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/Future.h> |
18 | #include <folly/portability/GTest.h> |
19 | |
20 | using namespace folly; |
21 | |
22 | TEST(Poll, ready) { |
23 | Promise<int> p; |
24 | auto f = p.getFuture(); |
25 | p.setValue(42); |
26 | EXPECT_EQ(42, f.poll().value().value()); |
27 | } |
28 | |
29 | TEST(Poll, notReady) { |
30 | Promise<int> p; |
31 | auto f = p.getFuture(); |
32 | EXPECT_FALSE(f.poll().hasValue()); |
33 | } |
34 | |
35 | TEST(Poll, exception) { |
36 | Promise<Unit> p; |
37 | auto f = p.getFuture(); |
38 | p.setWith([] { throw std::runtime_error("Runtime" ); }); |
39 | EXPECT_TRUE(f.poll().value().hasException()); |
40 | } |
41 | |