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pdfium_engine_unittest.cc
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pdfium_engine_unittest.cc
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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "pdf/pdfium/pdfium_engine.h"
#include <stdint.h>
#include <utility>
#include "base/functional/callback.h"
#include "base/hash/md5.h"
#include "base/run_loop.h"
#include "base/strings/utf_string_conversions.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/gmock_move_support.h"
#include "base/test/gtest_util.h"
#include "base/test/mock_callback.h"
#include "base/test/scoped_feature_list.h"
#include "base/time/time.h"
#include "build/build_config.h"
#include "pdf/document_attachment_info.h"
#include "pdf/document_layout.h"
#include "pdf/document_metadata.h"
#include "pdf/pdf_features.h"
#include "pdf/pdfium/pdfium_page.h"
#include "pdf/pdfium/pdfium_test_base.h"
#include "pdf/test/test_client.h"
#include "pdf/test/test_document_loader.h"
#include "pdf/ui/thumbnail.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/common/input/web_input_event.h"
#include "third_party/blink/public/common/input/web_keyboard_event.h"
#include "third_party/blink/public/common/input/web_mouse_event.h"
#include "third_party/blink/public/common/input/web_pointer_properties.h"
#include "ui/events/keycodes/keyboard_codes.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/point_f.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/size.h"
namespace chrome_pdf {
namespace {
using ::testing::_;
using ::testing::InSequence;
using ::testing::Invoke;
using ::testing::IsEmpty;
using ::testing::NiceMock;
using ::testing::Not;
using ::testing::Return;
using ::testing::StrictMock;
MATCHER_P2(LayoutWithSize, width, height, "") {
return arg.size() == gfx::Size(width, height);
}
MATCHER_P(LayoutWithOptions, options, "") {
return arg.options() == options;
}
blink::WebMouseEvent CreateLeftClickWebMouseEventAtPositionWithClickCount(
const gfx::PointF& position,
int click_count_param) {
return blink::WebMouseEvent(
blink::WebInputEvent::Type::kMouseDown, /*position=*/position,
/*global_position=*/position, blink::WebPointerProperties::Button::kLeft,
click_count_param, blink::WebInputEvent::Modifiers::kLeftButtonDown,
blink::WebInputEvent::GetStaticTimeStampForTests());
}
blink::WebMouseEvent CreateLeftClickWebMouseEventAtPosition(
const gfx::PointF& position) {
return CreateLeftClickWebMouseEventAtPositionWithClickCount(position, 1);
}
blink::WebMouseEvent CreateLeftClickWebMouseUpEventAtPosition(
const gfx::PointF& position) {
return blink::WebMouseEvent(
blink::WebInputEvent::Type::kMouseUp, /*position=*/position,
/*global_position=*/position, blink::WebPointerProperties::Button::kLeft,
/*click_count_param=*/1, blink::WebInputEvent::Modifiers::kNoModifiers,
blink::WebInputEvent::GetStaticTimeStampForTests());
}
blink::WebMouseEvent CreateRightClickWebMouseEventAtPosition(
const gfx::PointF& position) {
return blink::WebMouseEvent(
blink::WebInputEvent::Type::kMouseDown, /*position=*/position,
/*global_position=*/position, blink::WebPointerProperties::Button::kRight,
/*click_count_param=*/1,
blink::WebInputEvent::Modifiers::kRightButtonDown,
blink::WebInputEvent::GetStaticTimeStampForTests());
}
blink::WebMouseEvent CreateMoveWebMouseEventToPosition(
const gfx::PointF& position) {
return blink::WebMouseEvent(
blink::WebInputEvent::Type::kMouseMove, /*position=*/position,
/*global_position=*/position,
blink::WebPointerProperties::Button::kNoButton, /*click_count_param=*/0,
blink::WebInputEvent::Modifiers::kNoModifiers,
blink::WebInputEvent::GetStaticTimeStampForTests());
}
class MockTestClient : public TestClient {
public:
MockTestClient() {
ON_CALL(*this, ProposeDocumentLayout)
.WillByDefault([this](const DocumentLayout& layout) {
TestClient::ProposeDocumentLayout(layout);
});
}
MOCK_METHOD(void, ProposeDocumentLayout, (const DocumentLayout&), (override));
MOCK_METHOD(void, ScrollToPage, (int), (override));
MOCK_METHOD(void,
NavigateTo,
(const std::string&, WindowOpenDisposition),
(override));
MOCK_METHOD(bool, IsPrintPreview, (), (const override));
MOCK_METHOD(void, DocumentFocusChanged, (bool), (override));
MOCK_METHOD(void, SetLinkUnderCursor, (const std::string&), (override));
};
} // namespace
class PDFiumEngineTest : public PDFiumTestBase {
protected:
void ExpectPageRect(const PDFiumEngine& engine,
size_t page_index,
const gfx::Rect& expected_rect) {
const PDFiumPage& page = GetPDFiumPageForTest(engine, page_index);
EXPECT_EQ(expected_rect, page.rect());
}
// Tries to load a PDF incrementally, returning `true` if the PDF actually was
// loaded incrementally. Note that this function will return `false` if
// incremental loading fails, but also if incremental loading is disabled.
bool TryLoadIncrementally() {
NiceMock<MockTestClient> client;
InitializeEngineResult initialize_result = InitializeEngineWithoutLoading(
&client, FILE_PATH_LITERAL("linearized.pdf"));
if (!initialize_result.engine) {
ADD_FAILURE();
return false;
}
PDFiumEngine& engine = *initialize_result.engine;
// Load enough for the document to become partially available.
initialize_result.document_loader->SimulateLoadData(8192);
bool loaded_incrementally;
if (engine.GetNumberOfPages() == 0) {
// This is not necessarily a test failure; it just indicates incremental
// loading is not occurring.
engine.PluginSizeUpdated({});
loaded_incrementally = false;
} else {
// Note: Plugin size chosen so all pages of the document are visible. The
// engine only updates availability incrementally for visible pages.
