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

680 lines
16 KiB
C++

// (C) Copyright 2008-10 Anthony Williams
//
// 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 <utility>
#include <memory>
#include <stdexcept>
#include <string>
#include <boost/test/unit_test.hpp>
#include <boost/fiber/all.hpp>
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;
};
struct B {
bool bset{ false };
B() = default;
B( bool set) :
bset{ set } {
gi = 3;
}
~B() {
if ( bset) {
gi = -1;
}
}
B( B && other) :
bset{ other.bset } {
other.bset = false;
}
B & operator=( B && other) {
if ( this == & other) return * this;
bset = other.bset;
other.bset = false;
return * this;
}
B( B const&) = delete;
B & operator=( B const&) = delete;
};
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::future< int > f( p.get_future() );
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();
}
B fn11( bool set) {
B b( set);
return b;
}
// packaged_task
void test_packaged_task_create() {
// default constructed packaged_task is not valid
boost::fibers::packaged_task< int() > t1;
BOOST_CHECK( ! t1.valid() );
// packaged_task from function
boost::fibers::packaged_task< int() > t2( fn3);
BOOST_CHECK( t2.valid() );
}
// packaged_task
void test_packaged_task_create_move() {
// default constructed packaged_task is not valid
boost::fibers::packaged_task< A() > t1;
BOOST_CHECK( ! t1.valid() );
// packaged_task from function
boost::fibers::packaged_task< A() > t2( fn9);
BOOST_CHECK( t2.valid() );
}
void test_packaged_task_create_void() {
// default constructed packaged_task is not valid
boost::fibers::packaged_task< void() > t1;
BOOST_CHECK( ! t1.valid() );
// packaged_task from function
boost::fibers::packaged_task< void() > t2( fn4);
BOOST_CHECK( t2.valid() );
}
void test_packaged_task_move() {
boost::fibers::packaged_task< int() > t1( fn3);
BOOST_CHECK( t1.valid() );
// move construction
boost::fibers::packaged_task< int() > t2( std::move( t1) );
BOOST_CHECK( ! t1.valid() );
BOOST_CHECK( t2.valid() );
// move assignment
t1 = std::move( t2);
BOOST_CHECK( t1.valid() );
BOOST_CHECK( ! t2.valid() );
}
void test_packaged_task_move_move() {
boost::fibers::packaged_task< A() > t1( fn9);
BOOST_CHECK( t1.valid() );
// move construction
boost::fibers::packaged_task< A() > t2( std::move( t1) );
BOOST_CHECK( ! t1.valid() );
BOOST_CHECK( t2.valid() );
// move assignment
t1 = std::move( t2);
BOOST_CHECK( t1.valid() );
BOOST_CHECK( ! t2.valid() );
}
void test_packaged_task_move_void() {
boost::fibers::packaged_task< void() > t1( fn4);
BOOST_CHECK( t1.valid() );
// move construction
boost::fibers::packaged_task< void() > t2( std::move( t1) );
BOOST_CHECK( ! t1.valid() );
BOOST_CHECK( t2.valid() );
// move assignment
t1 = std::move( t2);
BOOST_CHECK( t1.valid() );
BOOST_CHECK( ! t2.valid() );
}
void test_packaged_task_swap() {
boost::fibers::packaged_task< int() > t1( fn3);
BOOST_CHECK( t1.valid() );
boost::fibers::packaged_task< int() > t2;
BOOST_CHECK( ! t2.valid() );
// swap
t1.swap( t2);
BOOST_CHECK( ! t1.valid() );
BOOST_CHECK( t2.valid() );
}
void test_packaged_task_swap_move() {
boost::fibers::packaged_task< A() > t1( fn9);
BOOST_CHECK( t1.valid() );
boost::fibers::packaged_task< A() > t2;
BOOST_CHECK( ! t2.valid() );
// swap
t1.swap( t2);
BOOST_CHECK( ! t1.valid() );
BOOST_CHECK( t2.valid() );
}
void test_packaged_task_swap_void() {
