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// 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 "ui/base/x/selection_requestor.h"
#include <stddef.h>
#include <memory>
#include "base/functional/bind.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/ref_counted_memory.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/task_environment.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/x/selection_utils.h"
#include "ui/base/x/x11_clipboard_helper.h"
#include "ui/base/x/x11_util.h"
#include "ui/gfx/x/atom_cache.h"
#include "ui/gfx/x/connection.h"
#include "ui/gfx/x/event.h"
#include "ui/gfx/x/xproto.h"
namespace ui {
class SelectionRequestorTest : public testing::Test {
public:
explicit SelectionRequestorTest() : connection_(*x11::Connection::Get()) {}
SelectionRequestorTest(const SelectionRequestorTest&) = delete;
SelectionRequestorTest& operator=(const SelectionRequestorTest&) = delete;
~SelectionRequestorTest() override = default;
// Responds to the SelectionRequestor's XConvertSelection() request by
// - Setting the property passed into the XConvertSelection() request to
// |value|.
// - Sending a SelectionNotify event.
void SendSelectionNotify(x11::Atom selection,
x11::Atom target,
const std::string& value) {
connection_->SetStringProperty(x_window_, requestor_->x_property_,
x11::Atom::STRING, value);
requestor_->OnSelectionNotify({
.requestor = x_window_,
.selection = selection,
.target = target,
.property = requestor_->x_property_,
});
}
protected:
void SetUp() override {
// Create a window for the selection requestor to use.
x_window_ = connection_->CreateDummyWindow();
helper_ = std::make_unique<XClipboardHelper>(
base::BindRepeating([](ClipboardBuffer buffer) {}));
requestor_ = helper_->GetSelectionRequestorForTest();
}
void TearDown() override {
helper_.reset();
requestor_ = nullptr;
connection_->DestroyWindow({x_window_});
}
raw_ref<x11::Connection> connection_;
// |requestor_|'s window.
x11::Window x_window_ = x11::Window::None;
std::unique_ptr<XClipboardHelper> helper_;
raw_ptr<SelectionRequestor> requestor_ = nullptr;
base::test::SingleThreadTaskEnvironment task_environment_{
base::test::SingleThreadTaskEnvironment::MainThreadType::UI};
};
namespace {
// Converts |selection| to |target| and checks the returned values.
void PerformBlockingConvertSelection(SelectionRequestor* requestor,
x11::Atom selection,
x11::Atom target,
const std::string& expected_data) {
std::vector<uint8_t> out_data;
x11::Atom out_type = x11::Atom::None;
EXPECT_TRUE(requestor->PerformBlockingConvertSelection(selection, target,
&out_data, &out_type));
EXPECT_EQ(expected_data.size(), out_data.size());
EXPECT_EQ(
expected_data,
ui::RefCountedMemoryToString(
base::MakeRefCounted<base::RefCountedBytes>(std::move(out_data))));
EXPECT_EQ(x11::Atom::STRING, out_type);
}
} // namespace
// Test that SelectionRequestor correctly handles receiving a request while it
// is processing another request.
// TODO(crbug.com/40398800): Reenable once clipboard interface is async.
TEST_F(SelectionRequestorTest, DISABLED_NestedRequests) {
// Assume that |selection| will have no owner. If there is an owner, the owner
// will set the property passed into the XConvertSelection() request which is
// undesirable.
x11::Atom selection = x11::GetAtom("FAKE_SELECTION");
x11::Atom target1 = x11::GetAtom("TARGET1");
x11::Atom target2 = x11::GetAtom("TARGET2");
base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, base::BindOnce(&PerformBlockingConvertSelection,
base::Unretained(requestor_), selection,
target2, "Data2"));
base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE,
base::BindOnce(&SelectionRequestorTest::SendSelectionNotify,
base::Unretained(this), selection, target1, "Data1"));
base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE,
base::BindOnce(&SelectionRequestorTest::SendSelectionNotify,
base::Unretained(this), selection, target2, "Data2"));
PerformBlockingConvertSelection(requestor_, selection, target1, "Data1");
}
} // namespace ui
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