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/*
* TestToolsLib.h
* --------------
* Purpose: Unit test framework for libopenmpt.
* Notes : This is more complex than the OpenMPT version because we cannot
* rely on a debugger and have to deal with exceptions ourselves.
* Authors: OpenMPT Devs
* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
*/
#pragma once
#include "openmpt/all/BuildSettings.hpp"
#ifdef ENABLE_TESTS
#ifndef MODPLUG_TRACKER
//#define MPT_TEST_CXX11
#include "mpt/test/test.hpp"
#include <type_traits>
#include "mpt/base/bit.hpp"
#include "openmpt/base/FlagSet.hpp"
#include "../soundlib/Snd_defs.h"
OPENMPT_NAMESPACE_BEGIN
namespace Test {
class mpt_test_reporter
: public mpt::test::silent_reporter
{
public:
mpt_test_reporter() = default;
~mpt_test_reporter() override = default;
public:
void case_run(const mpt::source_location & loc) override;
void case_run(const mpt::source_location & loc, const char * text_e) override;
void case_run(const mpt::source_location & loc, const char * text_ex, const char * text_e) override;
void case_run(const mpt::source_location & loc, const char * text_a, const char * text_cmp, const char * text_b) override;
void case_result(const mpt::source_location & loc, const mpt::test::result & result) override;
};
extern int fail_count;
enum Verbosity
{
VerbosityQuiet,
VerbosityNormal,
VerbosityVerbose,
};
enum Fatality
{
FatalityContinue,
FatalityStop
};
struct TestFailed
{
std::string values;
TestFailed(const std::string &values) : values(values) { }
TestFailed() { }
};
} // namespace Test
template<typename T>
struct ToStringHelper
{
std::string operator () (const T &x)
{
return mpt::afmt::val(x);
}
};
#ifdef MPT_TEST_CXX11
template<>
struct ToStringHelper<mpt::endian>
{
std::string operator () (const mpt::endian &x)
{
if(x == mpt::endian::big) return "big";
if(x == mpt::endian::little) return "little";
return "unknown";
}
};
template<typename enum_t, typename store_t>
struct ToStringHelper<FlagSet<enum_t, store_t> >
{
std::string operator () (const FlagSet<enum_t, store_t> &x)
{
return mpt::afmt::val(x.GetRaw());
}
};
template<typename enum_t>
struct ToStringHelper<enum_value_type<enum_t> >
{
std::string operator () (const enum_value_type<enum_t> &x)
{
return mpt::afmt::val(x.as_bits());
}
};
template<typename Ta, typename Tb>
struct ToStringHelper<std::pair<Ta, Tb> >
{
std::string operator () (const std::pair<Ta, Tb> &x)
{
return std::string("{") + mpt::afmt::val(x.first) + std::string(",") + mpt::afmt::val(x.second) + std::string("}");
}
};
template<std::size_t FRACT, typename T>
struct ToStringHelper<FPInt<FRACT, T> >
{
std::string operator () (const FPInt<FRACT, T> &x)
{
return std::string("FPInt<") + mpt::afmt::val(FRACT) + std::string(",") + mpt::afmt::val(typeid(T).name()) + std::string(">{") + mpt::afmt::val(x.GetInt()) + std::string(".") + mpt::afmt::val(x.GetFract()) + std::string("}");
}
};
template<>
struct ToStringHelper<SamplePosition>
{
std::string operator () (const SamplePosition &x)
{
return mpt::afmt::val(x.GetInt()) + std::string(".") + std::string("0x") + mpt::afmt::hex0<8>(x.GetFract());
}
};
#endif // MPT_TEST_CXX11
namespace Test {
class Testcase
{
private:
Fatality const fatality;
Verbosity const verbosity;
const char * const desc;
mpt::source_location const loc;
public:
Testcase(Fatality fatality, Verbosity verbosity, const char * const desc, const mpt::source_location &loc);
public:
std::string AsString() const;
void ShowStart() const;
void ShowProgress(const char * text) const;
void ShowPass() const;
void ShowFail(bool exception = false, const char * const text = nullptr) const;
void ReportPassed();
void ReportFailed();
void ReportException();
private:
template <typename Tx, typename Ty>
inline bool IsEqual(const Tx &x, const Ty &y, std::false_type, std::false_type)
{
return (x == y);
}
template <typename Tx, typename Ty>
inline bool IsEqual(const Tx &x, const Ty &y, std::false_type, std::true_type)
{
return (x == y);
}
template <typename Tx, typename Ty>
inline bool IsEqual(const Tx &x, const Ty &y, std::true_type, std::false_type)
{
return (x == y);
}
template <typename Tx, typename Ty>
inline bool IsEqual(const Tx &x, const Ty &y, std::true_type /* is_integer */, std::true_type /* is_integer */ )
{
// Avoid signed-unsigned-comparison warnings and test equivalence in case of either type conversion direction.
