Skip List unit test (RIPD-926)

This commit is contained in:
Miguel Portilla
2015-06-29 12:41:55 -04:00
committed by Vinnie Falco
parent 70ccdabf7c
commit 8d1b169f5a
4 changed files with 122 additions and 2 deletions

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@@ -2365,6 +2365,10 @@
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='debug|x64'">True</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='release|x64'">True</ExcludedFromBuild>
</ClCompile>
<ClCompile Include="..\..\src\ripple\ledger\tests\SkipList_test.cpp">
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='debug|x64'">True</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='release|x64'">True</ExcludedFromBuild>
</ClCompile>
<ClCompile Include="..\..\src\ripple\ledger\tests\View_test.cpp">
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='debug|x64'">True</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='release|x64'">True</ExcludedFromBuild>

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@@ -3096,6 +3096,9 @@
<ClCompile Include="..\..\src\ripple\ledger\tests\PaymentSandbox_test.cpp">
<Filter>ripple\ledger\tests</Filter>
</ClCompile>
<ClCompile Include="..\..\src\ripple\ledger\tests\SkipList_test.cpp">
<Filter>ripple\ledger\tests</Filter>
</ClCompile>
<ClCompile Include="..\..\src\ripple\ledger\tests\View_test.cpp">
<Filter>ripple\ledger\tests</Filter>
</ClCompile>

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@@ -0,0 +1,112 @@
//-----------------------------------------------------------------------------
/*
This file is part of rippled: https://github.com/ripple/rippled
Copyright (c) 2012, 2015 Ripple Labs Inc.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
#include <BeastConfig.h>
#include <ripple/app/ledger/Ledger.h>
#include <ripple/ledger/View.h>
#include <ripple/basics/Log.h>
#include <beast/unit_test/suite.h>
namespace ripple {
namespace test {
class SkipList_test : public beast::unit_test::suite
{
void
testSkipList()
{
beast::Journal const j;
std::vector<std::shared_ptr<Ledger>> history;
{
Config const config;
auto prev =
std::make_shared<Ledger>(create_genesis, config);
history.push_back(prev);
for (auto i = 0; i < 1023; ++i)
{
auto next = std::make_shared<Ledger>(
open_ledger, *prev);
next->updateSkipList();
next->setClosed();
history.push_back(next);
prev = next;
}
}
{
auto l = *(std::next(std::begin(history)));
expect((*std::begin(history))->info().seq <
l->info().seq);
expect(hashOfSeq(*l, l->info().seq + 1,
j) == boost::none);
expect(hashOfSeq(*l, l->info().seq,
j) == l->info().hash);
expect(hashOfSeq(*l, l->info().seq - 1,
j) == l->info().parentHash);
expect(hashOfSeq(*history.back(),
l->info().seq, j) == boost::none);
}
// ledger skip lists store up to the previous 256 hashes
for (auto i = history.crbegin();
i != history.crend(); i += 256)
{
for (auto n = i;
n != std::next(i,
(*i)->info().seq - 256 > 1 ? 257 : 256);
++n)
{
expect(hashOfSeq(**i,
(*n)->info().seq, j) ==
(*n)->info().hash);
}
// edge case accessing beyond 256
expect(hashOfSeq(**i,
(*i)->info().seq - 258, j) ==
boost::none);
}
// every 256th hash beyond the first 256 is stored
for (auto i = history.crbegin();
i != std::next(history.crend(), -512);
i += 256)
{
for (auto n = std::next(i, 512);
n != history.crend();
n += 256)
{
expect(hashOfSeq(**i,
(*n)->info().seq, j) ==
(*n)->info().hash);
}
}
}
void run()
{
LogSquelcher l;
testSkipList();
}
};
BEAST_DEFINE_TESTSUITE(SkipList,ledger,ripple);
} // test
} // ripple

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@@ -31,6 +31,7 @@
#include <ripple/ledger/impl/TxMeta.cpp>
#include <ripple/ledger/impl/View.cpp>
#include <ripple/ledger/tests/PaymentSandbox_test.cpp>
#include <ripple/ledger/tests/View_test.cpp>
#include <ripple/ledger/tests/Directory_test.cpp>
#include <ripple/ledger/tests/PaymentSandbox_test.cpp>
#include <ripple/ledger/tests/SkipList_test.cpp>
#include <ripple/ledger/tests/View_test.cpp>