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content / browser / renderer_host / clipboard_host_impl_unittest.cc [blame]
// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/renderer_host/clipboard_host_impl.h"
#include <stddef.h>
#include <stdint.h>
#include <string>
#include <vector>
#include "base/containers/contains.h"
#include "base/files/file_path.h"
#include "base/functional/callback_helpers.h"
#include "base/memory/raw_ptr.h"
#include "base/pickle.h"
#include "base/run_loop.h"
#include "base/strings/utf_string_conversions.h"
#include "base/test/bind.h"
#include "base/test/test_future.h"
#include "content/public/browser/web_contents.h"
#include "content/public/test/browser_task_environment.h"
#include "content/public/test/navigation_simulator.h"
#include "content/public/test/test_renderer_host.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "mojo/public/cpp/system/message_pipe.h"
#include "skia/ext/skia_utils_base.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/abseil-cpp/absl/types/variant.h"
#include "third_party/blink/public/mojom/tokens/tokens.mojom-forward.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/base/clipboard/clipboard.h"
#include "ui/base/clipboard/clipboard_buffer.h"
#include "ui/base/clipboard/clipboard_format_type.h"
#include "ui/base/clipboard/custom_data_helper.h"
#include "ui/base/clipboard/scoped_clipboard_writer.h"
#include "ui/base/clipboard/test/clipboard_test_util.h"
#include "ui/base/clipboard/test/test_clipboard.h"
#include "ui/base/data_transfer_policy/data_transfer_policy_controller.h"
#include "ui/gfx/codec/png_codec.h"
#include "ui/gfx/image/image_unittest_util.h"
#include "ui/gfx/skia_util.h"
#include "url/gurl.h"
namespace ui {
class DataTransferEndpoint;
}
namespace content {
class ClipboardHostImplTest : public RenderViewHostTestHarness {
protected:
ClipboardHostImplTest() { ui::TestClipboard::CreateForCurrentThread(); }
~ClipboardHostImplTest() override {
ui::Clipboard::DestroyClipboardForCurrentThread();
}
void SetUp() override {
RenderViewHostTestHarness::SetUp();
SetContents(CreateTestWebContents());
NavigateAndCommit(GURL("https://google.com/"));
ClipboardHostImpl::Create(web_contents()->GetPrimaryMainFrame(),
remote_.BindNewPipeAndPassReceiver());
}
bool IsFormatAvailable(ui::ClipboardFormatType type) {
return system_clipboard()->IsFormatAvailable(
type, ui::ClipboardBuffer::kCopyPaste,
/* data_dst=*/nullptr);
}
mojo::Remote<blink::mojom::ClipboardHost>& mojo_clipboard() {
return remote_;
}
// Re-creates the system clipboard.
void DeleteAndRecreateClipboard() {
ui::Clipboard::DestroyClipboardForCurrentThread();
ui::TestClipboard::CreateForCurrentThread();
}
static ui::Clipboard* system_clipboard() {
return ui::Clipboard::GetForCurrentThread();
}
private:
mojo::Remote<blink::mojom::ClipboardHost> remote_;
};
TEST_F(ClipboardHostImplTest, SimpleImage_ReadPng) {
SkBitmap bitmap = gfx::test::CreateBitmap(3, 2);
mojo_clipboard()->WriteImage(bitmap);
ui::ClipboardSequenceNumberToken sequence_number =
system_clipboard()->GetSequenceNumber(ui::ClipboardBuffer::kCopyPaste);
mojo_clipboard()->CommitWrite();
base::RunLoop().RunUntilIdle();
EXPECT_NE(sequence_number, system_clipboard()->GetSequenceNumber(
ui::ClipboardBuffer::kCopyPaste));
EXPECT_FALSE(system_clipboard()->IsFormatAvailable(
ui::ClipboardFormatType::PlainTextType(), ui::ClipboardBuffer::kCopyPaste,
/* data_dst=*/nullptr));
EXPECT_TRUE(system_clipboard()->IsFormatAvailable(
ui::ClipboardFormatType::BitmapType(), ui::ClipboardBuffer::kCopyPaste,
/*data_dst=*/nullptr));
EXPECT_TRUE(system_clipboard()->IsFormatAvailable(
ui::ClipboardFormatType::PngType(), ui::ClipboardBuffer::kCopyPaste,
/*data_dst=*/nullptr));
std::vector<uint8_t> png =
ui::clipboard_test_util::ReadPng(system_clipboard());
SkBitmap actual = gfx::PNGCodec::Decode(png);
ASSERT_TRUE(!actual.isNull());
EXPECT_TRUE(gfx::BitmapsAreEqual(bitmap, actual));
}
TEST_F(ClipboardHostImplTest, DoesNotCacheClipboard) {
ui::ClipboardSequenceNumberToken unused_sequence_number;
mojo_clipboard()->GetSequenceNumber(ui::ClipboardBuffer::kCopyPaste,
&unused_sequence_number);
DeleteAndRecreateClipboard();
// This shouldn't crash after the original ui::Clipboard is gone.
