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 13 namespace content { 14 15 namespace { 16 17 TEST(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
