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src/pdf/document_loader_impl_unittest.cc
K. Moon 8d9054c8b9 Make PDF partial loading disabled the default 
The experiment to disable PDF partial loading was successful, so we're
making it the default now.

The PdfPartialLoading and PdfIncrementalLoading features will be kept
for now for tests that rely on these features (often to test mostly
unrelated behaviors).

Fixed: 1115149
Change-Id: Iea45106f919d1fa608fcf6cfc28e432c88d4d75b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2505972
Commit-Queue: Jesse Doherty <jwd@chromium.org>
Reviewed-by: Jesse Doherty <jwd@chromium.org>
Reviewed-by: Daniel Hosseinian <dhoss@chromium.org>
Auto-Submit: K. Moon <kmoon@chromium.org>
Cr-Commit-Position: refs/heads/master@{#823998}
2020-11-04 15:59:56 +00:00

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// Copyright 2016 The Chromium 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 "pdf/document_loader_impl.h"
#include <algorithm>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "base/callback.h"
#include "base/check.h"
#include "base/test/scoped_feature_list.h"
#include "pdf/pdf_features.h"
#include "pdf/ppapi_migration/callback.h"
#include "pdf/url_loader_wrapper.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/range/range.h"
using ::testing::_;
using ::testing::Mock;
using ::testing::NiceMock;
using ::testing::Return;
using ::testing::Sequence;
namespace chrome_pdf {
namespace {
constexpr uint32_t kDefaultRequestSize =
DocumentLoaderImpl::kDefaultRequestSize;
class TestURLLoader : public URLLoaderWrapper {
public:
class LoaderData {
public:
LoaderData() = default;
LoaderData(const LoaderData&) = delete;
LoaderData& operator=(const LoaderData&) = delete;
~LoaderData() {
// We should call callbacks to prevent memory leaks.
// The callbacks don't do anything, because the objects that created the
// callbacks have been destroyed.
if (IsWaitRead())
CallReadCallback(-1);
if (IsWaitOpen())
CallOpenCallback(-1);
}
int content_length() const { return content_length_; }
void set_content_length(int content_length) {
content_length_ = content_length;
}
bool accept_ranges_bytes() const { return accept_ranges_bytes_; }
void set_accept_ranges_bytes(bool accept_ranges_bytes) {
accept_ranges_bytes_ = accept_ranges_bytes;
}
bool content_encoded() const { return content_encoded_; }
void set_content_encoded(bool content_encoded) {
content_encoded_ = content_encoded;
}
const std::string& content_type() const { return content_type_; }
void set_content_type(const std::string& content_type) {
content_type_ = content_type;
}
const std::string& content_disposition() const {
return content_disposition_;
}
void set_content_disposition(const std::string& content_disposition) {
content_disposition_ = content_disposition;
}
const std::string& multipart_boundary() const {
return multipart_boundary_;
}
void set_multipart_boundary(const std::string& multipart_boundary) {
multipart_boundary_ = multipart_boundary;
}
const gfx::Range& byte_range() const { return byte_range_; }
void set_byte_range(const gfx::Range& byte_range) {
byte_range_ = byte_range;
}
bool is_multipart() const { return is_multipart_; }
void set_is_multipart(bool is_multipart) { is_multipart_ = is_multipart; }
int status_code() const { return status_code_; }
void set_status_code(int status_code) { status_code_ = status_code; }
bool closed() const { return closed_; }
void set_closed(bool closed) { closed_ = closed; }
const gfx::Range& open_byte_range() const { return open_byte_range_; }
void set_open_byte_range(const gfx::Range& open_byte_range) {
open_byte_range_ = open_byte_range;
}
bool IsWaitRead() const { return !did_read_callback_.is_null(); }
bool IsWaitOpen() const { return !did_open_callback_.is_null(); }
char* buffer() const { return buffer_; }
int buffer_size() const { return buffer_size_; }
void SetReadCallback(ResultCallback read_callback,
char* buffer,
int buffer_size) {
did_read_callback_ = std::move(read_callback);
buffer_ = buffer;
buffer_size_ = buffer_size;
}
void SetOpenCallback(ResultCallback open_callback,
gfx::Range req_byte_range) {
did_open_callback_ = std::move(open_callback);
set_open_byte_range(req_byte_range);
}
void CallOpenCallback(int result) {
DCHECK(IsWaitOpen());
std::move(did_open_callback_).Run(result);
}
void CallReadCallback(int result) {
DCHECK(IsWaitRead());
std::move(did_read_callback_).Run(result);
}
private:
ResultCallback did_open_callback_;
