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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
jsbell
2017/05/25 18:49:42
nit: 2017
pwnall
2017/05/25 20:01:11
Done.
Thank you for catching!
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2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "modules/indexeddb/IDBValueWrapping.h" | |
6 | |
7 #include "bindings/core/v8/V8BindingForTesting.h" | |
8 #include "modules/indexeddb/IDBValue.h" | |
9 #include "platform/wtf/PtrUtil.h" | |
10 #include "platform/wtf/RefPtr.h" | |
11 #include "platform/wtf/Vector.h" | |
12 #include "testing/gtest/include/gtest/gtest.h" | |
13 #include "v8/include/v8.h" | |
14 | |
15 namespace blink { | |
16 | |
17 TEST(IDBValueUnwrapperTest, IsWrapped) { | |
18 V8TestingScope scope; | |
19 NonThrowableExceptionState non_throwable_exception_state; | |
20 v8::Local<v8::Value> v8_true = v8::True(scope.GetIsolate()); | |
21 IDBValueWrapper wrapper(scope.GetIsolate(), v8_true, | |
22 SerializedScriptValue::SerializeOptions::kSerialize, | |
23 non_throwable_exception_state); | |
24 wrapper.WrapIfBiggerThan(0); | |
25 Vector<RefPtr<BlobDataHandle>> blob_data_handles; | |
26 wrapper.ExtractBlobDataHandles(&blob_data_handles); | |
27 Vector<WebBlobInfo>& blob_infos = wrapper.WrappedBlobInfo(); | |
28 RefPtr<SharedBuffer> wrapped_marker_buffer = wrapper.ExtractWireBytes(); | |
29 | |
30 RefPtr<IDBValue> wrapped_value = IDBValue::Create( | |
31 wrapped_marker_buffer, | |
32 WTF::MakeUnique<Vector<RefPtr<BlobDataHandle>>>(blob_data_handles), | |
33 WTF::MakeUnique<Vector<WebBlobInfo>>(blob_infos)); | |
34 EXPECT_TRUE(IDBValueUnwrapper::IsWrapped(wrapped_value.Get())); | |
35 | |
36 Vector<char> wrapped_marker_bytes(wrapped_marker_buffer->size()); | |
37 wrapped_marker_buffer->GetAsBytes(wrapped_marker_bytes.data(), | |
38 wrapped_marker_bytes.size()); | |
39 | |
40 // IsWrapped() looks at the first 3 bytes in the value's byte array. | |
41 // Truncating the array to fewer than 3 bytes should cause IsWrapped() to | |
42 // return false. | |
43 ASSERT_LT(3U, wrapped_marker_bytes.size()); | |
44 for (size_t i = 0; i < 3; ++i) { | |
45 RefPtr<IDBValue> mutant_value = IDBValue::Create( | |
46 SharedBuffer::Create(wrapped_marker_bytes.data(), i), | |
47 WTF::MakeUnique<Vector<RefPtr<BlobDataHandle>>>(blob_data_handles), | |
48 WTF::MakeUnique<Vector<WebBlobInfo>>(blob_infos)); | |
49 | |
50 EXPECT_FALSE(IDBValueUnwrapper::IsWrapped(mutant_value.Get())); | |
51 } | |
52 | |
53 // IsWrapped() looks at the first 3 bytes in the value. Flipping any bit in | |
54 // these 3 bytes should cause IsWrapped() to return false. | |
55 ASSERT_LT(3U, wrapped_marker_bytes.size()); | |
56 for (size_t i = 0; i < 3; ++i) { | |
57 for (int j = 0; j < 8; ++j) { | |
58 char mask = 1 << j; | |
59 wrapped_marker_bytes[i] ^= mask; | |
60 RefPtr<IDBValue> mutant_value = IDBValue::Create( | |
61 SharedBuffer::Create(wrapped_marker_bytes.data(), | |
62 wrapped_marker_bytes.size()), | |
63 WTF::MakeUnique<Vector<RefPtr<BlobDataHandle>>>(blob_data_handles), | |
64 WTF::MakeUnique<Vector<WebBlobInfo>>(blob_infos)); | |
65 EXPECT_FALSE(IDBValueUnwrapper::IsWrapped(mutant_value.Get())); | |
jsbell
2017/05/25 18:49:42
All of the IsWrapped tests are either TRUE because
pwnall
2017/05/25 20:01:10
Yes, I need more tests.
I prioritized these tests
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66 | |
67 wrapped_marker_bytes[i] ^= mask; | |
68 } | |
69 } | |
70 } | |
71 | |
72 } // namespace blink | |
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