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1 | /* |
2 | * This file is open source software, licensed to you under the terms | |
3 | * of the Apache License, Version 2.0 (the "License"). See the NOTICE file | |
4 | * distributed with this work for additional information regarding copyright | |
5 | * ownership. You may not use this file except in compliance with the License. | |
6 | * | |
7 | * You may obtain a copy of the License at | |
8 | * | |
9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
10 | * | |
11 | * Unless required by applicable law or agreed to in writing, | |
12 | * software distributed under the License is distributed on an | |
13 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
14 | * KIND, either express or implied. See the License for the | |
15 | * specific language governing permissions and limitations | |
16 | * under the License. | |
17 | */ | |
18 | ||
19 | /* | |
20 | * Copyright 2021-present ScyllaDB | |
21 | */ | |
22 | ||
23 | #include <seastar/testing/test_case.hh> | |
24 | #include <seastar/testing/thread_test_case.hh> | |
25 | ||
26 | #include <seastar/core/pipe.hh> | |
27 | ||
28 | using namespace seastar; | |
29 | ||
30 | static_assert(!std::is_default_constructible_v<seastar::pipe_reader<int>>); | |
31 | static_assert(!std::is_default_constructible_v<seastar::pipe_writer<int>>); | |
32 | ||
33 | static_assert(std::is_nothrow_move_constructible_v<seastar::pipe_reader<int>>); | |
34 | static_assert(std::is_nothrow_move_assignable_v<seastar::pipe_reader<int>>); | |
35 | ||
36 | static_assert(std::is_nothrow_move_constructible_v<seastar::pipe_writer<int>>); | |
37 | static_assert(std::is_nothrow_move_assignable_v<seastar::pipe_writer<int>>); | |
38 | ||
39 | SEASTAR_THREAD_TEST_CASE(simple_pipe_test) { | |
40 | seastar::pipe<int> p(1); | |
41 | ||
42 | auto f0 = p.reader.read(); | |
43 | BOOST_CHECK(!f0.available()); | |
44 | p.writer.write(17).get(); | |
45 | BOOST_REQUIRE_EQUAL(*f0.get0(), 17); | |
46 | ||
47 | p.writer.write(42).get(); | |
48 | auto f2 = p.reader.read(); | |
49 | BOOST_CHECK(f2.available()); | |
50 | BOOST_REQUIRE_EQUAL(*f2.get0(), 42); | |
51 | } |