mojo_clipboard()->GetSequenceNumber(ui::ClipboardBuffer::kCopyPaste,
&unused_sequence_number);
}
TEST_F(ClipboardHostImplTest, ReadAvailableTypes_TextUriList) {
std::vector<std::u16string> types;
// If clipboard contains files, only 'text/uri-list' should be available.
// We exclude others like 'text/plain' which contin the full file path on some
// platforms (http://crbug.com/1214108).
{
ui::ScopedClipboardWriter writer(ui::ClipboardBuffer::kCopyPaste);
writer.WriteFilenames("file:///test/file");
writer.WriteText(u"text");
}
EXPECT_TRUE(IsFormatAvailable(ui::ClipboardFormatType::FilenamesType()));
EXPECT_TRUE(IsFormatAvailable(ui::ClipboardFormatType::PlainTextType()));
mojo_clipboard()->ReadAvailableTypes(ui::ClipboardBuffer::kCopyPaste, &types);
EXPECT_EQ(std::vector<std::u16string>({u"text/uri-list"}), types);
// If clipboard doesn't contain files, but custom data contains
// 'text/uri-list', all other types should still be available since CrOS
// FilesApp in particular sets types such as 'fs/sources' in addition to
// 'text/uri-list' as custom types (http://crbug.com/1241671).
{
ui::ScopedClipboardWriter writer(ui::ClipboardBuffer::kCopyPaste);
writer.WriteText(u"text");
base::flat_map<std::u16string, std::u16string> custom_data;
custom_data[u"text/uri-list"] = u"data";
base::Pickle pickle;
ui::WriteCustomDataToPickle(custom_data, &pickle);
writer.WritePickledData(pickle,
ui::ClipboardFormatType::DataTransferCustomType());
}
EXPECT_FALSE(IsFormatAvailable(ui::ClipboardFormatType::FilenamesType()));
EXPECT_TRUE(
IsFormatAvailable(ui::ClipboardFormatType::DataTransferCustomType()));
EXPECT_TRUE(IsFormatAvailable(ui::ClipboardFormatType::PlainTextType()));
mojo_clipboard()->ReadAvailableTypes(ui::ClipboardBuffer::kCopyPaste, &types);
EXPECT_TRUE(base::Contains(types, u"text/plain"));
EXPECT_TRUE(base::Contains(types, u"text/uri-list"));
}
class ClipboardHostImplWriteTest : public RenderViewHostTestHarness {
protected:
ClipboardHostImplWriteTest()
: RenderViewHostTestHarness(
base::test::TaskEnvironment::TimeSource::MOCK_TIME) {
ui::TestClipboard::CreateForCurrentThread();
}
void SetUp() override {
RenderViewHostTestHarness::SetUp();
SetContents(CreateTestWebContents());
NavigateAndCommit(GURL("https://foobar.com/"));
}
void TearDown() override {
fake_clipboard_host_impl_ = nullptr;
RenderViewHostTestHarness::TearDown();
}
~ClipboardHostImplWriteTest() override {
ui::Clipboard::DestroyClipboardForCurrentThread();
}
// Creates a fake clipboard host if it doesn't exist, or returns the already
// created pointer.
