Add support for typed data views on native threads

runtime/vm/snapshot_test.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "include/dart_debugger_api.h"
 #include "platform/assert.h"
 #include "vm/bigint_operations.h"
 #include "vm/class_finalizer.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_message.h"
@@ skipping 1782 matching lines @@
       "  var list = new List(kArrayLength);\n"
       "  for (var i = 0; i < kArrayLength; i++) list[i] = bigint;\n"
       "  return list;\n"
       "}\n"
       "getDoubleList() {\n"
       "  var d = 3.14;\n"
       "  var list = new List<double>(kArrayLength);\n"
       "  for (var i = 0; i < kArrayLength; i++) list[i] = d;\n"
       "  return list;\n"
       "}\n"
-      "getByteArrayList() {\n"
+      "getTypedDataList() {\n"
       "  var byte_array = new Uint8List(256);\n"
       "  var list = new List(kArrayLength);\n"
       "  for (var i = 0; i < kArrayLength; i++) list[i] = byte_array;\n"
       "  return list;\n"
       "}\n"
+      "getTypedDataViewList() {\n"
+      "  var uint8_list = new Uint8List(256);\n"
+      "  uint8_list[64] = 1;\n"
+      "  var uint8_list_view =\n"
+      "      new Uint8List.view(uint8_list.buffer, 64, 128);\n"
+      "  var list = new List(kArrayLength);\n"
+      "  for (var i = 0; i < kArrayLength; i++) list[i] = uint8_list_view;\n"
+      "  return list;\n"
+      "}\n"
       "getMixedList() {\n"
       "  var list = new List(kArrayLength);\n"
       "  for (var i = 0; i < kArrayLength; i++) {\n"
       "    list[i] = ((i % 2) == 0) ? 'A' : 2.72;\n"
       "  }\n"
       "  return list;\n"
       "}\n"
       "getSelfRefList() {\n"
       "  var list = new List(kArrayLength);\n"
       "  for (var i = 0; i < kArrayLength; i++) {\n"
@@ skipping 64 matching lines @@
       EXPECT_EQ(Dart_CObject::kArray, root->type);
       EXPECT_EQ(kArrayLength, root->value.as_array.length);
       for (int i = 0; i < kArrayLength; i++) {
         Dart_CObject* element = root->value.as_array.values[i];
         EXPECT_EQ(root->value.as_array.values[0], element);
         EXPECT_EQ(Dart_CObject::kDouble, element->type);
         EXPECT_EQ(3.14, element->value.as_double);
       }
     }
     {
-      // Generate a list of doubles from Dart code.
+      // Generate a list of Uint8Lists from Dart code.
       ApiNativeScope scope;
-      Dart_CObject* root = GetDeserializedDartMessage(lib, "getByteArrayList");
+      Dart_CObject* root = GetDeserializedDartMessage(lib, "getTypedDataList");
       EXPECT_NOTNULL(root);
       EXPECT_EQ(Dart_CObject::kArray, root->type);
       EXPECT_EQ(kArrayLength, root->value.as_array.length);
       for (int i = 0; i < kArrayLength; i++) {
         Dart_CObject* element = root->value.as_array.values[i];
         EXPECT_EQ(root->value.as_array.values[0], element);
         EXPECT_EQ(Dart_CObject::kUint8Array, element->type);
         EXPECT_EQ(256, element->value.as_byte_array.length);
       }
     }
     {
+      // Generate a list of Uint8List views from Dart code.
+      ApiNativeScope scope;
+      Dart_CObject* root =
+          GetDeserializedDartMessage(lib, "getTypedDataViewList");
+      EXPECT_NOTNULL(root);
+      EXPECT_EQ(Dart_CObject::kArray, root->type);
+      EXPECT_EQ(kArrayLength, root->value.as_array.length);
+      for (int i = 0; i < kArrayLength; i++) {
+        Dart_CObject* element = root->value.as_array.values[i];
+        EXPECT_EQ(root->value.as_array.values[0], element);
+        EXPECT_EQ(Dart_CObject::kUint8Array, element->type);
+        EXPECT_EQ(128, element->value.as_byte_array.length);
+        EXPECT_EQ(1, element->value.as_byte_array.values[0]);
+        EXPECT_EQ(0, element->value.as_byte_array.values[1]);
+      }
+    }
+    {
       // Generate a list of objects of different types from Dart code.
       ApiNativeScope scope;
       Dart_CObject* root = GetDeserializedDartMessage(lib, "getMixedList");
       EXPECT_NOTNULL(root);
       EXPECT_EQ(Dart_CObject::kArray, root->type);
       EXPECT_EQ(kArrayLength, root->value.as_array.length);
       for (int i = 0; i < kArrayLength; i++) {
         Dart_CObject* element = root->value.as_array.values[i];
         if ((i % 2) == 0) {
           EXPECT_EQ(root->value.as_array.values[0], element);
@@ skipping 49 matching lines @@
       "}\n"
       "getDoubleList() {\n"
       "  var d = 3.14;\n"
       "  var list = [3.14, 3.14, 3.14, 3.14, 3.14, 3.14];\n"
       "  list.add(3.14);;\n"
       "  list.add(3.14);;\n"
       "  list.add(3.14);;\n"
       "  list.add(3.14);;\n"
       "  return list;\n"
       "}\n"
-      "getByteArrayList() {\n"
+      "getTypedDataList() {\n"
       "  var byte_array = new Uint8List(256);\n"
       "  var list = [];\n"
       "  for (var i = 0; i < kArrayLength; i++) {\n"
       "    list.add(byte_array);\n"
       "  }\n"
       "  return list;\n"
       "}\n"
+      "getTypedDataViewList() {\n"
+      "  var uint8_list = new Uint8List(256);\n"
+      "  uint8_list[64] = 1;\n"
+      "  var uint8_list_view =\n"
+      "      new Uint8List.view(uint8_list.buffer, 64, 128);\n"
+      "  var list = [];\n"
+      "  for (var i = 0; i < kArrayLength; i++) {\n"
+      "    list.add(uint8_list_view);\n"
+      "  }\n"
+      "  return list;\n"
+      "}\n"
       "getMixedList() {\n"
       "  var list = [];\n"
       "  for (var i = 0; i < kArrayLength; i++) {\n"
       "    list.add(((i % 2) == 0) ? '.' : 2.72);\n"
       "  }\n"
       "  return list;\n"
       "}\n"
       "getSelfRefList() {\n"
       "  var list = [];\n"
       "  for (var i = 0; i < kArrayLength; i++) {\n"
       "    list.add(list);\n"
       "  }\n"
       "  return list;\n"
       "}\n";
 
