www.example.com..").IsValid());
 452   EXPECT_STREQ("", Pattern("www.example.com..").ToString().c_str());
 453 }
 454
 455 TEST(ContentSettingsPatternTest, UnequalOperator) {
 456   EXPECT_TRUE(Pattern("http://www.foo.com") != Pattern("http://www.foo.com*"));
 457   EXPECT_TRUE(Pattern("http://www.foo.com*") !=
 458               ContentSettingsPattern::Wildcard());
 459
 460   EXPECT_TRUE(Pattern("http://www.foo.com") !=
 461               ContentSettingsPattern::Wildcard());
 462
 463   EXPECT_TRUE(Pattern("http://www.foo.com") != Pattern("www.foo.com"));
 464   EXPECT_TRUE(Pattern("http://www.foo.com") !=
 465               Pattern("http://www.foo.com:80"));
 466
 467   EXPECT_FALSE(Pattern("http://www.foo.com") != Pattern("http://www.foo.com"));
 468   EXPECT_TRUE(Pattern("http://www.foo.com") == Pattern("http://www.foo.com"));
 469 }
 470
 471 TEST(ContentSettingsPatternTest, Compare) {
 472   // Test identical patterns patterns.
 473   ContentSettingsPattern pattern1 =
 474       Pattern("http://www.google.com");
 475   EXPECT_EQ(ContentSettingsPattern::IDENTITY, pattern1.Compare(pattern1));
 476   EXPECT_EQ(ContentSettingsPattern::IDENTITY,
 477             Pattern("http://www.google.com:80").Compare(
 478                 Pattern("http://www.google.com:80")));
 479   EXPECT_EQ(ContentSettingsPattern::IDENTITY,
 480             Pattern("*://[*.]google.com:*").Compare(
 481                 Pattern("*://[*.]google.com:*")));
 482
 483   ContentSettingsPattern invalid_pattern1;
 484   ContentSettingsPattern invalid_pattern2 =
 485       ContentSettingsPattern::FromString("google.com*");
 486
 487   // Compare invalid patterns.
 488   EXPECT_TRUE(!invalid_pattern1.IsValid());
 489   EXPECT_TRUE(!invalid_pattern2.IsValid());
 490   EXPECT_EQ(ContentSettingsPattern::IDENTITY,
 491             invalid_pattern1.Compare(invalid_pattern2));
 492   EXPECT_TRUE(invalid_pattern1 == invalid_pattern2);
 493
 494   // Compare a pattern with an IPv4 addresse to a pattern with a domain name.
 495   EXPECT_EQ(ContentSettingsPattern::DISJOINT_ORDER_POST,
 496             Pattern("http://www.google.com").Compare(
 497                 Pattern("127.0.0.1")));
 498   EXPECT_EQ(ContentSettingsPattern::DISJOINT_ORDER_PRE,
 499             Pattern("127.0.0.1").Compare(
 500                 Pattern("http://www.google.com")));
 501   EXPECT_TRUE(Pattern("127.0.0.1") > Pattern("http://www.google.com"));
 502   EXPECT_TRUE(Pattern("http://www.google.com") < Pattern("127.0.0.1"));
 503
 504   // Compare a pattern with an IPv6 address to a patterns with a domain name.
 505   EXPECT_EQ(ContentSettingsPattern::DISJOINT_ORDER_POST,
 506             Pattern("http://www.google.com").Compare(
 507                 Pattern("[::1]")));
 508   EXPECT_EQ(ContentSettingsPattern::DISJOINT_ORDER_PRE,
 509             Pattern("[::1]").Compare(
 510                 Pattern("http://www.google.com")));
 511   EXPECT_TRUE(Pattern("[::1]") > Pattern("http://www.google.com"));
 512   EXPECT_TRUE(Pattern("http://www.google.com") < Pattern("[::1]"));
 513
 514   // Compare a pattern with an IPv6 addresse to a pattern with an IPv4 addresse.
