BlackMATov/promise.hpp
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add finally method

Browse Source 
https://github.com/BlackMATov/promise.hpp/issues/33
This commit is contained in:
BlackMATov
2020-01-01 03:26:41 +07:00
parent 00b102f82c
commit 661b30b395
2 changed files with 155 additions and 0 deletions
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126
untests/promise_tests.cpp
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@@ -310,6 +310,132 @@ TEST_CASE("promise") {
REQUIRE(call_fail_with_logic_error);
}
}
SECTION("finally") {
{
bool all_is_ok = false;
auto p = pr::promise<int>();
p.finally([&all_is_ok](){
all_is_ok = true;
});
REQUIRE_FALSE(all_is_ok);
p.resolve(1);
REQUIRE(all_is_ok);
}
{
bool all_is_ok = false;
auto p = pr::promise<int>();
p.finally([&all_is_ok](){
all_is_ok = true;
});
REQUIRE_FALSE(all_is_ok);
p.reject(std::make_exception_ptr(std::logic_error("hello fail")));
REQUIRE(all_is_ok);
}
{
bool all_is_ok = false;
pr::make_resolved_promise(1)
.finally([&all_is_ok](){
all_is_ok = true;
});
REQUIRE(all_is_ok);
}
{
bool all_is_ok = false;
pr::make_rejected_promise<int>(std::logic_error("hello fail"))
.finally([&all_is_ok](){
all_is_ok = true;
});
REQUIRE(all_is_ok);
}
}
SECTION("after_finally") {
{
int check_84_int = 0;
auto p = pr::promise<>();
p.finally([&check_84_int](){
check_84_int = 42;
return 100500;
}).then([&check_84_int](){
check_84_int *= 2;
});
REQUIRE(check_84_int == 0);
p.resolve();
REQUIRE(check_84_int == 84);
}
{
int check_84_int = 0;
auto p = pr::promise<>();
p.finally([&check_84_int](){
check_84_int = 42;
return 100500;
}).except([&check_84_int](std::exception_ptr){
check_84_int *= 2;
});
REQUIRE(check_84_int == 0);
p.reject(std::make_exception_ptr(std::logic_error("hello fail")));
REQUIRE(check_84_int == 84);
}
}
SECTION("failed_finally") {
{
int check_84_int = 0;
auto p = pr::promise<>();
p.finally([&check_84_int](){
check_84_int += 42;
throw std::logic_error("hello fail");
}).except([&check_84_int](std::exception_ptr e){
if ( check_hello_fail_exception(e) ) {
check_84_int += 42;
}
});
p.resolve();
REQUIRE(check_84_int == 84);
}
{
int check_84_int = 0;
auto p = pr::promise<>();
p.finally([&check_84_int](){
check_84_int += 42;
throw std::logic_error("hello fail");
}).except([&check_84_int](std::exception_ptr e){
if ( check_hello_fail_exception(e) ) {
check_84_int += 42;
}
});
p.reject(std::make_exception_ptr(std::logic_error("hello")));
REQUIRE(check_84_int == 84);
}
{
int check_84_int = 0;
auto p = pr::promise<int>();
p.finally([&check_84_int](){
check_84_int += 42;
throw std::logic_error("hello fail");
}).except([&check_84_int](std::exception_ptr e) -> int {
if ( check_hello_fail_exception(e) ) {
check_84_int += 42;
}
return 0;
});
p.resolve(1);
REQUIRE(check_84_int == 84);
}
{
int check_84_int = 0;
auto p = pr::promise<int>();
p.finally([&check_84_int](){
check_84_int += 42;
throw std::logic_error("hello fail");
}).except([&check_84_int](std::exception_ptr e) -> int {
if ( check_hello_fail_exception(e) ) {
check_84_int += 42;
}
return 0;
});
p.reject(std::make_exception_ptr(std::logic_error("hello")));
REQUIRE(check_84_int == 84);
}
}
SECTION("make_promise") {
{
int check_84_int = 0;