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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 <string>
#include "core/fxcrt/fx_basic.h"
#include "public/fpdf_edit.h"
#include "public/fpdf_ppo.h"
#include "public/fpdfview.h"
#include "testing/embedder_test.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/test_support.h"
namespace {
class FPDFPPOEmbeddertest : public EmbedderTest {};
int FakeBlockWriter(FPDF_FILEWRITE* pThis,
const void* pData,
unsigned long size) {
return size;
}
} // namespace
TEST_F(FPDFPPOEmbeddertest, NoViewerPreferences) {
EXPECT_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) {
EXPECT_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, 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) {
EXPECT_TRUE(OpenDocument("viewer_ref.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) {
EXPECT_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_TRUE(FPDF_ImportPages(output_doc, document(), "1-1", 0));
EXPECT_EQ(5, FPDF_GetPageCount(output_doc));
FPDF_CloseDocument(output_doc);
UnloadPage(page);
}
TEST_F(FPDFPPOEmbeddertest, BUG_664284) {
EXPECT_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, ImportWithZeroLengthStream) {
EXPECT_TRUE(OpenDocument("zero_length_stream.pdf"));
FPDF_PAGE page = LoadPage(0);
ASSERT_NE(nullptr, page);
FPDF_BITMAP bitmap = RenderPage(page);
ASSERT_EQ(200, FPDFBitmap_GetWidth(bitmap));
ASSERT_EQ(200, FPDFBitmap_GetHeight(bitmap));
ASSERT_EQ(800, FPDFBitmap_GetStride(bitmap));
std::string digest = HashBitmap(bitmap, 200, 200);
FPDFBitmap_Destroy(bitmap);
FPDF_ClosePage(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);
FPDF_BITMAP new_bitmap = RenderPage(new_page);
ASSERT_EQ(200, FPDFBitmap_GetWidth(new_bitmap));
ASSERT_EQ(200, FPDFBitmap_GetHeight(new_bitmap));
ASSERT_EQ(800, FPDFBitmap_GetStride(new_bitmap));
std::string new_digest = HashBitmap(new_bitmap, 200, 200);
FPDFBitmap_Destroy(new_bitmap);
FPDF_ClosePage(new_page);
FPDF_CloseDocument(new_doc);
EXPECT_EQ(digest, new_digest);
}
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