boost::fibers::packaged_task< void() > t1( fn4);
BOOST_CHECK( t1.valid() );
boost::fibers::packaged_task< void() > t2;
BOOST_CHECK( ! t2.valid() );
// swap
t1.swap( t2);
BOOST_CHECK( ! t1.valid() );
BOOST_CHECK( t2.valid() );
}
void test_packaged_task_reset() {
{
boost::fibers::packaged_task< int() > p( fn3);
boost::fibers::future< int > f( p.get_future() );
BOOST_CHECK( p.valid() );
p();
BOOST_CHECK( 3 == f.get() );
// reset
p.reset();
p();
f = p.get_future();
BOOST_CHECK( 3 == f.get() );
}
{
boost::fibers::packaged_task< int() > p;
bool thrown = false;
try {
p.reset();
} catch ( boost::fibers::packaged_task_uninitialized const&) {
thrown = true;
}
BOOST_CHECK( thrown);
}
}
void test_packaged_task_reset_destruction() {
gi = 0;
boost::fibers::packaged_task< B( bool) > p( fn11);
BOOST_CHECK( p.valid() );
BOOST_CHECK( 0 == gi);
p( true);
BOOST_CHECK( 3 == gi);
// reset
p.reset();
BOOST_CHECK( -1 == gi);
p( false);
BOOST_CHECK( 3 == gi);
// reset
p.reset();
BOOST_CHECK( 3 == gi);
}
void test_packaged_task_reset_move() {
{
boost::fibers::packaged_task< A() > p( fn9);
boost::fibers::future< A > f( p.get_future() );
BOOST_CHECK( p.valid() );
p();
BOOST_CHECK( 3 == f.get().value);
// reset
p.reset();
p();
f = p.get_future();
BOOST_CHECK( 3 == f.get().value);
}
{
boost::fibers::packaged_task< A() > p;
bool thrown = false;
try {
p.reset();
} catch ( boost::fibers::packaged_task_uninitialized const&) {
thrown = true;
}
BOOST_CHECK( thrown);
}
}
void test_packaged_task_reset_void() {
{
boost::fibers::packaged_task< void() > p( fn4);
boost::fibers::future< void > f( p.get_future() );
BOOST_CHECK( p.valid() );
p();
f.get();
// reset
p.reset();
p();
f = p.get_future();
f.get();
}
{
boost::fibers::packaged_task< void() > p;
bool thrown = false;
try {
p.reset();
} catch ( boost::fibers::packaged_task_uninitialized const&) {
thrown = true;
}
BOOST_CHECK( thrown);
}
}
void test_packaged_task_get_future() {
boost::fibers::packaged_task< int() > t1( fn3);
BOOST_CHECK( t1.valid() );
// retrieve future
boost::fibers::future< int > f1 = t1.get_future();
BOOST_CHECK( f1.valid() );
// retrieve future a second time
bool thrown = false;
try {
f1 = t1.get_future();
} catch ( boost::fibers::future_already_retrieved const&) {
thrown = true;
}
BOOST_CHECK( thrown);
// move construction
boost::fibers::packaged_task< int() > t2( std::move( t1) );
BOOST_CHECK( ! t1.valid() );
BOOST_CHECK( t2.valid() );
// retrieve future from uninitialized
thrown = false;
try {
f1 = t1.get_future();
} catch ( boost::fibers::packaged_task_uninitialized const&) {
thrown = true;
}
BOOST_CHECK( thrown);
}
void test_packaged_task_get_future_move() {
boost::fibers::packaged_task< A() > t1( fn9);
BOOST_CHECK( t1.valid() );
// retrieve future
boost::fibers::future< A > f1 = t1.get_future();
BOOST_CHECK( f1.valid() );
// retrieve future a second time
bool thrown = false;
try {
f1 = t1.get_future();
} catch ( boost::fibers::future_already_retrieved const&) {
thrown = true;
}
BOOST_CHECK( thrown);
// move construction
boost::fibers::packaged_task< A() > t2( std::move( t1) );
BOOST_CHECK( ! t1.valid() );
BOOST_CHECK( t2.valid() );
// retrieve future from uninitialized
thrown = false;
try {
f1 = t1.get_future();
} catch ( boost::fibers::packaged_task_uninitialized const&) {
thrown = true;
}
BOOST_CHECK( thrown);
}
void test_packaged_task_get_future_void() {
