fiber/test/test_shared_future_post.cpp
2017-05-30 20:25:57 +02:00

609 lines
17 KiB
C++

// (C) Copyright 2008-10 Anthony Williams
// 2015 Oliver Kowalke
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#include <chrono>
#include <memory>
#include <stdexcept>
#include <string>
#include <utility>
#include <boost/test/unit_test.hpp>
#include <boost/fiber/all.hpp>
typedef std::chrono::milliseconds ms;
typedef std::chrono::high_resolution_clock Clock;
int gi = 7;
struct my_exception : public std::runtime_error {
my_exception() :
std::runtime_error("my_exception") {
}
};
struct A {
A() = default;
A( A const&) = delete;
A( A &&) = default;
A & operator=( A const&) = delete;
A & operator=( A &&) = default;
int value;
};
void fn1( boost::fibers::promise< int > * p, int i) {
boost::this_fiber::yield();
p->set_value( i);
}
void fn2() {
boost::fibers::promise< int > p;
boost::fibers::shared_future< int > f( p.get_future().share() );
boost::this_fiber::yield();
boost::fibers::fiber( boost::fibers::launch::post, fn1, & p, 7).detach();
boost::this_fiber::yield();
BOOST_CHECK( 7 == f.get() );
}
int fn3() {
return 3;
}
void fn4() {
}
int fn5() {
boost::throw_exception( my_exception() );
return 3;
}
void fn6() {
boost::throw_exception( my_exception() );
}
int & fn7() {
return gi;
}
int fn8( int i) {
return i;
}
A fn9() {
A a;
a.value = 3;
return a;
}
A fn10() {
boost::throw_exception( my_exception() );
return A();
}
void fn11( boost::fibers::promise< int > p) {
boost::this_fiber::sleep_for( ms(500) );
p.set_value(3);
}
void fn12( boost::fibers::promise< int& > p) {
boost::this_fiber::sleep_for( ms(500) );
gi = 5;
p.set_value( gi);
}
void fn13( boost::fibers::promise< void > p) {
boost::this_fiber::sleep_for( ms(500) );
p.set_value();
}
// shared_future
void test_shared_future_create() {
{
// default constructed and assigned shared_future is not valid
boost::fibers::shared_future< int > f1;
boost::fibers::shared_future< int > f2 = f1;
BOOST_CHECK( ! f1.valid() );
BOOST_CHECK( ! f2.valid() );
}
{
// shared_future retrieved from promise is valid
boost::fibers::promise< int > p;
boost::fibers::shared_future< int > f1 = p.get_future();
boost::fibers::shared_future< int > f2 = f1;
BOOST_CHECK( f1.valid() );
BOOST_CHECK( f2.valid() );
}
}
void test_shared_future_create_ref() {
{
// default constructed and assigned shared_future is not valid
boost::fibers::shared_future< int& > f1;
boost::fibers::shared_future< int& > f2 = f1;
BOOST_CHECK( ! f1.valid() );
BOOST_CHECK( ! f2.valid() );
}
{
// shared_future retrieved from promise is valid
boost::fibers::promise< int& > p;
boost::fibers::shared_future< int& > f1 = p.get_future();
boost::fibers::shared_future< int& > f2 = f1;
BOOST_CHECK( f1.valid() );
BOOST_CHECK( f2.valid() );
}
}
void test_shared_future_create_void() {
{
// default constructed and assigned shared_future is not valid
boost::fibers::shared_future< void > f1;
boost::fibers::shared_future< void > f2 = f1;
BOOST_CHECK( ! f1.valid() );
BOOST_CHECK( ! f2.valid() );
}
{
// shared_future retrieved from promise is valid
boost::fibers::promise< void > p;
boost::fibers::shared_future< void > f1 = p.get_future();
boost::fibers::shared_future< void > f2 = f1;
BOOST_CHECK( f1.valid() );
BOOST_CHECK( f2.valid() );
}
}
void test_shared_future_get() {
// future retrieved from promise is valid (if it is the first)
boost::fibers::promise< int > p1;
p1.set_value( 7);
boost::fibers::shared_future< int > f1 = p1.get_future().share();
BOOST_CHECK( f1.valid() );
// get
BOOST_CHECK( ! f1.get_exception_ptr() );
BOOST_CHECK( 7 == f1.get() );
BOOST_CHECK( f1.valid() );
// throw broken_promise if promise is destroyed without set
{
boost::fibers::promise< int > p2;
f1 = p2.get_future().share();
}
bool thrown = false;
try {
f1.get();
} catch ( boost::fibers::broken_promise const&) {
thrown = true;
}
BOOST_CHECK( f1.valid() );
BOOST_CHECK( thrown);
}
void test_shared_future_get_move() {
