xtd 0.2.0
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generic_test_class.cpp

Shows how to use generic xtd::tunit::test_class class.

#include <xtd/xtd.tunit>
#include <cstdint>
#include <limits>
using namespace xtd;
using namespace tunit;
template<typename type_t>
size_t get_max_value() {return 0;}
template<>
size_t get_max_value<bool>() {return 1;}
template<>
size_t get_max_value<int>() {return 2147483647;}
template<>
size_t get_max_value<char>() {return 127;}
template<>
size_t get_max_value<long int>() {return 9223372036854775807;}
template<>
size_t get_max_value<unsigned char>() {return 255;}
namespace unit_tests {
// Used test_class_attribute<> to add unit test suit.
template<typename type_t>
class test;
test_class_attribute<test<bool>> test_bool_class_attr {"test<bool>"};
test_class_attribute<test<int>> test_int_class_attr {"test<int>"};
test_class_attribute<test<long int>> test_double_class_attr {"test<long_int>"};
test_class_attribute<test<char>> test_int8_t_class_attr {"test<sbyte>"};
test_class_attribute<test<unsigned char>> test_uint8_t_class_attr {"test<byte>"};
// The test class must be inherit from test_class class.
template<typename type_t>
class test : public test_class {
void test_method_(test_max_value) {
static auto expected_max_values = std::map<std::string, size_t> {{typeid(bool).name(), std::numeric_limits<bool>::max()}, {typeid(int).name(), std::numeric_limits<int>::max()}, {typeid(long int).name(), std::numeric_limits<long int>::max()}, {typeid(char).name(), std::numeric_limits<char>::max()}};
if (expected_max_values.find(typeid(type_t).name()) == expected_max_values.end())
assert::fail("expect max value for this type is not defined.");
assert::are_equal(expected_max_values[typeid(type_t).name()], get_max_value<type_t>());
}
};
}
auto main() -> int {
return console_unit_test().run();
}
// This code can produce the following output :
//
// Start 5 tests from 5 test cases
// Run tests:
// SUCCEED test<bool>.test_max_value (0 ms total)
// SUCCEED test<int>.test_max_value (0 ms total)
// SUCCEED test<long int>.test_max_value (0 ms total)
// SUCCEED test<sbyte>.test_max_value (0 ms total)
// FAILED test<byte>.test_max_value (0 ms total)
// expect max value for this type is not defined.
// Stack Trace: in |---OMITTED---|/generic_test_class.cpp:39
//
// Test results:
// SUCCEED 4 tests.
// FAILED 1 test.
// End 5 tests from 5 test cases ran. (0 ms total)
#define test_method_(method_name)
Add test method to class test.
Definition test_method_attribute.h:89
The xtd namespace contains all fundamental classes to access Hardware, Os, System,...
Definition xtd_about_box.h:10