1 | /* |
2 | * Copyright 2015-present Facebook, Inc. |
3 | * |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
5 | * you may not use this file except in compliance with the License. |
6 | * You may obtain a copy of the License at |
7 | * |
8 | * http://www.apache.org/licenses/LICENSE-2.0 |
9 | * |
10 | * Unless required by applicable law or agreed to in writing, software |
11 | * distributed under the License is distributed on an "AS IS" BASIS, |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
13 | * See the License for the specific language governing permissions and |
14 | * limitations under the License. |
15 | */ |
16 | |
17 | #include <folly/futures/SharedPromise.h> |
18 | #include <folly/portability/GTest.h> |
19 | |
20 | using namespace folly; |
21 | |
22 | TEST(SharedPromise, setGetSemiFuture) { |
23 | SharedPromise<int> p; |
24 | p.setValue(1); |
25 | auto f1 = p.getSemiFuture(); |
26 | auto f2 = p.getSemiFuture(); |
27 | EXPECT_EQ(1, f1.value()); |
28 | EXPECT_EQ(1, f2.value()); |
29 | } |
30 | |
31 | TEST(SharedPromise, setGetMixed) { |
32 | SharedPromise<int> p; |
33 | p.setValue(1); |
34 | auto f1 = p.getSemiFuture(); |
35 | auto f2 = p.getFuture(); |
36 | EXPECT_EQ(1, f1.value()); |
37 | EXPECT_EQ(1, f2.value()); |
38 | } |
39 | |
40 | TEST(SharedPromise, setGet) { |
41 | SharedPromise<int> p; |
42 | p.setValue(1); |
43 | auto f1 = p.getFuture(); |
44 | auto f2 = p.getFuture(); |
45 | EXPECT_EQ(1, f1.value()); |
46 | EXPECT_EQ(1, f2.value()); |
47 | } |
48 | TEST(SharedPromise, getSet) { |
49 | SharedPromise<int> p; |
50 | auto f1 = p.getFuture(); |
51 | auto f2 = p.getFuture(); |
52 | p.setValue(1); |
53 | EXPECT_EQ(1, f1.value()); |
54 | EXPECT_EQ(1, f2.value()); |
55 | } |
56 | |
57 | TEST(SharedPromise, getSetGet) { |
58 | SharedPromise<int> p; |
59 | auto f1 = p.getFuture(); |
60 | p.setValue(1); |
61 | auto f2 = p.getFuture(); |
62 | EXPECT_EQ(1, f1.value()); |
63 | EXPECT_EQ(1, f2.value()); |
64 | } |
65 | |
66 | TEST(SharedPromise, reset) { |
67 | SharedPromise<int> p; |
68 | |
69 | auto f1 = p.getFuture(); |
70 | p.setValue(1); |
71 | EXPECT_EQ(1, f1.value()); |
72 | |
73 | p = SharedPromise<int>(); |
74 | auto f2 = p.getFuture(); |
75 | EXPECT_FALSE(f2.isReady()); |
76 | p.setValue(2); |
77 | EXPECT_EQ(2, f2.value()); |
78 | } |
79 | |
80 | TEST(SharedPromise, getMoveSet) { |
81 | SharedPromise<int> p; |
82 | auto f = p.getFuture(); |
83 | auto p2 = std::move(p); |
84 | p2.setValue(1); |
85 | EXPECT_EQ(1, f.value()); |
86 | } |
87 | |
88 | TEST(SharedPromise, setMoveGet) { |
89 | SharedPromise<int> p; |
90 | p.setValue(1); |
91 | auto p2 = std::move(p); |
92 | auto f = p2.getFuture(); |
93 | EXPECT_EQ(1, f.value()); |
94 | } |
95 | |
96 | TEST(SharedPromise, moveSetGet) { |
97 | SharedPromise<int> p; |
98 | auto p2 = std::move(p); |
99 | p2.setValue(1); |
100 | auto f = p2.getFuture(); |
101 | EXPECT_EQ(1, f.value()); |
102 | } |
103 | |
104 | TEST(SharedPromise, moveGetSet) { |
105 | SharedPromise<int> p; |
106 | auto p2 = std::move(p); |
107 | auto f = p2.getFuture(); |
108 | p2.setValue(1); |
109 | EXPECT_EQ(1, f.value()); |
110 | } |
111 | |
112 | TEST(SharedPromise, moveMove) { |
113 | SharedPromise<std::shared_ptr<int>> p; |
114 | auto f1 = p.getFuture(); |
115 | auto f2 = p.getFuture(); |
116 | auto p2 = std::move(p); |
117 | EXPECT_EQ(2, p2.size()); |
118 | p = std::move(p2); |
119 | EXPECT_EQ(0, p2.size()); |
120 | p.setValue(std::make_shared<int>(1)); |
121 | } |
122 | |
123 | TEST(SharedPromise, setWith) { |
124 | SharedPromise<int> p; |
125 | p.setWith([] { return 1; }); |
126 | EXPECT_EQ(1, p.getFuture().value()); |
127 | } |
128 | |
129 | TEST(SharedPromise, isFulfilled) { |
130 | SharedPromise<int> p; |
131 | EXPECT_FALSE(p.isFulfilled()); |
132 | auto p2 = std::move(p); |
133 | EXPECT_FALSE(p2.isFulfilled()); |
134 | p2.setValue(1); |
135 | EXPECT_TRUE(p2.isFulfilled()); |
136 | p = std::move(p2); |
137 | EXPECT_TRUE(p.isFulfilled()); |
138 | EXPECT_FALSE(p2.isFulfilled()); |
139 | } |
140 | |
141 | TEST(SharedPromise, interruptHandler) { |
142 | SharedPromise<int> p; |
143 | bool flag = false; |
144 | p.setInterruptHandler([&](const exception_wrapper&) { flag = true; }); |
145 | auto f = p.getFuture(); |
146 | f.cancel(); |
147 | EXPECT_TRUE(flag); |
148 | } |
149 | |