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tdesktop/Telegram/ThirdParty/expected/tests/assertions.cpp
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2026-02-16 15:50:16 +03:00

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C++

#include <catch2/catch.hpp>
#include <stdexcept>
#define TL_ASSERT(cond) if (!(cond)) { throw std::runtime_error(std::string("assertion failure")); }
#include <tl/expected.hpp>
TEST_CASE("Assertions", "[assertions]") {
tl::expected<int,int> o1 = 42;
REQUIRE_THROWS_WITH(o1.error(), "assertion failure");
tl::expected<int,int> o2 {tl::unexpect, 0};
REQUIRE_THROWS_WITH(*o2, "assertion failure");
struct foo { int bar; };
tl::expected<struct foo,int> o3 {tl::unexpect, 0};
REQUIRE_THROWS_WITH(o3->bar, "assertion failure");
}