ClipboardHostImpl* clipboard_host_impl() {
if (!fake_clipboard_host_impl_) {
fake_clipboard_host_impl_ =
new ClipboardHostImpl(*web_contents()->GetPrimaryMainFrame(),
remote_.BindNewPipeAndPassReceiver());
}
return fake_clipboard_host_impl_;
}
mojo::Remote<blink::mojom::ClipboardHost>& mojo_clipboard() {
return remote_;
}
static ui::Clipboard* system_clipboard() {
return ui::Clipboard::GetForCurrentThread();
}
RenderFrameHost& rfh() { return *web_contents()->GetPrimaryMainFrame(); }
private:
mojo::Remote<blink::mojom::ClipboardHost> remote_;
// `ClipboardHostImpl` is a `DocumentService` and manages its own
// lifetime.
raw_ptr<ClipboardHostImpl> fake_clipboard_host_impl_;
};
TEST_F(ClipboardHostImplWriteTest, MainFrameURL) {
GURL gurl1("https://example.com");
GURL gurl2("http://test.org");
GURL gurl3("http://google.com");
NavigateAndCommit(gurl1);
content::RenderFrameHost* child_rfh =
content::NavigationSimulator::NavigateAndCommitFromDocument(
gurl2, content::RenderFrameHostTester::For(main_rfh())
->AppendChild("child"));
content::RenderFrameHost* grandchild_rfh =
content::NavigationSimulator::NavigateAndCommitFromDocument(
gurl3, content::RenderFrameHostTester::For(child_rfh)->AppendChild(
"grandchild"));
mojo::Remote<blink::mojom::ClipboardHost> remote_grandchild;
// `ClipboardHostImpl` is a `DocumentService` and manages its own
// lifetime.
raw_ptr<ClipboardHostImpl> fake_clipboard_host_impl_grandchild =
new ClipboardHostImpl(*grandchild_rfh,
remote_grandchild.BindNewPipeAndPassReceiver());
bool is_policy_callback_called = false;
ClipboardHostImpl::ClipboardPasteData clipboard_paste_data;
clipboard_paste_data.text = u"data";
fake_clipboard_host_impl_grandchild->PasteIfPolicyAllowed(
ui::ClipboardBuffer::kCopyPaste, ui::ClipboardFormatType::PlainTextType(),
clipboard_paste_data,
base::BindLambdaForTesting(
[&is_policy_callback_called](
std::optional<ClipboardHostImpl::ClipboardPasteData>
clipboard_paste_data) {
is_policy_callback_called = true;
ASSERT_TRUE(clipboard_paste_data);
ASSERT_EQ(clipboard_paste_data->text, u"data");
}));
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(is_policy_callback_called);
}
TEST_F(ClipboardHostImplWriteTest, GetSourceEndpoint) {
const std::u16string kText = u"text";
clipboard_host_impl()->WriteText(kText);
clipboard_host_impl()->CommitWrite();
// After writing the text to the clipboard with `clipboard_host_impl()`, the
// source clipboard endpoint should match the current RFH.
ClipboardEndpoint source_endpoint = GetSourceClipboardEndpoint(
ui::Clipboard::GetForCurrentThread()->GetSequenceNumber(
ui::ClipboardBuffer::kCopyPaste),
ui::ClipboardBuffer::kCopyPaste);
EXPECT_TRUE(source_endpoint.data_transfer_endpoint());
EXPECT_TRUE(source_endpoint.data_transfer_endpoint()->IsUrlType());
EXPECT_EQ(source_endpoint.web_contents(),
WebContents::FromRenderFrameHost(&rfh()));
EXPECT_EQ(source_endpoint.browser_context(), rfh().GetBrowserContext());
// Calling `GetSourceClipboardEndpoint` with a different seqno will
// return the same DTE, but no WebContents or BrowserContext.
