ppapi/native_client/tests/ppapi_test_lib/test_interface.cc

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ppapi/native_client/tests/ppapi_test_lib/test_interface.h"
   6
   7 #include <string.h>
   8 #include <map>
   9 #include <new>
  10
  11 #include "native_client/src/include/nacl_macros.h"
  12 #include "native_client/src/shared/platform/nacl_check.h"
  13
  14 #include "ppapi/c/pp_instance.h"
  15 #include "ppapi/c/pp_module.h"
  16 #include "ppapi/c/pp_size.h"
  17 #include "ppapi/c/pp_rect.h"
  18 #include "ppapi/c/pp_var.h"
  19 #include "ppapi/c/ppb_core.h"
  20 #include "ppapi/c/ppb_graphics_2d.h"
  21 #include "ppapi/c/ppb_image_data.h"
  22 #include "ppapi/c/ppb_instance.h"
  23 #include "ppapi/c/ppb_messaging.h"
  24 #include "ppapi/c/ppb_var.h"
  25 #include "ppapi/c/dev/ppb_testing_dev.h"
  26
  27 #include "ppapi/native_client/tests/ppapi_test_lib/get_browser_interface.h"
  28 #include "ppapi/native_client/tests/ppapi_test_lib/internal_utils.h"
  29
  30 void PostTestMessage(nacl::string test_name, nacl::string message) {
  31   nacl::string test_message = test_name;
  32   test_message += ":";
  33   test_message += message;
  34   PP_Var post_var = PPBVar()->VarFromUtf8(test_message.c_str(),
  35                                           test_message.size());
  36   PPBMessaging()->PostMessage(pp_instance(), post_var);
  37   PPBVar()->Release(post_var);
  38 }
  39
  40 PP_Var PP_MakeString(const char* s) {
  41   return PPBVar()->VarFromUtf8(s, strlen(s));
  42 }
  43
  44 nacl::string StringifyVar(const PP_Var& var) {
  45   uint32_t dummy_size;
  46   switch (var.type) {
  47     default:
  48      return "<UNKNOWN>" +  toString(var.type);
  49     case  PP_VARTYPE_NULL:
  50       return "<NULL>";
  51     case  PP_VARTYPE_BOOL:
  52      return "<BOOL>" + toString(var.value.as_bool);
  53     case  PP_VARTYPE_INT32:
  54      return "<INT32>" + toString(var.value.as_int);
  55     case  PP_VARTYPE_DOUBLE:
  56      return "<DOUBLE>" + toString(var.value.as_double);
  57     case PP_VARTYPE_STRING:
  58      return "<STRING>" + nacl::string(PPBVar()->VarToUtf8(var, &dummy_size));
  59   }
  60 }
  61
  62 ////////////////////////////////////////////////////////////////////////////////
  63 // Test registration
  64 ////////////////////////////////////////////////////////////////////////////////
  65
  66 namespace {
  67
  68 class TestTable {
  69  public:
  70   // Return singleton intsance.
  71   static TestTable* Get() {
  72     static TestTable table;
  73     return &table;
  74   }
  75
  76   void AddTest(nacl::string test_name, TestFunction test_function) {
  77     test_map_[test_name] = test_function;
  78   }
  79   void RunTest(nacl::string test_name);
  80
  81  private:
  82   NACL_DISALLOW_COPY_AND_ASSIGN(TestTable);
  83
  84   TestTable() {}
  85
  86   typedef std::map<nacl::string, TestFunction> TestMap;
  87   TestMap test_map_;
  88 };
  89
  90 void TestTable::RunTest(nacl::string test_name) {
  91   TestMap::iterator it = test_map_.find(test_name);
  92   if (it == test_map_.end()) {
  93     PostTestMessage(test_name, "NOTFOUND");
  94     return;
  95   }
  96   CHECK(it->second != NULL);
  97   TestFunction test_function = it->second;
  98   return test_function();
  99 }
 100
 101 }  // namespace
 102
 103 void RegisterTest(nacl::string test_name, TestFunction test_func) {
 104   TestTable::Get()->AddTest(test_name, test_func);
 105 }
 106
 107 void RunTest(nacl::string test_name) {
 108   TestTable::Get()->RunTest(test_name);
 109 }
 110
 111 ////////////////////////////////////////////////////////////////////////////////
 112 // Testable callback support
 113 ////////////////////////////////////////////////////////////////////////////////
 114
 115 namespace {
 116
 117 struct CallbackInfo {
 118   nacl::string callback_name;
 119   PP_CompletionCallback user_callback;
 120 };
 121
 122 void ReportCallbackInvocationToJS(const char* callback_name) {
 123   PP_Var callback_var = PPBVar()->VarFromUtf8(callback_name,
 124                                               strlen(callback_name));
 125   // Report using postmessage for async tests.
 126   PPBMessaging()->PostMessage(pp_instance(), callback_var);
 127   PPBVar()->Release(callback_var);
 128 }
 129
 130 void CallbackWrapper(void* user_data, int32_t result) {
 131   CallbackInfo* callback_info = reinterpret_cast<CallbackInfo*>(user_data);
 132   PP_RunCompletionCallback(&callback_info->user_callback, result);
 133   ReportCallbackInvocationToJS(callback_info->callback_name.c_str());
 134   delete callback_info;
 135 }
 136
 137 }  // namespace
 138
 139 PP_CompletionCallback MakeTestableCompletionCallback(
 140     const char* callback_name,  // Tested for by JS harness.
