1// Copyright 2013 The Chromium Authors. All rights reserved.
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 <vector>
6
7#include "base/basictypes.h"
8#include "base/memory/scoped_vector.h"
9#include "base/strings/string16.h"
10#include "content/common/indexed_db/indexed_db_key.h"
11#include "testing/gtest/include/gtest/gtest.h"
12
13namespace content {
14
15namespace {
16
17TEST(IndexedDBKeyTest, KeySizeEstimates) {
18  std::vector<IndexedDBKey> keys;
19  std::vector<size_t> estimates;
20
21  keys.push_back(IndexedDBKey());
22  estimates.push_back(16u);  // Overhead.
23
24  keys.push_back(IndexedDBKey(blink::WebIDBKeyTypeNull));
25  estimates.push_back(16u);
26
27  double number = 3.14159;
28  keys.push_back(IndexedDBKey(number, blink::WebIDBKeyTypeNumber));
29  estimates.push_back(24u);  // Overhead + sizeof(double).
30
31  double date = 1370884329.0;
32  keys.push_back(IndexedDBKey(date, blink::WebIDBKeyTypeDate));
33  estimates.push_back(24u);  // Overhead + sizeof(double).
34
35  const base::string16 string(1024, static_cast<base::char16>('X'));
36  keys.push_back(IndexedDBKey(string));
37  // Overhead + string length * sizeof(base::char16).
38  estimates.push_back(2064u);
39
40  const size_t array_size = 1024;
41  IndexedDBKey::KeyArray array;
42  double value = 123.456;
43  for (size_t i = 0; i < array_size; ++i) {
44    array.push_back(IndexedDBKey(value, blink::WebIDBKeyTypeNumber));
45  }
46  keys.push_back(IndexedDBKey(array));
47  // Overhead + array length * (Overhead + sizeof(double)).
48  estimates.push_back(24592u);
49
50  ASSERT_EQ(keys.size(), estimates.size());
51  for (size_t i = 0; i < keys.size(); ++i) {
52    EXPECT_EQ(estimates[i], keys[i].size_estimate());
53  }
54}
55
56}  // namespace
57
58}  // namespace content
59