EXPECT_EQ(0, CountAvailablePages(engine));
engine.PluginSizeUpdated({1024, 4096});
int available_pages = CountAvailablePages(engine);
loaded_incrementally =
0 < available_pages && available_pages < engine.GetNumberOfPages();
}
// Verify that loading can finish.
initialize_result.FinishLoading();
EXPECT_EQ(engine.GetNumberOfPages(), CountAvailablePages(engine));
return loaded_incrementally;
}
void FinishWithPluginSizeUpdated(PDFiumEngine& engine) {
engine.PluginSizeUpdated({});
base::RunLoop run_loop;
base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, run_loop.QuitClosure());
run_loop.Run();
}
// Counts the number of available pages. Returns `int` instead of `size_t` for
// consistency with `PDFiumEngine::GetNumberOfPages()`.
int CountAvailablePages(const PDFiumEngine& engine) {
int available_pages = 0;
for (int i = 0; i < engine.GetNumberOfPages(); ++i) {
if (GetPDFiumPageForTest(engine, i).available())
++available_pages;
}
return available_pages;
}
};
TEST_P(PDFiumEngineTest, InitializeWithRectanglesMultiPagesPdf) {
NiceMock<MockTestClient> client;
// ProposeDocumentLayout() gets called twice during loading because
// PDFiumEngine::ContinueLoadingDocument() calls LoadBody() (which eventually
// triggers a layout proposal), and then calls FinishLoadingDocument() (since
// the document is complete), which calls LoadBody() again. Coalescing these
// proposals is not correct unless we address the issue covered by
// PDFiumEngineTest.ProposeDocumentLayoutWithOverlap.
EXPECT_CALL(client, ProposeDocumentLayout(LayoutWithSize(343, 1664)))
.Times(2);
std::unique_ptr<PDFiumEngine> engine = InitializeEngine(
&client, FILE_PATH_LITERAL("rectangles_multi_pages.pdf"));
ASSERT_TRUE(engine);
ASSERT_EQ(5, engine->GetNumberOfPages());
ExpectPageRect(*engine, 0, {38, 3, 266, 333});
ExpectPageRect(*engine, 1, {5, 350, 333, 266});
ExpectPageRect(*engine, 2, {38, 630, 266, 333});
ExpectPageRect(*engine, 3, {38, 977, 266, 333});
ExpectPageRect(*engine, 4, {38, 1324, 266, 333});
}
TEST_P(PDFiumEngineTest, InitializeWithRectanglesMultiPagesPdfInTwoUpView) {
NiceMock<MockTestClient> client;
std::unique_ptr<PDFiumEngine> engine = InitializeEngine(
&client, FILE_PATH_LITERAL("rectangles_multi_pages.pdf"));
ASSERT_TRUE(engine);
DocumentLayout::Options options;
options.set_page_spread(DocumentLayout::PageSpread::kTwoUpOdd);
EXPECT_CALL(client, ProposeDocumentLayout(LayoutWithOptions(options)))
.WillOnce(Return());
engine->SetDocumentLayout(DocumentLayout::PageSpread::kTwoUpOdd);
engine->ApplyDocumentLayout(options);
ASSERT_EQ(5, engine->GetNumberOfPages());
ExpectPageRect(*engine, 0, {72, 3, 266, 333});
ExpectPageRect(*engine, 1, {340, 3, 333, 266});
ExpectPageRect(*engine, 2, {72, 346, 266, 333});
ExpectPageRect(*engine, 3, {340, 346, 266, 333});
ExpectPageRect(*engine, 4, {68, 689, 266, 333});
}
TEST_P(PDFiumEngineTest, AppendBlankPagesWithFewerPages) {
NiceMock<MockTestClient> client;
{
InSequence normal_then_append;
EXPECT_CALL(client, ProposeDocumentLayout(LayoutWithSize(343, 1664)))
.Times(2);
EXPECT_CALL(client, ProposeDocumentLayout(LayoutWithSize(276, 1037)));
}
std::unique_ptr<PDFiumEngine> engine = InitializeEngine(
&client, FILE_PATH_LITERAL("rectangles_multi_pages.pdf"));
ASSERT_TRUE(engine);
engine->AppendBlankPages(3);
ASSERT_EQ(3, engine->GetNumberOfPages());
ExpectPageRect(*engine, 0, {5, 3, 266, 333});
ExpectPageRect(*engine, 1, {5, 350, 266, 333});
ExpectPageRect(*engine, 2, {5, 697, 266, 333});
}
TEST_P(PDFiumEngineTest, AppendBlankPagesWithMorePages) {
NiceMock<MockTestClient> client;
{
InSequence normal_then_append;
EXPECT_CALL(client, ProposeDocumentLayout(LayoutWithSize(343, 1664)))
.Times(2);
EXPECT_CALL(client, ProposeDocumentLayout(LayoutWithSize(276, 2425)));
}