 141     PP_CompletionCallback_Func func,
 142     void* user_data) {
 143   CHECK(callback_name != NULL && strlen(callback_name) > 0);
 144   CHECK(func != NULL);
 145
 146   CallbackInfo* callback_info = new(std::nothrow) CallbackInfo;
 147   CHECK(callback_info != NULL);
 148   callback_info->callback_name = callback_name;
 149   callback_info->user_callback =
 150     PP_MakeOptionalCompletionCallback(func, user_data);
 151
 152   return PP_MakeOptionalCompletionCallback(CallbackWrapper, callback_info);
 153 }
 154
 155 PP_CompletionCallback MakeTestableCompletionCallback(
 156     const char* callback_name,  // Tested for by JS harness.
 157     PP_CompletionCallback_Func func) {
 158   return MakeTestableCompletionCallback(callback_name, func, NULL);
 159 }
 160
 161
 162 ////////////////////////////////////////////////////////////////////////////////
 163 // PPAPI Helpers
 164 ////////////////////////////////////////////////////////////////////////////////
 165
 166 bool IsSizeInRange(PP_Size size, PP_Size min_size, PP_Size max_size) {
 167   return (min_size.width <= size.width && size.width <= max_size.width &&
 168           min_size.height <= size.height && size.height <= max_size.height);
 169 }
 170
 171 bool IsSizeEqual(PP_Size size, PP_Size expected) {
 172   return (size.width == expected.width && size.height == expected.height);
 173 }
 174
 175 bool IsRectEqual(PP_Rect position, PP_Rect expected) {
 176   return (position.point.x == expected.point.x &&
 177           position.point.y == expected.point.y &&
 178           IsSizeEqual(position.size, expected.size));
 179 }
 180
 181 uint32_t FormatColor(PP_ImageDataFormat format, ColorPremul color) {
 182   if (format == PP_IMAGEDATAFORMAT_BGRA_PREMUL)
 183     return (color.A << 24) | (color.R << 16) | (color.G << 8) | (color.B);
 184   else if (format == PP_IMAGEDATAFORMAT_RGBA_PREMUL)
 185     return (color.A << 24) | (color.B << 16) | (color.G << 8) | (color.R);
 186   else
 187     NACL_NOTREACHED();
 188 }
 189
 190 PP_Resource CreateImageData(PP_Size size, ColorPremul pixel_color, void** bmp) {
 191   PP_ImageDataFormat image_format = PPBImageData()->GetNativeImageDataFormat();
 192   uint32_t formatted_pixel_color = FormatColor(image_format, pixel_color);
 193   PP_Resource image_data = PPBImageData()->Create(
 194       pp_instance(), image_format, &size, PP_TRUE /*init_to_zero*/);
 195   CHECK(image_data != kInvalidResource);
 196   PP_ImageDataDesc image_desc;
 197   CHECK(PPBImageData()->Describe(image_data, &image_desc) == PP_TRUE);
 198   *bmp = NULL;
 199   *bmp = PPBImageData()->Map(image_data);
 200   CHECK(*bmp != NULL);
 201   uint32_t* bmp_words = static_cast<uint32_t*>(*bmp);
 202   int num_pixels = image_desc.stride / kBytesPerPixel * image_desc.size.height;
 203   for (int i = 0; i < num_pixels; i++)
 204     bmp_words[i] = formatted_pixel_color;
 205   return image_data;
 206 }
 207
 208 bool IsImageRectOnScreen(PP_Resource graphics2d,
 209                          PP_Point origin,
 210                          PP_Size size,
 211                          ColorPremul color) {
 212   PP_Size size2d;
 213   PP_Bool dummy;
 214   CHECK(PP_TRUE == PPBGraphics2D()->Describe(graphics2d, &size2d, &dummy));
 215
 216   void* bitmap = NULL;
 217   PP_Resource image = CreateImageData(size2d, kOpaqueBlack, &bitmap);
 218
 219   PP_ImageDataDesc image_desc;
 220   CHECK(PP_TRUE == PPBImageData()->Describe(image, &image_desc));
 221   int32_t stride = image_desc.stride / kBytesPerPixel;  // width + padding.
 222   uint32_t expected_color = FormatColor(image_desc.format, color);
 223   CHECK(origin.x >= 0 && origin.y >= 0 &&
 224         (origin.x + size.width) <= stride &&
 225         (origin.y + size.height) <= image_desc.size.height);
 226
 227   CHECK(PP_TRUE == PPBTestingDev()->ReadImageData(graphics2d, image, &kOrigin));
 228   bool found_error = false;
 229   for (int y = origin.y; y < origin.y + size.height && !found_error; y++) {
 230     for (int x = origin.x; x < origin.x + size.width && !found_error; x++) {
 231       uint32_t pixel_color = static_cast<uint32_t*>(bitmap)[stride * y + x];
 232       found_error = (pixel_color != expected_color);
 233     }
 234   }
 235
 236   PPBCore()->ReleaseResource(image);
 237   return !found_error;
 238 }