tools/gn/pattern_unittest.cc

   1 // Copyright (c) 2013 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 "testing/gtest/include/gtest/gtest.h"
   6 #include "tools/gn/pattern.h"
   7
   8 namespace {
   9
  10 struct Case {
  11   const char* pattern;
  12   const char* candidate;
  13   bool expected_match;
  14 };
  15
  16 }  // namespace
  17
  18 TEST(Pattern, Matches) {
  19   Case pattern_cases[] = {
  20     // Empty pattern matches only empty string.
  21     { "", "", true },
  22     { "", "foo", false },
  23     // Exact matches.
  24     { "foo", "foo", true },
  25     { "foo", "bar", false },
  26     // Path boundaries.
  27     { "\\b", "", true },
  28     { "\\b", "/", true },
  29     { "\\b\\b", "/", true },
  30     { "\\b\\b\\b", "", false },
  31     { "\\b\\b\\b", "/", true },
  32     { "\\b", "//", false },
  33     { "\\bfoo\\b", "foo", true },
  34     { "\\bfoo\\b", "/foo/", true },
  35     { "\\b\\bfoo", "/foo", true },
  36     // *
  37     { "*", "", true },
  38     { "*", "foo", true },
  39     { "*foo", "foo", true },
  40     { "*foo", "gagafoo", true },
  41     { "*foo", "gagafoob", false },
  42     { "foo*bar", "foobar", true },
  43     { "foo*bar", "foo-bar", true },
  44     { "foo*bar", "foolalalalabar", true },
  45     { "foo*bar", "foolalalalabaz", false },
  46     { "*a*b*c*d*", "abcd", true },
  47     { "*a*b*c*d*", "1a2b3c4d5", true },
  48     { "*a*b*c*d*", "1a2b3c45", false },
  49     { "*\\bfoo\\b*", "foo", true },
  50     { "*\\bfoo\\b*", "/foo/", true },
  51     { "*\\bfoo\\b*", "foob", false },
  52     { "*\\bfoo\\b*", "lala/foo/bar/baz", true },
  53   };
  54   for (size_t i = 0; i < arraysize(pattern_cases); i++) {
  55     const Case& c = pattern_cases[i];
  56     Pattern pattern(c.pattern);
  57     bool result = pattern.MatchesString(c.candidate);
  58     EXPECT_EQ(c.expected_match, result) << i << ": \"" << c.pattern
  59         << "\", \"" << c.candidate << "\"";
  60   }
  61 }