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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/testcore/memoize/test_memoize.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2016 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
#ifndef __TEST_MEMOIZE_H
#define __TEST_MEMOIZE_H
/**
* @file test_memoize.H
* @brief Tests memoize utility
*/
#include <cxxtest/TestSuite.H>
#include <errl/errlmanager.H>
#include <util/memoize.H>
#include <runtime/runtime_reasoncodes.H>
int g_accesses = 0;
errlHndl_t _incrementer(int in, int& out)
{
errlHndl_t pError = NULL;
g_accesses++;
if(in > 2)
{
// A junk error log, this combination never occurs elsewhere
pError = new ERRORLOG::ErrlEntry(
ERRORLOG::ERRL_SEV_INFORMATIONAL,
RUNTIME::MOD_CUST_CONF_HBRT_HYP_IDS,
RUNTIME::RT_NO_PROC_TARGET,
0,0 );
}
else
{
out = in + 1;
}
return pError;
}
errlHndl_t incrementer(int in, int& out)
{
return Util::Memoize::memoize(
_incrementer,in,out);
}
class MemoizerTest: public CxxTest::TestSuite
{
public:
void testMemoizer(void)
{
TS_TRACE( ENTER_MRK
"testMemoizer> start" );
errlHndl_t pError = NULL;
do {
int test = 1;
int accesses = g_accesses;
int result = 0;
// Should get no error
pError = incrementer(test,result);
if(pError)
{
TS_FAIL("testMemoizer> call to memoizer returned error");
break;
}
// Should get input + 1 as result
if(result != (test+1))
{
TS_FAIL("testMemoizer> memoizer did not increment the input");
break;
}
// Should register an access
if(g_accesses != (accesses+1))
{
TS_FAIL("testMemoizer> real function did not dispatch");
break;
}
accesses = g_accesses;
test = 1;
result = 0;
// Should be able to repeat same request with no error
pError = incrementer(test,result);
if(pError)
{
TS_FAIL("testMemoizer> call to memoizer returned error");
break;
}
// ... and same answer
if(result != (test+1))
{
TS_FAIL("testMemoizer> memoizer did not increment the input");
break;
}
// ... and no additional accesses
if(g_accesses != accesses)
{
TS_FAIL("testMemoizer> real function dispatched unexpectedly");
break;
}
accesses = g_accesses;
test = 3;
result = 0;
int origResult = 0;
// Should get an error as using a bad input value
pError = incrementer(test,result);
if(pError == NULL)
{
TS_FAIL("testMemoizer> call to memoizer did not return error");
break;
}
delete pError;
pError = NULL;
// ... and should register an access
if(g_accesses != (accesses+1))
{
TS_FAIL("testMemoizer> real function did not dispatch");
break;
}
// ... and result should have been left as is
if(result != origResult)
{
TS_FAIL("testMemoizer> memoize changed the output unexpectedly");
break;
}
accesses = g_accesses;
test = 3;
result = 0;
origResult = 0;
// Should be able to make same bad request and get an error
pError = incrementer(test,result);
if(pError == NULL)
{
TS_FAIL("testMemoizer> call to memoizer did not return error");
break;
}
delete pError;
pError = NULL;
// ... and should still register an access (i.e. nothing
// got accidentally cached in error path)
if(g_accesses != (accesses+1))
{
TS_FAIL("testMemoizer> real function did not dispatch");
break;
}
// ... and result should have been left as is
if(result != origResult)
{
TS_FAIL("testMemoizer> memoize changed the output unexpectedly");
break;
}
} while(0);
if(pError)
{
errlCommit(pError,UTIL_COMP_ID);
}
TS_TRACE( EXIT_MRK
"testMemoizer> finish" );
}
}; // End class MemoizerTest
#endif
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