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// Copyright Contributors to the Pystring project.
// SPDX-License-Identifier: BSD-3-Clause
// https://github.com/imageworks/pystring/blob/master/LICENSE
#ifndef INCLUDED_PYSTRING_UNITTEST_H
#define INCLUDED_PYSTRING_UNITTEST_H
#include <iostream>
#include <cmath>
#include <vector>
extern int unit_test_failures;
void unittest_fail();
typedef void (*PYSTRINGTestFunc)();
struct PYSTRINGTest
{
PYSTRINGTest(std::string testgroup, std::string testname, PYSTRINGTestFunc test) :
group(testgroup), name(testname), function(test) { };
std::string group, name;
PYSTRINGTestFunc function;
};
typedef std::vector<PYSTRINGTest*> UnitTests;
UnitTests& GetUnitTests();
struct AddTest { AddTest(PYSTRINGTest* test); };
/// PYSTRING_CHECK_* macros checks if the conditions is met, and if not,
/// prints an error message indicating the module and line where the
/// error occurred, but does NOT abort. This is helpful for unit tests
/// where we do not want one failure.
#define PYSTRING_CHECK_ASSERT(x) \
((x) ? ((void)0) \
: ((std::cout << __FILE__ << ":" << __LINE__ << ":\n" \
<< "FAILED: " << #x << "\n"), \
(void)++unit_test_failures))
#define PYSTRING_CHECK_EQUAL(x,y) \
(((x) == (y)) ? ((void)0) \
: ((std::cout << __FILE__ << ":" << __LINE__ << ":\n" \
<< "FAILED: " << #x << " == " << #y << "\n" \
<< "\tvalues were '" << (x) << "' and '" << (y) << "'\n"), \
(void)++unit_test_failures))
#define PYSTRING_CHECK_NE(x,y) \
(((x) != (y)) ? ((void)0) \
: ((std::cout << __FILE__ << ":" << __LINE__ << ":\n" \
<< "FAILED: " << #x << " != " << #y << "\n" \
<< "\tvalues were '" << (x) << "' and '" << (y) << "'\n"), \
(void)++unit_test_failures))
#define PYSTRING_CHECK_LT(x,y) \
(((x) < (y)) ? ((void)0) \
: ((std::cout << __FILE__ << ":" << __LINE__ << ":\n" \
<< "FAILED: " << #x << " < " << #y << "\n" \
<< "\tvalues were '" << (x) << "' and '" << (y) << "'\n"), \
(void)++unit_test_failures))
#define PYSTRING_CHECK_GT(x,y) \
(((x) > (y)) ? ((void)0) \
: ((std::cout << __FILE__ << ":" << __LINE__ << ":\n" \
<< "FAILED: " << #x << " > " << #y << "\n" \
<< "\tvalues were '" << (x) << "' and '" << (y) << "'\n"), \
(void)++unit_test_failures))
#define PYSTRING_CHECK_LE(x,y) \
(((x) <= (y)) ? ((void)0) \
: ((std::cout << __FILE__ << ":" << __LINE__ << ":\n" \
<< "FAILED: " << #x << " <= " << #y << "\n" \
<< "\tvalues were '" << (x) << "' and '" << (y) << "'\n"), \
(void)++unit_test_failures))
#define PYSTRING_CHECK_GE(x,y) \
(((x) >= (y)) ? ((void)0) \
: ((std::cout << __FILE__ << ":" << __LINE__ << ":\n" \
<< "FAILED: " << #x << " >= " << #y << "\n" \
<< "\tvalues were '" << (x) << "' and '" << (y) << "'\n"), \
(void)++unit_test_failures))
#define PYSTRING_CHECK_CLOSE(x,y,tol) \
((std::abs((x) - (y)) < tol) ? ((void)0) \
: ((std::cout << __FILE__ << ":" << __LINE__ << ":\n" \
<< "FAILED: abs(" << #x << " - " << #y << ") < " << #tol << "\n" \
<< "\tvalues were '" << (x) << "', '" << (y) << "' and '" << (tol) << "'\n"), \
(void)++unit_test_failures))
#define PYSTRING_CHECK_THOW(S, E) \
try { S; throw "throwanything"; } catch( E const& ex ) { } catch (...) { \
std::cout << __FILE__ << ":" << __LINE__ << ":\n" \
<< "FAILED: " << #E << " is expected to be thrown\n"; \
++unit_test_failures; }
#define PYSTRING_CHECK_NO_THOW(S) \
try { S; } catch (...) { \
std::cout << __FILE__ << ":" << __LINE__ << ":\n" \
<< "FAILED: exception thrown from " << #S <<"\n"; \
++unit_test_failures; }
#define PYSTRING_ADD_TEST(group, name) \
static void pystringtest_##group##_##name(); \
AddTest pystringaddtest_##group##_##name(new PYSTRINGTest(#group, #name, pystringtest_##group##_##name)); \
static void pystringtest_##group##_##name()
#define PYSTRING_TEST_SETUP() \
int unit_test_failures = 0
#define PYSTRING_TEST_APP(app) \
std::vector<PYSTRINGTest*>& GetUnitTests() { \
static std::vector<PYSTRINGTest*> pystring_unit_tests; \
return pystring_unit_tests; } \
AddTest::AddTest(PYSTRINGTest* test){GetUnitTests().push_back(test);}; \
PYSTRING_TEST_SETUP(); \
int main(int, char **) { std::cerr << "\n" << #app <<"\n\n"; \
for(size_t i = 0; i < GetUnitTests().size(); ++i) { \
int _tmp = unit_test_failures; GetUnitTests()[i]->function(); \
std::cerr << "Test [" << GetUnitTests()[i]->group << "] [" << GetUnitTests()[i]->name << "] - "; \
std::cerr << (_tmp == unit_test_failures ? "PASSED" : "FAILED") << "\n"; } \
std::cerr << "\n" << unit_test_failures << " tests failed\n\n"; \
return unit_test_failures; }
#endif
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