// Copyright 2015 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include <memory>
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#include <string>
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#include "core/fxcrt/fx_string.h"
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#include "public/fpdf_doc.h"
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#include "public/fpdf_edit.h"
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#include "public/fpdfview.h"
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#include "testing/embedder_test.h"
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#include "testing/gtest/include/gtest/gtest.h"
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#include "testing/test_support.h"
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class FPDFDocEmbeddertest : public EmbedderTest {};
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TEST_F(FPDFDocEmbeddertest, DestGetPageIndex) {
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EXPECT_TRUE(OpenDocument("named_dests.pdf"));
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// NULL FPDF_DEST case.
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EXPECT_EQ(0U, FPDFDest_GetPageIndex(document(), nullptr));
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// Page number directly in item from Dests NameTree.
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FPDF_DEST dest = FPDF_GetNamedDestByName(document(), "First");
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EXPECT_TRUE(dest);
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EXPECT_EQ(1U, FPDFDest_GetPageIndex(document(), dest));
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// Page number via object reference in item from Dests NameTree.
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dest = FPDF_GetNamedDestByName(document(), "Next");
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EXPECT_TRUE(dest);
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EXPECT_EQ(1U, FPDFDest_GetPageIndex(document(), dest));
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// Page number directly in item from Dests dictionary.
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dest = FPDF_GetNamedDestByName(document(), "FirstAlternate");
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EXPECT_TRUE(dest);
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EXPECT_EQ(11U, FPDFDest_GetPageIndex(document(), dest));
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// Invalid object reference in item from Dests NameTree.
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dest = FPDF_GetNamedDestByName(document(), "LastAlternate");
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EXPECT_TRUE(dest);
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EXPECT_EQ(0U, FPDFDest_GetPageIndex(document(), dest));
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}
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TEST_F(FPDFDocEmbeddertest, DestGetView) {
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EXPECT_TRUE(OpenDocument("named_dests.pdf"));
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unsigned long numParams;
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FS_FLOAT params[4];
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numParams = 42;
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std::fill_n(params, 4, 42.4242f);
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EXPECT_EQ(static_cast<unsigned long>(PDFDEST_VIEW_UNKNOWN_MODE),
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FPDFDest_GetView(nullptr, &numParams, params));
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EXPECT_EQ(0U, numParams);
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EXPECT_FLOAT_EQ(42.4242f, params[0]);
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numParams = 42;
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std::fill_n(params, 4, 42.4242f);
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FPDF_DEST dest = FPDF_GetNamedDestByName(document(), "First");
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EXPECT_TRUE(dest);
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EXPECT_EQ(static_cast<unsigned long>(PDFDEST_VIEW_XYZ),
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FPDFDest_GetView(dest, &numParams, params));
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EXPECT_EQ(3U, numParams);
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EXPECT_FLOAT_EQ(0, params[0]);
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EXPECT_FLOAT_EQ(0, params[1]);
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EXPECT_FLOAT_EQ(1, params[2]);
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EXPECT_FLOAT_EQ(42.4242f, params[3]);
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numParams = 42;
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std::fill_n(params, 4, 42.4242f);
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dest = FPDF_GetNamedDestByName(document(), "Next");
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EXPECT_TRUE(dest);
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EXPECT_EQ(static_cast<unsigned long>(PDFDEST_VIEW_FIT),
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FPDFDest_GetView(dest, &numParams, params));
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EXPECT_EQ(0U, numParams);
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EXPECT_FLOAT_EQ(42.4242f, params[0]);
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numParams = 42;
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std::fill_n(params, 4, 42.4242f);
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dest = FPDF_GetNamedDestByName(document(), "FirstAlternate");
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EXPECT_TRUE(dest);
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EXPECT_EQ(static_cast<unsigned long>(PDFDEST_VIEW_XYZ),
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FPDFDest_GetView(dest, &numParams, params));
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EXPECT_EQ(3U, numParams);
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EXPECT_FLOAT_EQ(200, params[0]);
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EXPECT_FLOAT_EQ(400, params[1]);
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EXPECT_FLOAT_EQ(800, params[2]);
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EXPECT_FLOAT_EQ(42.4242f, params[3]);
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numParams = 42;
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std::fill_n(params, 4, 42.4242f);
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dest = FPDF_GetNamedDestByName(document(), "LastAlternate");
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EXPECT_TRUE(dest);
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EXPECT_EQ(static_cast<unsigned long>(PDFDEST_VIEW_XYZ),
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FPDFDest_GetView(dest, &numParams, params));
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EXPECT_EQ(3U, numParams);
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EXPECT_FLOAT_EQ(0, params[0]);
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EXPECT_FLOAT_EQ(0, params[1]);
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EXPECT_FLOAT_EQ(-200, params[2]);
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EXPECT_FLOAT_EQ(42.4242f, params[3]);
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}
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TEST_F(FPDFDocEmbeddertest, DestGetLocationInPage) {
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EXPECT_TRUE(OpenDocument("named_dests.pdf"));
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// NULL FPDF_DEST case.
