Use ByteArray's native for Socket and File.

runtime/vm/dart_api_impl_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_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_state.h"
 #include "vm/thread.h"
@@ skipping 645 matching lines @@
   Dart_ObjectEquals(obj1, obj2, &is_equal);
   EXPECT(!is_equal);
 
   for (intptr_t i = 0; i < 10; ++i) {
     Dart_Handle e1 = Dart_ListGetAt(obj1, i);
     Dart_Handle e2 = Dart_ListGetAt(obj2, i);
     is_equal = false;
     Dart_ObjectEquals(e1, e2, &is_equal);
     EXPECT(is_equal);
   }
+
+  uint8_t data[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
+  result = Dart_ListSetAsBytes(obj1, 0, data, 10);
+  EXPECT_VALID(result);
+  for (intptr_t i = 0; i < 10; ++i) {
+    Dart_Handle e = Dart_ListGetAt(obj1, i);
+    int64_t value;
+    result = Dart_IntegerToInt64(e, &value);
+    EXPECT_VALID(result);
+    EXPECT_EQ(i, value);
+  }
+
+  for (intptr_t i = 0; i < 10; ++i) {
+    result = Dart_ListSetAt(obj1, i, Dart_NewInteger(10 - i));
+    EXPECT_VALID(result);
+  }
+  Dart_ListGetAsBytes(obj1, 0, data, 10);
+  for (intptr_t i = 0; i < 10; ++i) {
+    Dart_Handle e = Dart_ListGetAt(obj1, i);
+    int64_t value;
+    result = Dart_IntegerToInt64(e, &value);
+    EXPECT_VALID(result);
+    EXPECT_EQ(10 - i, value);
+  }
 }
 
 #endif
 
 
 // Unit test for entering a scope, creating a local handle and exiting
 // the scope.
 UNIT_TEST_CASE(EnterExitScope) {
   TestIsolateScope __test_isolate__;
 
@@ skipping 2376 matching lines @@
   // We should have received the expected number of interrupts.
   EXPECT_EQ(kInterruptCount, interrupt_count);
 
   // Give the spawned thread enough time to properly exit.
   Isolate::SetInterruptCallback(saved);
 }
 
 #endif  // defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_X64).
 
 }  // namespace dart