ulib/3party/rxcpp/Rx/v2/test/sources/empty.cpp
2024-01-10 09:33:36 +08:00

59 lines
1.7 KiB
C++

#include "../test.h"
SCENARIO("empty emits no items", "[empty][sources]"){
GIVEN("an empty source"){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
WHEN("created"){
auto res = w.start(
[]() {
return rx::observable<>::empty<int>()
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output only contains the completion message"){
auto required = rxu::to_vector({
on.completed(200)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
}
}
}
SCENARIO("empty emits no items (rx::sources)", "[empty][sources]"){
GIVEN("an empty source"){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
WHEN("created"){
using namespace rx::sources;
auto res = w.start(
[]() {
return empty<int>()
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output only contains the completion message"){
auto required = rxu::to_vector({
on.completed(200)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
}
}
}