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// Copyright 2016 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 <memory>
#include <string>
#include "public/cpp/fpdf_scopers.h"
#include "public/fpdf_edit.h"
#include "public/fpdf_ppo.h"
#include "public/fpdf_save.h"
#include "public/fpdfview.h"
#include "testing/embedder_test.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
class FPDFPPOEmbedderTest : public EmbedderTest {};
int FakeBlockWriter(FPDF_FILEWRITE* pThis,
const void* pData,
unsigned long size) {
return size;
}
} // namespace
TEST_F(FPDFPPOEmbedderTest, NoViewerPreferences) {
ASSERT_TRUE(OpenDocument("hello_world.pdf"));
FPDF_DOCUMENT output_doc = FPDF_CreateNewDocument();
EXPECT_TRUE(output_doc);
EXPECT_FALSE(FPDF_CopyViewerPreferences(output_doc, document()));
FPDF_CloseDocument(output_doc);
}
TEST_F(FPDFPPOEmbedderTest, ViewerPreferences) {
ASSERT_TRUE(OpenDocument("viewer_ref.pdf"));
FPDF_DOCUMENT output_doc = FPDF_CreateNewDocument();
EXPECT_TRUE(output_doc);
EXPECT_TRUE(FPDF_CopyViewerPreferences(output_doc, document()));
FPDF_CloseDocument(output_doc);
}
TEST_F(FPDFPPOEmbedderTest, ImportPages) {
ASSERT_TRUE(OpenDocument("viewer_ref.pdf"));
FPDF_PAGE page = LoadPage(0);
EXPECT_TRUE(page);
FPDF_DOCUMENT output_doc = FPDF_CreateNewDocument();
ASSERT_TRUE(output_doc);
EXPECT_TRUE(FPDF_CopyViewerPreferences(output_doc, document()));
EXPECT_TRUE(FPDF_ImportPages(output_doc, document(), "1", 0));
EXPECT_EQ(1, FPDF_GetPageCount(output_doc));
FPDF_CloseDocument(output_doc);
UnloadPage(page);
}
TEST_F(FPDFPPOEmbedderTest, ImportNPages) {
ASSERT_TRUE(OpenDocument("rectangles_multi_pages.pdf"));
ScopedFPDFDocument output_doc_2up(
FPDF_ImportNPagesToOne(document(), 612, 792, 2, 1));
ASSERT_TRUE(output_doc_2up);
EXPECT_EQ(3, FPDF_GetPageCount(output_doc_2up.get()));
ScopedFPDFDocument output_doc_5up(
FPDF_ImportNPagesToOne(document(), 612, 792, 5, 1));
ASSERT_TRUE(output_doc_5up);
EXPECT_EQ(1, FPDF_GetPageCount(output_doc_5up.get()));
ScopedFPDFDocument output_doc_8up(
FPDF_ImportNPagesToOne(document(), 792, 612, 8, 1));
ASSERT_TRUE(output_doc_8up);
EXPECT_EQ(1, FPDF_GetPageCount(output_doc_8up.get()));
ScopedFPDFDocument output_doc_128up(
FPDF_ImportNPagesToOne(document(), 792, 612, 128, 1));
ASSERT_TRUE(output_doc_128up);
EXPECT_EQ(1, FPDF_GetPageCount(output_doc_128up.get()));
}
TEST_F(FPDFPPOEmbedderTest, BadNupParams) {
ASSERT_TRUE(OpenDocument("rectangles_multi_pages.pdf"));
FPDF_DOCUMENT output_doc_zero_row =
FPDF_ImportNPagesToOne(document(), 612, 792, 0, 3);
ASSERT_FALSE(output_doc_zero_row);
FPDF_DOCUMENT output_doc_zero_col =
FPDF_ImportNPagesToOne(document(), 612, 792, 2, 0);
ASSERT_FALSE(output_doc_zero_col);
FPDF_DOCUMENT output_doc_zero_width =
FPDF_ImportNPagesToOne(document(), 0, 792, 2, 1);
ASSERT_FALSE(output_doc_zero_width);
FPDF_DOCUMENT output_doc_zero_height =
FPDF_ImportNPagesToOne(document(), 612, 0, 7, 1);
ASSERT_FALSE(output_doc_zero_height);
}
// TODO(Xlou): Add more tests to check output doc content of
// FPDF_ImportNPagesToOne()
TEST_F(FPDFPPOEmbedderTest, NupRenderImage) {
ASSERT_TRUE(OpenDocument("rectangles_multi_pages.pdf"));
const int kPageCount = 2;
#if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_)
