components: Add Exosphere component.

components/exo/display_unittest.cc

+// 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/buffer.h"
+#include "components/exo/display.h"
+#include "components/exo/shared_memory.h"
+#include "components/exo/shell_surface.h"
+#include "components/exo/surface.h"
+#include "components/exo/test/exo_test_base.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace exo {
+namespace {
+
+using DisplayTest = test::ExoTestBase;
+
+TEST_F(DisplayTest, CreateSurface) {
+  scoped_ptr<Display> display(new Display);
+
+  // Creating a surface should succeed.
+  scoped_ptr<Surface> surface = display->CreateSurface();
+  EXPECT_TRUE(surface);
+}
+
+TEST_F(DisplayTest, CreateSharedMemory) {
+  scoped_ptr<Display> display(new Display);
+
+  int shm_size = 8192;
+  scoped_ptr<base::SharedMemory> shared_memory(new base::SharedMemory);
+  bool rv = shared_memory->CreateAnonymous(shm_size);
+  ASSERT_TRUE(rv);
+
+  base::SharedMemoryHandle handle =
+      base::SharedMemory::DuplicateHandle(shared_memory->handle());
+  ASSERT_TRUE(base::SharedMemory::IsHandleValid(handle));
+
+  // Creating a shared memory instance from a valid handle should succeed.
+  scoped_ptr<SharedMemory> shm1 = display->CreateSharedMemory(handle, shm_size);
+  EXPECT_TRUE(shm1);
+
+  // Creating a shared memory instance from a invalid handle should fail.
+  scoped_ptr<SharedMemory> shm2 =
+      display->CreateSharedMemory(base::SharedMemoryHandle(), shm_size);
+  EXPECT_FALSE(shm2);
+}
+
+TEST_F(DisplayTest, CreateShellSurface) {
+  scoped_ptr<Display> display(new Display);
+
+  // Create two surfaces.
+  scoped_ptr<Surface> surface1 = display->CreateSurface();
+  EXPECT_TRUE(surface1);
+  scoped_ptr<Surface> surface2 = display->CreateSurface();
+  EXPECT_TRUE(surface2);
+
+  // Create a shell surface for surface1.
+  scoped_ptr<ShellSurface> shell_surface1 =
+      display->CreateShellSurface(surface1.get());
+
+  // Create a shell surface for surface2.
+  scoped_ptr<ShellSurface> shell_surface2 =
+      display->CreateShellSurface(surface2.get());
+}
+
+}  // namespace
+}  // namespace exo