446 lines
11 KiB
C++
446 lines
11 KiB
C++
// (C) Copyright 2008-10 Anthony Williams
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <utility>
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#include <memory>
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#include <stdexcept>
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#include <string>
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#include <boost/test/unit_test.hpp>
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#include <boost/fiber/all.hpp>
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int gi = 7;
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struct my_exception : public std::runtime_error {
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my_exception() :
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std::runtime_error("my_exception") {
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}
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};
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struct A {
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A() = default;
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A( A const&) = delete;
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A( A &&) = default;
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A & operator=( A const&) = delete;
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A & operator=( A &&) = default;
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int value{ 0 };
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};
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void fn1( boost::fibers::promise< int > * p, int i) {
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boost::this_fiber::yield();
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p->set_value( i);
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}
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void fn2() {
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boost::fibers::promise< int > p;
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boost::fibers::future< int > f( p.get_future() );
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boost::this_fiber::yield();
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boost::fibers::fiber( boost::fibers::launch::dispatch, fn1, & p, 7).detach();
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boost::this_fiber::yield();
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BOOST_CHECK( 7 == f.get() );
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}
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int fn3() {
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return 3;
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}
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void fn4() {
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}
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int fn5() {
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boost::throw_exception( my_exception() );
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return 3;
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}
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void fn6() {
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boost::throw_exception( my_exception() );
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}
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int & fn7() {
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return gi;
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}
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int fn8( int i) {
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return i;
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}
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A fn9() {
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A a;
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a.value = 3;
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return a;
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}
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A fn10() {
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boost::throw_exception( my_exception() );
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return A();
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}
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// promise
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void test_promise_create() {
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// use std::allocator<> as default
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boost::fibers::promise< int > p1;
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// use std::allocator<> as user defined
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std::allocator< boost::fibers::promise< int > > alloc;
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boost::fibers::promise< int > p2( std::allocator_arg, alloc);
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}
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void test_promise_create_ref() {
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// use std::allocator<> as default
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boost::fibers::promise< int& > p1;
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// use std::allocator<> as user defined
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std::allocator< boost::fibers::promise< int& > > alloc;
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boost::fibers::promise< int& > p2( std::allocator_arg, alloc);
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}
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void test_promise_create_void() {
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// use std::allocator<> as default
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boost::fibers::promise< void > p1;
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// use std::allocator<> as user defined
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std::allocator< boost::fibers::promise< void > > alloc;
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boost::fibers::promise< void > p2( std::allocator_arg, alloc);
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}
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void test_promise_move() {
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boost::fibers::promise< int > p1;
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// move construction
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boost::fibers::promise< int > p2( std::move( p1) );
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// move assigment
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p1 = std::move( p2);
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}
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void test_promise_move_ref() {
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boost::fibers::promise< int& > p1;
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// move construction
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boost::fibers::promise< int& > p2( std::move( p1) );
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// move assigment
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p1 = std::move( p2);
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}
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void test_promise_move_void() {
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boost::fibers::promise< void > p1;
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// move construction
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boost::fibers::promise< void > p2( std::move( p1) );
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// move assigment
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p1 = std::move( p2);
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}
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void test_promise_swap() {
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boost::fibers::promise< int > p1;
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// move construction
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boost::fibers::promise< int > p2( std::move( p1) );
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// swap
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p1.swap( p2);
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}
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void test_promise_swap_ref() {
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boost::fibers::promise< int& > p1;
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// move construction
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boost::fibers::promise< int& > p2( std::move( p1) );
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// swap
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p1.swap( p2);
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}
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void test_promise_swap_void() {
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boost::fibers::promise< void > p1;
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// move construction
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boost::fibers::promise< void > p2( std::move( p1) );
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// swap
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p1.swap( p2);
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}