std::unique_ptr<PDFiumEngine> engine = InitializeEngine(
&client, FILE_PATH_LITERAL("rectangles_multi_pages.pdf"));
ASSERT_TRUE(engine);
engine->AppendBlankPages(7);
ASSERT_EQ(7, engine->GetNumberOfPages());
ExpectPageRect(*engine, 0, {5, 3, 266, 333});
ExpectPageRect(*engine, 1, {5, 350, 266, 333});
ExpectPageRect(*engine, 2, {5, 697, 266, 333});
ExpectPageRect(*engine, 3, {5, 1044, 266, 333});
ExpectPageRect(*engine, 4, {5, 1391, 266, 333});
ExpectPageRect(*engine, 5, {5, 1738, 266, 333});
ExpectPageRect(*engine, 6, {5, 2085, 266, 333});
}
TEST_P(PDFiumEngineTest, ProposeDocumentLayoutWithOverlap) {
NiceMock<MockTestClient> client;
std::unique_ptr<PDFiumEngine> engine = InitializeEngine(
&client, FILE_PATH_LITERAL("rectangles_multi_pages.pdf"));
ASSERT_TRUE(engine);
EXPECT_CALL(client, ProposeDocumentLayout(LayoutWithSize(343, 1463)))
.WillOnce(Return());
engine->RotateClockwise();
EXPECT_CALL(client, ProposeDocumentLayout(LayoutWithSize(343, 1664)))
.WillOnce(Return());
engine->RotateCounterclockwise();
}
TEST_P(PDFiumEngineTest, ApplyDocumentLayoutBeforePluginSizeUpdated) {
NiceMock<MockTestClient> client;
InitializeEngineResult initialize_result = InitializeEngineWithoutLoading(
&client, FILE_PATH_LITERAL("rectangles_multi_pages.pdf"));
ASSERT_TRUE(initialize_result.engine);
initialize_result.FinishLoading();
PDFiumEngine& engine = *initialize_result.engine;
DocumentLayout::Options options;
options.RotatePagesClockwise();
EXPECT_CALL(client, ScrollToPage(-1)).Times(0);
EXPECT_EQ(gfx::Size(343, 1664), engine.ApplyDocumentLayout(options));
EXPECT_CALL(client, ScrollToPage(-1)).Times(1);
FinishWithPluginSizeUpdated(engine);
}
TEST_P(PDFiumEngineTest, ApplyDocumentLayoutAvoidsInfiniteLoop) {
NiceMock<MockTestClient> client;
std::unique_ptr<PDFiumEngine> engine = InitializeEngine(
&client, FILE_PATH_LITERAL("rectangles_multi_pages.pdf"));
ASSERT_TRUE(engine);
DocumentLayout::Options options;
EXPECT_CALL(client, ScrollToPage(-1)).Times(0);
EXPECT_EQ(gfx::Size(343, 1664), engine->ApplyDocumentLayout(options));
options.RotatePagesClockwise();
EXPECT_CALL(client, ScrollToPage(-1)).Times(1);
EXPECT_EQ(gfx::Size(343, 1463), engine->ApplyDocumentLayout(options));
EXPECT_EQ(gfx::Size(343, 1463), engine->ApplyDocumentLayout(options));
}
TEST_P(PDFiumEngineTest, GetDocumentAttachments) {
NiceMock<MockTestClient> client;
std::unique_ptr<PDFiumEngine> engine =
InitializeEngine(&client, FILE_PATH_LITERAL("embedded_attachments.pdf"));
ASSERT_TRUE(engine);
const std::vector<DocumentAttachmentInfo>& attachments =
engine->GetDocumentAttachmentInfoList();
ASSERT_EQ(3u, attachments.size());
{
const DocumentAttachmentInfo& attachment = attachments[0];
EXPECT_EQ("1.txt", base::UTF16ToUTF8(attachment.name));
EXPECT_TRUE(attachment.is_readable);
EXPECT_EQ(4u, attachment.size_bytes);
EXPECT_EQ("D:20170712214438-07'00'",
base::UTF16ToUTF8(attachment.creation_date));
EXPECT_EQ("D:20160115091400", base::UTF16ToUTF8(attachment.modified_date));
std::vector<uint8_t> content = engine->GetAttachmentData(0);
ASSERT_EQ(attachment.size_bytes, content.size());
std::string content_str(content.begin(), content.end());
EXPECT_EQ("test", content_str);
}
{
static constexpr char kCheckSum[] = "72afcddedf554dda63c0c88e06f1ce18";
const DocumentAttachmentInfo& attachment = attachments[1];
EXPECT_EQ("attached.pdf", base::UTF16ToUTF8(attachment.name));
EXPECT_TRUE(attachment.is_readable);
EXPECT_EQ(5869u, attachment.size_bytes);
EXPECT_EQ("D:20170712214443-07'00'",
base::UTF16ToUTF8(attachment.creation_date));
EXPECT_EQ("D:20170712214410", base::UTF16ToUTF8(attachment.modified_date));
std::vector<uint8_t> content = engine->GetAttachmentData(1);
ASSERT_EQ(attachment.size_bytes, content.size());
// The whole attachment content is too long to do string comparison.
