Index file:
magic: c103cac3
version: 2.0
entries: 5
total bytes: 66
last file number: 0
current id: 1
table length: 65536
last crash: 1
experiment: 0
head 0: 0x90000004
tail 0: 0x90000000
size 0: 0x0
head 1: 0x0
tail 1: 0x0
size 1: 0x0
head 2: 0x0
tail 2: 0x0
size 2: 0x0
head 3: 0x0
tail 3: 0x0
size 3: 0x0
head 4: 0x0
tail 4: 0x0
size 4: 0x0
transaction: 0x0
operation: 0
operation list: 0
-------------------------

Block file: data_0
magic: c104cac3
version: 2.0
file id: 0
next file id: 0
entry size: 36
current entries: 5
max entries: 1024
updating: 0
empty sz 1: 0
empty sz 2: 0
empty sz 3: 1
empty sz 4: 254
user 0: 0x0
user 1: 0x0
user 2: 0x0
user 3: 0x0
-------------------------

Block file: data_1
magic: c104cac3
version: 2.0
file id: 1
next file id: 0
entry size: 256
current entries: 6
max entries: 1024
updating: 0
empty sz 1: 1
empty sz 2: 0
empty sz 3: 0
empty sz 4: 254
user 0: 0x0
user 1: 0x0
user 2: 0x0
user 3: 0x0
-------------------------

Block file: data_2
magic: c104cac3
version: 2.0
file id: 2
next file id: 0
entry size: 1024
current entries: 0
max entries: 0
updating: 0
empty sz 1: 0
empty sz 2: 0
empty sz 3: 0
empty sz 4: 0
user 0: 0x0
user 1: 0x0
user 2: 0x0
user 3: 0x0
-------------------------

Block file: data_3
magic: c104cac3
version: 2.0
file id: 3
next file id: 0
entry size: 4096
current entries: 0
max entries: 0
updating: 0
empty sz 1: 0
empty sz 2: 0
empty sz 3: 0
empty sz 4: 0
user 0: 0x0
user 1: 0x0
user 2: 0x0
user 3: 0x0
-------------------------

Entry at 0xa0010002
hash: 0xc24ac438
next entry: 0xa0010003
rankings: 0x90000000
key length: 13
key: "The first key"
key addr: 0x0
reuse count: 0
refetch count: 0
state: 0
data size 0: 0
data addr 0: 0x0
data size 1: 0
data addr 1: 0x0
data size 2: 0
data addr 2: 0x0
data size 3: 0
data addr 3: 0x0
----------

Rankings at 0x90000000
next: 0x90000000
prev: 0x90000001
entry: 0xa0010002
dirty: 0
pointer: 0x0
----------

Entry at 0xa0010003
hash: 0xb16af282
next entry: 0xa0010004
rankings: 0x90000001
key length: 14
key: "The Second key"
key addr: 0x0
reuse count: 0
refetch count: 0
state: 0
data size 0: 0
data addr 0: 0x0
data size 1: 0
data addr 1: 0x0
data size 2: 0
data addr 2: 0x0
data size 3: 0
data addr 3: 0x0
----------

Rankings at 0x90000001
next: 0x90000000
prev: 0x90000002
entry: 0xa0010003
dirty: 0
pointer: 0x0
----------

Entry at 0xa0010004
hash: 0x90efd732
next entry: 0xa0010005
rankings: 0x90000002
key length: 13
key: "The third key"
key addr: 0x0
reuse count: 0
refetch count: 0
state: 0
data size 0: 0
data addr 0: 0x0
data size 1: 0
data addr 1: 0x0
data size 2: 0
data addr 2: 0x0
data size 3: 0
data addr 3: 0x0
----------

Rankings at 0x90000002
next: 0x90000001
prev: 0x90000003
entry: 0xa0010004
dirty: 0
pointer: 0x0
----------

Entry at 0xa0010005
hash: 0x147cc398
next entry: 0xa0010006
rankings: 0x90000003
key length: 13
key: "The Fouth key"
key addr: 0x0
reuse count: 0
refetch count: 0
state: 0
data size 0: 0
data addr 0: 0x0
data size 1: 0
data addr 1: 0x0
data size 2: 0
data addr 2: 0x0
data size 3: 0
data addr 3: 0x0
----------

Rankings at 0x90000003
next: 0x90000002
prev: 0x90000004
entry: 0xa0010005
dirty: 0
pointer: 0x0
----------

Entry at 0xa0010006
hash: 0x9d910c3c
next entry: 0xa0010002
rankings: 0x90000004
key length: 13
key: "The fifth key"
key addr: 0x0
reuse count: 0
refetch count: 0
state: 0
data size 0: 0
data addr 0: 0x0
data size 1: 0
data addr 1: 0x0
data size 2: 0
data addr 2: 0x0
data size 3: 0
data addr 3: 0x0
----------

Rankings at 0x90000004
next: 0x90000003
prev: 0x90000004
entry: 0xa0010006
dirty: 1
pointer: 0x0

================================

Generated with:

  SetMask(0x1);  // 2-entry table.
  SetMaxSize(0x3000);  // 12 kB.
  InitCache();

  disk_cache::Entry* entry;

  ASSERT_EQ(net::OK, CreateEntry("The first key", &entry));
  entry->Close();
  ASSERT_EQ(net::OK, CreateEntry("The Second key", &entry));
  entry->Close();
  ASSERT_EQ(net::OK, CreateEntry("The third key", &entry));
  entry->Close();
  ASSERT_EQ(net::OK, CreateEntry("The Fouth key", &entry));
  entry->Close();
  ASSERT_EQ(net::OK, CreateEntry("The fifth key", &entry));  <---- Loop it to the first one.
  entry->Close();