ResultCallback did_read_callback_;
char* buffer_ = nullptr;
int buffer_size_ = 0;
int content_length_ = -1;
bool accept_ranges_bytes_ = false;
bool content_encoded_ = false;
std::string content_type_;
std::string content_disposition_;
std::string multipart_boundary_;
gfx::Range byte_range_ = gfx::Range::InvalidRange();
bool is_multipart_ = false;
int status_code_ = 0;
bool closed_ = true;
gfx::Range open_byte_range_ = gfx::Range::InvalidRange();
};
explicit TestURLLoader(LoaderData* data) : data_(data) {
data_->set_closed(false);
}
TestURLLoader(const TestURLLoader&) = delete;
TestURLLoader& operator=(const TestURLLoader&) = delete;
~TestURLLoader() override { Close(); }
int GetContentLength() const override { return data_->content_length(); }
bool IsAcceptRangesBytes() const override {
return data_->accept_ranges_bytes();
}
bool IsContentEncoded() const override { return data_->content_encoded(); }
std::string GetContentType() const override { return data_->content_type(); }
std::string GetContentDisposition() const override {
return data_->content_disposition();
}
int GetStatusCode() const override { return data_->status_code(); }
bool IsMultipart() const override { return data_->is_multipart(); }
bool GetByteRangeStart(int* start) const override {
*start = data_->byte_range().start();
return data_->byte_range().IsValid();
}
void Close() override { data_->set_closed(true); }
void OpenRange(const std::string& url,
const std::string& referrer_url,
uint32_t position,
uint32_t size,
ResultCallback callback) override {
data_->SetOpenCallback(std::move(callback),
gfx::Range(position, position + size));
}
void ReadResponseBody(char* buffer,
int buffer_size,
ResultCallback callback) override {
data_->SetReadCallback(std::move(callback), buffer, buffer_size);
}
private:
LoaderData* data_;
};
class TestClient : public DocumentLoader::Client {
public:
TestClient() { full_page_loader_data()->set_content_type("application/pdf"); }
TestClient(const TestClient&) = delete;
TestClient& operator=(const TestClient&) = delete;
~TestClient() override = default;
// DocumentLoader::Client overrides:
pp::Instance* GetPluginInstance() override { return nullptr; }
std::unique_ptr<URLLoaderWrapper> CreateURLLoader() override {
return std::unique_ptr<URLLoaderWrapper>(
new TestURLLoader(partial_loader_data()));
}
void OnPendingRequestComplete() override {}
void OnNewDataReceived() override {}
void OnDocumentComplete() override {}
void OnDocumentCanceled() override {}
std::unique_ptr<URLLoaderWrapper> CreateFullPageLoader() {
return std::unique_ptr<URLLoaderWrapper>(
new TestURLLoader(full_page_loader_data()));
}
TestURLLoader::LoaderData* full_page_loader_data() {
return &full_page_loader_data_;
}
TestURLLoader::LoaderData* partial_loader_data() {
return &partial_loader_data_;
}
void SetCanUsePartialLoading() {
full_page_loader_data()->set_content_length(10 * 1024 * 1024);
full_page_loader_data()->set_content_encoded(false);
full_page_loader_data()->set_accept_ranges_bytes(true);
}
void SendAllPartialData() {
partial_loader_data_.set_byte_range(partial_loader_data_.open_byte_range());
partial_loader_data_.CallOpenCallback(0);
uint32_t length = partial_loader_data_.byte_range().length();
while (length > 0) {
constexpr uint32_t max_part_len = kDefaultRequestSize;
const uint32_t part_len = std::min(length, max_part_len);
partial_loader_data_.CallReadCallback(part_len);
length -= part_len;
}
if (partial_loader_data_.IsWaitRead()) {
partial_loader_data_.CallReadCallback(0);
}
}
private:
TestURLLoader::LoaderData full_page_loader_data_;
TestURLLoader::LoaderData partial_loader_data_;
};
class MockClient : public TestClient {
public:
MockClient() = default;
MockClient(const MockClient&) = delete;
MockClient& operator=(const MockClient&) = delete;
MOCK_METHOD(void, OnPendingRequestComplete, (), (override));
MOCK_METHOD(void, OnNewDataReceived, (), (override));
MOCK_METHOD(void, OnDocumentComplete, (), (override));
MOCK_METHOD(void, OnDocumentCanceled, (), (override));
};
} // namespace
class DocumentLoaderImplTest : public testing::Test {
protected:
DocumentLoaderImplTest() {
scoped_feature_list_.InitAndEnableFeature(features::kPdfPartialLoading);
}
base::test::ScopedFeatureList scoped_feature_list_;
};
TEST_F(DocumentLoaderImplTest, PartialLoadingFeatureDefault) {
scoped_feature_list_.Reset();
scoped_feature_list_.Init();
// Test that partial loading is disabled when feature is defaulted.
