src/graphics/display/drivers/display/test/display-test.cc

// Copyright 2019 The Fuchsia 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 <fbl/auto_lock.h>
#include <zxtest/zxtest.h>

#include "../client.h"
#include "../controller.h"
namespace display {

TEST(DispTest, NoOpTest) { EXPECT_OK(ZX_OK); }

TEST(DispTest, ClientVSyncOk) {
  zx::channel server_chl, client_chl;
  zx_status_t status = zx::channel::create(0, &server_chl, &client_chl);
  EXPECT_OK(status);
  Controller controller(nullptr);
  ClientProxy clientproxy(&controller, false, 0, std::move(server_chl));
  clientproxy.EnableVsync(true);
  fbl::AutoLock lock(controller.mtx());
  status = clientproxy.OnDisplayVsync(0, 0, nullptr, 0);
  EXPECT_OK(status);
  uint32_t num_bytes = 0u;
  uint32_t num_handles = 0u;
  uint8_t data[100];
  status = client_chl.read(0u, data, nullptr, 100, 0, &num_bytes, &num_handles);
  EXPECT_OK(status);

  clientproxy.CloseTest();
}

TEST(DispTest, ClientVSynPeerClosed) {
  zx::channel server_chl, client_chl;
  zx_status_t status = zx::channel::create(0, &server_chl, &client_chl);
  EXPECT_OK(status);
  Controller controller(nullptr);
  ClientProxy clientproxy(&controller, false, 0, std::move(server_chl));
  clientproxy.EnableVsync(true);
  fbl::AutoLock lock(controller.mtx());
  client_chl.reset();
  status = clientproxy.OnDisplayVsync(0, 0, nullptr, 0);
  EXPECT_TRUE(status == ZX_ERR_PEER_CLOSED);
  clientproxy.CloseTest();
}

TEST(DispTest, ClientVSyncNotSupported) {
  zx::channel server_chl, client_chl;
  zx_status_t status = zx::channel::create(0, &server_chl, &client_chl);
  EXPECT_OK(status);
  Controller controller(nullptr);
  ClientProxy clientproxy(&controller, false, 0, std::move(server_chl));
  fbl::AutoLock lock(controller.mtx());
  status = clientproxy.OnDisplayVsync(0, 0, nullptr, 0);
  EXPECT_TRUE(status == ZX_ERR_NOT_SUPPORTED);
  clientproxy.CloseTest();
}

}  // namespace display