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#include "catch.hpp"
#include <osmium/thread/util.hpp>
#include <exception>
#include <future>
#include <stdexcept>
#include <type_traits>
TEST_CASE("check_for_exception") {
std::promise<int> p;
auto f = p.get_future();
SECTION("not ready") {
osmium::thread::check_for_exception(f);
}
SECTION("ready") {
p.set_value(3);
osmium::thread::check_for_exception(f);
}
SECTION("no shared state") {
p.set_value(3);
REQUIRE(f.get() == 3);
osmium::thread::check_for_exception(f);
}
}
TEST_CASE("check_for_exception with exception") {
std::promise<int> p;
auto f = p.get_future();
try {
throw std::runtime_error{"TEST"};
} catch (...) {
p.set_exception(std::current_exception());
}
REQUIRE_THROWS_AS(osmium::thread::check_for_exception(f), std::runtime_error);
}
static_assert(std::is_nothrow_move_constructible<osmium::thread::thread_handler>::value, "thread_handler must have noexcept move constructor");
TEST_CASE("empty thread_handler") {
const osmium::thread::thread_handler th;
}
namespace {
int foo; // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
void test_func(int value) {
foo = value;
}
} // anonymous namespace
TEST_CASE("valid thread_handler") {
foo = 22;
test_func(17);
REQUIRE(foo == 17);
{
const osmium::thread::thread_handler th{test_func, 5};
}
REQUIRE(foo == 5);
}
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