TestClient client;
client.SetCanUsePartialLoading();
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(1000000, 1);
EXPECT_FALSE(loader.is_partial_loader_active());
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_FALSE(loader.is_partial_loader_active());
}
TEST_F(DocumentLoaderImplTest, PartialLoadingFeatureDisabled) {
scoped_feature_list_.Reset();
scoped_feature_list_.InitAndDisableFeature(features::kPdfPartialLoading);
// Test that partial loading is disabled when feature is disabled.
TestClient client;
client.SetCanUsePartialLoading();
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(1000000, 1);
EXPECT_FALSE(loader.is_partial_loader_active());
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_FALSE(loader.is_partial_loader_active());
}
TEST_F(DocumentLoaderImplTest, PartialLoadingEnabled) {
// Test that partial loading is enabled. (Fixture enables PdfPartialLoading.)
TestClient client;
client.SetCanUsePartialLoading();
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(1000000, 1);
EXPECT_FALSE(loader.is_partial_loader_active());
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(loader.is_partial_loader_active());
}
TEST_F(DocumentLoaderImplTest, PartialLoadingDisabledOnSmallFiles) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 2);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(1000000, 1);
EXPECT_FALSE(loader.is_partial_loader_active());
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_FALSE(loader.is_partial_loader_active());
}
TEST_F(DocumentLoaderImplTest, PartialLoadingDisabledIfContentEncoded) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_encoded(true);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(1000000, 1);
EXPECT_FALSE(loader.is_partial_loader_active());
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_FALSE(loader.is_partial_loader_active());
}
TEST_F(DocumentLoaderImplTest, PartialLoadingDisabledNoAcceptRangeBytes) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_accept_ranges_bytes(false);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(1000000, 1);
EXPECT_FALSE(loader.is_partial_loader_active());
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_FALSE(loader.is_partial_loader_active());
}
TEST_F(DocumentLoaderImplTest, PartialLoadingReallyDisabledRequestFromBegin) {
TestClient client;
DocumentLoaderImpl loader(&client);
client.SetCanUsePartialLoading();
loader.SetPartialLoadingEnabled(false);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
// We should not start partial loading if requested data is beside full page
// loading position.
loader.RequestData(kDefaultRequestSize, 1);
EXPECT_FALSE(loader.is_partial_loader_active());
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_FALSE(loader.is_partial_loader_active());
}
TEST_F(DocumentLoaderImplTest, PartialLoadingReallyDisabledRequestFromMiddle) {
TestClient client;
client.SetCanUsePartialLoading();
DocumentLoaderImpl loader(&client);
loader.SetPartialLoadingEnabled(false);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(1000000, 1);
EXPECT_FALSE(loader.is_partial_loader_active());
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_FALSE(loader.is_partial_loader_active());
}
TEST_F(DocumentLoaderImplTest, PartialLoadingSimple) {
TestClient client;
client.SetCanUsePartialLoading();
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
// While we have no requests, we should not start partial loading.
EXPECT_FALSE(loader.is_partial_loader_active());
loader.RequestData(5000000, 1);
EXPECT_FALSE(client.partial_loader_data()->IsWaitOpen());
EXPECT_FALSE(loader.is_partial_loader_active());
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
// Partial loader should request headers.
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
EXPECT_TRUE(loader.is_partial_loader_active());
// Loader should be stopped.
EXPECT_TRUE(client.full_page_loader_data()->closed());
EXPECT_EQ("{4980736,10485760}",
client.partial_loader_data()->open_byte_range().ToString());
}
TEST_F(DocumentLoaderImplTest, PartialLoadingBackOrder) {
TestClient client;
client.SetCanUsePartialLoading();
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
// While we have no requests, we should not start partial loading.
EXPECT_FALSE(loader.is_partial_loader_active());
loader.RequestData(client.full_page_loader_data()->content_length() - 1, 1);
EXPECT_FALSE(client.partial_loader_data()->IsWaitOpen());
EXPECT_FALSE(loader.is_partial_loader_active());
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
// Partial loader should request headers.
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
EXPECT_TRUE(loader.is_partial_loader_active());
// Loader should be stopped.
EXPECT_TRUE(client.full_page_loader_data()->closed());
// Requested range should be enlarged.
