src/test/encoding_reader_test.cpp

   1 #include <iostream>
   2 #include <algorithm>
   3 #include <gtest/gtest.h>
   4
   5 #include "src/utf8_transcoder.h"
   6 #include "src/string_reader.h"
   7 #include "src/encoding_reader.h"
   8
   9 namespace reader = utakata::reader;
  10 namespace transcoder = utakata::transcoder;
  11
  12 TEST(EncodingReaderTest, EncodingTest) {
  13   reader::StringReader sr("UTF8");
  14
  15   reader::EncodingReader reader(&sr, new transcoder::UTF8Transcoder);
  16   unsigned int checker = reader.Read();
  17
  18   EXPECT_EQ(checker, static_cast<unsigned int>('U'));
  19   checker = reader.Peek();
  20   EXPECT_EQ(checker, static_cast<unsigned int>('T'));
  21   checker = reader.Read();
  22   EXPECT_EQ(checker, static_cast<unsigned int>('T'));
  23
  24   std::vector<unsigned int> t = reader.Peek(2);
  25   EXPECT_EQ(t[0], static_cast<unsigned int>('F'));
  26   EXPECT_EQ(t[1], static_cast<unsigned int>('8'));
  27
  28   t = reader.Read(2);
  29   EXPECT_EQ(t[0], static_cast<unsigned int>('F'));
  30   EXPECT_EQ(t[1], static_cast<unsigned int>('8'));
  31
  32   EXPECT_NO_THROW(reader.Read());
  33   EXPECT_TRUE(reader.IsEof());
  34 }
  35
  36 TEST(EncodingReaderTest, MultiByteTest) {
  37   reader::StringReader sr("あいuうえお");
  38   reader::EncodingReader reader(&sr, new transcoder::UTF8Transcoder);
  39   unsigned int checker = reader.Read();
  40
  41   EXPECT_EQ(checker, static_cast<unsigned int>(0x3042));
  42   checker = reader.Peek();
  43   EXPECT_EQ(checker, static_cast<unsigned int>(0x3044));
  44   checker = reader.Read();
  45   EXPECT_EQ(checker, static_cast<unsigned int>(0x3044));
  46
  47   std::vector<unsigned int> t = reader.Peek(2);
  48   EXPECT_EQ(t[0], static_cast<unsigned int>('u'));
  49   EXPECT_EQ(t[1], static_cast<unsigned int>(0x3046));
  50
  51   t = reader.Read(2);
  52   EXPECT_EQ(t[0], static_cast<unsigned int>('u'));
  53   EXPECT_EQ(t[1], static_cast<unsigned int>(0x3046));
  54
  55   checker = reader.Read();
  56   EXPECT_EQ(checker, static_cast<unsigned int>(0x3048));
  57   checker = reader.Read();
  58   EXPECT_EQ(checker, static_cast<unsigned int>(0x304A));
  59
  60   EXPECT_NO_THROW(reader.Read());
  61   EXPECT_TRUE(reader.IsEof());
  62 }
  63
  64 int main(int argc, char** argv) {
  65   testing::InitGoogleTest(&argc, argv);
  66
  67   return RUN_ALL_TESTS();
  68 }