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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <memory>
#include <string>
#include "base/functional/bind.h"
#include "base/memory/raw_ptr.h"
#include "remoting/base/constants.h"
#include "remoting/host/linux/x_server_clipboard.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/x/connection.h"
namespace remoting {
namespace {
class ClipboardTestClient : public x11::EventObserver {
public:
ClipboardTestClient() = default;
ClipboardTestClient(const ClipboardTestClient&) = delete;
ClipboardTestClient& operator=(const ClipboardTestClient&) = delete;
~ClipboardTestClient() override {
DCHECK(connection_);
connection_->RemoveEventObserver(this);
}
void Init(x11::Connection* connection) {
connection_ = connection;
connection_->AddEventObserver(this);
clipboard_.Init(connection, base::BindRepeating(
&ClipboardTestClient::OnClipboardChanged,
base::Unretained(this)));
}
void SetClipboardData(const std::string& clipboard_data) {
clipboard_data_ = clipboard_data;
clipboard_.SetClipboard(kMimeTypeTextUtf8, clipboard_data);
}
void OnClipboardChanged(const std::string& mime_type,
const std::string& data) {
clipboard_data_ = data;
}
// Process X events on the connection, returning true if any events were
// processed.
bool PumpXEvents() {
dispatched_event_ = false;
connection_->Sync();
connection_->DispatchAll();
return dispatched_event_;
}
void OnEvent(const x11::Event& event) override {
dispatched_event_ = true;
clipboard_.ProcessXEvent(event);
}
const std::string& clipboard_data() const { return clipboard_data_; }
x11::Connection* connection() const { return connection_; }
private:
std::string clipboard_data_;
XServerClipboard clipboard_;
raw_ptr<x11::Connection> connection_ = nullptr;
bool dispatched_event_ = false;
};
} // namespace
class XServerClipboardTest : public testing::Test {
public:
void SetUp() override {
// SynchronizeForTest() ensures that PumpXEvents() fully processes all X
// server requests and responses before returning to the caller.
connection1_ = std::make_unique<x11::Connection>();
connection1_->SynchronizeForTest(true);
client1_.Init(connection1_.get());
connection2_ = std::make_unique<x11::Connection>();
connection2_->SynchronizeForTest(true);
client2_.Init(connection2_.get());
}
void TearDown() override {
connection1_.reset();
connection2_.reset();
}
void PumpXEvents() {
while (true) {
if (!client1_.PumpXEvents() && !client2_.PumpXEvents()) {
break;
}
}
}
std::unique_ptr<x11::Connection> connection1_;
std::unique_ptr<x11::Connection> connection2_;
ClipboardTestClient client1_;
ClipboardTestClient client2_;
};
// http://crbug.com/163428
TEST_F(XServerClipboardTest, DISABLED_CopyPaste) {
// Verify clipboard data can be transferred more than once. Then verify that
// the code continues to function in the opposite direction (so client1_ will
// send then receive, and client2_ will receive then send).
client1_.SetClipboardData("Text1");
PumpXEvents();
EXPECT_EQ("Text1", client2_.clipboard_data());
client1_.SetClipboardData("Text2");
PumpXEvents();
EXPECT_EQ("Text2", client2_.clipboard_data());
client2_.SetClipboardData("Text3");
PumpXEvents();
EXPECT_EQ("Text3", client1_.clipboard_data());
client2_.SetClipboardData("Text4");
PumpXEvents();
EXPECT_EQ("Text4", client1_.clipboard_data());
}
} // namespace remoting
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