// future retrieved from promise is valid (if it is the first)
boost::fibers::promise< A > p1;
A a; a.value = 7;
p1.set_value( std::move( a) );
boost::fibers::shared_future< A > f1 = p1.get_future().share();
BOOST_CHECK( f1.valid() );
// get
BOOST_CHECK( ! f1.get_exception_ptr() );
BOOST_CHECK( 7 == f1.get().value);
BOOST_CHECK( f1.valid() );
// throw broken_promise if promise is destroyed without set
{
boost::fibers::promise< A > p2;
f1 = p2.get_future().share();
}
bool thrown = false;
try {
f1.get();
} catch ( boost::fibers::broken_promise const&) {
thrown = true;
}
BOOST_CHECK( f1.valid() );
BOOST_CHECK( thrown);
}
void test_shared_future_get_ref() {
// future retrieved from promise is valid (if it is the first)
boost::fibers::promise< int& > p1;
int i = 7;
p1.set_value( i);
boost::fibers::shared_future< int& > f1 = p1.get_future().share();
BOOST_CHECK( f1.valid() );
// get
BOOST_CHECK( ! f1.get_exception_ptr() );
int & j = f1.get();
BOOST_CHECK( &i == &j);
BOOST_CHECK( f1.valid() );
// throw broken_promise if promise is destroyed without set
{
boost::fibers::promise< int& > p2;
f1 = p2.get_future().share();
}
bool thrown = false;
try {
f1.get();
} catch ( boost::fibers::broken_promise const&) {
thrown = true;
}
BOOST_CHECK( f1.valid() );
BOOST_CHECK( thrown);
}
void test_shared_future_get_void() {
// future retrieved from promise is valid (if it is the first)
boost::fibers::promise< void > p1;
p1.set_value();
boost::fibers::shared_future< void > f1 = p1.get_future().share();
BOOST_CHECK( f1.valid() );
// get
BOOST_CHECK( ! f1.get_exception_ptr() );
f1.get();
BOOST_CHECK( f1.valid() );
// throw broken_promise if promise is destroyed without set
{
boost::fibers::promise< void > p2;
f1 = p2.get_future().share();
}
bool thrown = false;
try {
f1.get();
} catch ( boost::fibers::broken_promise const&) {
thrown = true;
}
BOOST_CHECK( f1.valid() );
BOOST_CHECK( thrown);
}
void test_future_share() {
// future retrieved from promise is valid (if it is the first)
boost::fibers::promise< int > p1;
int i = 7;
p1.set_value( i);
boost::fibers::future< int > f1 = p1.get_future();
BOOST_CHECK( f1.valid() );
// share
boost::fibers::shared_future< int > sf1 = f1.share();
BOOST_CHECK( sf1.valid() );
BOOST_CHECK( ! f1.valid() );
// get
BOOST_CHECK( ! sf1.get_exception_ptr() );
int j = sf1.get();
BOOST_CHECK_EQUAL( i, j);
BOOST_CHECK( sf1.valid() );
}
void test_future_share_ref() {
// future retrieved from promise is valid (if it is the first)
boost::fibers::promise< int& > p1;
int i = 7;
p1.set_value( i);
boost::fibers::future< int& > f1 = p1.get_future();
BOOST_CHECK( f1.valid() );
// share
boost::fibers::shared_future< int& > sf1 = f1.share();
BOOST_CHECK( sf1.valid() );
BOOST_CHECK( ! f1.valid() );
// get
BOOST_CHECK( ! sf1.get_exception_ptr() );
int & j = sf1.get();
BOOST_CHECK( &i == &j);
BOOST_CHECK( sf1.valid() );
}
void test_future_share_void() {
// future retrieved from promise is valid (if it is the first)
boost::fibers::promise< void > p1;
p1.set_value();
boost::fibers::future< void > f1 = p1.get_future();
BOOST_CHECK( f1.valid() );
// share
boost::fibers::shared_future< void > sf1 = f1.share();
BOOST_CHECK( sf1.valid() );
BOOST_CHECK( ! f1.valid() );
// get
BOOST_CHECK( ! sf1.get_exception_ptr() );
sf1.get();
BOOST_CHECK( sf1.valid() );
}
void test_shared_future_wait() {
// future retrieved from promise is valid (if it is the first)
boost::fibers::promise< int > p1;
boost::fibers::shared_future< int > f1 = p1.get_future().share();
// wait on future
p1.set_value( 7);
f1.wait();
BOOST_CHECK( 7 == f1.get() );
}
void test_shared_future_wait_ref() {
// future retrieved from promise is valid (if it is the first)
boost::fibers::promise< int& > p1;
boost::fibers::shared_future< int& > f1 = p1.get_future().share();
// wait on future
int i = 7;
p1.set_value( i);
f1.wait();
int & j = f1.get();
BOOST_CHECK( &i == &j);
}