// Instead, we only verify the checksum value here.
base::MD5Digest hash;
base::MD5Sum(content.data(), content.size(), &hash);
EXPECT_EQ(kCheckSum, base::MD5DigestToBase16(hash));
}
{
// Test attachments with no creation date or last modified date.
const DocumentAttachmentInfo& attachment = attachments[2];
EXPECT_EQ("附錄.txt", base::UTF16ToUTF8(attachment.name));
EXPECT_TRUE(attachment.is_readable);
EXPECT_EQ(5u, attachment.size_bytes);
EXPECT_THAT(attachment.creation_date, IsEmpty());
EXPECT_THAT(attachment.modified_date, IsEmpty());
std::vector<uint8_t> content = engine->GetAttachmentData(2);
ASSERT_EQ(attachment.size_bytes, content.size());
std::string content_str(content.begin(), content.end());
EXPECT_EQ("test\n", content_str);
}
}
TEST_P(PDFiumEngineTest, GetInvalidDocumentAttachment) {
NiceMock<MockTestClient> client;
std::unique_ptr<PDFiumEngine> engine =
InitializeEngine(&client, FILE_PATH_LITERAL("invalid_attachment.pdf"));
ASSERT_TRUE(engine);
// Test on a document with one invalid attachment, which can make
// FPDFDoc_GetAttachment() fail. This particular attachment is invalid due
// to its key value violating the `Limits` entry.
const std::vector<DocumentAttachmentInfo>& attachments =
engine->GetDocumentAttachmentInfoList();
ASSERT_EQ(1u, attachments.size());
const DocumentAttachmentInfo& attachment = attachments[0];
EXPECT_THAT(attachment.name, IsEmpty());
EXPECT_FALSE(attachment.is_readable);
EXPECT_EQ(0u, attachment.size_bytes);
EXPECT_THAT(attachment.creation_date, IsEmpty());
EXPECT_THAT(attachment.modified_date, IsEmpty());
}
TEST_P(PDFiumEngineTest, GetDocumentAttachmentWithInvalidData) {
NiceMock<MockTestClient> client;
std::unique_ptr<PDFiumEngine> engine = InitializeEngine(
&client, FILE_PATH_LITERAL("embedded_attachments_invalid_data.pdf"));
ASSERT_TRUE(engine);
const std::vector<DocumentAttachmentInfo>& attachments =
engine->GetDocumentAttachmentInfoList();
ASSERT_EQ(1u, attachments.size());
// Test on an attachment which FPDFAttachment_GetFile() fails to retrieve data
// from.
const DocumentAttachmentInfo& attachment = attachments[0];
EXPECT_EQ("1.txt", base::UTF16ToUTF8(attachment.name));
EXPECT_FALSE(attachment.is_readable);
EXPECT_EQ(0u, attachment.size_bytes);
EXPECT_THAT(attachment.creation_date, IsEmpty());
EXPECT_THAT(attachment.modified_date, IsEmpty());
}
TEST_P(PDFiumEngineTest, NoDocumentAttachmentInfo) {
NiceMock<MockTestClient> client;
std::unique_ptr<PDFiumEngine> engine =
InitializeEngine(&client, FILE_PATH_LITERAL("hello_world2.pdf"));
ASSERT_TRUE(engine);
EXPECT_EQ(0u, engine->GetDocumentAttachmentInfoList().size());
}
TEST_P(PDFiumEngineTest, GetDocumentMetadata) {
NiceMock<MockTestClient> client;
std::unique_ptr<PDFiumEngine> engine =
InitializeEngine(&client, FILE_PATH_LITERAL("document_info.pdf"));
ASSERT_TRUE(engine);
const DocumentMetadata& doc_metadata = engine->GetDocumentMetadata();
EXPECT_EQ(PdfVersion::k1_7, doc_metadata.version);
EXPECT_EQ(714u, doc_metadata.size_bytes);
EXPECT_FALSE(doc_metadata.linearized);
EXPECT_EQ("Sample PDF Document Info", doc_metadata.title);
EXPECT_EQ("Chromium Authors", doc_metadata.author);
EXPECT_EQ("Testing", doc_metadata.subject);
EXPECT_EQ("testing,chromium,pdfium,document,info", doc_metadata.keywords);
EXPECT_EQ("Your Preferred Text Editor", doc_metadata.creator);
EXPECT_EQ("fixup_pdf_template.py", doc_metadata.producer);
base::Time expected_creation_date;
ASSERT_TRUE(base::Time::FromUTCString("2020-02-05 15:39:12",
&expected_creation_date));
EXPECT_EQ(expected_creation_date, doc_metadata.creation_date);
base::Time expected_mod_date;
ASSERT_TRUE(
base::Time::FromUTCString("2020-02-06 09:42:34", &expected_mod_date));
EXPECT_EQ(expected_mod_date, doc_metadata.mod_date);
}
TEST_P(PDFiumEngineTest, GetEmptyDocumentMetadata) {
NiceMock<MockTestClient> client;
std::unique_ptr<PDFiumEngine> engine =
InitializeEngine(&client, FILE_PATH_LITERAL("hello_world2.pdf"));
ASSERT_TRUE(engine);
const DocumentMetadata& doc_metadata = engine->GetDocumentMetadata();
EXPECT_EQ(PdfVersion::k1_7, doc_metadata.version);
EXPECT_EQ(786u, doc_metadata.size_bytes);
EXPECT_FALSE(doc_metadata.linearized);
EXPECT_THAT(doc_metadata.title, IsEmpty());
EXPECT_THAT(doc_metadata.author, IsEmpty());
EXPECT_THAT(doc_metadata.subject, IsEmpty());
EXPECT_THAT(doc_metadata.keywords, IsEmpty());
EXPECT_THAT(doc_metadata.creator, IsEmpty());
EXPECT_THAT(doc_metadata.producer, IsEmpty());
EXPECT_TRUE(doc_metadata.creation_date.is_null());
EXPECT_TRUE(doc_metadata.mod_date.is_null());
}
TEST_P(PDFiumEngineTest, GetLinearizedDocumentMetadata) {
NiceMock<MockTestClient> client;
std::unique_ptr<PDFiumEngine> engine =
InitializeEngine(&client, FILE_PATH_LITERAL("linearized.pdf"));
ASSERT_TRUE(engine);
EXPECT_TRUE(engine->GetDocumentMetadata().linearized);
}
TEST_P(PDFiumEngineTest, GetBadPdfVersion) {
NiceMock<MockTestClient> client;
std::unique_ptr<PDFiumEngine> engine =
InitializeEngine(&client, FILE_PATH_LITERAL("bad_version.pdf"));
ASSERT_TRUE(engine);