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EXPECT_EQ(0U, FPDFDest_GetPageIndex(document(), nullptr));
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FPDF_DEST dest = FPDF_GetNamedDestByName(document(), "First");
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EXPECT_TRUE(dest);
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FPDF_BOOL hasX;
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FPDF_BOOL hasY;
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FPDF_BOOL hasZoom;
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FS_FLOAT x;
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FS_FLOAT y;
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FS_FLOAT zoom;
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EXPECT_TRUE(
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FPDFDest_GetLocationInPage(dest, &hasX, &hasY, &hasZoom, &x, &y, &zoom));
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EXPECT_TRUE(hasX);
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EXPECT_TRUE(hasY);
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EXPECT_TRUE(hasZoom);
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EXPECT_EQ(0, x);
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EXPECT_EQ(0, y);
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EXPECT_EQ(1, zoom);
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}
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TEST_F(FPDFDocEmbeddertest, BUG_680376) {
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EXPECT_TRUE(OpenDocument("bug_680376.pdf"));
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// Page number directly in item from Dests NameTree.
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FPDF_DEST dest = FPDF_GetNamedDestByName(document(), "First");
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EXPECT_TRUE(dest);
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EXPECT_EQ(static_cast<unsigned long>(-1),
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FPDFDest_GetPageIndex(document(), dest));
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}
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TEST_F(FPDFDocEmbeddertest, ActionGetFilePath) {
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EXPECT_TRUE(OpenDocument("launch_action.pdf"));
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FPDF_PAGE page = FPDF_LoadPage(document(), 0);
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ASSERT_TRUE(page);
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// The target action is nearly the size of the whole page.
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FPDF_LINK link = FPDFLink_GetLinkAtPoint(page, 100, 100);
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ASSERT_TRUE(link);
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FPDF_ACTION action = FPDFLink_GetAction(link);
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ASSERT_TRUE(action);
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const char kExpectedResult[] = "test.pdf";
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const unsigned long kExpectedLength = sizeof(kExpectedResult);
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unsigned long bufsize = FPDFAction_GetFilePath(action, nullptr, 0);
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ASSERT_EQ(kExpectedLength, bufsize);
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char buf[kExpectedLength];
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EXPECT_EQ(bufsize, FPDFAction_GetFilePath(action, buf, bufsize));
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EXPECT_EQ(std::string(kExpectedResult), std::string(buf));
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FPDF_ClosePage(page);
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}
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TEST_F(FPDFDocEmbeddertest, NoBookmarks) {
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// Open a file with no bookmarks.
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EXPECT_TRUE(OpenDocument("named_dests.pdf"));
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// The non-existent top-level bookmark has no title.
