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// Copyright 2015 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 "components/exo/wayland/server.h"
#include <stdlib.h>
#include <wayland-client-core.h>
#include <memory>
#include "base/atomic_sequence_num.h"
#include "base/bind.h"
#include "base/files/scoped_temp_dir.h"
#include "base/process/process_handle.h"
#include "base/strings/stringprintf.h"
#include "base/threading/thread.h"
#include "components/exo/display.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace exo {
namespace wayland {
namespace {
base::StaticAtomicSequenceNumber g_next_socket_id;
std::string GetUniqueSocketName() {
return base::StringPrintf("wayland-test-%d-%d", base::GetCurrentProcId(),
g_next_socket_id.GetNext());
}
class ServerTest : public testing::Test {
public:
ServerTest() {}
~ServerTest() override {}
void SetUp() override {
ASSERT_TRUE(xdg_temp_dir_.CreateUniqueTempDir());
setenv("XDG_RUNTIME_DIR", xdg_temp_dir_.GetPath().MaybeAsASCII().c_str(),
1 /* overwrite */);
testing::Test::SetUp();
}
private:
base::ScopedTempDir xdg_temp_dir_;
DISALLOW_COPY_AND_ASSIGN(ServerTest);
};
TEST_F(ServerTest, AddSocket) {
std::unique_ptr<Display> display(new Display);
std::unique_ptr<Server> server(new Server(display.get()));
// Check that calling AddSocket() with a unique socket name succeeds.
bool rv = server->AddSocket(GetUniqueSocketName());
EXPECT_TRUE(rv);
}
TEST_F(ServerTest, GetFileDescriptor) {
std::unique_ptr<Display> display(new Display);
std::unique_ptr<Server> server(new Server(display.get()));
bool rv = server->AddSocket(GetUniqueSocketName());
EXPECT_TRUE(rv);
// Check that the returned file descriptor is valid.
int fd = server->GetFileDescriptor();
DCHECK_GE(fd, 0);
}
void ConnectToServer(const std::string socket_name,
bool* connected_to_server,
base::WaitableEvent* event) {
wl_display* display = wl_display_connect(socket_name.c_str());
*connected_to_server = !!display;
event->Signal();
wl_display_disconnect(display);
}
TEST_F(ServerTest, Dispatch) {
std::unique_ptr<Display> display(new Display);
std::unique_ptr<Server> server(new Server(display.get()));
std::string socket_name = GetUniqueSocketName();
bool rv = server->AddSocket(socket_name);
EXPECT_TRUE(rv);
base::Thread client("client-" + socket_name);
ASSERT_TRUE(client.Start());
// Post a task that connects server on the created thread.
bool connected_to_server = false;
base::WaitableEvent event(base::WaitableEvent::ResetPolicy::AUTOMATIC,
base::WaitableEvent::InitialState::NOT_SIGNALED);
client.task_runner()->PostTask(
FROM_HERE,
base::Bind(&ConnectToServer, socket_name, &connected_to_server, &event));
// Call Dispatch() with a 5 second timeout.
server->Dispatch(base::TimeDelta::FromSeconds(5));
// Check if client thread managed to connect to server.
event.Wait();
EXPECT_TRUE(connected_to_server);
}
TEST_F(ServerTest, Flush) {
std::unique_ptr<Display> display(new Display);
std::unique_ptr<Server> server(new Server(display.get()));
bool rv = server->AddSocket(GetUniqueSocketName());
EXPECT_TRUE(rv);
// Just call Flush to check that it doesn't have any bad side-effects.
server->Flush();
}
} // namespace
} // namespace wayland
} // namespace exo
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