EXPECT_GT(client.partial_loader_data()->open_byte_range().length(), 1u);
EXPECT_EQ("{9830400,10485760}",
client.partial_loader_data()->open_byte_range().ToString());
}
TEST_F(DocumentLoaderImplTest, CompleteWithoutPartial) {
TestClient client;
client.SetCanUsePartialLoading();
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
EXPECT_FALSE(client.full_page_loader_data()->closed());
while (client.full_page_loader_data()->IsWaitRead()) {
client.full_page_loader_data()->CallReadCallback(1000);
}
EXPECT_TRUE(loader.IsDocumentComplete());
EXPECT_TRUE(client.full_page_loader_data()->closed());
}
TEST_F(DocumentLoaderImplTest, ErrorDownloadFullDocument) {
TestClient client;
client.SetCanUsePartialLoading();
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
EXPECT_TRUE(client.full_page_loader_data()->IsWaitRead());
EXPECT_FALSE(client.full_page_loader_data()->closed());
client.full_page_loader_data()->CallReadCallback(-3);
EXPECT_TRUE(client.full_page_loader_data()->closed());
EXPECT_FALSE(loader.IsDocumentComplete());
}
TEST_F(DocumentLoaderImplTest, CompleteNoContentLength) {
TestClient client;
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
EXPECT_FALSE(client.full_page_loader_data()->closed());
for (int i = 0; i < 10; ++i) {
EXPECT_TRUE(client.full_page_loader_data()->IsWaitRead());
client.full_page_loader_data()->CallReadCallback(1000);
}
EXPECT_TRUE(client.full_page_loader_data()->IsWaitRead());
client.full_page_loader_data()->CallReadCallback(0);
EXPECT_EQ(10000ul, loader.GetDocumentSize());
EXPECT_TRUE(loader.IsDocumentComplete());
EXPECT_TRUE(client.full_page_loader_data()->closed());
}
TEST_F(DocumentLoaderImplTest, CompleteWithPartial) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(19 * kDefaultRequestSize, kDefaultRequestSize);
EXPECT_FALSE(client.full_page_loader_data()->closed());
EXPECT_FALSE(client.partial_loader_data()->IsWaitRead());
EXPECT_FALSE(client.partial_loader_data()->IsWaitOpen());
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(client.full_page_loader_data()->closed());
EXPECT_FALSE(client.partial_loader_data()->closed());
client.SendAllPartialData();
// Now we should send other document data.
client.SendAllPartialData();
EXPECT_TRUE(client.full_page_loader_data()->closed());
EXPECT_TRUE(client.partial_loader_data()->closed());
}
TEST_F(DocumentLoaderImplTest, PartialRequestLastChunk) {
constexpr uint32_t kLastChunkSize = 300;
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20 +
kLastChunkSize);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(20 * kDefaultRequestSize, 1);
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
EXPECT_EQ(
static_cast<int>(client.partial_loader_data()->open_byte_range().end()),
client.full_page_loader_data()->content_length());
client.partial_loader_data()->set_byte_range(
client.partial_loader_data()->open_byte_range());
client.partial_loader_data()->CallOpenCallback(0);
uint32_t data_length = client.partial_loader_data()->byte_range().length();
while (data_length > kDefaultRequestSize) {
client.partial_loader_data()->CallReadCallback(kDefaultRequestSize);
data_length -= kDefaultRequestSize;
}
EXPECT_EQ(kLastChunkSize, data_length);
client.partial_loader_data()->CallReadCallback(kLastChunkSize);
EXPECT_TRUE(loader.IsDataAvailable(kDefaultRequestSize * 20, kLastChunkSize));
}
TEST_F(DocumentLoaderImplTest, DocumentSize) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(123456789);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
EXPECT_EQ(static_cast<int>(loader.GetDocumentSize()),
client.full_page_loader_data()->content_length());
}
TEST_F(DocumentLoaderImplTest, DocumentSizeNoContentLength) {
TestClient client;
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
EXPECT_EQ(0ul, loader.GetDocumentSize());
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
client.full_page_loader_data()->CallReadCallback(1000);
client.full_page_loader_data()->CallReadCallback(500);
client.full_page_loader_data()->CallReadCallback(0);
EXPECT_EQ(kDefaultRequestSize + 1000ul + 500ul, loader.GetDocumentSize());
EXPECT_TRUE(loader.IsDocumentComplete());
}
TEST_F(DocumentLoaderImplTest, ClearPendingRequests) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 100 +
58383);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(17 * kDefaultRequestSize + 100, 10);
loader.ClearPendingRequests();
loader.RequestData(15 * kDefaultRequestSize + 200, 20);
// pending requests are accumulating, and will be processed after initial data
// load.
EXPECT_FALSE(client.partial_loader_data()->IsWaitOpen());
// Send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
{
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
constexpr gfx::Range range_requested(15 * kDefaultRequestSize,
16 * kDefaultRequestSize);
EXPECT_EQ(range_requested.start(),
client.partial_loader_data()->open_byte_range().start());
EXPECT_LE(range_requested.end(),
client.partial_loader_data()->open_byte_range().end());
client.partial_loader_data()->set_byte_range(
client.partial_loader_data()->open_byte_range());
}
// clear requests before Open callback.
loader.ClearPendingRequests();
// Current request should continue loading.
