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Diffstat (limited to '')
-rw-r--r-- | src/seastar/tests/unit/abort_source_test.cc | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/seastar/tests/unit/abort_source_test.cc b/src/seastar/tests/unit/abort_source_test.cc new file mode 100644 index 000000000..066500637 --- /dev/null +++ b/src/seastar/tests/unit/abort_source_test.cc @@ -0,0 +1,86 @@ +/* + * This file is open source software, licensed to you under the terms + * of the Apache License, Version 2.0 (the "License"). See the NOTICE file + * distributed with this work for additional information regarding copyright + * ownership. You may not use this file except in compliance with the License. + * + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +/* + * Copyright (C) 2017 ScyllaDB + */ + +#include <seastar/testing/test_case.hh> + +#include <seastar/core/gate.hh> +#include <seastar/core/sleep.hh> +#include <seastar/core/do_with.hh> + +using namespace seastar; +using namespace std::chrono_literals; + +SEASTAR_TEST_CASE(test_abort_source_notifies_subscriber) { + bool signalled = false; + auto as = abort_source(); + auto st_opt = as.subscribe([&signalled] () noexcept { + signalled = true; + }); + BOOST_REQUIRE_EQUAL(true, bool(st_opt)); + as.request_abort(); + BOOST_REQUIRE_EQUAL(true, signalled); + return make_ready_future<>(); +} + +SEASTAR_TEST_CASE(test_abort_source_subscription_unregister) { + bool signalled = false; + auto as = abort_source(); + auto st_opt = as.subscribe([&signalled] () noexcept { + signalled = true; + }); + BOOST_REQUIRE_EQUAL(true, bool(st_opt)); + st_opt = { }; + as.request_abort(); + BOOST_REQUIRE_EQUAL(false, signalled); + return make_ready_future<>(); +} + +SEASTAR_TEST_CASE(test_abort_source_rejects_subscription) { + auto as = abort_source(); + as.request_abort(); + auto st_opt = as.subscribe([] () noexcept { }); + BOOST_REQUIRE_EQUAL(false, bool(st_opt)); + return make_ready_future<>(); +} + +SEASTAR_TEST_CASE(test_sleep_abortable) { + auto as = std::make_unique<abort_source>(); + auto f = sleep_abortable(100s, *as).then_wrapped([] (auto&& f) { + try { + f.get(); + BOOST_FAIL("should have failed"); + } catch (const sleep_aborted& e) { + // expected + } catch (...) { + BOOST_FAIL("unexpected exception"); + } + }); + as->request_abort(); + return f.finally([as = std::move(as)] { }); +} + +// Verify that negative sleep does not sleep forever. It should not sleep +// at all. +SEASTAR_TEST_CASE(test_negative_sleep_abortable) { + return do_with(abort_source(), [] (abort_source& as) { + return sleep_abortable(-10s, as); + }); +} |