Combine typed and pixel arrays.

test/cctest/test-api.cc

 // Copyright 2007-2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 10531 matching lines @@
   context->DetachGlobal();
   CHECK_EQ(42, CompileRun("f(this).foo")->Int32Value());
 }
 
 
 THREADED_TEST(PixelArray) {
   v8::HandleScope scope;
   LocalContext context;
   const int kElementCount = 260;
   uint8_t* pixel_data = reinterpret_cast<uint8_t*>(malloc(kElementCount));
-  i::Handle<i::PixelArray> pixels = i::Factory::NewPixelArray(kElementCount,
-                                                              pixel_data);
+  i::Handle<i::ExternalPixelArray> pixels =
+      i::Handle<i::ExternalPixelArray>::cast(
+          i::Factory::NewExternalArray(kElementCount,
+                                       v8::kExternalPixelArray,
+                                       pixel_data));
   i::Heap::CollectAllGarbage(false);  // Force GC to trigger verification.
   for (int i = 0; i < kElementCount; i++) {
     pixels->set(i, i % 256);
   }
   i::Heap::CollectAllGarbage(false);  // Force GC to trigger verification.
   for (int i = 0; i < kElementCount; i++) {
     CHECK_EQ(i % 256, pixels->get(i));
     CHECK_EQ(i % 256, pixel_data[i]);
   }
 
@@ skipping 319 matching lines @@
 
   // Make sure that pixel array loads are optimized by crankshaft.
   result = CompileRun("function pa_load(p) {"
                       "  var sum = 0;"
                       "  for (var i=0; i<256; ++i) {"
                       "    sum += p[i];"
                       "  }"
                       "  return sum; "
                       "}"
                       "for (var i = 0; i < 256; ++i) { pixels[i] = i; }"
-                      "for (var i = 0; i < 10000; ++i) {"
+                      "for (var i = 0; i < 5000; ++i) {"
                       "  result = pa_load(pixels);"
                       "}"
                       "result");
   CHECK_EQ(32640, result->Int32Value());
 
   // Make sure that pixel array stores are optimized by crankshaft.
   result = CompileRun("function pa_init(p) {"
                       "for (var i = 0; i < 256; ++i) { p[i] = i; }"
                       "}"
                       "function pa_load(p) {"
                       "  var sum = 0;"
                       "  for (var i=0; i<256; ++i) {"
                       "    sum += p[i];"
                       "  }"
                       "  return sum; "
                       "}"
-                      "for (var i = 0; i < 100000; ++i) {"
+                      "for (var i = 0; i < 5000; ++i) {"
                       "  pa_init(pixels);"
                       "}"
                       "result = pa_load(pixels);"
                       "result");
   CHECK_EQ(32640, result->Int32Value());
 
   free(pixel_data);
 }
 
 
@@ skipping 27 matching lines @@
   ApiTestFuzzer::Fuzz();
   return v8::Handle<Value>();
 }
 
 
 THREADED_TEST(PixelArrayWithInterceptor) {
   v8::HandleScope scope;
   LocalContext context;
   const int kElementCount = 260;
   uint8_t* pixel_data = reinterpret_cast<uint8_t*>(malloc(kElementCount));
-  i::Handle<i::PixelArray> pixels =
-      i::Factory::NewPixelArray(kElementCount, pixel_data);
+  i::Handle<i::ExternalPixelArray> pixels =
+      i::Handle<i::ExternalPixelArray>::cast(
+          i::Factory::NewExternalArray(kElementCount,
+                                       v8::kExternalPixelArray,
+                                       pixel_data));
   for (int i = 0; i < kElementCount; i++) {
     pixels->set(i, i % 256);
   }
   v8::Handle<v8::ObjectTemplate> templ = v8::ObjectTemplate::New();
   templ->SetIndexedPropertyHandler(NotHandledIndexedPropertyGetter,
                                    NotHandledIndexedPropertySetter);
   v8::Handle<v8::Object> obj = templ->NewInstance();
   obj->SetIndexedPropertiesToPixelData(pixel_data, kElementCount);
   context->Global()->Set(v8_str("pixels"), obj);
   v8::Handle<v8::Value> result = CompileRun("pixels[1]");
   CHECK_EQ(1, result->Int32Value());
   result = CompileRun("var sum = 0;"
                       "for (var i = 0; i < 8; i++) {"
                       "  sum += pixels[i] = pixels[i] = -i;"
                       "}"
                       "sum;");
   CHECK_EQ(-28, result->Int32Value());
   result = CompileRun("pixels.hasOwnProperty('1')");
   CHECK(result->BooleanValue());
   free(pixel_data);
 }
 
 
 static int ExternalArrayElementSize(v8::ExternalArrayType array_type) {
   switch (array_type) {
     case v8::kExternalByteArray:
     case v8::kExternalUnsignedByteArray:
+    case v8::kExternalPixelArray:
       return 1;
       break;
     case v8::kExternalShortArray:
     case v8::kExternalUnsignedShortArray:
       return 2;
       break;
     case v8::kExternalIntArray:
     case v8::kExternalUnsignedIntArray:
     case v8::kExternalFloatArray:
       return 4;
@@ skipping 201 matching lines @@
     CHECK_EQ(0,
              i::Smi::cast(jsobj->GetElement(5)->ToObjectChecked())->value());
 