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
client.partial_loader_data()->CallOpenCallback(0);
client.partial_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_FALSE(client.partial_loader_data()->closed());
// Current request should continue loading, because no other request queued.
loader.RequestData(18 * kDefaultRequestSize + 200, 20);
// Requests queue is processed only on receiving data.
client.partial_loader_data()->CallReadCallback(kDefaultRequestSize);
// New request within close distance from the one currently loading. Loading
// isn't restarted.
EXPECT_FALSE(client.partial_loader_data()->IsWaitOpen());
loader.ClearPendingRequests();
// request again two.
loader.RequestData(60 * kDefaultRequestSize + 100, 10);
loader.RequestData(35 * kDefaultRequestSize + 200, 20);
// Requests queue is processed only on receiving data.
client.partial_loader_data()->CallReadCallback(kDefaultRequestSize);
{
// new requset not with in close distance from current loading.
// Loading should be restarted.
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
// The first requested chunk should be processed.
constexpr gfx::Range range_requested(35 * kDefaultRequestSize,
36 * kDefaultRequestSize);
EXPECT_EQ(range_requested.start(),
client.partial_loader_data()->open_byte_range().start());
EXPECT_LE(range_requested.end(),
client.partial_loader_data()->open_byte_range().end());
client.partial_loader_data()->set_byte_range(
client.partial_loader_data()->open_byte_range());
}
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
client.partial_loader_data()->CallOpenCallback(0);
// Override pending requests.
loader.ClearPendingRequests();
loader.RequestData(70 * kDefaultRequestSize + 100, 10);
// Requests queue is processed only on receiving data.
client.partial_loader_data()->CallReadCallback(kDefaultRequestSize);
{
// New requset not with in close distance from current loading.
// Loading should be restarted .
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
// The first requested chunk should be processed.
constexpr gfx::Range range_requested(70 * kDefaultRequestSize,
71 * kDefaultRequestSize);
EXPECT_EQ(range_requested.start(),
client.partial_loader_data()->open_byte_range().start());
EXPECT_LE(range_requested.end(),
client.partial_loader_data()->open_byte_range().end());
client.partial_loader_data()->set_byte_range(
client.partial_loader_data()->open_byte_range());
}
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
}
TEST_F(DocumentLoaderImplTest, GetBlock) {
std::vector<char> buffer(kDefaultRequestSize);
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20 +
58383);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
EXPECT_FALSE(loader.GetBlock(0, 1000, buffer.data()));
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(loader.GetBlock(0, 1000, buffer.data()));
EXPECT_FALSE(loader.GetBlock(kDefaultRequestSize, 1500, buffer.data()));
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(loader.GetBlock(kDefaultRequestSize, 1500, buffer.data()));
EXPECT_FALSE(loader.GetBlock(17 * kDefaultRequestSize, 3000, buffer.data()));
loader.RequestData(17 * kDefaultRequestSize + 100, 10);
EXPECT_FALSE(loader.GetBlock(17 * kDefaultRequestSize, 3000, buffer.data()));
// Requests queue is processed only on receiving data.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
client.SendAllPartialData();
EXPECT_TRUE(loader.GetBlock(17 * kDefaultRequestSize, 3000, buffer.data()));
}
TEST_F(DocumentLoaderImplTest, IsDataAvailable) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20 +
58383);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
EXPECT_FALSE(loader.IsDataAvailable(0, 1000));
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(loader.IsDataAvailable(0, 1000));
EXPECT_FALSE(loader.IsDataAvailable(kDefaultRequestSize, 1500));
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(loader.IsDataAvailable(kDefaultRequestSize, 1500));
EXPECT_FALSE(loader.IsDataAvailable(17 * kDefaultRequestSize, 3000));
loader.RequestData(17 * kDefaultRequestSize + 100, 10);
EXPECT_FALSE(loader.IsDataAvailable(17 * kDefaultRequestSize, 3000));
// Requests queue is processed only on receiving data.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
client.SendAllPartialData();
EXPECT_TRUE(loader.IsDataAvailable(17 * kDefaultRequestSize, 3000));
}
TEST_F(DocumentLoaderImplTest, RequestData) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 100 +
58383);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(37 * kDefaultRequestSize + 200, 10);
loader.RequestData(25 * kDefaultRequestSize + 600, 100);
loader.RequestData(13 * kDefaultRequestSize + 900, 500);
// Send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
{
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
constexpr gfx::Range range_requested(13 * kDefaultRequestSize,
14 * kDefaultRequestSize);
EXPECT_EQ(range_requested.start(),
client.partial_loader_data()->open_byte_range().start());
EXPECT_LE(range_requested.end(),
client.partial_loader_data()->open_byte_range().end());
client.partial_loader_data()->set_byte_range(
client.partial_loader_data()->open_byte_range());
}
client.partial_loader_data()->CallOpenCallback(0);
// Override pending requests.
