1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
// Copyright 2022 Huawei Cloud Computing Technology Co., Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// 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.
#include "src/buildtool/multithreading/async_map.hpp"
#include <string>
#include "catch2/catch_test_macros.hpp"
#include "src/buildtool/multithreading/task_system.hpp"
TEST_CASE("Single-threaded: nodes only created once", "[async_map]") {
AsyncMap<std::string, int> map;
auto* key_node = map.GetOrCreateNode("key");
CHECK(key_node != nullptr);
auto* other_node = map.GetOrCreateNode("otherkey");
CHECK(other_node != nullptr);
auto* should_be_key_node = map.GetOrCreateNode("key");
CHECK(should_be_key_node != nullptr);
CHECK(key_node != other_node);
CHECK(key_node == should_be_key_node);
}
TEST_CASE("Nodes only created once and survive the map destruction",
"[async_map]") {
using NodePtr = typename AsyncMap<std::string, int>::NodePtr;
NodePtr key_node{nullptr};
NodePtr other_node{nullptr};
NodePtr should_be_key_node{nullptr};
{
AsyncMap<std::string, int> map;
{
TaskSystem ts;
ts.QueueTask([&key_node, &map]() {
auto* node = map.GetOrCreateNode("key");
CHECK(node != nullptr);
key_node = node;
});
ts.QueueTask([&other_node, &map]() {
auto* node = map.GetOrCreateNode("otherkey");
CHECK(node != nullptr);
other_node = node;
});
ts.QueueTask([&should_be_key_node, &map]() {
auto* node = map.GetOrCreateNode("key");
CHECK(node != nullptr);
should_be_key_node = node;
});
}
}
CHECK(key_node != nullptr);
CHECK(other_node != nullptr);
CHECK(should_be_key_node != nullptr);
CHECK(key_node != other_node);
CHECK(key_node == should_be_key_node);
}
|