   TestCase::CreateTestIsolate();
   Isolate* isolate = Isolate::Current();
   EXPECT(isolate != NULL);
   Dart_EnterScope();
 
   Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
   EXPECT_VALID(lib);
 
   {
     DARTSCOPE(isolate);
-
     {
       // Generate a list of strings from Dart code.
       ApiNativeScope scope;
       Dart_CObject* root = GetDeserializedDartMessage(lib, "getStringList");
       EXPECT_NOTNULL(root);
       EXPECT_EQ(Dart_CObject::kArray, root->type);
       EXPECT_EQ(kArrayLength, root->value.as_array.length);
       for (int i = 0; i < kArrayLength; i++) {
         Dart_CObject* element = root->value.as_array.values[i];
         EXPECT_EQ(root->value.as_array.values[0], element);
@@ skipping 38 matching lines @@
       EXPECT_EQ(Dart_CObject::kArray, root->type);
       EXPECT_EQ(kArrayLength, root->value.as_array.length);
       for (int i = 0; i < kArrayLength; i++) {
         Dart_CObject* element = root->value.as_array.values[i];
         EXPECT_EQ(root->value.as_array.values[0], element);
         EXPECT_EQ(Dart_CObject::kDouble, element->type);
         EXPECT_EQ(3.14, element->value.as_double);
       }
     }
     {
-      // Generate a list of doubles from Dart code.
+      // Generate a list of Uint8Lists from Dart code.
       ApiNativeScope scope;
-      Dart_CObject* root = GetDeserializedDartMessage(lib, "getByteArrayList");
+      Dart_CObject* root = GetDeserializedDartMessage(lib, "getTypedDataList");
       EXPECT_NOTNULL(root);
       EXPECT_EQ(Dart_CObject::kArray, root->type);
       EXPECT_EQ(kArrayLength, root->value.as_array.length);
       for (int i = 0; i < kArrayLength; i++) {
         Dart_CObject* element = root->value.as_array.values[i];
         EXPECT_EQ(root->value.as_array.values[0], element);
         EXPECT_EQ(Dart_CObject::kUint8Array, element->type);
         EXPECT_EQ(256, element->value.as_byte_array.length);
       }
     }
     {
+      // Generate a list of Uint8List views from Dart code.
+      ApiNativeScope scope;
+      Dart_CObject* root =
+          GetDeserializedDartMessage(lib, "getTypedDataViewList");
+      EXPECT_NOTNULL(root);
+      EXPECT_EQ(Dart_CObject::kArray, root->type);
+      EXPECT_EQ(kArrayLength, root->value.as_array.length);
+      for (int i = 0; i < kArrayLength; i++) {
+        Dart_CObject* element = root->value.as_array.values[i];
+        EXPECT_EQ(root->value.as_array.values[0], element);
+        EXPECT_EQ(Dart_CObject::kUint8Array, element->type);
+        EXPECT_EQ(128, element->value.as_byte_array.length);
+        EXPECT_EQ(1, element->value.as_byte_array.values[0]);
+        EXPECT_EQ(0, element->value.as_byte_array.values[1]);
+      }
+    }
+    {
       // Generate a list of objects of different types from Dart code.
       ApiNativeScope scope;
       Dart_CObject* root = GetDeserializedDartMessage(lib, "getMixedList");
       EXPECT_NOTNULL(root);
       EXPECT_EQ(Dart_CObject::kArray, root->type);
       EXPECT_EQ(kArrayLength, root->value.as_array.length);
       for (int i = 0; i < kArrayLength; i++) {
         Dart_CObject* element = root->value.as_array.values[i];
         if ((i % 2) == 0) {
           EXPECT_EQ(root->value.as_array.values[0], element);
@@ skipping 118 matching lines @@
   EXPECT(Dart_ErrorHasException(result));
   EXPECT_SUBSTRING("Exception: nulltruefalse123456æøå3.14[]100123456789\n",
                    Dart_GetError(result));
 
   Dart_ExitScope();
 }
 
 #endif  // defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_X64).
 
 }  // namespace dart