void test_shared_future_wait_void() {
// future retrieved from promise is valid (if it is the first)
boost::fibers::promise< void > p1;
boost::fibers::shared_future< void > f1 = p1.get_future().share();
// wait on future
p1.set_value();
f1.wait();
f1.get();
BOOST_CHECK( f1.valid() );
}
void test_shared_future_wait_for() {
// future retrieved from promise is valid (if it is the first)
boost::fibers::promise< int > p1;
boost::fibers::shared_future< int > f1 = p1.get_future().share();
boost::fibers::fiber( boost::fibers::launch::post, fn11, std::move( p1) ).detach();
// wait on future
BOOST_CHECK( f1.valid() );
boost::fibers::future_status status = f1.wait_for( ms(300) );
BOOST_CHECK( boost::fibers::future_status::timeout == status);
BOOST_CHECK( f1.valid() );
status = f1.wait_for( ms(300) );
BOOST_CHECK( boost::fibers::future_status::ready == status);
BOOST_CHECK( f1.valid() );
f1.wait();
}
void test_shared_future_wait_for_ref() {
// future retrieved from promise is valid (if it is the first)
boost::fibers::promise< int& > p1;
boost::fibers::shared_future< int& > f1 = p1.get_future().share();
boost::fibers::fiber( boost::fibers::launch::post, fn12, std::move( p1) ).detach();
// wait on future
BOOST_CHECK( f1.valid() );
boost::fibers::future_status status = f1.wait_for( ms(300) );
BOOST_CHECK( boost::fibers::future_status::timeout == status);
BOOST_CHECK( f1.valid() );
status = f1.wait_for( ms(300) );
BOOST_CHECK( boost::fibers::future_status::ready == status);
BOOST_CHECK( f1.valid() );
f1.wait();
}
void test_shared_future_wait_for_void() {
// future retrieved from promise is valid (if it is the first)
boost::fibers::promise< void > p1;
boost::fibers::shared_future< void > f1 = p1.get_future().share();
boost::fibers::fiber( boost::fibers::launch::post, fn13, std::move( p1) ).detach();
// wait on future
BOOST_CHECK( f1.valid() );
boost::fibers::future_status status = f1.wait_for( ms(300) );
BOOST_CHECK( boost::fibers::future_status::timeout == status);
BOOST_CHECK( f1.valid() );
status = f1.wait_for( ms(300) );
BOOST_CHECK( boost::fibers::future_status::ready == status);
BOOST_CHECK( f1.valid() );
f1.wait();
}
void test_shared_future_wait_until() {
// future retrieved from promise is valid (if it is the first)
boost::fibers::promise< int > p1;
boost::fibers::shared_future< int > f1 = p1.get_future().share();
boost::fibers::fiber( boost::fibers::launch::post, fn11, std::move( p1) ).detach();
// wait on future
BOOST_CHECK( f1.valid() );
boost::fibers::future_status status = f1.wait_until( Clock::now() + ms(300) );
BOOST_CHECK( boost::fibers::future_status::timeout == status);
BOOST_CHECK( f1.valid() );
status = f1.wait_until( Clock::now() + ms(300) );
BOOST_CHECK( boost::fibers::future_status::ready == status);
BOOST_CHECK( f1.valid() );
f1.wait();
}
void test_shared_future_wait_until_ref() {
// future retrieved from promise is valid (if it is the first)
boost::fibers::promise< int& > p1;
boost::fibers::shared_future< int& > f1 = p1.get_future().share();
boost::fibers::fiber( boost::fibers::launch::post, fn12, std::move( p1) ).detach();
// wait on future
BOOST_CHECK( f1.valid() );
boost::fibers::future_status status = f1.wait_until( Clock::now() + ms(300) );
BOOST_CHECK( boost::fibers::future_status::timeout == status);
BOOST_CHECK( f1.valid() );
status = f1.wait_until( Clock::now() + ms(300) );
BOOST_CHECK( boost::fibers::future_status::ready == status);
BOOST_CHECK( f1.valid() );
f1.wait();
}
void test_shared_future_wait_until_void() {
// future retrieved from promise is valid (if it is the first)
boost::fibers::promise< void > p1;
boost::fibers::shared_future< void > f1 = p1.get_future().share();
boost::fibers::fiber( boost::fibers::launch::post, fn13, std::move( p1) ).detach();
// wait on future
BOOST_CHECK( f1.valid() );
boost::fibers::future_status status = f1.wait_until( Clock::now() + ms(300) );
BOOST_CHECK( boost::fibers::future_status::timeout == status);
