base/strings/pattern_unittest.cc

   1 // Copyright 2015 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/strings/pattern.h"
   6 #include "base/strings/utf_string_conversions.h"
   7 #include "testing/gtest/include/gtest/gtest.h"
   8
   9 namespace base {
  10
  11 TEST(StringUtilTest, MatchPatternTest) {
  12   EXPECT_TRUE(MatchPattern("www.google.com", "*.com"));
  13   EXPECT_TRUE(MatchPattern("www.google.com", "*"));
  14   EXPECT_FALSE(MatchPattern("www.google.com", "www*.g*.org"));
  15   EXPECT_TRUE(MatchPattern("Hello", "H?l?o"));
  16   EXPECT_FALSE(MatchPattern("www.google.com", "http://*)"));
  17   EXPECT_FALSE(MatchPattern("www.msn.com", "*.COM"));
  18   EXPECT_TRUE(MatchPattern("Hello*1234", "He??o\\*1*"));
  19   EXPECT_FALSE(MatchPattern("", "*.*"));
  20   EXPECT_TRUE(MatchPattern("", "*"));
  21   EXPECT_TRUE(MatchPattern("", "?"));
  22   EXPECT_TRUE(MatchPattern("", ""));
  23   EXPECT_FALSE(MatchPattern("Hello", ""));
  24   EXPECT_TRUE(MatchPattern("Hello*", "Hello*"));
  25   // Stop after a certain recursion depth.
  26   EXPECT_FALSE(MatchPattern("123456789012345678", "?????????????????*"));
  27
  28   // Test UTF8 matching.
  29   EXPECT_TRUE(MatchPattern("heart: \xe2\x99\xa0", "*\xe2\x99\xa0"));
  30   EXPECT_TRUE(MatchPattern("heart: \xe2\x99\xa0.", "heart: ?."));
  31   EXPECT_TRUE(MatchPattern("hearts: \xe2\x99\xa0\xe2\x99\xa0", "*"));
  32   // Invalid sequences should be handled as a single invalid character.
  33   EXPECT_TRUE(MatchPattern("invalid: \xef\xbf\xbe", "invalid: ?"));
  34   // If the pattern has invalid characters, it shouldn't match anything.
  35   EXPECT_FALSE(MatchPattern("\xf4\x90\x80\x80", "\xf4\x90\x80\x80"));
  36
  37   // Test UTF16 character matching.
  38   EXPECT_TRUE(MatchPattern(UTF8ToUTF16("www.google.com"),
  39                            UTF8ToUTF16("*.com")));
  40   EXPECT_TRUE(MatchPattern(UTF8ToUTF16("Hello*1234"),
  41                            UTF8ToUTF16("He??o\\*1*")));
  42
  43   // This test verifies that consecutive wild cards are collapsed into 1
  44   // wildcard (when this doesn't occur, MatchPattern reaches it's maximum
  45   // recursion depth).
  46   EXPECT_TRUE(MatchPattern(UTF8ToUTF16("Hello"),
  47                            UTF8ToUTF16("He********************************o")));
  48 }
  49
  50 }  // namespace base