#include "scope_guard.h" #include TEST_CASE("deleter called on destruction", "[ScopeGuard]") { std::size_t calls{0}; { auto guard = sr::scope_guard([&calls] { ++calls; }); static_cast(guard); } REQUIRE(calls == 1); } TEST_CASE("deleter is not called if released", "[ScopeGuard]") { std::size_t calls{0}; { auto guard = sr::scope_guard([&calls] { ++calls; }); guard.release(); } REQUIRE(calls == 0); } TEST_CASE("move releases moved-from object", "[ScopeGuard]") { std::size_t calls{0}; { auto movedFrom = sr::scope_guard([&calls] { ++calls; }); auto guard = std::move(movedFrom); static_cast(guard); } REQUIRE(calls == 1); } TEST_CASE("move transfers state", "[ScopeGuard]") { std::size_t calls{0}; { auto movedFrom = sr::scope_guard([&calls] { ++calls; }); auto guard = std::move(movedFrom); static_cast(guard); } REQUIRE(calls == 1); } TEST_CASE("move transfers state if released", "[ScopeGuard]") { std::size_t calls{0}; { auto movedFrom = sr::scope_guard([&calls] { ++calls; }); movedFrom.release(); auto guard = std::move(movedFrom); static_cast(guard); } REQUIRE(calls == 0); } TEST_CASE("no exception propagation from deleter", "[ScopeGuard]") { REQUIRE_NOTHROW([] { auto guard = sr::scope_guard([] { throw "Don't propagate this!"; }); static_cast(guard); }()); }