 515   EXPECT_EQ(ContentSettingsPattern::DISJOINT_ORDER_PRE,
 516             Pattern("127.0.0.1").Compare(
 517                 Pattern("[::1]")));
 518   EXPECT_EQ(ContentSettingsPattern::DISJOINT_ORDER_POST,
 519             Pattern("[::1]").Compare(
 520                 Pattern("127.0.0.1")));
 521   EXPECT_TRUE(Pattern("[::1]") < Pattern("127.0.0.1"));
 522   EXPECT_TRUE(Pattern("127.0.0.1") > Pattern("[::1]"));
 523
 524   EXPECT_EQ(ContentSettingsPattern::DISJOINT_ORDER_PRE,
 525             Pattern("http://www.google.com").Compare(
 526                 Pattern("http://www.youtube.com")));
 527   EXPECT_EQ(ContentSettingsPattern::DISJOINT_ORDER_PRE,
 528             Pattern("http://[*.]google.com").Compare(
 529                 Pattern("http://[*.]youtube.com")));
 530
 531   EXPECT_EQ(ContentSettingsPattern::DISJOINT_ORDER_POST,
 532             Pattern("http://[*.]host.com").Compare(
 533                 Pattern("http://[*.]evilhost.com")));
 534   EXPECT_EQ(ContentSettingsPattern::DISJOINT_ORDER_POST,
 535             Pattern("*://www.google.com:80").Compare(
 536                 Pattern("*://www.google.com:8080")));
 537   EXPECT_EQ(ContentSettingsPattern::DISJOINT_ORDER_PRE,
 538             Pattern("https://www.google.com:80").Compare(
 539                 Pattern("http://www.google.com:80")));
 540
 541   EXPECT_EQ(ContentSettingsPattern::DISJOINT_ORDER_PRE,
 542             Pattern("http://[*.]google.com:90").Compare(
 543                 Pattern("http://mail.google.com:80")));
 544   EXPECT_EQ(ContentSettingsPattern::DISJOINT_ORDER_PRE,
 545             Pattern("https://[*.]google.com:80").Compare(
 546                 Pattern("http://mail.google.com:80")));
 547   EXPECT_EQ(ContentSettingsPattern::DISJOINT_ORDER_PRE,
 548             Pattern("https://mail.google.com:*").Compare(
 549                 Pattern("http://mail.google.com:80")));
 550
 551   // Test patterns with different precedences.
 552   EXPECT_EQ(ContentSettingsPattern::PREDECESSOR,
 553             Pattern("mail.google.com").Compare(
 554                 Pattern("[*.]google.com")));
 555   EXPECT_EQ(ContentSettingsPattern::SUCCESSOR,
 556             Pattern("[*.]google.com").Compare(
 557                 Pattern("mail.google.com")));
 558
 559   EXPECT_EQ(ContentSettingsPattern::PREDECESSOR,
 560             Pattern("[*.]mail.google.com").Compare(
 561                 Pattern("[*.]google.com")));
 562   EXPECT_EQ(ContentSettingsPattern::SUCCESSOR,
 563             Pattern("[*.]google.com").Compare(
 564                 Pattern("[*.]mail.google.com")));
 565
 566   EXPECT_EQ(ContentSettingsPattern::PREDECESSOR,
 567             Pattern("mail.google.com:80").Compare(
 568                 Pattern("mail.google.com:*")));
 569   EXPECT_EQ(ContentSettingsPattern::SUCCESSOR,
 570             Pattern("mail.google.com:*").Compare(
 571                 Pattern("mail.google.com:80")));
 572
 573   EXPECT_EQ(ContentSettingsPattern::PREDECESSOR,
 574             Pattern("https://mail.google.com:*").Compare(
 575                 Pattern("*://mail.google.com:*")));
 576   EXPECT_EQ(ContentSettingsPattern::SUCCESSOR,
 577             Pattern("*://mail.google.com:*").Compare(
 578                 Pattern("https://mail.google.com:*")));
 579
 580   EXPECT_EQ(ContentSettingsPattern::PREDECESSOR,
 581             Pattern("*://mail.google.com:80").Compare(
 582                 Pattern("https://mail.google.com:*")));
 583   EXPECT_EQ(ContentSettingsPattern::SUCCESSOR,
 584             Pattern("https://mail.google.com:*").Compare(
 585                 Pattern("*://mail.google.com:80")));
 586
 587   // Test the wildcard pattern.
