// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "testing/fx_string_testhelpers.h"

#include <iomanip>
#include <ios>
#include <string>

std::ostream& operator<<(std::ostream& os, const CFX_DateTime& dt) {
  os << dt.GetYear() << "-" << std::to_string(dt.GetMonth()) << "-"
     << std::to_string(dt.GetDay()) << " " << std::to_string(dt.GetHour())
     << ":" << std::to_string(dt.GetMinute()) << ":"
     << std::to_string(dt.GetSecond()) << "."
     << std::to_string(dt.GetMillisecond());
  return os;
}

CFX_InvalidSeekableReadStream::CFX_InvalidSeekableReadStream(
    FX_FILESIZE data_size)
    : data_size_(data_size) {}

CFX_InvalidSeekableReadStream::~CFX_InvalidSeekableReadStream() = default;

CFX_BufferSeekableReadStream::CFX_BufferSeekableReadStream(
    pdfium::span<const uint8_t> data)
    : data_(data) {}

CFX_BufferSeekableReadStream::~CFX_BufferSeekableReadStream() = default;

bool CFX_BufferSeekableReadStream::ReadBlock(void* buffer,
                                             FX_FILESIZE offset,
                                             size_t size) {
  if (offset < 0 || static_cast<size_t>(offset) >= data_.size())
    return false;

  if (static_cast<size_t>(offset) + size > data_.size())
    size = data_.size() - static_cast<size_t>(offset);
  if (size == 0)
    return false;

  memcpy(buffer, &data_[offset], size);
  return true;
}