loader.ClearPendingRequests();
loader.RequestData(38 * kDefaultRequestSize + 200, 10);
loader.RequestData(26 * kDefaultRequestSize + 600, 100);
// Requests queue is processed only on receiving data.
client.partial_loader_data()->CallReadCallback(kDefaultRequestSize);
{
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
constexpr gfx::Range range_requested(26 * kDefaultRequestSize,
27 * kDefaultRequestSize);
EXPECT_EQ(range_requested.start(),
client.partial_loader_data()->open_byte_range().start());
EXPECT_LE(range_requested.end(),
client.partial_loader_data()->open_byte_range().end());
client.partial_loader_data()->set_byte_range(
client.partial_loader_data()->open_byte_range());
}
client.partial_loader_data()->CallOpenCallback(0);
// Override pending requests.
loader.ClearPendingRequests();
loader.RequestData(39 * kDefaultRequestSize + 200, 10);
// Requests queue is processed only on receiving data.
client.partial_loader_data()->CallReadCallback(kDefaultRequestSize);
{
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
constexpr gfx::Range range_requested(39 * kDefaultRequestSize,
40 * kDefaultRequestSize);
EXPECT_EQ(range_requested.start(),
client.partial_loader_data()->open_byte_range().start());
EXPECT_LE(range_requested.end(),
client.partial_loader_data()->open_byte_range().end());
client.partial_loader_data()->set_byte_range(
client.partial_loader_data()->open_byte_range());
}
// Fill all gaps.
while (!loader.IsDocumentComplete()) {
client.SendAllPartialData();
}
EXPECT_TRUE(client.partial_loader_data()->closed());
}
TEST_F(DocumentLoaderImplTest, DoNotLoadAvailablePartialData) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20 +
58383);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
// Send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
// Send more data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
loader.RequestData(2 * kDefaultRequestSize + 200, 10);
// Send more data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
// Partial loading should not have started for already available data.
EXPECT_TRUE(client.partial_loader_data()->closed());
}
TEST_F(DocumentLoaderImplTest, DoNotLoadDataAfterComplete) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
for (int i = 0; i < 20; ++i) {
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
}
EXPECT_TRUE(loader.IsDocumentComplete());
loader.RequestData(17 * kDefaultRequestSize + 200, 10);
EXPECT_TRUE(client.partial_loader_data()->closed());
EXPECT_TRUE(client.full_page_loader_data()->closed());
}
TEST_F(DocumentLoaderImplTest, DoNotLoadPartialDataAboveDocumentSize) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(20 * kDefaultRequestSize + 200, 10);
// Send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(client.partial_loader_data()->closed());
}
TEST_F(DocumentLoaderImplTest, MergePendingRequests) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 50 +
58383);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(17 * kDefaultRequestSize + 200, 10);
loader.RequestData(16 * kDefaultRequestSize + 600, 100);
// Send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
constexpr gfx::Range range_requested(16 * kDefaultRequestSize,
18 * kDefaultRequestSize);
EXPECT_EQ(range_requested.start(),
client.partial_loader_data()->open_byte_range().start());
EXPECT_LE(range_requested.end(),
client.partial_loader_data()->open_byte_range().end());
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
// Fill all gaps.
while (!loader.IsDocumentComplete()) {
client.SendAllPartialData();
}
EXPECT_TRUE(client.partial_loader_data()->closed());
}
TEST_F(DocumentLoaderImplTest, PartialStopOnStatusCodeError) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(17 * kDefaultRequestSize + 200, 10);
// Send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
client.partial_loader_data()->set_status_code(404);
client.partial_loader_data()->CallOpenCallback(0);
EXPECT_TRUE(client.partial_loader_data()->closed());
}
TEST_F(DocumentLoaderImplTest,
PartialAsFullDocumentLoadingRangeRequestNoRangeField) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(17 * kDefaultRequestSize + 200, 10);
// Send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
client.partial_loader_data()->set_byte_range(gfx::Range::InvalidRange());
client.partial_loader_data()->CallOpenCallback(0);
EXPECT_FALSE(client.partial_loader_data()->closed());
// Partial loader is used to load the whole page, like full page loader.