ui::ClipboardSequenceNumberToken other_seqno;
ClipboardEndpoint empty_endpoint =
GetSourceClipboardEndpoint(other_seqno, ui::ClipboardBuffer::kCopyPaste);
EXPECT_TRUE(source_endpoint.data_transfer_endpoint());
EXPECT_TRUE(source_endpoint.data_transfer_endpoint()->IsUrlType());
EXPECT_FALSE(empty_endpoint.web_contents());
EXPECT_FALSE(empty_endpoint.browser_context());
}
TEST_F(ClipboardHostImplWriteTest, WriteText) {
const std::u16string kText = u"text";
clipboard_host_impl()->WriteText(kText);
clipboard_host_impl()->CommitWrite();
base::test::TestFuture<const std::u16string&> future;
clipboard_host_impl()->ReadText(ui::ClipboardBuffer::kCopyPaste,
future.GetCallback());
EXPECT_EQ(kText, future.Take());
}
TEST_F(ClipboardHostImplWriteTest, WriteText_Empty) {
clipboard_host_impl()->WriteText(u"");
clipboard_host_impl()->CommitWrite();
base::test::TestFuture<const std::u16string&> future;
clipboard_host_impl()->ReadText(ui::ClipboardBuffer::kCopyPaste,
future.GetCallback());
EXPECT_TRUE(future.Take().empty());
}
TEST_F(ClipboardHostImplWriteTest, WriteHtml) {
const GURL kUrl("https://example.com");
const std::u16string kHtml = u"<html>foo</html>";
clipboard_host_impl()->WriteHtml(kHtml, kUrl);
clipboard_host_impl()->CommitWrite();
base::test::TestFuture<const std::u16string&, const GURL&, uint32_t, uint32_t>
future;
clipboard_host_impl()->ReadHtml(ui::ClipboardBuffer::kCopyPaste,
future.GetCallback());
EXPECT_EQ(kHtml, future.Get<std::u16string>());
EXPECT_EQ(kUrl, future.Get<GURL>());
EXPECT_EQ(0u, future.Get<2>());
EXPECT_EQ(kHtml.size(), future.Get<3>());
}
TEST_F(ClipboardHostImplWriteTest, WriteHtml_Empty) {
clipboard_host_impl()->WriteHtml(u"", GURL());
clipboard_host_impl()->CommitWrite();
base::test::TestFuture<const std::u16string&, const GURL&, uint32_t, uint32_t>
future;
clipboard_host_impl()->ReadHtml(ui::ClipboardBuffer::kCopyPaste,
future.GetCallback());
EXPECT_TRUE(future.Get<std::u16string>().empty());
EXPECT_TRUE(future.Get<GURL>().is_empty());
EXPECT_EQ(0u, future.Get<2>());
EXPECT_EQ(0u, future.Get<3>());
}
TEST_F(ClipboardHostImplWriteTest, WriteSvg) {
const std::u16string kSvg = u"svg data";
clipboard_host_impl()->WriteSvg(kSvg);
clipboard_host_impl()->CommitWrite();
base::test::TestFuture<const std::u16string&> future;
clipboard_host_impl()->ReadSvg(ui::ClipboardBuffer::kCopyPaste,
future.GetCallback());
EXPECT_EQ(kSvg, future.Take());
}
TEST_F(ClipboardHostImplWriteTest, WriteSvg_Empty) {
clipboard_host_impl()->WriteSvg(u"");
clipboard_host_impl()->CommitWrite();
base::test::TestFuture<const std::u16string&> future;
clipboard_host_impl()->ReadSvg(ui::ClipboardBuffer::kCopyPaste,
future.GetCallback());
EXPECT_TRUE(future.Take().empty());
}
TEST_F(ClipboardHostImplWriteTest, WriteBitmap) {
const SkBitmap kBitmap = gfx::test::CreateBitmap(3, 2);
clipboard_host_impl()->WriteImage(kBitmap);
clipboard_host_impl()->CommitWrite();
std::vector<uint8_t> png =
ui::clipboard_test_util::ReadPng(system_clipboard());
SkBitmap actual = gfx::PNGCodec::Decode(png);
ASSERT_FALSE(actual.isNull());
EXPECT_TRUE(gfx::BitmapsAreEqual(kBitmap, actual));
}
TEST_F(ClipboardHostImplWriteTest, WriteBitmap_Empty) {
const SkBitmap kBitmap;
clipboard_host_impl()->WriteImage(SkBitmap());
clipboard_host_impl()->CommitWrite();
std::vector<uint8_t> png =
ui::clipboard_test_util::ReadPng(system_clipboard());
SkBitmap actual = gfx::PNGCodec::Decode(png);
EXPECT_TRUE(actual.isNull());
EXPECT_TRUE(gfx::BitmapsAreEqual(kBitmap, actual));
EXPECT_TRUE(png.empty());
}
TEST_F(ClipboardHostImplWriteTest, WriteDataTransferCustomData) {
base::flat_map<std::u16string, std::u16string> custom_data;
custom_data[u"text/type1"] = u"data1";
custom_data[u"text/type2"] = u"data2";
custom_data[u"text/type3"] = u"data3";
clipboard_host_impl()->WriteDataTransferCustomData(custom_data);
clipboard_host_impl()->CommitWrite();