const DocumentMetadata& doc_metadata = engine->GetDocumentMetadata();
EXPECT_EQ(PdfVersion::kUnknown, doc_metadata.version);
}
TEST_P(PDFiumEngineTest, GetNamedDestination) {
NiceMock<MockTestClient> client;
std::unique_ptr<PDFiumEngine> engine =
InitializeEngine(&client, FILE_PATH_LITERAL("named_destinations.pdf"));
ASSERT_TRUE(engine);
ASSERT_EQ(2, engine->GetNumberOfPages());
// A destination with a valid page object
absl::optional<PDFEngine::NamedDestination> valid_page_obj =
engine->GetNamedDestination("ValidPageObj");
ASSERT_TRUE(valid_page_obj.has_value());
EXPECT_EQ(0u, valid_page_obj->page);
EXPECT_EQ("XYZ", valid_page_obj->view);
ASSERT_EQ(3u, valid_page_obj->num_params);
EXPECT_EQ(1.2f, valid_page_obj->params[2]);
// A destination with an invalid page object
absl::optional<PDFEngine::NamedDestination> invalid_page_obj =
engine->GetNamedDestination("InvalidPageObj");
ASSERT_FALSE(invalid_page_obj.has_value());
// A destination with a valid page number
absl::optional<PDFEngine::NamedDestination> valid_page_number =
engine->GetNamedDestination("ValidPageNumber");
ASSERT_TRUE(valid_page_number.has_value());
EXPECT_EQ(1u, valid_page_number->page);
// A destination with an out-of-range page number
absl::optional<PDFEngine::NamedDestination> invalid_page_number =
engine->GetNamedDestination("OutOfRangePageNumber");
EXPECT_FALSE(invalid_page_number.has_value());
}
TEST_P(PDFiumEngineTest, PluginSizeUpdatedBeforeLoad) {
NiceMock<MockTestClient> client;
InitializeEngineResult initialize_result = InitializeEngineWithoutLoading(
&client, FILE_PATH_LITERAL("rectangles_multi_pages.pdf"));
ASSERT_TRUE(initialize_result.engine);
PDFiumEngine& engine = *initialize_result.engine;
engine.PluginSizeUpdated({});
initialize_result.FinishLoading();
EXPECT_EQ(engine.GetNumberOfPages(), CountAvailablePages(engine));
}
TEST_P(PDFiumEngineTest, PluginSizeUpdatedDuringLoad) {
NiceMock<MockTestClient> client;
InitializeEngineResult initialize_result = InitializeEngineWithoutLoading(
&client, FILE_PATH_LITERAL("rectangles_multi_pages.pdf"));
ASSERT_TRUE(initialize_result.engine);
PDFiumEngine& engine = *initialize_result.engine;
EXPECT_TRUE(initialize_result.document_loader->SimulateLoadData(1024));
engine.PluginSizeUpdated({});
initialize_result.FinishLoading();
EXPECT_EQ(engine.GetNumberOfPages(), CountAvailablePages(engine));
}
TEST_P(PDFiumEngineTest, PluginSizeUpdatedAfterLoad) {
NiceMock<MockTestClient> client;
InitializeEngineResult initialize_result = InitializeEngineWithoutLoading(
&client, FILE_PATH_LITERAL("rectangles_multi_pages.pdf"));
ASSERT_TRUE(initialize_result.engine);
PDFiumEngine& engine = *initialize_result.engine;
initialize_result.FinishLoading();
FinishWithPluginSizeUpdated(engine);
EXPECT_EQ(engine.GetNumberOfPages(), CountAvailablePages(engine));
}
TEST_P(PDFiumEngineTest, OnLeftMouseDownBeforePluginSizeUpdated) {
NiceMock<MockTestClient> client;
InitializeEngineResult initialize_result = InitializeEngineWithoutLoading(
&client, FILE_PATH_LITERAL("rectangles_multi_pages.pdf"));
ASSERT_TRUE(initialize_result.engine);
initialize_result.FinishLoading();
PDFiumEngine& engine = *initialize_result.engine;
EXPECT_TRUE(engine.HandleInputEvent(blink::WebMouseEvent(
blink::WebInputEvent::Type::kMouseDown, {0, 0}, {100, 200},
blink::WebPointerProperties::Button::kLeft, /*click_count_param=*/1,
blink::WebInputEvent::Modifiers::kLeftButtonDown,
blink::WebInputEvent::GetStaticTimeStampForTests())));
}
TEST_P(PDFiumEngineTest, OnLeftMouseDownAfterPluginSizeUpdated) {
NiceMock<MockTestClient> client;
InitializeEngineResult initialize_result = InitializeEngineWithoutLoading(
&client, FILE_PATH_LITERAL("rectangles_multi_pages.pdf"));
ASSERT_TRUE(initialize_result.engine);
initialize_result.FinishLoading();
PDFiumEngine& engine = *initialize_result.engine;
engine.PluginSizeUpdated({300, 400});
EXPECT_TRUE(engine.HandleInputEvent(blink::WebMouseEvent(
blink::WebInputEvent::Type::kMouseDown, {0, 0}, {100, 200},
blink::WebPointerProperties::Button::kLeft, /*click_count_param=*/1,
blink::WebInputEvent::Modifiers::kLeftButtonDown,
blink::WebInputEvent::GetStaticTimeStampForTests())));
}
TEST_P(PDFiumEngineTest, IncrementalLoadingFeatureDefault) {
EXPECT_FALSE(TryLoadIncrementally());
}
TEST_P(PDFiumEngineTest, IncrementalLoadingFeatureEnabled) {
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitAndEnableFeature(features::kPdfIncrementalLoading);
EXPECT_TRUE(TryLoadIncrementally());
}
TEST_P(PDFiumEngineTest, IncrementalLoadingFeatureDisabled) {
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitAndDisableFeature(features::kPdfIncrementalLoading);
EXPECT_FALSE(TryLoadIncrementally());
}
TEST_P(PDFiumEngineTest, RequestThumbnail) {
TestClient client;
std::unique_ptr<PDFiumEngine> engine = InitializeEngine(
&client, FILE_PATH_LITERAL("rectangles_multi_pages.pdf"));
ASSERT_TRUE(engine);
const int num_pages = engine->GetNumberOfPages();
ASSERT_EQ(5, num_pages);
ASSERT_EQ(num_pages, CountAvailablePages(*engine));
// Each page should immediately return a thumbnail.
