DataView implementation.

test/cctest/test-api.cc

 // Copyright 2012 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 2724 matching lines @@
   CompileRun(
       "var ab = new ArrayBuffer(1024);"
       "var u8a = new Uint8Array(ab, 1, 1023);"
       "var u8c = new Uint8ClampedArray(ab, 1, 1023);"
       "var i8a = new Int8Array(ab, 1, 1023);"
       "var u16a = new Uint16Array(ab, 2, 511);"
       "var i16a = new Int16Array(ab, 2, 511);"
       "var u32a = new Uint32Array(ab, 4, 255);"
       "var i32a = new Int32Array(ab, 4, 255);"
       "var f32a = new Float32Array(ab, 4, 255);"
-      "var f64a = new Float64Array(ab, 8, 127);");
+      "var f64a = new Float64Array(ab, 8, 127);"
+      "var dv = new DataView(ab, 1, 1023);");
 
   v8::Handle<v8::ArrayBuffer> ab =
       Local<v8::ArrayBuffer>::Cast(CompileRun("ab"));
 
   v8::Handle<v8::Uint8Array> u8a =
       v8::Handle<v8::Uint8Array>::Cast(CompileRun("u8a"));
   v8::Handle<v8::Uint8ClampedArray> u8c =
       v8::Handle<v8::Uint8ClampedArray>::Cast(CompileRun("u8c"));
   v8::Handle<v8::Int8Array> i8a =
       v8::Handle<v8::Int8Array>::Cast(CompileRun("i8a"));
@@ skipping 16 matching lines @@
   CHECK_EQ(0, static_cast<int>(ab->ByteLength()));
   CheckIsNeutered(u8a);
   CheckIsNeutered(u8c);
   CheckIsNeutered(i8a);
   CheckIsNeutered(u16a);
   CheckIsNeutered(i16a);
   CheckIsNeutered(u32a);
   CheckIsNeutered(i32a);
   CheckIsNeutered(f32a);
   CheckIsNeutered(f64a);
+  CHECK(CompileRun("dv.byteLength == 0 && dv.byteOffset == 0")->IsTrue());
 }
 
 
 
 THREADED_TEST(HiddenProperties) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
 
   v8::Local<v8::Object> obj = v8::Object::New();
   v8::Local<v8::String> key = v8_str("api-test::hidden-key");
@@ skipping 16545 matching lines @@
   i::Semaphore* sem_;
   volatile int sem_value_;
 };
 
 
 THREADED_TEST(SemaphoreInterruption) {
   ThreadInterruptTest().RunTest();
 }
 
 #endif  // WIN32