static constexpr const char* kExpectedMD5s[kPageCount] = {
"bf8fa88dc85a9897931273168e8e1a30", "4fa6a7507e9f3ef4f28719a7d656c3a5"};
#else
static constexpr const char* kExpectedMD5s[kPageCount] = {
"4d225b961da0f1bced7c83273e64c9b6", "fb18142190d770cfbc329d2b071aee4d"};
#endif
ScopedFPDFDocument output_doc_3up(
FPDF_ImportNPagesToOne(document(), 792, 612, 3, 1));
ASSERT_TRUE(output_doc_3up);
ASSERT_EQ(kPageCount, FPDF_GetPageCount(output_doc_3up.get()));
for (int i = 0; i < kPageCount; ++i) {
ScopedFPDFPage page(FPDF_LoadPage(output_doc_3up.get(), i));
ASSERT_TRUE(page);
ScopedFPDFBitmap bitmap = RenderPage(page.get());
EXPECT_EQ(792, FPDFBitmap_GetWidth(bitmap.get()));
EXPECT_EQ(612, FPDFBitmap_GetHeight(bitmap.get()));
EXPECT_EQ(kExpectedMD5s[i], HashBitmap(bitmap.get()));
}
}
TEST_F(FPDFPPOEmbedderTest, BUG_925981) {
ASSERT_TRUE(OpenDocument("bug_925981.pdf"));
ScopedFPDFDocument output_doc_2up(
FPDF_ImportNPagesToOne(document(), 612, 792, 2, 1));
EXPECT_EQ(1, FPDF_GetPageCount(output_doc_2up.get()));
}
TEST_F(FPDFPPOEmbedderTest, BadRepeatViewerPref) {
ASSERT_TRUE(OpenDocument("repeat_viewer_ref.pdf"));
FPDF_DOCUMENT output_doc = FPDF_CreateNewDocument();
EXPECT_TRUE(output_doc);
EXPECT_TRUE(FPDF_CopyViewerPreferences(output_doc, document()));
FPDF_FILEWRITE writer;
writer.version = 1;
writer.WriteBlock = FakeBlockWriter;
EXPECT_TRUE(FPDF_SaveAsCopy(output_doc, &writer, 0));
FPDF_CloseDocument(output_doc);
}
TEST_F(FPDFPPOEmbedderTest, BadCircularViewerPref) {
ASSERT_TRUE(OpenDocument("circular_viewer_ref.pdf"));
FPDF_DOCUMENT output_doc = FPDF_CreateNewDocument();
EXPECT_TRUE(output_doc);
EXPECT_TRUE(FPDF_CopyViewerPreferences(output_doc, document()));
FPDF_FILEWRITE writer;
writer.version = 1;
writer.WriteBlock = FakeBlockWriter;
EXPECT_TRUE(FPDF_SaveAsCopy(output_doc, &writer, 0));
FPDF_CloseDocument(output_doc);
}
TEST_F(FPDFPPOEmbedderTest, BadRanges) {
ASSERT_TRUE(OpenDocument("hello_world.pdf"));
FPDF_PAGE page = LoadPage(0);
EXPECT_TRUE(page);
FPDF_DOCUMENT output_doc = FPDF_CreateNewDocument();
EXPECT_TRUE(output_doc);
EXPECT_FALSE(FPDF_ImportPages(output_doc, document(), "clams", 0));
EXPECT_FALSE(FPDF_ImportPages(output_doc, document(), "0", 0));
EXPECT_FALSE(FPDF_ImportPages(output_doc, document(), "42", 0));
EXPECT_FALSE(FPDF_ImportPages(output_doc, document(), "1,2", 0));
EXPECT_FALSE(FPDF_ImportPages(output_doc, document(), "1-2", 0));
EXPECT_FALSE(FPDF_ImportPages(output_doc, document(), ",1", 0));
EXPECT_FALSE(FPDF_ImportPages(output_doc, document(), "1,", 0));
EXPECT_FALSE(FPDF_ImportPages(output_doc, document(), "1-", 0));
EXPECT_FALSE(FPDF_ImportPages(output_doc, document(), "-1", 0));
EXPECT_FALSE(FPDF_ImportPages(output_doc, document(), "-,0,,,1-", 0));
FPDF_CloseDocument(output_doc);
UnloadPage(page);
}
TEST_F(FPDFPPOEmbedderTest, GoodRanges) {
ASSERT_TRUE(OpenDocument("viewer_ref.pdf"));
FPDF_PAGE page = LoadPage(0);
EXPECT_TRUE(page);
FPDF_DOCUMENT output_doc = FPDF_CreateNewDocument();
EXPECT_TRUE(output_doc);
EXPECT_TRUE(FPDF_CopyViewerPreferences(output_doc, document()));
EXPECT_TRUE(FPDF_ImportPages(output_doc, document(), "1,1,1,1", 0));
EXPECT_EQ(4, FPDF_GetPageCount(output_doc));
