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reader_test.cpp « coding_tests « coding - github.com/mapsme/omim.git - Unnamed repository; edit this file 'description' to name the repository.
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#include "testing/testing.hpp"

#include "coding/coding_tests/reader_test.hpp"

#include "coding/file_reader.hpp"
#include "coding/file_writer.hpp"
#include "coding/buffer_reader.hpp"
#include "coding/reader_streambuf.hpp"

#include "std/iostream.hpp"
#include "std/cstring.hpp"


namespace
{
  string const kData("Quick brown fox jumps over a lazy dog...");
}

UNIT_TEST(MemReaderSmokeTest)
{
  MemReader memReader(kData.c_str(), kData.size());
  TestReader(memReader);
}

UNIT_TEST(FileReaderSmokeTest)
{
  {
    FileWriter writer("reader_test_tmp.dat");
    writer.Write(&kData[0], kData.size());
  }

  {
    FileReader fileReader("reader_test_tmp.dat");
    TestReader(fileReader);
  }
  FileWriter::DeleteFileX("reader_test_tmp.dat");
}

UNIT_TEST(BufferReaderSmokeTest)
{
  BufferReader r1(&kData[0], kData.size());
  TestReader(r1);

  {
    string const data("BlaBla " + kData);
    FileWriter writer("reader_test_tmp.dat");
    writer.Write(&data[0], data.size());
  }

  BufferReader r2(FileReader("reader_test_tmp.dat"), 7);
  TestReader(r2);
  FileWriter::DeleteFileX("reader_test_tmp.dat");
}

UNIT_TEST(BufferReaderEmptyTest)
{
  MemReader reader(NULL, 0);
  BufferReader bufReader(reader, 0);
  TEST_EQUAL(bufReader.Size(), 0, ());
}

UNIT_TEST(FileReaderNonExistentFileTest)
{
  try
  {
    FileReader reader("skjhfaxniauiuq2bmnszmn093sklsd");
    TEST(false, ("Exception should be thrown!"));
  }
  catch (FileReader::OpenException &)
  {
  }
}

UNIT_TEST(FileReaderReadAsText)
{
  char const fName[] = "zzzuuuuuummmba";
  {
    FileWriter f(fName);
    f.Write(fName, ARRAY_SIZE(fName) - 1);
  }

  {
    string text;
    FileReader(fName).ReadAsString(text);
    TEST_EQUAL(text, fName, ());
  }

  FileWriter::DeleteFileX(fName);
}

UNIT_TEST(ReaderStreamBuf)
{
  string const name = "test.txt";

  {
    WriterStreamBuf buffer(new FileWriter(name));
    ostream s(&buffer);
    s << "hey!" << '\n' << 1 << '\n' << 3.14 << '\n' << 0x0102030405060708ull << std::endl;
  }

  {
    ReaderStreamBuf buffer(make_unique<FileReader>(name));
    istream s(&buffer);

    std::string str;
    int i;
    double d;
    unsigned long long ull;

    s >> str >> i >> d >> ull;

    TEST_EQUAL(str, "hey!", ());
    TEST_EQUAL(i, 1, ());
    TEST_ALMOST_EQUAL_ULPS(d, 3.14, ());
    TEST_EQUAL(ull, 0x0102030405060708ull, ());
  }

  FileWriter::DeleteFileX(name);
}