for (int i = 0; i < num_pages; ++i) {
base::MockCallback<SendThumbnailCallback> send_callback;
EXPECT_CALL(send_callback, Run);
engine->RequestThumbnail(/*page_index=*/i, /*device_pixel_ratio=*/1,
send_callback.Get());
}
}
TEST_P(PDFiumEngineTest, RequestThumbnailLinearized) {
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitAndEnableFeature(features::kPdfIncrementalLoading);
NiceMock<MockTestClient> client;
InitializeEngineResult initialize_result = InitializeEngineWithoutLoading(
&client, FILE_PATH_LITERAL("linearized.pdf"));
ASSERT_TRUE(initialize_result.engine);
PDFiumEngine& engine = *initialize_result.engine;
// Load only some pages.
initialize_result.document_loader->SimulateLoadData(8192);
// Note: Plugin size chosen so all pages of the document are visible. The
// engine only updates availability incrementally for visible pages.
engine.PluginSizeUpdated({1024, 4096});
const int num_pages = engine.GetNumberOfPages();
ASSERT_EQ(3, num_pages);
const int available_pages = CountAvailablePages(engine);
ASSERT_LT(0, available_pages);
ASSERT_GT(num_pages, available_pages);
// Initialize callbacks for first and last pages.
base::MockCallback<SendThumbnailCallback> first_loaded;
base::MockCallback<SendThumbnailCallback> last_loaded;
// When the document is partially loaded, `SendThumbnailCallback` is only run
// for the loaded page even though `RequestThumbnail()` gets called for both
// pages.
EXPECT_CALL(first_loaded, Run);
engine.RequestThumbnail(/*page_index=*/0, /*device_pixel_ratio=*/1,
first_loaded.Get());
engine.RequestThumbnail(/*page_index=*/num_pages - 1,
/*device_pixel_ratio=*/1, last_loaded.Get());
// Finish loading the document. `SendThumbnailCallback` should be run for the
// last page.
EXPECT_CALL(last_loaded, Run);
initialize_result.FinishLoading();
}
TEST_P(PDFiumEngineTest, HandleInputEventKeyDown) {
NiceMock<MockTestClient> client;
std::unique_ptr<PDFiumEngine> engine =
InitializeEngine(&client, FILE_PATH_LITERAL("hello_world2.pdf"));
ASSERT_TRUE(engine);
EXPECT_CALL(client, DocumentFocusChanged(true));
blink::WebKeyboardEvent key_down_event(
blink::WebInputEvent::Type::kKeyDown, blink::WebInputEvent::kNoModifiers,
blink::WebInputEvent::GetStaticTimeStampForTests());
key_down_event.windows_key_code = ui::VKEY_TAB;
EXPECT_TRUE(engine->HandleInputEvent(key_down_event));
}
TEST_P(PDFiumEngineTest, HandleInputEventRawKeyDown) {
NiceMock<MockTestClient> client;
std::unique_ptr<PDFiumEngine> engine =
InitializeEngine(&client, FILE_PATH_LITERAL("hello_world2.pdf"));
ASSERT_TRUE(engine);
EXPECT_CALL(client, DocumentFocusChanged(true));
blink::WebKeyboardEvent raw_key_down_event(
blink::WebInputEvent::Type::kRawKeyDown,
blink::WebInputEvent::kNoModifiers,
blink::WebInputEvent::GetStaticTimeStampForTests());
raw_key_down_event.windows_key_code = ui::VKEY_TAB;
EXPECT_TRUE(engine->HandleInputEvent(raw_key_down_event));
}
namespace {
#if BUILDFLAG(IS_WIN)
constexpr char kSelectTextExpectedText[] =
"Hello, world!\r\nGoodbye, world!\r\nHello, world!\r\nGoodbye, world!";
#else
constexpr char kSelectTextExpectedText[] =
"Hello, world!\nGoodbye, world!\nHello, world!\nGoodbye, world!";
#endif
} // namespace
TEST_P(PDFiumEngineTest, SelectText) {
NiceMock<MockTestClient> client;
std::unique_ptr<PDFiumEngine> engine =
InitializeEngine(&client, FILE_PATH_LITERAL("hello_world2.pdf"));
ASSERT_TRUE(engine);
EXPECT_TRUE(engine->HasPermission(DocumentPermission::kCopy));
EXPECT_THAT(engine->GetSelectedText(), IsEmpty());
engine->SelectAll();
EXPECT_EQ(kSelectTextExpectedText, engine->GetSelectedText());
}
TEST_P(PDFiumEngineTest, SelectTextBackwards) {
NiceMock<MockTestClient> client;
std::unique_ptr<PDFiumEngine> engine =
InitializeEngine(&client, FILE_PATH_LITERAL("hello_world2.pdf"));
ASSERT_TRUE(engine);
// Plugin size chosen so all pages of the document are visible.