EXPECT_FALSE(loader.is_partial_loader_active());
}
TEST_F(DocumentLoaderImplTest, PartialMultiPart) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(17 * kDefaultRequestSize + 200, 10);
// Send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
client.partial_loader_data()->set_is_multipart(true);
client.partial_loader_data()->CallOpenCallback(0);
client.partial_loader_data()->set_byte_range(
gfx::Range(17 * kDefaultRequestSize, 18 * kDefaultRequestSize));
client.partial_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(
loader.IsDataAvailable(17 * kDefaultRequestSize, kDefaultRequestSize));
}
TEST_F(DocumentLoaderImplTest, PartialMultiPartRangeError) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(17 * kDefaultRequestSize + 200, 10);
// Send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
client.partial_loader_data()->set_is_multipart(true);
client.partial_loader_data()->CallOpenCallback(0);
client.partial_loader_data()->set_byte_range(gfx::Range::InvalidRange());
client.partial_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_FALSE(
loader.IsDataAvailable(17 * kDefaultRequestSize, kDefaultRequestSize));
EXPECT_TRUE(client.partial_loader_data()->closed());
}
TEST_F(DocumentLoaderImplTest, PartialConnectionErrorOnOpen) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(17 * kDefaultRequestSize + 200, 10);
// Send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
client.partial_loader_data()->CallOpenCallback(-3);
EXPECT_TRUE(client.partial_loader_data()->closed());
// Partial loading should not restart after any error.
loader.RequestData(18 * kDefaultRequestSize + 200, 10);
EXPECT_FALSE(client.partial_loader_data()->IsWaitOpen());
EXPECT_TRUE(client.partial_loader_data()->closed());
}
TEST_F(DocumentLoaderImplTest, PartialConnectionErrorOnRead) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(17 * kDefaultRequestSize + 200, 10);
// Send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
client.partial_loader_data()->set_byte_range(
gfx::Range(17 * kDefaultRequestSize, 18 * kDefaultRequestSize));
client.partial_loader_data()->CallOpenCallback(0);
EXPECT_TRUE(client.partial_loader_data()->IsWaitRead());
client.partial_loader_data()->CallReadCallback(-3);
EXPECT_TRUE(client.partial_loader_data()->closed());
// Partial loading should not restart after any error.
loader.RequestData(18 * kDefaultRequestSize + 200, 10);
EXPECT_FALSE(client.partial_loader_data()->IsWaitOpen());
EXPECT_TRUE(client.partial_loader_data()->closed());
}
TEST_F(DocumentLoaderImplTest, ClientCompleteCallbacks) {
MockClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
EXPECT_CALL(client, OnDocumentComplete()).Times(0);
for (int i = 0; i < 19; ++i)
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
Mock::VerifyAndClear(&client);
EXPECT_CALL(client, OnDocumentComplete()).Times(1);
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
Mock::VerifyAndClear(&client);
}
TEST_F(DocumentLoaderImplTest, ClientCompleteCallbacksNoContentLength) {
MockClient client;
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
EXPECT_CALL(client, OnDocumentCanceled()).Times(0);
EXPECT_CALL(client, OnDocumentComplete()).Times(0);
for (int i = 0; i < 20; ++i)
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
Mock::VerifyAndClear(&client);
EXPECT_CALL(client, OnDocumentCanceled()).Times(0);
EXPECT_CALL(client, OnDocumentComplete()).Times(1);
client.full_page_loader_data()->CallReadCallback(0);
Mock::VerifyAndClear(&client);
}
TEST_F(DocumentLoaderImplTest, ClientCancelCallback) {
MockClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
EXPECT_CALL(client, OnDocumentCanceled()).Times(0);
EXPECT_CALL(client, OnDocumentComplete()).Times(0);
for (int i = 0; i < 10; ++i)
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
Mock::VerifyAndClear(&client);
EXPECT_CALL(client, OnDocumentComplete()).Times(0);
EXPECT_CALL(client, OnDocumentCanceled()).Times(1);
client.full_page_loader_data()->CallReadCallback(-3);
Mock::VerifyAndClear(&client);
}
TEST_F(DocumentLoaderImplTest, NewDataAvailable) {
MockClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
EXPECT_CALL(client, OnNewDataReceived()).Times(1);
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
Mock::VerifyAndClear(&client);
EXPECT_CALL(client, OnNewDataReceived()).Times(1);
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize - 100);
Mock::VerifyAndClear(&client);
EXPECT_CALL(client, OnNewDataReceived()).Times(1);
client.full_page_loader_data()->CallReadCallback(100);
Mock::VerifyAndClear(&client);
}
TEST_F(DocumentLoaderImplTest, ClientPendingRequestCompleteFullLoader) {
MockClient client;
client.SetCanUsePartialLoading();
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(1000, 4000);
