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/********************* */
/*! \file stats_black.h
** \verbatim
** Top contributors (to current version):
** Morgan Deters, Andres Noetzli, Tim King
** This file is part of the CVC4 project.
** Copyright (c) 2009-2017 by the authors listed in the file AUTHORS
** in the top-level source directory) and their institutional affiliations.
** All rights reserved. See the file COPYING in the top-level source
** directory for licensing information.\endverbatim
**
** \brief Black box testing of CVC4::Stat and associated classes
**
** Black box testing of CVC4::Stat and associated classes.
**/
#include <cxxtest/TestSuite.h>
#include <fcntl.h>
#include <ctime>
#include <sstream>
#include <string>
#include "lib/clock_gettime.h"
#include "util/statistics_registry.h"
using namespace CVC4;
using namespace std;
/**
* This is a duplicate of operator== in statistics_registry.h.
* This is duplicated here to try to avoid polluting top namepsace.
*
* If operator== is in the CVC4 namespace, there are some circumstances
* where clang does not find this operator.
*/
bool operator==(const timespec& a, const timespec& b) {
// assumes a.tv_nsec and b.tv_nsec are in range
return a.tv_sec == b.tv_sec && a.tv_nsec == b.tv_nsec;
}
class StatsBlack : public CxxTest::TestSuite {
public:
void testStats() {
#ifdef CVC4_STATISTICS_ON
// StatisticsRegistry
//static void flushStatistics(std::ostream& out);
//static inline void registerStat(Stat* s) throw (AssertionException);
//static inline void unregisterStat(Stat* s) throw (AssertionException);
string empty, bar = "bar", baz = "baz";
ReferenceStat<string> refStr("stat #1", empty);
ReferenceStat<string> refStr2("refStr2", bar);
// setData
// getData
// flushInformation
// flushStat
BackedStat<string> backedStr("backed", baz);
// setData
// getData
// operator=
BackedStat<double> backedDouble("backedDouble", 16.5);
BackedStat<double> backedNegDouble("backedNegDouble", -16.5);
BackedStat<double> backedDoubleNoDec("backedDoubleNoDec", 2.0);
BackedStat<bool> backedBool("backedBool", true);
BackedStat<void*> backedAddr("backedDouble", (void*)0xDEADBEEF);
HistogramStat<int64_t> histStat("hist");
histStat << 5;
histStat << 6;
histStat << 5;
histStat << 10;
histStat << 10;
histStat << 0;
// A statistic with no safe_print support
BackedStat<string*> backedUnsupported("backedUnsupported", &bar);
IntStat sInt("my int", 10);
TimerStat sTimer("a timer ! for measuring time");
TS_ASSERT_EQUALS(refStr.getName(), "stat #1");
TS_ASSERT_EQUALS(refStr2.getName(), "refStr2");
TS_ASSERT_EQUALS(backedStr.getName(), "backed");
TS_ASSERT_EQUALS(sInt.getName(), "my int");
TS_ASSERT_EQUALS(sTimer.getName(), "a timer ! for measuring time");
TS_ASSERT_EQUALS(refStr.getData(), empty);
TS_ASSERT_EQUALS(refStr2.getData(), bar);
empty = "a different string";
bar += " and with an addition";
TS_ASSERT_EQUALS(refStr.getData(), empty);
TS_ASSERT_EQUALS(refStr2.getData(), bar);
TS_ASSERT_EQUALS(backedStr.getData(), "baz");
baz = "something else";
TS_ASSERT_EQUALS(backedStr.getData(), "baz");
TS_ASSERT_EQUALS(sInt.getData(), 10);
sInt.setData(100);
TS_ASSERT_EQUALS(sInt.getData(), 100);
TS_ASSERT_EQUALS(sTimer.getData(), timespec());
stringstream sstr;
refStr.flushInformation(sstr);
TS_ASSERT_EQUALS(sstr.str(), empty);
sstr.str("");
refStr2.flushInformation(sstr);
TS_ASSERT_EQUALS(sstr.str(), bar);
sstr.str("");
backedStr.flushInformation(sstr);
TS_ASSERT_EQUALS(sstr.str(), "baz");
sstr.str("");
sInt.flushInformation(sstr);
TS_ASSERT_EQUALS(sstr.str(), "100");
sstr.str("");
sTimer.flushInformation(sstr);
TS_ASSERT_EQUALS(sstr.str(), "0.000000000");
// Test safeFlushInformation (and safe_print functions)
char tmp_filename[] = "testXXXXXX";
int fd = mkstemp(tmp_filename);
TS_ASSERT_DIFFERS(fd, -1);
refStr.safeFlushInformation(fd);
safe_print(fd, "\n");
refStr2.safeFlushInformation(fd);
safe_print(fd, "\n");
backedStr.safeFlushInformation(fd);
safe_print(fd, "\n");
sInt.safeFlushInformation(fd);
safe_print(fd, "\n");
sTimer.safeFlushInformation(fd);
safe_print(fd, "\n");
backedDouble.safeFlushInformation(fd);
safe_print(fd, "\n");
backedNegDouble.safeFlushInformation(fd);
safe_print(fd, "\n");
backedDoubleNoDec.safeFlushInformation(fd);
safe_print(fd, "\n");
backedAddr.safeFlushInformation(fd);
safe_print(fd, "\n");
backedBool.safeFlushInformation(fd);
safe_print(fd, "\n");
histStat.safeFlushInformation(fd);
safe_print(fd, "\n");
backedUnsupported.safeFlushInformation(fd);
off_t file_size = lseek(fd, 0, SEEK_CUR);
close(fd);
char* buf = new char[file_size];
fd = open(tmp_filename, O_RDONLY);
TS_ASSERT_DIFFERS(fd, -1);
ssize_t n_read = pread(fd, buf, file_size, 0);
TS_ASSERT_EQUALS(n_read, file_size);
close(fd);
const char* expected =
"a different string\n"
"bar and with an addition\n"
"baz\n"
"100\n"
"0.000000000\n"
"16.5\n"
"-16.5\n"
"2.0\n"
"0xdeadbeef\n"
"true\n"
"[(0 : 1), (5 : 2), (6 : 1), (10 : 2)]\n"
"<unsupported>";
TS_ASSERT(strncmp(expected, buf, file_size) == 0);
delete[] buf;
int ret = remove(tmp_filename);
TS_ASSERT_EQUALS(ret, 0);
#endif /* CVC4_STATISTICS_ON */
}
};
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