Add new MouseCursor interface for setting the mouse cursor.

ppapi/tests/test_mouse_cursor.cc

+// Copyright (c) 2012 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 "ppapi/tests/test_mouse_cursor.h"
+
+#include "ppapi/cpp/image_data.h"
+#include "ppapi/tests/test_case.h"
+#include "ppapi/tests/testing_instance.h"
+
+REGISTER_TEST_CASE(MouseCursor);
+
+TestMouseCursor::TestMouseCursor(TestingInstance* instance)
+    : TestCase(instance) {
+}
+
+bool TestMouseCursor::Init() {
+  mouse_cursor_interface_ = static_cast<const PPB_MouseCursor*>(
+      pp::Module::Get()->GetBrowserInterface(PPB_MOUSECURSOR_INTERFACE));
+  return !!mouse_cursor_interface_;
+}
+
+void TestMouseCursor::RunTests(const std::string& filter) {
+  RUN_TEST(InvalidType, filter);
+  RUN_TEST(InvalidImage, filter);
+  RUN_TEST(InvalidPoint, filter);
+}
+
+std::string TestMouseCursor::TestInvalidType() {

[dmichael (off chromium), 2012/03/26 17:43:17]

name nit: you are testing a valid type also <shrug/>

TestCursorType?

+  ASSERT_TRUE(PP_ToBool(mouse_cursor_interface_->SetCursor(
+      instance_->pp_instance(), PP_MOUSECURSOR_TYPE_POINTER, 0, NULL)));
+  ASSERT_FALSE(PP_ToBool(mouse_cursor_interface_->SetCursor(
+      instance_->pp_instance(), static_cast<PP_MouseCursor_Type>(-2),
+      0, NULL)));
+  PASS();
+}
+
+std::string TestMouseCursor::TestInvalidImage() {

[dmichael (off chromium), 2012/03/26 17:43:17]

ditto, could be TestCustom (or similar)

+  // First test a valid image.
+  pp::ImageData valid_image(instance_,
+                            pp::ImageData::GetNativeImageDataFormat(),
+                            pp::Size(16, 16), true);
+  PP_Point point = { 0, 0 };
+  ASSERT_TRUE(PP_ToBool(mouse_cursor_interface_->SetCursor(
+      instance_->pp_instance(), PP_MOUSECURSOR_TYPE_CUSTOM,
+      valid_image.pp_resource(), &point)));
+
+  // 0 image resource ID.
+  ASSERT_FALSE(PP_ToBool(mouse_cursor_interface_->SetCursor(
+      instance_->pp_instance(), PP_MOUSECURSOR_TYPE_CUSTOM, 0, NULL)));
+
+  // Image specified for predefined type.
+  ASSERT_FALSE(PP_ToBool(mouse_cursor_interface_->SetCursor(
+      instance_->pp_instance(), PP_MOUSECURSOR_TYPE_POINTER,
+      valid_image.pp_resource(), &point)));
+
+  // A too-big image.
+  pp::ImageData big_image(instance_, pp::ImageData::GetNativeImageDataFormat(),
+                            pp::Size(65, 12), true);
+  ASSERT_FALSE(PP_ToBool(mouse_cursor_interface_->SetCursor(
+      instance_->pp_instance(), PP_MOUSECURSOR_TYPE_CUSTOM,
+      big_image.pp_resource(), &point)));
+
+  PASS();
+}
+
+std::string TestMouseCursor::TestInvalidPoint() {
+  pp::ImageData valid_image(instance_,
+                            pp::ImageData::GetNativeImageDataFormat(),
+                            pp::Size(16, 16), true);
+  PP_Point point = { -1, 0 };
+  ASSERT_FALSE(PP_ToBool(mouse_cursor_interface_->SetCursor(
+      instance_->pp_instance(), PP_MOUSECURSOR_TYPE_CUSTOM,
+      valid_image.pp_resource(), &point)));
+
+  point.x = 67;
+  point.y = 5;
+  ASSERT_FALSE(PP_ToBool(mouse_cursor_interface_->SetCursor(
+      instance_->pp_instance(), PP_MOUSECURSOR_TYPE_CUSTOM,
+      valid_image.pp_resource(), &point)));
+  PASS();
+}