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unsigned short buf[128];
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EXPECT_EQ(0u, FPDFBookmark_GetTitle(nullptr, buf, sizeof(buf)));
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// The non-existent top-level bookmark has no children.
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EXPECT_EQ(nullptr, FPDFBookmark_GetFirstChild(document(), nullptr));
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}
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TEST_F(FPDFDocEmbeddertest, Bookmarks) {
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// Open a file with two bookmarks.
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EXPECT_TRUE(OpenDocument("bookmarks.pdf"));
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// The existent top-level bookmark has no title.
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unsigned short buf[128];
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EXPECT_EQ(0u, FPDFBookmark_GetTitle(nullptr, buf, sizeof(buf)));
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FPDF_BOOKMARK child = FPDFBookmark_GetFirstChild(document(), nullptr);
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EXPECT_TRUE(child);
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EXPECT_EQ(34u, FPDFBookmark_GetTitle(child, buf, sizeof(buf)));
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EXPECT_EQ(WideString(L"A Good Beginning"), WideString::FromUTF16LE(buf, 16));
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EXPECT_EQ(nullptr, FPDFBookmark_GetFirstChild(document(), child));
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FPDF_BOOKMARK sibling = FPDFBookmark_GetNextSibling(document(), child);
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EXPECT_TRUE(sibling);
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EXPECT_EQ(28u, FPDFBookmark_GetTitle(sibling, buf, sizeof(buf)));
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EXPECT_EQ(WideString(L"A Good Ending"), WideString::FromUTF16LE(buf, 13));
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EXPECT_EQ(nullptr, FPDFBookmark_GetNextSibling(document(), sibling));
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}
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TEST_F(FPDFDocEmbeddertest, FindBookmarks) {
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// Open a file with two bookmarks.
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EXPECT_TRUE(OpenDocument("bookmarks.pdf"));
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// Find the first one, based on its known title.
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std::unique_ptr<unsigned short, pdfium::FreeDeleter> title =
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GetFPDFWideString(L"A Good Beginning");
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FPDF_BOOKMARK child = FPDFBookmark_Find(document(), title.get());
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EXPECT_TRUE(child);
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// Check that the string matches.
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unsigned short buf[128];
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EXPECT_EQ(34u, FPDFBookmark_GetTitle(child, buf, sizeof(buf)));
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EXPECT_EQ(WideString(L"A Good Beginning"), WideString::FromUTF16LE(buf, 16));
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// Check that it is them same as the one returned by GetFirstChild.
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EXPECT_EQ(child, FPDFBookmark_GetFirstChild(document(), nullptr));
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// Try to find one using a non-existent title.
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std::unique_ptr<unsigned short, pdfium::FreeDeleter> bad_title =
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GetFPDFWideString(L"A BAD Beginning");
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EXPECT_EQ(nullptr, FPDFBookmark_Find(document(), bad_title.get()));
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}
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// Check circular bookmarks will not cause infinite loop.
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TEST_F(FPDFDocEmbeddertest, FindBookmarks_bug420) {
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// Open a file with circular bookmarks.
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EXPECT_TRUE(OpenDocument("bookmarks_circular.pdf"));
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// Try to find a title.
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std::unique_ptr<unsigned short, pdfium::FreeDeleter> title =
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GetFPDFWideString(L"anything");
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EXPECT_EQ(nullptr, FPDFBookmark_Find(document(), title.get()));
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}
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TEST_F(FPDFDocEmbeddertest, DeletePage) {
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EXPECT_TRUE(OpenDocument("hello_world.pdf"));
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EXPECT_EQ(1, FPDF_GetPageCount(document()));
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FPDFPage_Delete(document(), 0);
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EXPECT_EQ(0, FPDF_GetPageCount(document()));
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}
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TEST_F(FPDFDocEmbeddertest, GetMetaText) {
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ASSERT_TRUE(OpenDocument("bug_601362.pdf"));
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// Invalid document / tag results in 0.
