1    :  // Copyright 2013 Google Inc. All Rights Reserved.
   2    :  //
   3    :  // Licensed under the Apache License, Version 2.0 (the "License");
   4    :  // you may not use this file except in compliance with the License.
   5    :  // You may obtain a copy of the License at
   6    :  //
   7    :  //     http://www.apache.org/licenses/LICENSE-2.0
   8    :  //
   9    :  // Unless required by applicable law or agreed to in writing, software
  10    :  // distributed under the License is distributed on an "AS IS" BASIS,
  11    :  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12    :  // See the License for the specific language governing permissions and
  13    :  // limitations under the License.
  14    :  
  15    :  #include "syzygy/core/string_table.h"
  16    :  
  17    :  #include "gtest/gtest.h"
  18    :  
  19    :  namespace core {
  20    :  
  21    :  namespace {
  22    :  
  23    :  class TestStringTable : public StringTable {
  24    :   public:
  25    :    using StringTable::string_table_;
  26    :  };
  27    :  
  28    :  }  // namespace
  29    :  
  30  E :  TEST(StringTableTest, DefaultConstructor) {
  31  E :    TestStringTable strtab;
  32  E :    EXPECT_TRUE(strtab.string_table_.empty());
  33  E :  }
  34    :  
  35  E :  TEST(StringTableTest, InternString) {
  36  E :    TestStringTable strtab;
  37    :  
  38    :    // The pool is initially empty.
  39  E :    EXPECT_EQ(0U, strtab.string_table_.size());
  40    :  
  41  E :    const std::string& str1 = strtab.InternString("foo");
  42  E :    const std::string& str2 = strtab.InternString("bar");
  43  E :    const std::string& str3 = strtab.InternString("foo");
  44  E :    const std::string& str4 = strtab.InternString("foo");
  45  E :    const std::string& str5 = strtab.InternString("bat");
  46    :  
  47    :    // Validate the size of the internal strings pool.
  48  E :    EXPECT_EQ(3U, strtab.string_table_.size());
  49    :  
  50    :    // Validate string sharing.
  51  E :    EXPECT_FALSE(str1.c_str() == str2.c_str());
  52  E :    EXPECT_TRUE(str1.c_str() == str3.c_str());
  53  E :    EXPECT_TRUE(str1.c_str() == str4.c_str());
  54  E :    EXPECT_FALSE(str1.c_str() == str5.c_str());
  55  E :  }
  56    :  
  57    :  }  // namespace core