/*
- * Copyright 2015 Facebook, Inc.
+ * Copyright 2016 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-#include <gtest/gtest.h>
#include <folly/futures/Timekeeper.h>
-#include <unistd.h>
+#include <folly/portability/GTest.h>
+#include <folly/portability/Unistd.h>
using namespace folly;
-using namespace std::chrono;
-using folly::Timekeeper;
-using Duration = folly::Duration;
+using std::chrono::milliseconds;
+std::chrono::milliseconds const zero_ms(0);
std::chrono::milliseconds const one_ms(1);
std::chrono::milliseconds const awhile(10);
std::chrono::seconds const too_long(10);
timeLord_(folly::detail::getTimekeeperSingleton())
{}
- Timekeeper* timeLord_;
+ std::shared_ptr<Timekeeper> timeLord_;
};
TEST_F(TimekeeperFixture, after) {
- Duration waited(0);
-
auto t1 = now();
auto f = timeLord_->after(awhile);
EXPECT_FALSE(f.isReady());
TEST(Timekeeper, futureGet) {
Promise<int> p;
- std::thread([&]{ p.setValue(42); }).detach();
+ auto t = std::thread([&]{ p.setValue(42); });
EXPECT_EQ(42, p.getFuture().get());
+ t.join();
}
TEST(Timekeeper, futureGetBeforeTimeout) {
// runs it by hand they're not sitting there forever wondering why it's
// blocked, and get a useful error message instead. If it does get flaky,
// empirically increase the timeout to the point where it's very improbable.
- EXPECT_EQ(42, p.getFuture().get(seconds(2)));
+ EXPECT_EQ(42, p.getFuture().get(std::chrono::seconds(2)));
t.join();
}
TEST(Timekeeper, futureGetTimeout) {
Promise<int> p;
- EXPECT_THROW(p.getFuture().get(Duration(1)), folly::TimedOut);
+ EXPECT_THROW(p.getFuture().get(one_ms), folly::TimedOut);
}
TEST(Timekeeper, futureSleep) {
}
TEST(Timekeeper, futureWithinException) {
- Promise<void> p;
+ Promise<Unit> p;
auto f = p.getFuture().within(awhile, std::runtime_error("expected"));
EXPECT_THROW(f.get(), std::runtime_error);
}
TEST(Timekeeper, onTimeout) {
bool flag = false;
makeFuture(42).delayed(one_ms)
- .onTimeout(Duration(0), [&]{ flag = true; return -1; })
+ .onTimeout(zero_ms, [&]{ flag = true; return -1; })
.get();
EXPECT_TRUE(flag);
}
TEST(Timekeeper, onTimeoutReturnsFuture) {
bool flag = false;
makeFuture(42).delayed(one_ms)
- .onTimeout(Duration(0), [&]{ flag = true; return makeFuture(-1); })
+ .onTimeout(zero_ms, [&]{ flag = true; return makeFuture(-1); })
.get();
EXPECT_TRUE(flag);
}
TEST(Timekeeper, onTimeoutVoid) {
makeFuture().delayed(one_ms)
- .onTimeout(Duration(0), [&]{
+ .onTimeout(zero_ms, [&]{
});
makeFuture().delayed(one_ms)
- .onTimeout(Duration(0), [&]{
- return makeFuture<void>(std::runtime_error("expected"));
+ .onTimeout(zero_ms, [&]{
+ return makeFuture<Unit>(std::runtime_error("expected"));
});
// just testing compilation here
}
f.cancel();
}
+TEST(Timekeeper, chainedInterruptTest) {
+ bool test = false;
+ auto f = futures::sleep(milliseconds(100)).then([&](){
+ test = true;
+ });
+ f.cancel();
+ f.wait();
+ EXPECT_FALSE(test);
+}
+
+TEST(Timekeeper, executor) {
+ class ExecutorTester : public Executor {
+ public:
+ void add(Func f) override {
+ count++;
+ f();
+ }
+ std::atomic<int> count{0};
+ };
+
+ auto f = makeFuture();
+ ExecutorTester tester;
+ f.via(&tester).within(one_ms).then([&](){}).wait();
+ EXPECT_EQ(2, tester.count);
+}
+
// TODO(5921764)
/*
TEST(Timekeeper, onTimeoutPropagates) {
bool flag = false;
EXPECT_THROW(
makeFuture(42).delayed(one_ms)
- .onTimeout(Duration(0), [&]{ flag = true; })
+ .onTimeout(zero_ms, [&]{ flag = true; })
.get(),
TimedOut);
EXPECT_TRUE(flag);
}
*/
+
+TEST_F(TimekeeperFixture, atBeforeNow) {
+ auto f = timeLord_->at(now() - too_long);
+ EXPECT_TRUE(f.isReady());
+ EXPECT_FALSE(f.hasException());
+}
+
+TEST_F(TimekeeperFixture, howToCastDuration) {
+ // I'm not sure whether this rounds up or down but it's irrelevant for the
+ // purpose of this example.
+ auto f = timeLord_->after(std::chrono::duration_cast<Duration>(
+ std::chrono::nanoseconds(1)));
+}