EXPECT_CALL(client, OnPendingRequestComplete()).Times(1);
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
Mock::VerifyAndClear(&client);
}
TEST_F(DocumentLoaderImplTest, ClientPendingRequestCompletePartialLoader) {
MockClient client;
client.SetCanUsePartialLoading();
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
EXPECT_CALL(client, OnPendingRequestComplete()).Times(1);
loader.RequestData(15 * kDefaultRequestSize + 4000, 4000);
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
client.SendAllPartialData();
Mock::VerifyAndClear(&client);
}
TEST_F(DocumentLoaderImplTest,
ClientPendingRequestCompletePartialAndFullLoader) {
MockClient client;
client.SetCanUsePartialLoading();
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
EXPECT_CALL(client, OnPendingRequestComplete()).Times(1);
loader.RequestData(16 * kDefaultRequestSize + 4000, 4000);
loader.RequestData(4 * kDefaultRequestSize + 4000, 4000);
for (int i = 0; i < 5; ++i)
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
Mock::VerifyAndClear(&client);
EXPECT_CALL(client, OnPendingRequestComplete()).Times(1);
client.SendAllPartialData();
Mock::VerifyAndClear(&client);
}
TEST_F(DocumentLoaderImplTest, IgnoreDataMoreThanExpectedWithPartial) {
static constexpr uint32_t kDocSize = kDefaultRequestSize * 80 - 321;
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDocSize);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
// Request data at and.
loader.RequestData(kDocSize - 100, 100);
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(client.full_page_loader_data()->closed());
EXPECT_FALSE(client.partial_loader_data()->closed());
// Request data at middle to continue loading partial, but not all remaining
// data.
loader.RequestData(kDocSize / 2, 100);
// Fill data at the end, the partial loding should be started for second
// requested data after receive data for first request.
client.SendAllPartialData();
ASSERT_TRUE(client.partial_loader_data()->IsWaitOpen());
// Process second request.
const uint32_t expected_length =
client.partial_loader_data()->open_byte_range().length();
// Send data.
client.partial_loader_data()->set_byte_range(
client.partial_loader_data()->open_byte_range());
client.partial_loader_data()->CallOpenCallback(0);
uint32_t length = expected_length;
while (length > 0) {
constexpr uint32_t max_part_len = kDefaultRequestSize;
const uint32_t part_len = std::min(length, max_part_len);
client.partial_loader_data()->CallReadCallback(part_len);
length -= part_len;
}
// The partial loading should be finished for current chunks sequence, if
// expected range was received, and remaining sequence should start loading.
EXPECT_FALSE(client.partial_loader_data()->IsWaitRead());
ASSERT_TRUE(client.partial_loader_data()->IsWaitOpen());
// Send other document data.
client.SendAllPartialData();
// The downloads should be finished.
EXPECT_TRUE(client.full_page_loader_data()->closed());
EXPECT_TRUE(client.partial_loader_data()->closed());
}
TEST_F(DocumentLoaderImplTest, IgnoreDataMoreThanExpectedWithPartialAtFileEnd) {
static constexpr uint32_t kExtraSize = 100;
static constexpr uint32_t kRealSize = kDefaultRequestSize * 20 - 300;
static constexpr uint32_t kDocSize = kRealSize - kExtraSize;
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDocSize);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
// Request data at middle.
static constexpr uint32_t kFirstPartial = kDefaultRequestSize * 11;
loader.RequestData(kFirstPartial, kDefaultRequestSize);
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(client.full_page_loader_data()->closed());
EXPECT_FALSE(client.partial_loader_data()->closed());
// Send data to file end and extra non expected data.
client.partial_loader_data()->set_byte_range(
gfx::Range(kFirstPartial, kRealSize));
client.partial_loader_data()->CallOpenCallback(0);
uint32_t length = client.partial_loader_data()->byte_range().length();
while (length > 0) {
constexpr uint32_t max_part_len = kDefaultRequestSize;
const uint32_t part_len = std::min(length, max_part_len);
client.partial_loader_data()->CallReadCallback(part_len);
length -= part_len;
}
// The partial loading should be finished for current chunks sequence, if
// eof was reached, and remaining sequence should start loading.
EXPECT_FALSE(client.partial_loader_data()->IsWaitRead());
EXPECT_EQ(gfx::Range(kDefaultRequestSize, kFirstPartial),
client.partial_loader_data()->open_byte_range());
// Send other document data.
client.SendAllPartialData();
// The downloads should be finished.
EXPECT_TRUE(client.full_page_loader_data()->closed());
EXPECT_TRUE(client.partial_loader_data()->closed());
}
} // namespace chrome_pdf
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