EXPECT_TRUE(FPDF_ImportPages(output_doc, document(), "1-1", 0));
EXPECT_EQ(5, FPDF_GetPageCount(output_doc));
EXPECT_TRUE(FPDF_ImportPages(output_doc, document(), "5-5", 0));
EXPECT_EQ(6, FPDF_GetPageCount(output_doc));
EXPECT_TRUE(FPDF_ImportPages(output_doc, document(), "2-4", 0));
EXPECT_EQ(9, FPDF_GetPageCount(output_doc));
FPDF_CloseDocument(output_doc);
UnloadPage(page);
}
TEST_F(FPDFPPOEmbedderTest, BUG_664284) {
ASSERT_TRUE(OpenDocument("bug_664284.pdf"));
FPDF_PAGE page = LoadPage(0);
ASSERT_NE(nullptr, page);
FPDF_DOCUMENT output_doc = FPDF_CreateNewDocument();
EXPECT_TRUE(output_doc);
EXPECT_TRUE(FPDF_ImportPages(output_doc, document(), "1", 0));
FPDF_CloseDocument(output_doc);
UnloadPage(page);
}
TEST_F(FPDFPPOEmbedderTest, BUG_750568) {
#if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_)
const char* const kHashes[] = {
"eaa139e944eafb43d31e8742a0e158de", "226485e9d4fa6a67dfe0a88723f12060",
"c5601a3492ae5dcc5dd25140fc463bfe", "1f60055b54de4fac8a59c65e90da156e"};
#else
const char* const kHashes[] = {
"64ad08132a1c5a166768298c8a578f57", "83b83e2f6bc80707d0a917c7634140b9",
"913cd3723a451e4e46fbc2c05702d1ee", "81fb7cfd4860f855eb468f73dfeb6d60"};
#endif
ASSERT_TRUE(OpenDocument("bug_750568.pdf"));
ASSERT_EQ(4, FPDF_GetPageCount(document()));
for (size_t i = 0; i < 4; ++i) {
FPDF_PAGE page = LoadPage(i);
ASSERT_TRUE(page);
ScopedFPDFBitmap bitmap = RenderLoadedPage(page);
ASSERT_EQ(200, FPDFBitmap_GetWidth(bitmap.get()));
ASSERT_EQ(200, FPDFBitmap_GetHeight(bitmap.get()));
ASSERT_EQ(800, FPDFBitmap_GetStride(bitmap.get()));
EXPECT_EQ(kHashes[i], HashBitmap(bitmap.get()));
UnloadPage(page);
}
FPDF_DOCUMENT output_doc = FPDF_CreateNewDocument();
ASSERT_TRUE(output_doc);
EXPECT_TRUE(FPDF_ImportPages(output_doc, document(), "1,2,3,4", 0));
ASSERT_EQ(4, FPDF_GetPageCount(output_doc));
for (size_t i = 0; i < 4; ++i) {
FPDF_PAGE page = FPDF_LoadPage(output_doc, i);
ASSERT_TRUE(page);
ScopedFPDFBitmap bitmap = RenderPage(page);
ASSERT_EQ(200, FPDFBitmap_GetWidth(bitmap.get()));
ASSERT_EQ(200, FPDFBitmap_GetHeight(bitmap.get()));
ASSERT_EQ(800, FPDFBitmap_GetStride(bitmap.get()));
EXPECT_EQ(kHashes[i], HashBitmap(bitmap.get()));
FPDF_ClosePage(page);
}
FPDF_CloseDocument(output_doc);
}
TEST_F(FPDFPPOEmbedderTest, ImportWithZeroLengthStream) {
ASSERT_TRUE(OpenDocument("zero_length_stream.pdf"));
FPDF_PAGE page = LoadPage(0);
ASSERT_TRUE(page);
ScopedFPDFBitmap bitmap = RenderLoadedPage(page);
ASSERT_EQ(200, FPDFBitmap_GetWidth(bitmap.get()));
ASSERT_EQ(200, FPDFBitmap_GetHeight(bitmap.get()));
ASSERT_EQ(800, FPDFBitmap_GetStride(bitmap.get()));
std::string digest = HashBitmap(bitmap.get());
UnloadPage(page);
FPDF_DOCUMENT new_doc = FPDF_CreateNewDocument();
EXPECT_TRUE(new_doc);
EXPECT_TRUE(FPDF_ImportPages(new_doc, document(), "1", 0));
EXPECT_EQ(1, FPDF_GetPageCount(new_doc));
FPDF_PAGE new_page = FPDF_LoadPage(new_doc, 0);
ASSERT_NE(nullptr, new_page);
ScopedFPDFBitmap new_bitmap = RenderPage(new_page);
ASSERT_EQ(200, FPDFBitmap_GetWidth(new_bitmap.get()));
ASSERT_EQ(200, FPDFBitmap_GetHeight(new_bitmap.get()));
ASSERT_EQ(800, FPDFBitmap_GetStride(new_bitmap.get()));
EXPECT_EQ(digest, HashBitmap(new_bitmap.get()));
FPDF_ClosePage(new_page);
FPDF_CloseDocument(new_doc);
}