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unsigned short buf[128];
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EXPECT_EQ(0u, FPDF_GetMetaText(document(), nullptr, buf, sizeof(buf)));
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EXPECT_EQ(0u, FPDF_GetMetaText(nullptr, "", buf, sizeof(buf)));
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// Tags that do not eixst results in an empty wide string.
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EXPECT_EQ(2u, FPDF_GetMetaText(document(), "", buf, sizeof(buf)));
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EXPECT_EQ(2u, FPDF_GetMetaText(document(), "foo", buf, sizeof(buf)));
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ASSERT_EQ(2u, FPDF_GetMetaText(document(), "Title", buf, sizeof(buf)));
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ASSERT_EQ(2u, FPDF_GetMetaText(document(), "Author", buf, sizeof(buf)));
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ASSERT_EQ(2u, FPDF_GetMetaText(document(), "Subject", buf, sizeof(buf)));
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ASSERT_EQ(2u, FPDF_GetMetaText(document(), "Keywords", buf, sizeof(buf)));
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ASSERT_EQ(2u, FPDF_GetMetaText(document(), "Producer", buf, sizeof(buf)));
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constexpr wchar_t kExpectedCreator[] = L"Microsoft Word";
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ASSERT_EQ(30u, FPDF_GetMetaText(document(), "Creator", buf, sizeof(buf)));
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EXPECT_EQ(WideString(kExpectedCreator),
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WideString::FromUTF16LE(buf, FXSYS_len(kExpectedCreator)));
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constexpr wchar_t kExpectedCreationDate[] = L"D:20160411190039+00'00'";
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ASSERT_EQ(48u,
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FPDF_GetMetaText(document(), "CreationDate", buf, sizeof(buf)));
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EXPECT_EQ(WideString(kExpectedCreationDate),
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WideString::FromUTF16LE(buf, FXSYS_len(kExpectedCreationDate)));
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constexpr wchar_t kExpectedModDate[] = L"D:20160411190039+00'00'";
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ASSERT_EQ(48u, FPDF_GetMetaText(document(), "ModDate", buf, sizeof(buf)));
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EXPECT_EQ(WideString(kExpectedModDate),
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WideString::FromUTF16LE(buf, FXSYS_len(kExpectedModDate)));
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}
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TEST_F(FPDFDocEmbeddertest, GetMetaTextSameObjectNumber) {
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ASSERT_TRUE(OpenDocument("annotation_highlight_square_with_ap.pdf"));
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// The PDF has been edited. It has two %%EOF markers, and 2 objects numbered
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// (1 0). Both objects are /Info dictionaries, but contain different data.
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// Make sure ModDate is the date of the last modification.
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unsigned short buf[128];
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constexpr wchar_t kExpectedModDate[] = L"D:20170612232940-04'00'";
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ASSERT_EQ(48u, FPDF_GetMetaText(document(), "ModDate", buf, sizeof(buf)));
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EXPECT_EQ(WideString(kExpectedModDate),
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WideString::FromUTF16LE(buf, FXSYS_len(kExpectedModDate)));
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}
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TEST_F(FPDFDocEmbeddertest, GetMetaTextInAttachmentFile) {
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ASSERT_TRUE(OpenDocument("embedded_attachments.pdf"));
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// Make sure this is the date from the PDF itself and not the attached PDF.