base::test::TestFuture<const std::u16string&> future_1;
base::test::TestFuture<const std::u16string&> future_2;
base::test::TestFuture<const std::u16string&> future_3;
clipboard_host_impl()->ReadDataTransferCustomData(
ui::ClipboardBuffer::kCopyPaste, u"text/type1", future_1.GetCallback());
clipboard_host_impl()->ReadDataTransferCustomData(
ui::ClipboardBuffer::kCopyPaste, u"text/type2", future_2.GetCallback());
clipboard_host_impl()->ReadDataTransferCustomData(
ui::ClipboardBuffer::kCopyPaste, u"text/type3", future_3.GetCallback());
EXPECT_EQ(custom_data[u"text/type1"], future_1.Take());
EXPECT_EQ(custom_data[u"text/type2"], future_2.Take());
EXPECT_EQ(custom_data[u"text/type3"], future_3.Take());
}
TEST_F(ClipboardHostImplWriteTest, WriteDataTransferCustomData_Empty) {
base::flat_map<std::u16string, std::u16string> custom_data;
custom_data[u"text/type1"] = u"";
clipboard_host_impl()->WriteDataTransferCustomData(custom_data);
clipboard_host_impl()->CommitWrite();
base::test::TestFuture<const std::u16string&> future_1;
base::test::TestFuture<const std::u16string&> future_2;
clipboard_host_impl()->ReadDataTransferCustomData(
ui::ClipboardBuffer::kCopyPaste, u"text/type1", future_1.GetCallback());
clipboard_host_impl()->ReadDataTransferCustomData(
ui::ClipboardBuffer::kCopyPaste, u"text/type2", future_2.GetCallback());
EXPECT_TRUE(future_1.Take().empty());
EXPECT_TRUE(future_2.Take().empty());
}
class ClipboardHostImplAsyncWriteTest : public RenderViewHostTestHarness {
protected:
class AsyncWriteClipboardHostImpl : public ClipboardHostImpl {
public:
AsyncWriteClipboardHostImpl(
RenderFrameHost& render_frame_host,
mojo::PendingReceiver<blink::mojom::ClipboardHost> receiver)
: ClipboardHostImpl(render_frame_host, std::move(receiver)) {}
void OnCopyAllowedResult(
const ui::ClipboardFormatType& data_type,
const ClipboardPasteData& data,
std::optional<std::u16string> replacement_data) override {
if (delay_) {
delayed_on_copy_allowed_results_.push(base::BindOnce(
&ClipboardHostImpl::OnCopyAllowedResult, base::Unretained(this),
data_type, data, std::move(replacement_data)));
} else {
ClipboardHostImpl::OnCopyAllowedResult(data_type, data,
std::move(replacement_data));
}
}
void OnCopyHtmlAllowedResult(
const GURL& source_url,
const ui::ClipboardFormatType& data_type,
const ClipboardPasteData& data,
std::optional<std::u16string> replacement_data) override {
if (delay_) {
delayed_on_copy_allowed_results_.push(base::BindOnce(
&ClipboardHostImpl::OnCopyHtmlAllowedResult, base::Unretained(this),
source_url, data_type, data, std::move(replacement_data)));
} else {
ClipboardHostImpl::OnCopyHtmlAllowedResult(source_url, data_type, data,
std::move(replacement_data));
}
}
void CallOneDelayedResult() {
delay_ = false;
auto& front = delayed_on_copy_allowed_results_.front();
std::move(front).Run();
delayed_on_copy_allowed_results_.pop();
}
void DelayWrites() { delay_ = true; }
private:
bool delay_ = true;
std::queue<base::OnceClosure> delayed_on_copy_allowed_results_;
};
ClipboardHostImplAsyncWriteTest()
: RenderViewHostTestHarness(
base::test::TaskEnvironment::TimeSource::MOCK_TIME) {
ui::TestClipboard::CreateForCurrentThread();
}
void SetUp() override {
RenderViewHostTestHarness::SetUp();
SetContents(CreateTestWebContents());
NavigateAndCommit(GURL("https://google.com/"));
fake_clipboard_host_impl_ =
new AsyncWriteClipboardHostImpl(*web_contents()->GetPrimaryMainFrame(),
remote_.BindNewPipeAndPassReceiver());
}
void TearDown() override {
fake_clipboard_host_impl_ = nullptr;
RenderViewHostTestHarness::TearDown();
}
~ClipboardHostImplAsyncWriteTest() override {
ui::Clipboard::DestroyClipboardForCurrentThread();
}
AsyncWriteClipboardHostImpl* async_write_clipboard_host_impl() {
return fake_clipboard_host_impl_;
}
private:
mojo::Remote<blink::mojom::ClipboardHost> remote_;
// `ClipboardHostImpl` is a `DocumentService` and manages its own
// lifetime.