 588   EXPECT_EQ(ContentSettingsPattern::IDENTITY,
 589             ContentSettingsPattern::Wildcard().Compare(
 590                 ContentSettingsPattern::Wildcard()));
 591
 592   EXPECT_EQ(ContentSettingsPattern::PREDECESSOR,
 593             Pattern("[*.]google.com").Compare(
 594                 ContentSettingsPattern::Wildcard()));
 595   EXPECT_EQ(ContentSettingsPattern::SUCCESSOR,
 596             ContentSettingsPattern::Wildcard().Compare(
 597                  Pattern("[*.]google.com")));
 598
 599   EXPECT_EQ(ContentSettingsPattern::PREDECESSOR,
 600             Pattern("mail.google.com").Compare(
 601                 ContentSettingsPattern::Wildcard()));
 602   EXPECT_EQ(ContentSettingsPattern::SUCCESSOR,
 603             ContentSettingsPattern::Wildcard().Compare(
 604                  Pattern("mail.google.com")));
 605 }
 606
 607 // Legacy tests to ensure backwards compatibility.
 608
 609 TEST(ContentSettingsPatternTest, PatternSupport_Legacy) {
 610   EXPECT_TRUE(Pattern("[*.]example.com").IsValid());
 611   EXPECT_TRUE(Pattern("example.com").IsValid());
 612   EXPECT_TRUE(Pattern("192.168.0.1").IsValid());
 613   EXPECT_TRUE(Pattern("[::1]").IsValid());
 614   EXPECT_TRUE(
 615       Pattern("file:///tmp/test.html").IsValid());
 616   EXPECT_FALSE(Pattern("*example.com").IsValid());
 617   EXPECT_FALSE(Pattern("example.*").IsValid());
 618
 619   EXPECT_TRUE(
 620       Pattern("http://example.com").IsValid());
 621   EXPECT_TRUE(
 622       Pattern("https://example.com").IsValid());
 623
 624   EXPECT_TRUE(Pattern("[*.]example.com").Matches(
 625               GURL("http://example.com/")));
 626   EXPECT_TRUE(Pattern("[*.]example.com").Matches(
 627               GURL("http://www.example.com/")));
 628   EXPECT_TRUE(Pattern("www.example.com").Matches(
 629               GURL("http://www.example.com/")));
 630   EXPECT_TRUE(
 631       Pattern("file:///tmp/test.html").Matches(
 632               GURL("file:///tmp/test.html")));
 633   EXPECT_FALSE(Pattern(std::string()).Matches(GURL("http://www.example.com/")));
 634   EXPECT_FALSE(Pattern("[*.]example.com").Matches(
 635                GURL("http://example.org/")));
 636   EXPECT_FALSE(Pattern("example.com").Matches(
 637                GURL("http://example.org/")));
 638   EXPECT_FALSE(
 639       Pattern("file:///tmp/test.html").Matches(
 640                GURL("file:///tmp/other.html")));
 641   EXPECT_FALSE(
 642       Pattern("file:///tmp/test.html").Matches(
 643                GURL("http://example.org/")));
 644 }
 645
 646 TEST(ContentSettingsPatternTest, CanonicalizePattern_Legacy) {
 647   // Basic patterns.
 648   EXPECT_STREQ("[*.]ikea.com", Pattern("[*.]ikea.com").ToString().c_str());
 649   EXPECT_STREQ("example.com", Pattern("example.com").ToString().c_str());
 650   EXPECT_STREQ("192.168.1.1", Pattern("192.168.1.1").ToString().c_str());
 651   EXPECT_STREQ("[::1]", Pattern("[::1]").ToString().c_str());
 652   EXPECT_STREQ("file:///tmp/file.html",
 653                Pattern("file:///tmp/file.html").ToString().c_str());
 654
 655   // UTF-8 patterns.
 656   EXPECT_STREQ("[*.]xn--ira-ppa.com",
 657                Pattern("[*.]\xC4\x87ira.com").ToString().c_str());
 658   EXPECT_STREQ("xn--ira-ppa.com",
 659                Pattern("\xC4\x87ira.com").ToString().c_str());
 660   EXPECT_STREQ("file:///%C4%87ira.html",
 661                Pattern("file:///\xC4\x87ira.html").ToString().c_str());
 662
 663   // file:/// normalization.
 664   EXPECT_STREQ("file:///tmp/test.html",
 665                Pattern("file:///tmp/bar/../test.html").ToString().c_str());
 666
 667   // Invalid patterns.
 668   EXPECT_STREQ("", Pattern("*example.com").ToString().c_str());
 669   EXPECT_STREQ("", Pattern("example.*").ToString().c_str());
 670   EXPECT_STREQ("", Pattern("*\xC4\x87ira.com").ToString().c_str());
 671   EXPECT_STREQ("", Pattern("\xC4\x87ira.*").ToString().c_str());
 672 }