Throw on range error when creating a string via API.

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 21896 matching lines @@
                    "bar2.js");
 }
 
 
 TEST(StreamingScriptWithSourceMappingURLInTheMiddle) {
   const char* chunks[] = {"function foo() { ret", "urn 13; }\n//#",
                           " sourceMappingURL=bar2.js\n", "foo();", NULL};
   RunStreamingTest(chunks, v8::ScriptCompiler::StreamedSource::UTF8, true, NULL,
                    "bar2.js");
 }
+
+
+TEST(NewStringRangeError) {
+  v8::Isolate* isolate = CcTest::isolate();
+  v8::HandleScope handle_scope(isolate);
+  LocalContext env;
+  const int length = i::String::kMaxLength + 1;
+  const int buffer_size = length * sizeof(uint16_t);
+  void* buffer = malloc(buffer_size);
+  memset(buffer, 'A', buffer_size);
+  {
+    v8::TryCatch try_catch;
+    char* data = reinterpret_cast<char*>(buffer);
+    CHECK(v8::String::NewFromUtf8(isolate, data, v8::String::kNormalString,
+                                  length).IsEmpty());
+    CHECK(try_catch.HasCaught());
+  }
+  {
+    v8::TryCatch try_catch;
+    uint8_t* data = reinterpret_cast<uint8_t*>(buffer);
+    CHECK(v8::String::NewFromOneByte(isolate, data, v8::String::kNormalString,
+                                     length).IsEmpty());
+    CHECK(try_catch.HasCaught());
+  }
+  {
+    v8::TryCatch try_catch;
+    uint16_t* data = reinterpret_cast<uint16_t*>(buffer);
+    CHECK(v8::String::NewFromTwoByte(isolate, data, v8::String::kNormalString,
+                                     length).IsEmpty());
+    CHECK(try_catch.HasCaught());
+  }
+  free(buffer);
+}