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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "net/disk_cache/blockfile/bitmap.h" | 5 #include "net/disk_cache/blockfile/bitmap.h" |
6 #include "testing/gtest/include/gtest/gtest.h" | 6 #include "testing/gtest/include/gtest/gtest.h" |
7 | 7 |
8 TEST(BitmapTest, OverAllocate) { | 8 TEST(BitmapTest, OverAllocate) { |
9 // Test that we don't over allocate on boundaries. | 9 // Test that we don't over allocate on boundaries. |
10 disk_cache::Bitmap map32(32, false); | 10 disk_cache::Bitmap map32(32, false); |
11 EXPECT_EQ(1, map32.ArraySize()); | 11 EXPECT_EQ(1, map32.ArraySize()); |
12 | 12 |
13 disk_cache::Bitmap map64(64, false); | 13 disk_cache::Bitmap map64(64, false); |
14 EXPECT_EQ(2, map64.ArraySize()); | 14 EXPECT_EQ(2, map64.ArraySize()); |
15 } | 15 } |
16 | 16 |
17 TEST(BitmapTest, DefaultConstructor) { | 17 TEST(BitmapTest, DefaultConstructor) { |
18 // Verify that the default constructor doesn't allocate a bitmap. | 18 // Verify that the default constructor doesn't allocate a bitmap. |
19 disk_cache::Bitmap map; | 19 disk_cache::Bitmap map; |
20 EXPECT_EQ(0, map.Size()); | 20 EXPECT_EQ(0, map.Size()); |
21 EXPECT_EQ(0, map.ArraySize()); | 21 EXPECT_EQ(0, map.ArraySize()); |
22 EXPECT_TRUE(NULL == map.GetMap()); | 22 EXPECT_TRUE(NULL == map.GetMap()); |
23 } | 23 } |
24 | 24 |
25 TEST(BitmapTest, Basics) { | 25 TEST(BitmapTest, Basics) { |
26 disk_cache::Bitmap bitmap(80, true); | 26 disk_cache::Bitmap bitmap(80, true); |
27 const uint32 kValue = 0x74f10060; | 27 const uint32_t kValue = 0x74f10060; |
28 | 28 |
29 // Test proper allocation size. | 29 // Test proper allocation size. |
30 EXPECT_EQ(80, bitmap.Size()); | 30 EXPECT_EQ(80, bitmap.Size()); |
31 EXPECT_EQ(3, bitmap.ArraySize()); | 31 EXPECT_EQ(3, bitmap.ArraySize()); |
32 | 32 |
33 // Test Set/GetMapElement. | 33 // Test Set/GetMapElement. |
34 EXPECT_EQ(0U, bitmap.GetMapElement(1)); | 34 EXPECT_EQ(0U, bitmap.GetMapElement(1)); |
35 bitmap.SetMapElement(1, kValue); | 35 bitmap.SetMapElement(1, kValue); |
36 EXPECT_EQ(kValue, bitmap.GetMapElement(1)); | 36 EXPECT_EQ(kValue, bitmap.GetMapElement(1)); |
37 | 37 |
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87 } | 87 } |
88 | 88 |
89 TEST(BitmapTest, Map) { | 89 TEST(BitmapTest, Map) { |
90 // Tests Set/GetMap and the constructor that takes an array. | 90 // Tests Set/GetMap and the constructor that takes an array. |
91 const int kMapSize = 80; | 91 const int kMapSize = 80; |
92 char local_map[kMapSize]; | 92 char local_map[kMapSize]; |
93 for (int i = 0; i < kMapSize; i++) | 93 for (int i = 0; i < kMapSize; i++) |
94 local_map[i] = static_cast<char>(i); | 94 local_map[i] = static_cast<char>(i); |
95 | 95 |
96 disk_cache::Bitmap bitmap(kMapSize * 8, false); | 96 disk_cache::Bitmap bitmap(kMapSize * 8, false); |
97 bitmap.SetMap(reinterpret_cast<uint32*>(local_map), kMapSize / 4); | 97 bitmap.SetMap(reinterpret_cast<uint32_t*>(local_map), kMapSize / 4); |
98 for (int i = 0; i < kMapSize; i++) { | 98 for (int i = 0; i < kMapSize; i++) { |
99 if (i % 2) | 99 if (i % 2) |
100 EXPECT_TRUE(bitmap.Get(i * 8)); | 100 EXPECT_TRUE(bitmap.Get(i * 8)); |
101 else | 101 else |
102 EXPECT_FALSE(bitmap.Get(i * 8)); | 102 EXPECT_FALSE(bitmap.Get(i * 8)); |
103 } | 103 } |
104 | 104 |
105 EXPECT_EQ(0, memcmp(local_map, bitmap.GetMap(), kMapSize)); | 105 EXPECT_EQ(0, memcmp(local_map, bitmap.GetMap(), kMapSize)); |
106 | 106 |
107 // Now let's create a bitmap that shares local_map as storage. | 107 // Now let's create a bitmap that shares local_map as storage. |
108 disk_cache::Bitmap bitmap2(reinterpret_cast<uint32*>(local_map), | 108 disk_cache::Bitmap bitmap2(reinterpret_cast<uint32_t*>(local_map), |
109 kMapSize * 8, kMapSize / 4); | 109 kMapSize * 8, kMapSize / 4); |
110 EXPECT_EQ(0, memcmp(local_map, bitmap2.GetMap(), kMapSize)); | 110 EXPECT_EQ(0, memcmp(local_map, bitmap2.GetMap(), kMapSize)); |
111 | 111 |
112 local_map[kMapSize / 2] = 'a'; | 112 local_map[kMapSize / 2] = 'a'; |
113 EXPECT_EQ(0, memcmp(local_map, bitmap2.GetMap(), kMapSize)); | 113 EXPECT_EQ(0, memcmp(local_map, bitmap2.GetMap(), kMapSize)); |
114 EXPECT_NE(0, memcmp(local_map, bitmap.GetMap(), kMapSize)); | 114 EXPECT_NE(0, memcmp(local_map, bitmap.GetMap(), kMapSize)); |
115 } | 115 } |
116 | 116 |
117 TEST(BitmapTest, SetAll) { | 117 TEST(BitmapTest, SetAll) { |
118 // Tests SetAll and Clear. | 118 // Tests SetAll and Clear. |
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284 bitmap.SetMapElement(11, 0xff); | 284 bitmap.SetMapElement(11, 0xff); |
285 | 285 |
286 index = 0; | 286 index = 0; |
287 EXPECT_EQ(16, bitmap.FindBits(&index, 500, true)); | 287 EXPECT_EQ(16, bitmap.FindBits(&index, 500, true)); |
288 EXPECT_EQ(344, index); | 288 EXPECT_EQ(344, index); |
289 | 289 |
290 index = 0; | 290 index = 0; |
291 EXPECT_EQ(4, bitmap.FindBits(&index, 348, true)); | 291 EXPECT_EQ(4, bitmap.FindBits(&index, 348, true)); |
292 EXPECT_EQ(344, index); | 292 EXPECT_EQ(344, index); |
293 } | 293 } |
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