engine->PluginSizeUpdated({1024, 4096});
EXPECT_THAT(engine->GetSelectedText(), IsEmpty());
constexpr gfx::PointF kSecondPageBeginPosition(100, 420);
constexpr gfx::PointF kFirstPageEndPosition(100, 120);
EXPECT_TRUE(engine->HandleInputEvent(
CreateLeftClickWebMouseEventAtPosition(kSecondPageBeginPosition)));
EXPECT_TRUE(engine->HandleInputEvent(
CreateMoveWebMouseEventToPosition(kFirstPageEndPosition)));
#if BUILDFLAG(IS_WIN)
constexpr char kExpectedText[] = "bye, world!\r\nHello, world!\r\nGoodby";
#else
constexpr char kExpectedText[] = "bye, world!\nHello, world!\nGoodby";
#endif
EXPECT_EQ(kExpectedText, engine->GetSelectedText());
}
TEST_P(PDFiumEngineTest, SelectTextWithCopyRestriction) {
NiceMock<MockTestClient> client;
std::unique_ptr<PDFiumEngine> engine = InitializeEngine(
&client, FILE_PATH_LITERAL("hello_world2_with_copy_restriction.pdf"));
ASSERT_TRUE(engine);
EXPECT_FALSE(engine->HasPermission(DocumentPermission::kCopy));
// The copy restriction should not affect the text selection hehavior.
EXPECT_THAT(engine->GetSelectedText(), IsEmpty());
engine->SelectAll();
EXPECT_EQ(kSelectTextExpectedText, engine->GetSelectedText());
}
TEST_P(PDFiumEngineTest, SelectCroppedText) {
NiceMock<MockTestClient> client;
std::unique_ptr<PDFiumEngine> engine =
InitializeEngine(&client, FILE_PATH_LITERAL("hello_world_cropped.pdf"));
ASSERT_TRUE(engine);
EXPECT_THAT(engine->GetSelectedText(), IsEmpty());
engine->SelectAll();
#if BUILDFLAG(IS_WIN)
constexpr char kExpectedText[] = "world!\r\n";
#else
constexpr char kExpectedText[] = "world!\n";
#endif
EXPECT_EQ(kExpectedText, engine->GetSelectedText());
}
TEST_P(PDFiumEngineTest, SelectTextWithDoubleClick) {
NiceMock<MockTestClient> client;
std::unique_ptr<PDFiumEngine> engine =
InitializeEngine(&client, FILE_PATH_LITERAL("hello_world2.pdf"));
ASSERT_TRUE(engine);
// Plugin size chosen so all pages of the document are visible.
engine->PluginSizeUpdated({1024, 4096});
EXPECT_THAT(engine->GetSelectedText(), IsEmpty());
constexpr gfx::PointF kPosition(100, 120);
EXPECT_TRUE(engine->HandleInputEvent(
CreateLeftClickWebMouseEventAtPositionWithClickCount(kPosition, 2)));
EXPECT_EQ("Goodbye", engine->GetSelectedText());
}
TEST_P(PDFiumEngineTest, SelectTextWithTripleClick) {
NiceMock<MockTestClient> client;
std::unique_ptr<PDFiumEngine> engine =
InitializeEngine(&client, FILE_PATH_LITERAL("hello_world2.pdf"));
ASSERT_TRUE(engine);
// Plugin size chosen so all pages of the document are visible.
engine->PluginSizeUpdated({1024, 4096});
EXPECT_THAT(engine->GetSelectedText(), IsEmpty());
constexpr gfx::PointF kPosition(100, 120);
EXPECT_TRUE(engine->HandleInputEvent(
CreateLeftClickWebMouseEventAtPositionWithClickCount(kPosition, 3)));
EXPECT_EQ("Goodbye, world!", engine->GetSelectedText());
}
TEST_P(PDFiumEngineTest, SelectLinkAreaWithNoText) {
NiceMock<MockTestClient> client;
std::unique_ptr<PDFiumEngine> engine =
InitializeEngine(&client, FILE_PATH_LITERAL("link_annots.pdf"));
ASSERT_TRUE(engine);
// Plugin size chosen so all pages of the document are visible.
engine->PluginSizeUpdated({1024, 4096});
EXPECT_THAT(engine->GetSelectedText(), IsEmpty());
constexpr gfx::PointF kStartPosition(90, 120);
EXPECT_TRUE(engine->HandleInputEvent(
CreateLeftClickWebMouseEventAtPosition(kStartPosition)));
constexpr gfx::PointF kMiddlePosition(100, 230);
EXPECT_TRUE(engine->HandleInputEvent(
CreateMoveWebMouseEventToPosition(kMiddlePosition)));
#if BUILDFLAG(IS_WIN)
constexpr char kExpectedText[] = "Link Annotations - Page 1\r\nL";
#else
constexpr char kExpectedText[] = "Link Annotations - Page 1\nL";
#endif
EXPECT_EQ(kExpectedText, engine->GetSelectedText());
constexpr gfx::PointF kEndPosition(430, 230);
EXPECT_FALSE(engine->HandleInputEvent(
CreateMoveWebMouseEventToPosition(kEndPosition)));
// This is still `kExpectedText` because of the unit test's uncanny ability to
// move the mouse to `kEndPosition` in one move.
