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#include "../test.h"
SCENARIO("create stops on completion", "[create][sources]"){
GIVEN("a test cold observable of ints"){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
long invoked = 0;
WHEN("created"){
auto res = w.start(
[&]() {
return rx::observable<>::create<int>(
[&](const rx::subscriber<int>& s){
invoked++;
s.on_next(1);
s.on_next(2);
})
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output contains all items"){
auto required = rxu::to_vector({
on.next(200, 1),
on.next(200, 2)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
THEN("create was called until completed"){
REQUIRE(1 == invoked);
}
}
}
}
SCENARIO("when observer::on_next is overridden", "[create][observer][sources]"){
GIVEN("a test cold observable of ints"){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
long invoked = 0;
WHEN("created"){
auto res = w.start(
[&]() {
return rx::observable<>::create<int>(
[&](const rx::subscriber<int>& so){
invoked++;
auto sn = rx::make_subscriber<int>(so,
rx::make_observer<int>(so.get_observer(),
[](rx::observer<int>& o, int v){
o.on_next(v + 1);
}));
sn.on_next(1);
sn.on_next(2);
})
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output contains all items incremented by 1"){
auto required = rxu::to_vector({
on.next(200, 2),
on.next(200, 3)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
THEN("create was called until completed"){
REQUIRE(1 == invoked);
}
}
}
}