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path: root/core/fxge/dib/cstretchengine_unittest.cpp
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// Copyright 2017 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 "core/fxge/dib/cstretchengine.h"

#include <memory>
#include <utility>

#include "core/fpdfapi/parser/cpdf_dictionary.h"
#include "core/fpdfapi/parser/cpdf_number.h"
#include "core/fpdfapi/parser/cpdf_stream.h"
#include "core/fpdfapi/render/cpdf_dibsource.h"
#include "core/fxcrt/fx_memory.h"
#include "core/fxge/fx_dib.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/base/ptr_util.h"

TEST(CStretchEngine, OverflowInCtor) {
  FX_RECT clip_rect;
  std::unique_ptr<CPDF_Dictionary> dict_obj =
      pdfium::MakeUnique<CPDF_Dictionary>();
  dict_obj->SetNewFor<CPDF_Number>("Width", 71000);
  dict_obj->SetNewFor<CPDF_Number>("Height", 12500);
  std::unique_ptr<CPDF_Stream> stream =
      pdfium::MakeUnique<CPDF_Stream>(nullptr, 0, std::move(dict_obj));
  auto dib_source = pdfium::MakeRetain<CPDF_DIBSource>();
  dib_source->Load(nullptr, stream.get());
  CStretchEngine engine(nullptr, FXDIB_8bppRgb, 500, 500, clip_rect, dib_source,
                        0);
  EXPECT_EQ(FXDIB_INTERPOL, engine.m_Flags);
}