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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 <cstring>
#include <memory>
#include <string>
#include <vector>
#include "core/fxcrt/fx_system.h"
#include "public/cpp/fpdf_scopers.h"
#include "public/fpdf_annot.h"
#include "public/fpdf_edit.h"
#include "public/fpdfview.h"
#include "testing/embedder_test.h"
#include "testing/gmock/include/gmock/gmock-matchers.h"
#include "testing/gtest/include/gtest/gtest.h"
class CPDF_CreatorEmbedderTest : public EmbedderTest {};
TEST_F(CPDF_CreatorEmbedderTest, SavedDocsAreEqualAfterParse) {
ASSERT_TRUE(OpenDocument("annotation_stamp_with_ap.pdf"));
// Save without additional data reading.
EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0));
const std::string saved_doc_1 = GetString();
ClearString();
{
// Do some read only operations.
ASSERT_GE(1, FPDF_GetPageCount(document()));
FPDF_PAGE page = LoadPage(0);
ASSERT_TRUE(page);
ScopedFPDFBitmap bitmap = RenderLoadedPageWithFlags(page, FPDF_ANNOT);
EXPECT_EQ(595, FPDFBitmap_GetWidth(bitmap.get()));
EXPECT_EQ(842, FPDFBitmap_GetHeight(bitmap.get()));
UnloadPage(page);
}
// Save when we have additional loaded data.
EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0));
const std::string saved_doc_2 = GetString();
ClearString();
// The sizes of saved docs should be equal.
EXPECT_EQ(saved_doc_1.size(), saved_doc_2.size());
}
TEST_F(CPDF_CreatorEmbedderTest, BUG_873) {
EXPECT_TRUE(OpenDocument("embedded_attachments.pdf"));
EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0));
// Cannot match second part of the ID since it is randomly generated.
std::string saved_data = GetString();
const char kTrailerBeforeSecondID[] =
"trailer\r\n<</Info 9 0 R /Root 11 0 R /Size "
"36/ID[<D889EB6B9ADF88E5EDA7DC08FE85978B><";
ASSERT_THAT(saved_data, testing::HasSubstr(kTrailerBeforeSecondID));
size_t trailer_start = saved_data.find(kTrailerBeforeSecondID);
constexpr size_t kIdLen = 32;
size_t trailer_continuation =
trailer_start + strlen(kTrailerBeforeSecondID) + kIdLen;
std::string data_after_second_id = saved_data.substr(trailer_continuation);
EXPECT_THAT(data_after_second_id, testing::StartsWith(">]>>\r\n"));
}
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