2 * Copyright 2015-present Facebook, Inc.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #include <folly/futures/SharedPromise.h>
18 #include <folly/portability/GTest.h>
20 using namespace folly;
22 TEST(SharedPromise, setGetSemiFuture) {
25 auto f1 = p.getSemiFuture();
26 auto f2 = p.getSemiFuture();
27 EXPECT_EQ(1, f1.value());
28 EXPECT_EQ(1, f2.value());
31 TEST(SharedPromise, setGetMixed) {
34 auto f1 = p.getSemiFuture();
35 auto f2 = p.getFuture();
36 EXPECT_EQ(1, f1.value());
37 EXPECT_EQ(1, f2.value());
40 TEST(SharedPromise, setGet) {
43 auto f1 = p.getFuture();
44 auto f2 = p.getFuture();
45 EXPECT_EQ(1, f1.value());
46 EXPECT_EQ(1, f2.value());
48 TEST(SharedPromise, getSet) {
50 auto f1 = p.getFuture();
51 auto f2 = p.getFuture();
53 EXPECT_EQ(1, f1.value());
54 EXPECT_EQ(1, f2.value());
57 TEST(SharedPromise, getSetGet) {
59 auto f1 = p.getFuture();
61 auto f2 = p.getFuture();
62 EXPECT_EQ(1, f1.value());
63 EXPECT_EQ(1, f2.value());
66 TEST(SharedPromise, reset) {
69 auto f1 = p.getFuture();
71 EXPECT_EQ(1, f1.value());
73 p = SharedPromise<int>();
74 auto f2 = p.getFuture();
75 EXPECT_FALSE(f2.isReady());
77 EXPECT_EQ(2, f2.value());
80 TEST(SharedPromise, getMoveSet) {
82 auto f = p.getFuture();
83 auto p2 = std::move(p);
85 EXPECT_EQ(1, f.value());
88 TEST(SharedPromise, setMoveGet) {
91 auto p2 = std::move(p);
92 auto f = p2.getFuture();
93 EXPECT_EQ(1, f.value());
96 TEST(SharedPromise, moveSetGet) {
98 auto p2 = std::move(p);
100 auto f = p2.getFuture();
101 EXPECT_EQ(1, f.value());
104 TEST(SharedPromise, moveGetSet) {
105 SharedPromise<int> p;
106 auto p2 = std::move(p);
107 auto f = p2.getFuture();
109 EXPECT_EQ(1, f.value());
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);
118 p.setValue(std::make_shared<int>(1));
121 TEST(SharedPromise, setWith) {
122 SharedPromise<int> p;
123 p.setWith([]{ return 1; });
124 EXPECT_EQ(1, p.getFuture().value());
127 TEST(SharedPromise, isFulfilled) {
128 SharedPromise<int> p;
129 EXPECT_FALSE(p.isFulfilled());
130 auto p2 = std::move(p);
131 EXPECT_FALSE(p2.isFulfilled());
133 EXPECT_TRUE(p2.isFulfilled());
135 EXPECT_TRUE(p.isFulfilled());
138 TEST(SharedPromise, interruptHandler) {
139 SharedPromise<int> p;
141 p.setInterruptHandler([&](const exception_wrapper&) { flag = true; });
142 auto f = p.getFuture();