2 * Copyright 2015 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 <gtest/gtest.h>
19 #include <folly/futures/Future.h>
21 using namespace folly;
23 TEST(Sugar, pollReady) {
25 auto f = p.getFuture();
27 EXPECT_EQ(42, f.poll().value().value());
30 TEST(Sugar, pollNotReady) {
32 auto f = p.getFuture();
33 EXPECT_FALSE(f.poll().hasValue());
36 TEST(Sugar, pollException) {
38 auto f = p.getFuture();
39 p.setWith([] { throw std::runtime_error("Runtime"); });
40 EXPECT_TRUE(f.poll().value().hasException());
43 TEST(Sugar, filterTrue) {
44 EXPECT_EQ(42, makeFuture(42).filter([](int){ return true; }).get());
47 TEST(Sugar, filterFalse) {
48 EXPECT_THROW(makeFuture(42).filter([](int){ return false; }).get(),
49 folly::PredicateDoesNotObtain);
52 TEST(Sugar, filterMoveonly) {
54 *makeFuture(folly::make_unique<int>(42))
55 .filter([](std::unique_ptr<int> const&) { return true; })