raw_ptr<AsyncWriteClipboardHostImpl> fake_clipboard_host_impl_;
};
TEST_F(ClipboardHostImplAsyncWriteTest, WriteText) {
ui::Clipboard::GetForCurrentThread()->Clear(ui::ClipboardBuffer::kCopyPaste);
const std::u16string kText = u"text";
async_write_clipboard_host_impl()->WriteText(kText);
async_write_clipboard_host_impl()->CommitWrite();
// Even after calling `CommitWrite()`, reading from the clipboard shouldn't
// return `kText` as we don't know yet if it's allowed or not.
base::test::TestFuture<const std::u16string&> first_future;
async_write_clipboard_host_impl()->ReadText(ui::ClipboardBuffer::kCopyPaste,
first_future.GetCallback());
EXPECT_TRUE(first_future.Take().empty());
async_write_clipboard_host_impl()->CallOneDelayedResult();
base::test::TestFuture<const std::u16string&> second_future;
async_write_clipboard_host_impl()->ReadText(ui::ClipboardBuffer::kCopyPaste,
second_future.GetCallback());
EXPECT_EQ(second_future.Take(), kText);
}
TEST_F(ClipboardHostImplAsyncWriteTest, WriteHtml) {
ui::Clipboard::GetForCurrentThread()->Clear(ui::ClipboardBuffer::kCopyPaste);
const GURL kUrl("https://example.com");
const std::u16string kHtml = u"<html>foo</html>";
async_write_clipboard_host_impl()->WriteHtml(kHtml, kUrl);
async_write_clipboard_host_impl()->CommitWrite();
// Even after calling `CommitWrite()`, reading from the clipboard shouldn't
// return `kHtml` as we don't know yet if it's allowed or not.
base::test::TestFuture<const std::u16string&, const GURL&, uint32_t, uint32_t>
first_future;
async_write_clipboard_host_impl()->ReadHtml(ui::ClipboardBuffer::kCopyPaste,
first_future.GetCallback());
EXPECT_TRUE(first_future.Get<std::u16string>().empty());
EXPECT_TRUE(first_future.Get<GURL>().is_empty());
EXPECT_EQ(first_future.Get<2>(), 0u);
EXPECT_EQ(first_future.Get<3>(), 0u);
async_write_clipboard_host_impl()->CallOneDelayedResult();
base::test::TestFuture<const std::u16string&, const GURL&, uint32_t, uint32_t>
second_future;
async_write_clipboard_host_impl()->ReadHtml(ui::ClipboardBuffer::kCopyPaste,
second_future.GetCallback());
EXPECT_EQ(second_future.Get<std::u16string>(), kHtml);
EXPECT_EQ(second_future.Get<GURL>(), kUrl);
EXPECT_EQ(second_future.Get<2>(), 0u);
EXPECT_EQ(second_future.Get<3>(), 16u);
}
TEST_F(ClipboardHostImplAsyncWriteTest, WriteTextAndHtml) {
ui::Clipboard::GetForCurrentThread()->Clear(ui::ClipboardBuffer::kCopyPaste);
const std::u16string kText = u"text";
const GURL kUrl("https://example.com");
const std::u16string kHtml = u"<html>foo</html>";
async_write_clipboard_host_impl()->WriteText(kText);
async_write_clipboard_host_impl()->WriteHtml(kHtml, kUrl);
async_write_clipboard_host_impl()->CommitWrite();
// Even after calling `CommitWrite()`, reading from the clipboard shouldn't
// return anything as we don't know yet if the data is allowed or not.