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unsigned short buf[128];
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constexpr wchar_t kExpectedModDate[] = L"D:20170712214448-07'00'";
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ASSERT_EQ(48u, FPDF_GetMetaText(document(), "ModDate", buf, sizeof(buf)));
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EXPECT_EQ(WideString(kExpectedModDate),
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WideString::FromUTF16LE(buf, FXSYS_len(kExpectedModDate)));
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}
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TEST_F(FPDFDocEmbeddertest, GetMetaTextFromNewDocument) {
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FPDF_DOCUMENT empty_doc = FPDF_CreateNewDocument();
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unsigned short buf[128];
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EXPECT_EQ(2u, FPDF_GetMetaText(empty_doc, "Title", buf, sizeof(buf)));
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FPDF_CloseDocument(empty_doc);
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}
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TEST_F(FPDFDocEmbeddertest, NoPageLabels) {
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EXPECT_TRUE(OpenDocument("about_blank.pdf"));
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EXPECT_EQ(1, FPDF_GetPageCount(document()));
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ASSERT_EQ(0u, FPDF_GetPageLabel(document(), 0, nullptr, 0));
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}
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TEST_F(FPDFDocEmbeddertest, GetPageLabels) {
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EXPECT_TRUE(OpenDocument("page_labels.pdf"));
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EXPECT_EQ(7, FPDF_GetPageCount(document()));
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// We do not request labels, when use FPDFAvail_IsXXXAvail.
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// Flush all data, to allow read labels.
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SetWholeFileAvailable();
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unsigned short buf[128];
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EXPECT_EQ(0u, FPDF_GetPageLabel(document(), -2, buf, sizeof(buf)));
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EXPECT_EQ(0u, FPDF_GetPageLabel(document(), -1, buf, sizeof(buf)));
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const wchar_t kExpectedPageLabel0[] = L"i";
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ASSERT_EQ(4u, FPDF_GetPageLabel(document(), 0, buf, sizeof(buf)));
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EXPECT_EQ(WideString(kExpectedPageLabel0),
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WideString::FromUTF16LE(buf, FXSYS_len(kExpectedPageLabel0)));
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const wchar_t kExpectedPageLabel1[] = L"ii";
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ASSERT_EQ(6u, FPDF_GetPageLabel(document(), 1, buf, sizeof(buf)));
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EXPECT_EQ(WideString(kExpectedPageLabel1),
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WideString::FromUTF16LE(buf, FXSYS_len(kExpectedPageLabel1)));
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const wchar_t kExpectedPageLabel2[] = L"1";
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ASSERT_EQ(4u, FPDF_GetPageLabel(document(), 2, buf, sizeof(buf)));
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EXPECT_EQ(WideString(kExpectedPageLabel2),
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WideString::FromUTF16LE(buf, FXSYS_len(kExpectedPageLabel2)));
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const wchar_t kExpectedPageLabel3[] = L"2";
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ASSERT_EQ(4u, FPDF_GetPageLabel(document(), 3, buf, sizeof(buf)));
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EXPECT_EQ(WideString(kExpectedPageLabel3),
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WideString::FromUTF16LE(buf, FXSYS_len(kExpectedPageLabel3)));
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const wchar_t kExpectedPageLabel4[] = L"zzA";
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ASSERT_EQ(8u, FPDF_GetPageLabel(document(), 4, buf, sizeof(buf)));
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EXPECT_EQ(WideString(kExpectedPageLabel4),
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WideString::FromUTF16LE(buf, FXSYS_len(kExpectedPageLabel4)));
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const wchar_t kExpectedPageLabel5[] = L"zzB";
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ASSERT_EQ(8u, FPDF_GetPageLabel(document(), 5, buf, sizeof(buf)));
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EXPECT_EQ(WideString(kExpectedPageLabel5),
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WideString::FromUTF16LE(buf, FXSYS_len(kExpectedPageLabel5)));
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const wchar_t kExpectedPageLabel6[] = L"";
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ASSERT_EQ(2u, FPDF_GetPageLabel(document(), 6, buf, sizeof(buf)));
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EXPECT_EQ(WideString(kExpectedPageLabel6),
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WideString::FromUTF16LE(buf, FXSYS_len(kExpectedPageLabel6)));
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ASSERT_EQ(0u, FPDF_GetPageLabel(document(), 7, buf, sizeof(buf)));
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ASSERT_EQ(0u, FPDF_GetPageLabel(document(), 8, buf, sizeof(buf)));
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}
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