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void test_promise_get_future() {
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boost::fibers::promise< int > p1;
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// retrieve future
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boost::fibers::future< int > f1 = p1.get_future();
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BOOST_CHECK( f1.valid() );
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// retrieve future a second time
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bool thrown = false;
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try {
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f1 = p1.get_future();
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} catch ( boost::fibers::future_already_retrieved const&) {
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thrown = true;
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}
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BOOST_CHECK( thrown);
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// move construction
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boost::fibers::promise< int > p2( std::move( p1) );
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// retrieve future from uninitialized
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thrown = false;
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try {
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f1 = p1.get_future();
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} catch ( boost::fibers::promise_uninitialized const&) {
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thrown = true;
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}
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BOOST_CHECK( thrown);
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}
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void test_promise_get_future_ref() {
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boost::fibers::promise< int& > p1;
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// retrieve future
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boost::fibers::future< int& > f1 = p1.get_future();
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BOOST_CHECK( f1.valid() );
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// retrieve future a second time
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bool thrown = false;
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try {
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f1 = p1.get_future();
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} catch ( boost::fibers::future_already_retrieved const&) {
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thrown = true;
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}
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BOOST_CHECK( thrown);
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// move construction
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boost::fibers::promise< int& > p2( std::move( p1) );
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// retrieve future from uninitialized
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thrown = false;
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try {
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f1 = p1.get_future();
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} catch ( boost::fibers::promise_uninitialized const&) {
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thrown = true;
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}
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BOOST_CHECK( thrown);
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}
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void test_promise_get_future_void() {
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boost::fibers::promise< void > p1;
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// retrieve future
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boost::fibers::future< void > f1 = p1.get_future();
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BOOST_CHECK( f1.valid() );
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// retrieve future a second time
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bool thrown = false;
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try {
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f1 = p1.get_future();
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} catch ( boost::fibers::future_already_retrieved const&) {
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thrown = true;
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}
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BOOST_CHECK( thrown);
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// move construction
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boost::fibers::promise< void > p2( std::move( p1) );
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// retrieve future from uninitialized
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thrown = false;
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try {
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f1 = p1.get_future();
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} catch ( boost::fibers::promise_uninitialized const&) {
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thrown = true;
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}
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BOOST_CHECK( thrown);
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}
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void test_promise_set_value() {
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// promise takes a copyable as return type
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boost::fibers::promise< int > p1;
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boost::fibers::future< int > f1 = p1.get_future();
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BOOST_CHECK( f1.valid() );
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// copy value
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p1.set_value( 7);
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BOOST_CHECK( 7 == f1.get() );
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// set value a second time
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bool thrown = false;
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try {
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p1.set_value( 11);
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} catch ( boost::fibers::promise_already_satisfied const&) {
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thrown = true;
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}
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BOOST_CHECK( thrown);
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}
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void test_promise_set_value_move() {
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// promise takes a copyable as return type
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boost::fibers::promise< A > p1;
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boost::fibers::future< A > f1 = p1.get_future();
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BOOST_CHECK( f1.valid() );
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// move value
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A a1; a1.value = 7;
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p1.set_value( std::move( a1) );
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A a2 = f1.get();
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BOOST_CHECK( 7 == a2.value);
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// set value a second time
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bool thrown = false;
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try {
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A a;
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p1.set_value( std::move( a) );
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} catch ( boost::fibers::promise_already_satisfied const&) {
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thrown = true;
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}
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BOOST_CHECK( thrown);
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}
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void test_promise_set_value_ref() {
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// promise takes a reference as return type
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boost::fibers::promise< int& > p1;
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boost::fibers::future< int& > f1 = p1.get_future();
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BOOST_CHECK( f1.valid() );
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// copy value
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int i = 7;
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p1.set_value( i);
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int & j = f1.get();
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BOOST_CHECK( &i == &j);
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// set value a second time
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bool thrown = false;
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try {
