test_case.h

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#pragma once
 
#include "di/container/string/prelude.h"
#include "di/util/prelude.h"
 
namespace dius::test {
using TestCaseFunction = void (*)();
 
class TestCase {
public:
    constexpr explicit TestCase(di::TransparentStringView suite_name, di::TransparentStringView case_name,
                                TestCaseFunction function)
        : m_suite_name(di::move(suite_name)), m_case_name(di::move(case_name)), m_function(function) {}
 
    constexpr auto suite_name() const -> di::TransparentStringView { return m_suite_name; }
    constexpr auto case_name() const -> di::TransparentStringView { return m_case_name; }
 
    constexpr void execute() const { m_function(); }
 
private:
    constexpr friend auto operator==(TestCase const& a, TestCase const& b) -> bool {
        return di::make_tuple(a.suite_name(), a.case_name()) == di::make_tuple(b.suite_name(), b.case_name());
    }
 
    constexpr friend auto operator<=>(TestCase const& a, TestCase const& b) -> di::strong_ordering {
        return di::make_tuple(a.suite_name(), a.case_name()) <=> di::make_tuple(b.suite_name(), b.case_name());
    }
 
    di::TransparentStringView m_suite_name;
    di::TransparentStringView m_case_name;
    TestCaseFunction m_function;
};
}