base::test::TestFuture<const std::u16string&> first_text_future;
async_write_clipboard_host_impl()->ReadText(ui::ClipboardBuffer::kCopyPaste,
first_text_future.GetCallback());
EXPECT_TRUE(first_text_future.Take().empty());
base::test::TestFuture<const std::u16string&, const GURL&, uint32_t, uint32_t>
first_html_future;
async_write_clipboard_host_impl()->ReadHtml(ui::ClipboardBuffer::kCopyPaste,
first_html_future.GetCallback());
EXPECT_TRUE(first_html_future.Get<std::u16string>().empty());
EXPECT_TRUE(first_html_future.Get<GURL>().is_empty());
EXPECT_EQ(first_html_future.Get<2>(), 0u);
EXPECT_EQ(first_html_future.Get<3>(), 0u);
// After only one delayed result has been propagated, the clipboard still
// shouldn't have data as it isn't committed until the last result is
// resolved.
async_write_clipboard_host_impl()->CallOneDelayedResult();
base::test::TestFuture<const std::u16string&> second_text_future;
async_write_clipboard_host_impl()->ReadText(ui::ClipboardBuffer::kCopyPaste,
second_text_future.GetCallback());
EXPECT_TRUE(second_text_future.Take().empty());
base::test::TestFuture<const std::u16string&, const GURL&, uint32_t, uint32_t>
second_html_future;
async_write_clipboard_host_impl()->ReadHtml(ui::ClipboardBuffer::kCopyPaste,
second_html_future.GetCallback());
EXPECT_TRUE(second_html_future.Get<std::u16string>().empty());
EXPECT_TRUE(second_html_future.Get<GURL>().is_empty());
EXPECT_EQ(second_html_future.Get<2>(), 0u);
EXPECT_EQ(second_html_future.Get<3>(), 0u);
// After calling the last delayed callback, the data should be in the
// clipboard.
async_write_clipboard_host_impl()->CallOneDelayedResult();
base::test::TestFuture<const std::u16string&> third_text_future;
async_write_clipboard_host_impl()->ReadText(ui::ClipboardBuffer::kCopyPaste,
third_text_future.GetCallback());
EXPECT_EQ(third_text_future.Take(), kText);
base::test::TestFuture<const std::u16string&, const GURL&, uint32_t, uint32_t>
third_html_future;
async_write_clipboard_host_impl()->ReadHtml(ui::ClipboardBuffer::kCopyPaste,
third_html_future.GetCallback());
EXPECT_EQ(third_html_future.Get<std::u16string>(), kHtml);
EXPECT_EQ(third_html_future.Get<GURL>(), kUrl);
EXPECT_EQ(third_html_future.Get<2>(), 0u);
EXPECT_EQ(third_html_future.Get<3>(), 16u);
}
TEST_F(ClipboardHostImplAsyncWriteTest, ConcurrentWrites) {
ui::Clipboard::GetForCurrentThread()->Clear(ui::ClipboardBuffer::kCopyPaste);
const std::u16string kFirstText = u"first text";
const GURL kFirstUrl("https://first.example.com");
const std::u16string kFirstHtml = u"<html>first foo</html>";
async_write_clipboard_host_impl()->WriteText(kFirstText);
async_write_clipboard_host_impl()->WriteHtml(kFirstHtml, kFirstUrl);
async_write_clipboard_host_impl()->CommitWrite();
// Even after calling `CommitWrite()`, reading from the clipboard shouldn't
// return anything as we don't know yet if the data is allowed or not.
base::test::TestFuture<const std::u16string&> first_text_future;
async_write_clipboard_host_impl()->ReadText(ui::ClipboardBuffer::kCopyPaste,
first_text_future.GetCallback());
EXPECT_TRUE(first_text_future.Take().empty());
base::test::TestFuture<const std::u16string&, const GURL&, uint32_t, uint32_t>
first_html_future;
async_write_clipboard_host_impl()->ReadHtml(ui::ClipboardBuffer::kCopyPaste,
first_html_future.GetCallback());
EXPECT_TRUE(first_html_future.Get<std::u16string>().empty());
EXPECT_TRUE(first_html_future.Get<GURL>().is_empty());
EXPECT_EQ(first_html_future.Get<2>(), 0u);
EXPECT_EQ(first_html_future.Get<3>(), 0u);
// After only one delayed result has been propagated, the clipboard still
// shouldn't have data as it isn't committed until the last result is
// resolved.