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p1.set_value( i);
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} catch ( boost::fibers::promise_already_satisfied const&) {
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thrown = true;
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}
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BOOST_CHECK( thrown);
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}
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void test_promise_set_value_void() {
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// promise takes a copyable as return type
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boost::fibers::promise< void > p1;
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boost::fibers::future< void > f1 = p1.get_future();
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BOOST_CHECK( f1.valid() );
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// set void
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p1.set_value();
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f1.get();
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// set value a second time
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bool thrown = false;
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try {
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p1.set_value();
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} catch ( boost::fibers::promise_already_satisfied const&) {
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thrown = true;
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}
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BOOST_CHECK( thrown);
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}
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void test_promise_set_exception() {
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boost::fibers::promise< int > p1;
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boost::fibers::future< int > f1 = p1.get_future();
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BOOST_CHECK( f1.valid() );
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p1.set_exception( std::make_exception_ptr( my_exception() ) );
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// set exception a second time
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bool thrown = false;
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try {
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p1.set_exception( std::make_exception_ptr( my_exception() ) );
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} catch ( boost::fibers::promise_already_satisfied const&) {
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thrown = true;
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}
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BOOST_CHECK( thrown);
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// set value
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thrown = false;
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try
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{ p1.set_value( 11); }
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catch ( boost::fibers::promise_already_satisfied const&)
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{ thrown = true; }
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BOOST_CHECK( thrown);
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}
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void test_promise_set_exception_ref() {
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boost::fibers::promise< int& > p1;
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boost::fibers::future< int& > f1 = p1.get_future();
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BOOST_CHECK( f1.valid() );
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p1.set_exception( std::make_exception_ptr( my_exception() ) );
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// set exception a second time
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bool thrown = false;
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try {
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p1.set_exception( std::make_exception_ptr( my_exception() ) );
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} catch ( boost::fibers::promise_already_satisfied const&) {
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thrown = true;
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}
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BOOST_CHECK( thrown);
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// set value
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thrown = false;
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int i = 11;
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try {
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p1.set_value( i);
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} catch ( boost::fibers::promise_already_satisfied const&) {
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thrown = true;
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}
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BOOST_CHECK( thrown);
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}
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void test_promise_set_exception_void() {
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boost::fibers::promise< void > p1;
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boost::fibers::future< void > f1 = p1.get_future();
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BOOST_CHECK( f1.valid() );
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p1.set_exception( std::make_exception_ptr( my_exception() ) );
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// set exception a second time
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bool thrown = false;
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try {
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p1.set_exception( std::make_exception_ptr( my_exception() ) );
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} catch ( boost::fibers::promise_already_satisfied const&) {
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thrown = true;
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}
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BOOST_CHECK( thrown);
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// set value
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thrown = false;
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try {
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p1.set_value();
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} catch ( boost::fibers::promise_already_satisfied const&) {
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thrown = true;
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}
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BOOST_CHECK( thrown);
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}
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boost::unit_test_framework::test_suite* init_unit_test_suite(int, char*[]) {
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boost::unit_test_framework::test_suite* test =
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BOOST_TEST_SUITE("Boost.Fiber: promise test suite");
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test->add(BOOST_TEST_CASE(test_promise_create));
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test->add(BOOST_TEST_CASE(test_promise_create_ref));
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test->add(BOOST_TEST_CASE(test_promise_create_void));
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test->add(BOOST_TEST_CASE(test_promise_move));
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test->add(BOOST_TEST_CASE(test_promise_move_ref));
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test->add(BOOST_TEST_CASE(test_promise_move_void));
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test->add(BOOST_TEST_CASE(test_promise_swap));
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test->add(BOOST_TEST_CASE(test_promise_swap_ref));
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test->add(BOOST_TEST_CASE(test_promise_swap_void));
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test->add(BOOST_TEST_CASE(test_promise_get_future));
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test->add(BOOST_TEST_CASE(test_promise_get_future_ref));
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test->add(BOOST_TEST_CASE(test_promise_get_future_void));
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test->add(BOOST_TEST_CASE(test_promise_set_value));
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test->add(BOOST_TEST_CASE(test_promise_set_value_move));
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test->add(BOOST_TEST_CASE(test_promise_set_value_ref));
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test->add(BOOST_TEST_CASE(test_promise_set_value_void));
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test->add(BOOST_TEST_CASE(test_promise_set_exception));
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test->add(BOOST_TEST_CASE(test_promise_set_exception_ref));
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test->add(BOOST_TEST_CASE(test_promise_set_exception_void));
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return test;
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}
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