boost::fibers::packaged_task< void() > t1( fn4);
BOOST_CHECK( t1.valid() );
// retrieve future
boost::fibers::future< void > f1 = t1.get_future();
BOOST_CHECK( f1.valid() );
// retrieve future a second time
bool thrown = false;
try {
f1 = t1.get_future();
} catch ( boost::fibers::future_already_retrieved const&) {
thrown = true;
}
BOOST_CHECK( thrown);
// move construction
boost::fibers::packaged_task< void() > t2( std::move( t1) );
BOOST_CHECK( ! t1.valid() );
BOOST_CHECK( t2.valid() );
// retrieve future from uninitialized
thrown = false;
try {
f1 = t1.get_future();
} catch ( boost::fibers::packaged_task_uninitialized const&) {
thrown = true;
}
BOOST_CHECK( thrown);
}
void test_packaged_task_exec() {
// promise takes a copyable as return type
boost::fibers::packaged_task< int() > t1( fn3);
BOOST_CHECK( t1.valid() );
boost::fibers::future< int > f1 = t1.get_future();
BOOST_CHECK( f1.valid() );
// exec
t1();
BOOST_CHECK( 3 == f1.get() );
// exec a second time
bool thrown = false;
try {
t1();
} catch ( boost::fibers::promise_already_satisfied const&) {
thrown = true;
}
BOOST_CHECK( thrown);
}
void test_packaged_task_exec_move() {
// promise takes a copyable as return type
boost::fibers::packaged_task< A() > t1( fn9);
BOOST_CHECK( t1.valid() );
boost::fibers::future< A > f1 = t1.get_future();
BOOST_CHECK( f1.valid() );
// exec
t1();
BOOST_CHECK( 3 == f1.get().value);
// exec a second time
bool thrown = false;
try {
t1();
} catch ( boost::fibers::promise_already_satisfied const&) {
thrown = true;
}
BOOST_CHECK( thrown);
}
void test_packaged_task_exec_param() {
// promise takes a copyable as return type
boost::fibers::packaged_task< int( int) > t1( fn8);
BOOST_CHECK( t1.valid() );
boost::fibers::future< int > f1 = t1.get_future();
BOOST_CHECK( f1.valid() );
// exec
t1( 3);
BOOST_CHECK( 3 == f1.get() );
// exec a second time
bool thrown = false;
try {
t1( 7);
} catch ( boost::fibers::promise_already_satisfied const&) {
thrown = true;
}
BOOST_CHECK( thrown);
//TODO: packaged_task returns a moveable-only as return type
}
void test_packaged_task_exec_ref() {
// promise takes a copyable as return type
boost::fibers::packaged_task< int&() > t1( fn7);
BOOST_CHECK( t1.valid() );
boost::fibers::future< int& > f1 = t1.get_future();
BOOST_CHECK( f1.valid() );
// exec
t1();
int & i = f1.get();
BOOST_CHECK( &gi == &i);
// exec a second time
bool thrown = false;
try {
t1();
} catch ( boost::fibers::promise_already_satisfied const&) {
thrown = true;
}
BOOST_CHECK( thrown);
//TODO: packaged_task returns a moveable-only as return type
}
void test_packaged_task_exec_void() {
// promise takes a copyable as return type
boost::fibers::packaged_task< void() > t1( fn4);
BOOST_CHECK( t1.valid() );
boost::fibers::future< void > f1 = t1.get_future();
BOOST_CHECK( f1.valid() );
// set void
t1();
f1.get();
// exec a second time
bool thrown = false;
try {
t1();
} catch ( boost::fibers::promise_already_satisfied const&) {
thrown = true;
}
BOOST_CHECK( thrown);
}
void test_packaged_task_exception() {
// promise takes a copyable as return type
boost::fibers::packaged_task< int() > t1( fn5);
BOOST_CHECK( t1.valid() );
boost::fibers::future< int > f1 = t1.get_future();
BOOST_CHECK( f1.valid() );
// exec
t1();
bool thrown = false;
try {
f1.get();
} catch ( my_exception const&) {
thrown = true;
}
BOOST_CHECK( thrown);
boost::fibers::packaged_task< int() > t2( fn5);