async_write_clipboard_host_impl()->CallOneDelayedResult();
base::test::TestFuture<const std::u16string&> second_text_future;
async_write_clipboard_host_impl()->ReadText(ui::ClipboardBuffer::kCopyPaste,
second_text_future.GetCallback());
EXPECT_TRUE(second_text_future.Take().empty());
base::test::TestFuture<const std::u16string&, const GURL&, uint32_t, uint32_t>
second_html_future;
async_write_clipboard_host_impl()->ReadHtml(ui::ClipboardBuffer::kCopyPaste,
second_html_future.GetCallback());
EXPECT_TRUE(second_html_future.Get<std::u16string>().empty());
EXPECT_TRUE(second_html_future.Get<GURL>().is_empty());
EXPECT_EQ(second_html_future.Get<2>(), 0u);
EXPECT_EQ(second_html_future.Get<3>(), 0u);
// Making more `Write*` calls the first set hasn't completed should simply
// queue the new values while still only committing when the last result has
// been processed.
const std::u16string kSecondText = u"second text";
const GURL kSecondUrl("https://second.example.com");
const std::u16string kSecondHtml = u"<html>second foo</html>";
const std::u16string kSvg = u"svg";
async_write_clipboard_host_impl()->DelayWrites();
async_write_clipboard_host_impl()->WriteText(kSecondText);
async_write_clipboard_host_impl()->WriteHtml(kSecondHtml, kSecondUrl);
async_write_clipboard_host_impl()->WriteSvg(kSvg);
async_write_clipboard_host_impl()->CommitWrite();
// At this point we still have the first HTML write, second text write, second
// HTML write and SVG write queued, so we should be able to make three more
// `CallOneDelayedResult()` calls without getting all the data committed.
for (int i = 0; i < 3; ++i) {
async_write_clipboard_host_impl()->CallOneDelayedResult();
base::test::TestFuture<const std::u16string&> empty_text_future;
async_write_clipboard_host_impl()->ReadText(
ui::ClipboardBuffer::kCopyPaste, empty_text_future.GetCallback());
EXPECT_TRUE(empty_text_future.Take().empty());
base::test::TestFuture<const std::u16string&, const GURL&, uint32_t,
uint32_t>
empty_html_future;
async_write_clipboard_host_impl()->ReadHtml(
ui::ClipboardBuffer::kCopyPaste, empty_html_future.GetCallback());
EXPECT_TRUE(empty_html_future.Get<std::u16string>().empty());
EXPECT_TRUE(empty_html_future.Get<GURL>().is_empty());
EXPECT_EQ(empty_html_future.Get<2>(), 0u);
EXPECT_EQ(empty_html_future.Get<3>(), 0u);
base::test::TestFuture<const std::u16string&> empty_svg_future;
async_write_clipboard_host_impl()->ReadSvg(ui::ClipboardBuffer::kCopyPaste,
empty_svg_future.GetCallback());
EXPECT_TRUE(empty_svg_future.Take().empty());
}
// After calling the last delayed callback, the data should be in the
// clipboard.
async_write_clipboard_host_impl()->CallOneDelayedResult();
base::test::TestFuture<const std::u16string&> last_text_future;
async_write_clipboard_host_impl()->ReadText(ui::ClipboardBuffer::kCopyPaste,
last_text_future.GetCallback());
EXPECT_EQ(last_text_future.Take(), kSecondText);
base::test::TestFuture<const std::u16string&, const GURL&, uint32_t, uint32_t>
last_html_future;
async_write_clipboard_host_impl()->ReadHtml(ui::ClipboardBuffer::kCopyPaste,
last_html_future.GetCallback());
EXPECT_EQ(last_html_future.Get<std::u16string>(), kSecondHtml);
EXPECT_EQ(last_html_future.Get<GURL>(), kSecondUrl);
EXPECT_EQ(last_html_future.Get<2>(), 0u);
EXPECT_EQ(last_html_future.Get<3>(), 23u);
base::test::TestFuture<const std::u16string&> last_svg_future;
async_write_clipboard_host_impl()->ReadSvg(ui::ClipboardBuffer::kCopyPaste,
last_svg_future.GetCallback());
EXPECT_EQ(last_svg_future.Take(), kSvg);
}
} // namespace content