tools/gn/substitution_pattern_unittest.cc

   1 // Copyright 2014 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/err.h"
   7 #include "tools/gn/substitution_pattern.h"
   8
   9 TEST(SubstitutionPattern, ParseLiteral) {
  10   SubstitutionPattern pattern;
  11   Err err;
  12   EXPECT_TRUE(pattern.Parse("This is a literal", nullptr, &err));
  13   EXPECT_FALSE(err.has_error());
  14   ASSERT_EQ(1u, pattern.ranges().size());
  15   EXPECT_EQ(SUBSTITUTION_LITERAL, pattern.ranges()[0].type);
  16   EXPECT_EQ("This is a literal", pattern.ranges()[0].literal);
  17 }
  18
  19 TEST(SubstitutionPattern, ParseComplex) {
  20   SubstitutionPattern pattern;
  21   Err err;
  22   EXPECT_TRUE(pattern.Parse(
  23       "AA{{source}}{{source_name_part}}BB{{source_file_part}}", nullptr, &err));
  24   EXPECT_FALSE(err.has_error());
  25   ASSERT_EQ(5u, pattern.ranges().size());
  26
  27   EXPECT_EQ(SUBSTITUTION_LITERAL, pattern.ranges()[0].type);
  28   EXPECT_EQ("AA", pattern.ranges()[0].literal);
  29   EXPECT_EQ(SUBSTITUTION_SOURCE, pattern.ranges()[1].type);
  30   EXPECT_EQ(SUBSTITUTION_SOURCE_NAME_PART, pattern.ranges()[2].type);
  31   EXPECT_EQ(SUBSTITUTION_LITERAL, pattern.ranges()[3].type);
  32   EXPECT_EQ("BB", pattern.ranges()[3].literal);
  33   EXPECT_EQ(SUBSTITUTION_SOURCE_FILE_PART, pattern.ranges()[4].type);
  34 }
  35
  36 TEST(SubstitutionPattern, ParseErrors) {
  37   SubstitutionPattern pattern;
  38   Err err;
  39   EXPECT_FALSE(pattern.Parse("AA{{source", nullptr, &err));
  40   EXPECT_TRUE(err.has_error());
  41
  42   err = Err();
  43   EXPECT_FALSE(pattern.Parse("{{source_of_evil}}", nullptr, &err));
  44   EXPECT_TRUE(err.has_error());
  45
  46   err = Err();
  47   EXPECT_FALSE(pattern.Parse("{{source{{source}}", nullptr, &err));
  48   EXPECT_TRUE(err.has_error());
  49 }