BOOST_CHECK( t2.valid() );
boost::fibers::future< int > f2 = t2.get_future();
BOOST_CHECK( f2.valid() );
// exec
t2();
BOOST_CHECK( f2.get_exception_ptr() );
thrown = false;
try
{ std::rethrow_exception( f2.get_exception_ptr() ); }
catch ( my_exception const&)
{ thrown = true; }
BOOST_CHECK( thrown);
}
void test_packaged_task_exception_move() {
// promise takes a moveable as return type
boost::fibers::packaged_task< A() > t1( fn10);
BOOST_CHECK( t1.valid() );
boost::fibers::future< A > f1 = t1.get_future();
BOOST_CHECK( f1.valid() );
// exec
t1();
bool thrown = false;
try {
f1.get();
} catch ( my_exception const&) {
thrown = true;
}
BOOST_CHECK( thrown);
boost::fibers::packaged_task< A() > t2( fn10);
BOOST_CHECK( t2.valid() );
boost::fibers::future< A > f2 = t2.get_future();
BOOST_CHECK( f2.valid() );
// exec
t2();
BOOST_CHECK( f2.get_exception_ptr() );
thrown = false;
try
{ std::rethrow_exception( f2.get_exception_ptr() ); }
catch ( my_exception const&)
{ thrown = true; }
BOOST_CHECK( thrown);
}
void test_packaged_task_exception_void() {
// promise takes a copyable as return type
boost::fibers::packaged_task< void() > t1( fn6);
BOOST_CHECK( t1.valid() );
boost::fibers::future< void > f1 = t1.get_future();
BOOST_CHECK( f1.valid() );
// set void
t1();
bool thrown = false;
try {
f1.get();
} catch ( my_exception const&) {
thrown = true;
}
BOOST_CHECK( thrown);
boost::fibers::packaged_task< void() > t2( fn6);
BOOST_CHECK( t2.valid() );
boost::fibers::future< void > f2 = t2.get_future();
BOOST_CHECK( f2.valid() );
// exec
t2();
BOOST_CHECK( f2.get_exception_ptr() );
thrown = false;
try {
std::rethrow_exception( f2.get_exception_ptr() );
} catch ( my_exception const&) {
thrown = true;
}
BOOST_CHECK( thrown);
}
boost::unit_test_framework::test_suite* init_unit_test_suite(int, char*[]) {
boost::unit_test_framework::test_suite* test =
BOOST_TEST_SUITE("Boost.Fiber: packaged_task test suite");
test->add(BOOST_TEST_CASE(test_packaged_task_create));
test->add(BOOST_TEST_CASE(test_packaged_task_create_move));
test->add(BOOST_TEST_CASE(test_packaged_task_create_void));
test->add(BOOST_TEST_CASE(test_packaged_task_move));
test->add(BOOST_TEST_CASE(test_packaged_task_move_move));
test->add(BOOST_TEST_CASE(test_packaged_task_move_void));
test->add(BOOST_TEST_CASE(test_packaged_task_swap));
test->add(BOOST_TEST_CASE(test_packaged_task_swap_move));
test->add(BOOST_TEST_CASE(test_packaged_task_swap_void));
test->add(BOOST_TEST_CASE(test_packaged_task_reset));
test->add(BOOST_TEST_CASE(test_packaged_task_reset_destruction));
test->add(BOOST_TEST_CASE(test_packaged_task_reset_move));
test->add(BOOST_TEST_CASE(test_packaged_task_reset_void));
test->add(BOOST_TEST_CASE(test_packaged_task_get_future));
test->add(BOOST_TEST_CASE(test_packaged_task_get_future_move));
test->add(BOOST_TEST_CASE(test_packaged_task_get_future_void));
test->add(BOOST_TEST_CASE(test_packaged_task_exec));
test->add(BOOST_TEST_CASE(test_packaged_task_exec_move));
test->add(BOOST_TEST_CASE(test_packaged_task_exec_param));
test->add(BOOST_TEST_CASE(test_packaged_task_exec_ref));
test->add(BOOST_TEST_CASE(test_packaged_task_exec_void));
test->add(BOOST_TEST_CASE(test_packaged_task_exception));
test->add(BOOST_TEST_CASE(test_packaged_task_exception_move));
test->add(BOOST_TEST_CASE(test_packaged_task_exception_void));
return test;
}