BOOST_CHECK( f1.valid() );
status = f1.wait_until( Clock::now() + ms(300) );
BOOST_CHECK( boost::fibers::future_status::ready == status);
BOOST_CHECK( f1.valid() );
f1.wait();
}
void test_shared_future_wait_with_fiber_1() {
boost::fibers::promise< int > p1;
boost::fibers::fiber( boost::fibers::launch::post, fn1, & p1, 7).detach();
boost::fibers::shared_future< int > f1 = p1.get_future().share();
// wait on future
BOOST_CHECK( 7 == f1.get() );
}
void test_shared_future_wait_with_fiber_2() {
boost::fibers::fiber( boost::fibers::launch::post, fn2).join();
}
void test_shared_future_move() {
// future retrieved from promise is valid (if it is the first)
boost::fibers::promise< int > p1;
boost::fibers::shared_future< int > f1 = p1.get_future().share();
BOOST_CHECK( f1.valid() );
// move construction
boost::fibers::shared_future< int > f2( std::move( f1) );
BOOST_CHECK( ! f1.valid() );
BOOST_CHECK( f2.valid() );
// move assignment
f1 = std::move( f2);
BOOST_CHECK( f1.valid() );
BOOST_CHECK( ! f2.valid() );
}
void test_shared_future_move_move() {
// future retrieved from promise is valid (if it is the first)
boost::fibers::promise< A > p1;
boost::fibers::shared_future< A > f1 = p1.get_future().share();
BOOST_CHECK( f1.valid() );
// move construction
boost::fibers::shared_future< A > f2( std::move( f1) );
BOOST_CHECK( ! f1.valid() );
BOOST_CHECK( f2.valid() );
// move assignment
f1 = std::move( f2);
BOOST_CHECK( f1.valid() );
BOOST_CHECK( ! f2.valid() );
}
void test_shared_future_move_ref() {
// future retrieved from promise is valid (if it is the first)
boost::fibers::promise< int& > p1;
boost::fibers::shared_future< int& > f1 = p1.get_future().share();
BOOST_CHECK( f1.valid() );
// move construction
boost::fibers::shared_future< int& > f2( std::move( f1) );
BOOST_CHECK( ! f1.valid() );
BOOST_CHECK( f2.valid() );
// move assignment
f1 = std::move( f2);
BOOST_CHECK( f1.valid() );
BOOST_CHECK( ! f2.valid() );
}
void test_shared_future_move_void() {
// future retrieved from promise is valid (if it is the first)
boost::fibers::promise< void > p1;
boost::fibers::shared_future< void > f1 = p1.get_future().share();
BOOST_CHECK( f1.valid() );
// move construction
boost::fibers::shared_future< void > f2( std::move( f1) );
BOOST_CHECK( ! f1.valid() );
BOOST_CHECK( f2.valid() );
// move assignment
f1 = std::move( f2);
BOOST_CHECK( f1.valid() );
BOOST_CHECK( ! f2.valid() );
}
boost::unit_test_framework::test_suite* init_unit_test_suite(int, char*[]) {
boost::unit_test_framework::test_suite* test =
BOOST_TEST_SUITE("Boost.Fiber: shared_future test suite");
test->add(BOOST_TEST_CASE(test_shared_future_create));
test->add(BOOST_TEST_CASE(test_shared_future_create_ref));
test->add(BOOST_TEST_CASE(test_shared_future_create_void));
test->add(BOOST_TEST_CASE(test_shared_future_move));
test->add(BOOST_TEST_CASE(test_shared_future_move_move));
test->add(BOOST_TEST_CASE(test_shared_future_move_ref));
test->add(BOOST_TEST_CASE(test_shared_future_move_void));
test->add(BOOST_TEST_CASE(test_shared_future_get));
test->add(BOOST_TEST_CASE(test_shared_future_get_move));
test->add(BOOST_TEST_CASE(test_shared_future_get_ref));
test->add(BOOST_TEST_CASE(test_shared_future_get_void));
test->add(BOOST_TEST_CASE(test_shared_future_wait));
test->add(BOOST_TEST_CASE(test_shared_future_wait_ref));
test->add(BOOST_TEST_CASE(test_shared_future_wait_void));
test->add(BOOST_TEST_CASE(test_shared_future_wait_for));
test->add(BOOST_TEST_CASE(test_shared_future_wait_for_ref));
test->add(BOOST_TEST_CASE(test_shared_future_wait_for_void));
test->add(BOOST_TEST_CASE(test_shared_future_wait_until));
test->add(BOOST_TEST_CASE(test_shared_future_wait_until_ref));
test->add(BOOST_TEST_CASE(test_shared_future_wait_until_void));
test->add(BOOST_TEST_CASE(test_shared_future_wait_with_fiber_1));
test->add(BOOST_TEST_CASE(test_shared_future_wait_with_fiber_2));
return test;
}