Cloning a bunch of stuff from the native_client repository at r6528

ppapi/native_client/tests/ppapi_browser/ppb_scrollbar/ppapi_ppb_scrollbar.cc

+// Copyright (c) 2011 The Native Client 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 <string.h>
+
+#include "native_client/src/include/nacl_macros.h"
+#include "native_client/src/shared/platform/nacl_check.h"
+#include "native_client/tests/ppapi_test_lib/get_browser_interface.h"
+#include "native_client/tests/ppapi_test_lib/test_interface.h"
+#include "ppapi/c/dev/ppb_scrollbar_dev.h"
+#include "ppapi/c/pp_bool.h"
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/c/pp_rect.h"
+#include "ppapi/c/ppb_core.h"
+#include "ppapi/c/ppb_image_data.h"
+#include "ppapi/c/ppp_messaging.h"
+
+namespace {
+
+const PP_Bool kVertical = PP_TRUE;
+
+// Test PPB_Scrollbar_Dev::Create() and PPB_Scrollbar_Dev::IsScrollbar().
+void TestCreate() {
+  // Create a vertical scrollbar.
+  PP_Resource scrollbar = PPBScrollbarDev()->Create(pp_instance(),
+                                                    kVertical);
+  EXPECT(scrollbar != kInvalidResource);
+  EXPECT(PPBScrollbarDev()->IsScrollbar(scrollbar));
+  PPBCore()->ReleaseResource(scrollbar);
+
+  // Create a horizontal scrollbar.
+  scrollbar = PPBScrollbarDev()->Create(pp_instance(),
+                                        PP_FALSE);  // vertical
+  EXPECT(scrollbar != kInvalidResource);
+  EXPECT(PPBScrollbarDev()->IsScrollbar(scrollbar));
+  PPBCore()->ReleaseResource(scrollbar);
+
+  // Test that an invalid instance causes failure.
+  scrollbar = PPBScrollbarDev()->Create(kInvalidInstance,
+                                        PP_TRUE);  // vertical
+  EXPECT(scrollbar == kInvalidResource);
+  EXPECT(!PPBScrollbarDev()->IsScrollbar(scrollbar));
+
+  TEST_PASSED;
+}
+
+// Test PPB_Scrollbar_Dev::GetThickness().
+void TestGetThickness() {
+  // Thickness is a platform-defined constant; about all we can assume is
+  // that it is greater than 0.
+  PP_Resource scrollbar = PPBScrollbarDev()->Create(pp_instance(),
+                                                    kVertical);
+  uint32_t thickness = PPBScrollbarDev()->GetThickness(scrollbar);
+  EXPECT(thickness > 0);
+
+  PPBCore()->ReleaseResource(scrollbar);
+
+  TEST_PASSED;
+}
+
+// Test PPB_Scrollbar_Dev::GetValue(), PPB_Scrollbar_Dev::SetValue().
+void TestValue() {
+  // Test that initial value is 0.
+  PP_Resource scrollbar = PPBScrollbarDev()->Create(pp_instance(),
+                                                    kVertical);
+  uint32_t value = PPBScrollbarDev()->GetValue(scrollbar);
+  EXPECT(value == 0);
+
+  // Set document size to expand value range.
+  // TODO(bbudge) Refine tests once issues with scrollbar size/value are
+  // worked out. http://code.google.com/p/chromium/issues/detail?id=89367
+  PPBScrollbarDev()->SetDocumentSize(scrollbar, 100);
+  PPBScrollbarDev()->SetValue(scrollbar, 10);
+  value = PPBScrollbarDev()->GetValue(scrollbar);
+  EXPECT(value == 10);
+
+  PPBScrollbarDev()->SetValue(scrollbar, 0);
+  value = PPBScrollbarDev()->GetValue(scrollbar);
+  EXPECT(value == 0);
+
+  PPBCore()->ReleaseResource(scrollbar);
+
+  TEST_PASSED;
+}
+
+// Test PPB_Scrollbar_Dev::SetDocumentSize(). This only effects scrollbar
+// appearance, so it should be verified visually.
+void TestSetDocumentSize() {
+  PP_Resource scrollbar = PPBScrollbarDev()->Create(pp_instance(),
+                                                    kVertical);
+  PPBScrollbarDev()->SetDocumentSize(scrollbar, 100);
+  PPBCore()->ReleaseResource(scrollbar);
+
+  TEST_PASSED;
+}
+
+// Test PPB_Scrollbar_Dev::ScrollBy().
+void TestScrollBy() {
+  PP_Resource scrollbar = PPBScrollbarDev()->Create(pp_instance(),
+                                                    kVertical);
+  // Set document size to expand value range.
+  // TODO(bbudge) Refine tests once issues with scrollbar size/value are
+  // worked out. http://code.google.com/p/chromium/issues/detail?id=89367
+  PPBScrollbarDev()->SetDocumentSize(scrollbar, 100);
+  PPBScrollbarDev()->ScrollBy(scrollbar, PP_SCROLLBY_PIXEL, 10);
+  uint32_t value = PPBScrollbarDev()->GetValue(scrollbar);
+  EXPECT(value == 10);
+  PPBCore()->ReleaseResource(scrollbar);
+
+  TEST_PASSED;
+}
+
+// Test PPB_Scrollbar_Dev::SetTickMarks(). This only effects scrollbar
+// appearance, so it should be verified visually.
+void TestSetTickMarks() {
+  PP_Resource scrollbar = PPBScrollbarDev()->Create(pp_instance(),
+                                                    kVertical);
+  uint32_t thickness = PPBScrollbarDev()->GetThickness(scrollbar);
+  const int32_t kCount = 2;
+  PP_Rect tick_marks[kCount] = {
+      { {0, 0}, {thickness, 1} },
+      { {10, 10}, {thickness, 1} } };
+  PPBScrollbarDev()->SetTickMarks(scrollbar, tick_marks, kCount);
+  // Make sure we can handle an empty array.
+  PPBScrollbarDev()->SetTickMarks(scrollbar, NULL, 0);
+  PPBCore()->ReleaseResource(scrollbar);
+
+  TEST_PASSED;
+}
+
+}  // namespace
+
+void SetupTests() {
+  RegisterTest("TestCreate", TestCreate);
+  RegisterTest("TestGetThickness", TestGetThickness);
+  RegisterTest("TestValue", TestValue);
+  RegisterTest("TestSetDocumentSize", TestSetDocumentSize);
+  RegisterTest("TestSetTickMarks", TestSetTickMarks);
+  RegisterTest("TestScrollBy", TestScrollBy);
+}
+
+void SetupPluginInterfaces() {
+}
+