ValueSerializer: Check for no matching ArrayBufferView type being found.

test/unittests/value-serializer-unittest.cc

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/value-serializer.h"
 
 #include <algorithm>
 #include <string>
 
 #include "include/v8.h"
@@ skipping 1966 matching lines @@
       {0xff, 0x09, 0x42, 0x02, 0x00, 0x00, 0x56, 0x42, 0x03, 0x01});
   // Byte offset in range, offset + length out of range.
   InvalidDecodeTest(
       {0xff, 0x09, 0x42, 0x02, 0x00, 0x00, 0x56, 0x42, 0x01, 0x03});
   // Byte offset not divisible by element size.
   InvalidDecodeTest(
       {0xff, 0x09, 0x42, 0x04, 0x00, 0x00, 0x00, 0x00, 0x56, 0x77, 0x01, 0x02});
   // Byte length not divisible by element size.
   InvalidDecodeTest(
       {0xff, 0x09, 0x42, 0x04, 0x00, 0x00, 0x00, 0x00, 0x56, 0x77, 0x02, 0x01});
+  // Invalid view type (0xff).
+  InvalidDecodeTest(
+      {0xff, 0x09, 0x42, 0x02, 0x00, 0x00, 0x56, 0xff, 0x01, 0x01});
 }
 
 TEST_F(ValueSerializerTest, RoundTripDataView) {
   RoundTripTest("new DataView(new ArrayBuffer(4), 1, 2)",
                 [this](Local<Value> value) {
                   ASSERT_TRUE(value->IsDataView());
                   EXPECT_EQ(1, DataView::Cast(*value)->ByteOffset());
                   EXPECT_EQ(2, DataView::Cast(*value)->ByteLength());
                   EXPECT_EQ(4, DataView::Cast(*value)->Buffer()->ByteLength());
                   EXPECT_TRUE(EvaluateScriptForResultBool(
@@ skipping 356 matching lines @@
       "({ a: new ExampleHostObject(), get b() { return this.a; }})",
       [this](Local<Value> value) {
         EXPECT_TRUE(EvaluateScriptForResultBool(
             "result.a instanceof ExampleHostObject"));
         EXPECT_TRUE(EvaluateScriptForResultBool("result.a === result.b"));
       });
 }
 
 }  // namespace
 }  // namespace v8