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>
20 #include <folly/futures/Promise.h>
21 #include <folly/Baton.h>
23 using namespace folly;
25 TEST(Interrupt, raise) {
26 std::runtime_error eggs("eggs");
28 p.setInterruptHandler([&](const exception_wrapper& e) {
29 EXPECT_THROW(e.throwException(), decltype(eggs));
31 p.getFuture().raise(eggs);
34 TEST(Interrupt, cancel) {
36 p.setInterruptHandler([&](const exception_wrapper& e) {
37 EXPECT_THROW(e.throwException(), FutureCancellation);
39 p.getFuture().cancel();
42 TEST(Interrupt, handleThenInterrupt) {
45 p.setInterruptHandler([&](const exception_wrapper& /* e */) { flag = true; });
46 p.getFuture().cancel();
50 TEST(Interrupt, interruptThenHandle) {
53 p.getFuture().cancel();
54 p.setInterruptHandler([&](const exception_wrapper& /* e */) { flag = true; });
58 TEST(Interrupt, interruptAfterFulfilNoop) {
61 p.setInterruptHandler([&](const exception_wrapper& /* e */) { flag = true; });
63 p.getFuture().cancel();
67 TEST(Interrupt, secondInterruptNoop) {
70 p.setInterruptHandler([&](const exception_wrapper& /* e */) { count++; });
71 auto f = p.getFuture();
77 TEST(Interrupt, withinTimedOut) {
80 p.setInterruptHandler([&](const exception_wrapper& /* e */) { done.post(); });
81 p.getFuture().within(std::chrono::milliseconds(1));
82 // Give it 100ms to time out and call the interrupt handler
83 auto t = std::chrono::steady_clock::now() + std::chrono::milliseconds(100);
84 EXPECT_TRUE(done.timed_wait(t));