Function TEST

src/test/bufferlist.cc:56–128

using ceph::buffer_instrumentation::instrumented_bptr;

TEST(Buffer, constructors) {
  unsigned len = 17;
  //
  // buffer::create
  //
  {
    bufferptr ptr(buffer::create(len));
    EXPECT_EQ(len, ptr.length());
  }
  //
  // buffer::claim_char
  //
  {
    char* str = new char[len];
    ::memset(str, 'X', len);
    bufferptr ptr(buffer::claim_char(len, str));
    EXPECT_EQ(len, ptr.length());
    EXPECT_EQ(str, ptr.c_str());
    EXPECT_EQ(0, ::memcmp(str, ptr.c_str(), len));
    delete [] str;
  }
  //
  // buffer::create_static
  //
  {
    char* str = new char[len];
    bufferptr ptr(buffer::create_static(len, str));
    EXPECT_EQ(len, ptr.length());
    EXPECT_EQ(str, ptr.c_str());
    delete [] str;
  }
  //
  // buffer::create_malloc
  //
  {
    bufferptr ptr(buffer::create_malloc(len));
    EXPECT_EQ(len, ptr.length());
    // this doesn't throw on my x86_64 wheezy box --sage
    //EXPECT_THROW(buffer::create_malloc((unsigned)ULLONG_MAX), buffer::bad_alloc);
  }
  //
  // buffer::claim_malloc
  //
  {
    char* str = (char*)malloc(len);
    ::memset(str, 'X', len);
    bufferptr ptr(buffer::claim_malloc(len, str));
    EXPECT_EQ(len, ptr.length());
    EXPECT_EQ(str, ptr.c_str());
    EXPECT_EQ(0, ::memcmp(str, ptr.c_str(), len));
  }
  //
  // buffer::copy
  //
  {
    const std::string expected(len, 'X');
    bufferptr ptr(buffer::copy(expected.c_str(), expected.size()));
    EXPECT_NE(expected.c_str(), ptr.c_str());