#include "../test.h"
SCENARIO("repeat, basic test", "[repeat][operators]"){
GIVEN("cold observable of 3 ints."){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
auto xs = sc.make_cold_observable({
on.next(100, 1),
on.next(150, 2),
on.next(200, 3),
on.completed(250)
});
WHEN("infinite repeat is launched"){
auto res = w.start(
[&]() {
return xs
.repeat()
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output contains 3 sets of ints"){
auto required = rxu::to_vector({
on.next(300, 1),
on.next(350, 2),
on.next(400, 3),
auto ys1 = sc.make_hot_observable({
on.next(100, 1)
});
auto ys2 = sc.make_hot_observable({
on.next(110, 2)
});
auto ys3 = sc.make_hot_observable({
on.next(120, 3)
});
auto xs = sc.make_cold_observable({
o_on.next(100, ys1),
o_on.next(100, ys2),
o_on.next(100, ys3),
o_on.completed(200)
});
WHEN("the first observable is selected to produce ints"){
auto res = w.start(
[&]() {
return xs
.amb()
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output is empty"){
#include "../test.h"
SCENARIO("pairwise", "[pairwise][operators]") {
GIVEN("a cold observable of n ints") {
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
const rxsc::test::messages<std::tuple<int, int>> on_pairwise;
long invoked = 0;
auto xs = sc.make_cold_observable({
on.next(180, 1),
on.next(210, 2),
on.next(240, 3),
on.next(290, 4),
on.next(350, 5),
on.completed(400),
});
WHEN("taken pairwise") {
auto res = w.start(
[xs, &invoked]() {
return xs
.pairwise()
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output contains n-1 tuples of ints"){
WHEN("deferred"){
auto empty = rx::observable<>::empty<long>();
auto just = rx::observable<>::just(42);
auto one = rx::observable<>::from(42);
auto error = rx::observable<>::error<long>(std::exception_ptr());
auto runtimeerror = rx::observable<>::error<long>(std::runtime_error("runtime"));
auto res = w.start(
[&]() {
return rx::observable<>::defer(
[&](){
invoked++;
xs.reset(sc.make_cold_observable({
on.next(100, sc.clock()),
on.completed(200)
}));
return xs.get();
})
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output stops on completion"){
auto required = rxu::to_vector({
on.next(300, 200L),
on.completed(400)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
#include "rxcpp/rx-test.hpp"
#include "catch.hpp"
SCENARIO("switch_on_next - some changes", "[switch_on_next][operators]"){
GIVEN("a source"){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
const rxsc::test::messages<rx::observable<int>> o_on;
auto ys1 = sc.make_cold_observable({
on.on_next(10, 101),
on.on_next(20, 102),
on.on_next(110, 103),
on.on_next(120, 104),
on.on_next(210, 105),
on.on_next(220, 106),
on.on_completed(230)
});
auto ys2 = sc.make_cold_observable({
on.on_next(10, 201),
on.on_next(20, 202),
on.on_next(30, 203),
on.on_next(40, 204),
on.on_completed(50)
});
auto ys3 = sc.make_cold_observable({
on.on_next(10, 301),
[&]() {
return rx::observable<>::
scope(
[&](){
return resource(rxu::to_vector({1, 2, 3, 4, 5}));
},
[&](resource r){
auto msg = std::vector<rxsc::test::messages<int>::recorded_type>();
int time = 10;
auto values = r.get();
std::for_each(values.begin(), values.end(), [&](int &v){
msg.push_back(on.next(time, v));
time += 10;
});
msg.push_back(on.completed(time));
xs.reset(sc.make_cold_observable(msg));
return xs.get();
}
)
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output stops on completion"){
auto required = rxu::to_vector({
on.next(210, 1),
on.next(220, 2),
on.next(230, 3),
on.next(240, 4),
on.next(250, 5),