return ((x == static_cast<Tx>(y)) && (static_cast<Ty>(x) == y));
}
template <typename Tx, typename Ty, typename Teps>
inline bool IsEqualEpsilon(const Tx &x, const Ty &y, const Teps &eps)
{
return std::abs(x - y) <= eps;
}
public:
#ifdef MPT_TEST_CXX11
private:
template <typename Tx, typename Ty>
MPT_NOINLINE void TypeCompareHelper(const Tx &x, const Ty &y)
{
if(!IsEqual(x, y, std::is_integral<Tx>(), std::is_integral<Ty>()))
{
throw TestFailed(MPT_AFORMAT("{} != {}")(ToStringHelper<Tx>()(x), ToStringHelper<Ty>()(y)));
//throw TestFailed();
}
}
template <typename Tx, typename Ty, typename Teps>
MPT_NOINLINE void TypeCompareHelper(const Tx &x, const Ty &y, const Teps &eps)
{
if(!IsEqualEpsilon(x, y, eps))
{
throw TestFailed(MPT_AFORMAT("{} != {}")(ToStringHelper<Tx>()(x), ToStringHelper<Ty>()(y)));
//throw TestFailed();
}
}
public:
template <typename Tfx, typename Tfy>
MPT_NOINLINE void operator () (const Tfx &fx, const Tfy &fy)
{
ShowStart();
try
{
ShowProgress("Calculate x ...");
const auto x = fx();
ShowProgress("Calculate y ...");
const auto y = fy();
ShowProgress("Compare ...");
TypeCompareHelper(x, y);
ReportPassed();
} catch(...)
{
ReportFailed();
}
}
template <typename Tfx, typename Tfy, typename Teps>
MPT_NOINLINE void operator () (const Tfx &fx, const Tfy &fy, const Teps &eps)
{
ShowStart();
try
{
ShowProgress("Calculate x ...");
const auto x = fx();
ShowProgress("Calculate y ...");
const auto y = fy();
ShowProgress("Compare ...");
TypeCompareHelper(x, y, eps);
ReportPassed();
} catch(...)
{
ReportFailed();
}
}
#define VERIFY_EQUAL(x,y) Test::Testcase(Test::FatalityContinue, Test::VerbosityNormal, #x " == " #y , MPT_SOURCE_LOCATION_CURRENT() )( [&](){return (x) ;}, [&](){return (y) ;} )
#define VERIFY_EQUAL_NONCONT(x,y) Test::Testcase(Test::FatalityStop , Test::VerbosityNormal, #x " == " #y , MPT_SOURCE_LOCATION_CURRENT() )( [&](){return (x) ;}, [&](){return (y) ;} )
#define VERIFY_EQUAL_QUIET_NONCONT(x,y) Test::Testcase(Test::FatalityStop , Test::VerbosityQuiet , #x " == " #y , MPT_SOURCE_LOCATION_CURRENT() )( [&](){return (x) ;}, [&](){return (y) ;} )
#define VERIFY_EQUAL_EPS(x,y,eps) Test::Testcase(Test::FatalityContinue, Test::VerbosityNormal, #x " == " #y , MPT_SOURCE_LOCATION_CURRENT() )( [&](){return (x) ;}, [&](){return (y) ;}, (eps) )
#else
public:
template <typename Tx, typename Ty>
MPT_NOINLINE void operator () (const Tx &x, const Ty &y)
{
ShowStart();
try
{
if(!IsEqual(x, y, std::is_integral<Tx>(), std::is_integral<Ty>()))
{
//throw TestFailed(MPT_AFORMAT("{} != {}")(x, y));
throw TestFailed();
}
ReportPassed();
} catch(...)
{
ReportFailed();
}
}
template <typename Tx, typename Ty, typename Teps>
MPT_NOINLINE void operator () (const Tx &x, const Ty &y, const Teps &eps)
{
ShowStart();
try
{
if(!IsEqualEpsilon(x, y, eps))
{
//throw TestFailed(MPT_AFORMAT("{} != {}")(x, y));
throw TestFailed();
}
ReportPassed();
} catch(...)
{
ReportFailed();
}
}
#define VERIFY_EQUAL(x,y) Test::Testcase(Test::FatalityContinue, Test::VerbosityNormal, #x " == " #y , MPT_SOURCE_LOCATION_CURRENT() )( (x) , (y) )
#define VERIFY_EQUAL_NONCONT(x,y) Test::Testcase(Test::FatalityStop , Test::VerbosityNormal, #x " == " #y , MPT_SOURCE_LOCATION_CURRENT() )( (x) , (y) )
#define VERIFY_EQUAL_QUIET_NONCONT(x,y) Test::Testcase(Test::FatalityStop , Test::VerbosityQuiet , #x " == " #y , MPT_SOURCE_LOCATION_CURRENT() )( (x) , (y) )
#define VERIFY_EQUAL_EPS(x,y,eps) Test::Testcase(Test::FatalityContinue, Test::VerbosityNormal, #x " == " #y , MPT_SOURCE_LOCATION_CURRENT() )( (x) , (y), (eps) )
#endif
};
#define DO_TEST(func) \
do { \
Test::Testcase test(Test::FatalityStop, Test::VerbosityVerbose, #func , MPT_SOURCE_LOCATION_CURRENT() ); \
try { \
test.ShowStart(); \
fail_count = 0; \
func(); \
if(fail_count > 0) { \
throw Test::TestFailed(); \
} \
test.ReportPassed(); \
} catch(...) { \
test.ReportException(); \
} \
} while(0)
} // namespace Test
OPENMPT_NAMESPACE_END
#endif // !MODPLUG_TRACKER
#endif // ENABLE_TESTS
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