     result = CompileRun("for (var i = 0; i < 8; i++) {"
                         "  ext_array[i] = 5;"
                         "}"
                         "for (var i = 0; i < 8; i++) {"
                         "  ext_array[i] = Infinity;"
                         "}"
                         "ext_array[5];");
-    CHECK_EQ(0, result->Int32Value());
-    CHECK_EQ(0,
+    int expected_value =
+        (array_type == v8::kExternalPixelArray) ? 255 : 0;
+    CHECK_EQ(expected_value, result->Int32Value());
+    CHECK_EQ(expected_value,
              i::Smi::cast(jsobj->GetElement(5)->ToObjectChecked())->value());
 
     result = CompileRun("for (var i = 0; i < 8; i++) {"
                         "  ext_array[i] = 5;"
                         "}"
                         "for (var i = 0; i < 8; i++) {"
                         "  ext_array[i] = -Infinity;"
                         "}"
                         "ext_array[5];");
     CHECK_EQ(0, result->Int32Value());
     CHECK_EQ(0,
              i::Smi::cast(jsobj->GetElement(5)->ToObjectChecked())->value());
 
     // Check truncation behavior of integral arrays.
     const char* unsigned_data =
         "var source_data = [0.6, 10.6];"
         "var expected_results = [0, 10];";
     const char* signed_data =
         "var source_data = [0.6, 10.6, -0.6, -10.6];"
         "var expected_results = [0, 10, 0, -10];";
+    const char* pixel_data =
+        "var source_data = [0.6, 10.6];"
+        "var expected_results = [1, 11];";
     bool is_unsigned =
         (array_type == v8::kExternalUnsignedByteArray ||
          array_type == v8::kExternalUnsignedShortArray ||
          array_type == v8::kExternalUnsignedIntArray);
+    bool is_pixel_data = array_type == v8::kExternalPixelArray;
 
     i::OS::SNPrintF(test_buf,
                     "%s"
                     "var all_passed = true;"
                     "for (var i = 0; i < source_data.length; i++) {"
                     "  for (var j = 0; j < 8; j++) {"
                     "    ext_array[j] = source_data[i];"
                     "  }"
                     "  all_passed = all_passed &&"
                     "               (ext_array[5] == expected_results[i]);"
                     "}"
                     "all_passed;",
-                    (is_unsigned ? unsigned_data : signed_data));
+                    (is_unsigned ?
+                         unsigned_data :
+                         (is_pixel_data ? pixel_data : signed_data)));
     result = CompileRun(test_buf.start());
     CHECK_EQ(true, result->BooleanValue());
   }
 
   result = CompileRun("ext_array[3] = 33;"
                       "delete ext_array[3];"
                       "ext_array[3];");
   CHECK_EQ(33, result->Int32Value());
 
   result = CompileRun("ext_array[0] = 10; ext_array[1] = 11;"
@@ skipping 110 matching lines @@
 
 
 THREADED_TEST(ExternalUnsignedByteArray) {
   ExternalArrayTestHelper<i::ExternalUnsignedByteArray, uint8_t>(
       v8::kExternalUnsignedByteArray,
       0,
       255);
 }
 
 
+THREADED_TEST(ExternalPixelArray) {
+  ExternalArrayTestHelper<i::ExternalPixelArray, uint8_t>(
+      v8::kExternalPixelArray,
+      0,
+      255);
+}
+
+
 THREADED_TEST(ExternalShortArray) {
   ExternalArrayTestHelper<i::ExternalShortArray, int16_t>(
       v8::kExternalShortArray,
       -32768,
       32767);
 }
 
 
 THREADED_TEST(ExternalUnsignedShortArray) {
   ExternalArrayTestHelper<i::ExternalUnsignedShortArray, uint16_t>(
@@ skipping 57 matching lines @@
 
 
 THREADED_TEST(ExternalArrayInfo) {
   ExternalArrayInfoTestHelper(v8::kExternalByteArray);
   ExternalArrayInfoTestHelper(v8::kExternalUnsignedByteArray);
   ExternalArrayInfoTestHelper(v8::kExternalShortArray);
   ExternalArrayInfoTestHelper(v8::kExternalUnsignedShortArray);
   ExternalArrayInfoTestHelper(v8::kExternalIntArray);
   ExternalArrayInfoTestHelper(v8::kExternalUnsignedIntArray);
   ExternalArrayInfoTestHelper(v8::kExternalFloatArray);
+  ExternalArrayInfoTestHelper(v8::kExternalPixelArray);
 }
 
 
 THREADED_TEST(ScriptContextDependence) {
   v8::HandleScope scope;
   LocalContext c1;
   const char *source = "foo";
   v8::Handle<v8::Script> dep = v8::Script::Compile(v8::String::New(source));
   v8::Handle<v8::Script> indep = v8::Script::New(v8::String::New(source));
   c1->Global()->Set(v8::String::New("foo"), v8::Integer::New(100));
@@ skipping 1420 matching lines @@
   v8::Handle<v8::Function> define_property =
       CompileRun("(function() {"
                  "  Object.defineProperty("
                  "    this,"
                  "    1,"
                  "    { configurable: true, enumerable: true, value: 3 });"
                  "})").As<Function>();
   context->DetachGlobal();
   define_property->Call(proxy, 0, NULL);
 }