EXPECT_EQ(kExpectedText, engine->GetSelectedText());
}
TEST_P(PDFiumEngineTest, LinkNavigates) {
NiceMock<MockTestClient> client;
std::unique_ptr<PDFiumEngine> engine =
InitializeEngine(&client, FILE_PATH_LITERAL("link_annots.pdf"));
ASSERT_TRUE(engine);
// Plugin size chosen so all pages of the document are visible.
engine->PluginSizeUpdated({1024, 4096});
EXPECT_CALL(client, NavigateTo("", WindowOpenDisposition::CURRENT_TAB));
constexpr gfx::PointF kMiddlePosition(100, 230);
EXPECT_TRUE(engine->HandleInputEvent(
CreateLeftClickWebMouseEventAtPosition(kMiddlePosition)));
EXPECT_TRUE(engine->HandleInputEvent(
CreateLeftClickWebMouseUpEventAtPosition(kMiddlePosition)));
}
// Test case for crbug.com/699000
TEST_P(PDFiumEngineTest, LinkDisabledInPrintPreview) {
NiceMock<MockTestClient> client;
std::unique_ptr<PDFiumEngine> engine =
InitializeEngine(&client, FILE_PATH_LITERAL("link_annots.pdf"));
ASSERT_TRUE(engine);
EXPECT_CALL(client, IsPrintPreview()).WillRepeatedly(Return(true));
// Plugin size chosen so all pages of the document are visible.
engine->PluginSizeUpdated({1024, 4096});
EXPECT_CALL(client, NavigateTo(_, _)).Times(0);
constexpr gfx::PointF kMiddlePosition(100, 230);
EXPECT_TRUE(engine->HandleInputEvent(
CreateLeftClickWebMouseEventAtPosition(kMiddlePosition)));
EXPECT_FALSE(engine->HandleInputEvent(
CreateLeftClickWebMouseUpEventAtPosition(kMiddlePosition)));
}
TEST_P(PDFiumEngineTest, SelectTextWithNonPrintableCharacter) {
NiceMock<MockTestClient> client;
std::unique_ptr<PDFiumEngine> engine =
InitializeEngine(&client, FILE_PATH_LITERAL("bug_1357385.pdf"));
ASSERT_TRUE(engine);
EXPECT_THAT(engine->GetSelectedText(), IsEmpty());
engine->SelectAll();
EXPECT_EQ("Hello, world!", engine->GetSelectedText());
}
INSTANTIATE_TEST_SUITE_P(All, PDFiumEngineTest, testing::Bool());
using PDFiumEngineDeathTest = PDFiumEngineTest;
TEST_P(PDFiumEngineDeathTest, RequestThumbnailRedundant) {
::testing::FLAGS_gtest_death_test_style = "threadsafe";
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitAndEnableFeature(features::kPdfIncrementalLoading);
NiceMock<MockTestClient> client;
InitializeEngineResult initialize_result = InitializeEngineWithoutLoading(
&client, FILE_PATH_LITERAL("linearized.pdf"));
ASSERT_TRUE(initialize_result.engine);
PDFiumEngine& engine = *initialize_result.engine;
// Load only some pages.
initialize_result.document_loader->SimulateLoadData(8192);
// Twice request a thumbnail for the second page, which is not loaded. The
// second call should crash.
base::MockCallback<SendThumbnailCallback> mock_callback;
engine.RequestThumbnail(/*page_index=*/1, /*device_pixel_ratio=*/1,
mock_callback.Get());
EXPECT_DCHECK_DEATH(engine.RequestThumbnail(
/*page_index=*/1, /*device_pixel_ratio=*/1, mock_callback.Get()));
}
INSTANTIATE_TEST_SUITE_P(All, PDFiumEngineDeathTest, testing::Bool());
class PDFiumEngineTabbingTest : public PDFiumTestBase {
public:
PDFiumEngineTabbingTest() = default;
~PDFiumEngineTabbingTest() override = default;
PDFiumEngineTabbingTest(const PDFiumEngineTabbingTest&) = delete;
PDFiumEngineTabbingTest& operator=(const PDFiumEngineTabbingTest&) = delete;
bool HandleTabEvent(PDFiumEngine* engine, int modifiers) {
return engine->HandleTabEvent(modifiers);
}
PDFiumEngine::FocusElementType GetFocusedElementType(PDFiumEngine* engine) {
return engine->focus_element_type_;
}
int GetLastFocusedPage(PDFiumEngine* engine) {
return engine->last_focused_page_;
}
PDFiumEngine::FocusElementType GetLastFocusedElementType(
PDFiumEngine* engine) {
return engine->last_focused_element_type_;
}
int GetLastFocusedAnnotationIndex(PDFiumEngine* engine) {
return engine->last_focused_annot_index_;
}
PDFEngine::FocusFieldType FormFocusFieldType(PDFiumEngine* engine) {
return engine->focus_field_type_;
}
size_t GetSelectionSize(PDFiumEngine* engine) {
return engine->selection_.size();
}
void ScrollFocusedAnnotationIntoView(PDFiumEngine* engine) {
engine->ScrollFocusedAnnotationIntoView();
}
};
TEST_P(PDFiumEngineTabbingTest, LinkUnderCursor) {
/*
* Document structure
* Document