Home | History | Annotate | Download | only in strings
      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
     51