106 lines
3.0 KiB
C++
106 lines
3.0 KiB
C++
#include "rxcpp/rx.hpp"
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namespace rx=rxcpp;
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namespace rxu=rxcpp::util;
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namespace rxsc=rxcpp::schedulers;
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#include "rxcpp/rx-test.hpp"
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#include "catch.hpp"
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SCENARIO("take 2 - passes", "[take][passes][operators]"){
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GIVEN("a source"){
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auto sc = rxsc::make_test();
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auto w = sc.create_worker();
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const rxsc::test::messages<int> on;
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auto xs = sc.make_hot_observable({
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on.next(150, 1),
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on.next(210, 2),
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on.next(220, 3),
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on.next(230, 4),
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on.next(240, 5),
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on.completed(250)
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});
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WHEN("2 values are taken"){
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auto res = w.start(
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[xs]() {
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return xs
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.take(2)
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// forget type to workaround lambda deduction bug on msvc 2013
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.as_dynamic();
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}
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);
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THEN("the output only contains items sent while subscribed"){
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auto required = rxu::to_vector({
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on.next(210, 2),
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on.next(220, 3),
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on.completed(220)
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});
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auto actual = res.get_observer().messages();
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REQUIRE(required == actual);
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}
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THEN("there was 1 subscription/unsubscription to the source"){
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auto required = rxu::to_vector({
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on.subscribe(200, 220)
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});
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auto actual = xs.subscriptions();
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REQUIRE(required == actual);
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}
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}
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}
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}
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SCENARIO("take 2 - fails", "[take][fails][operators]"){
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GIVEN("a source"){
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auto sc = rxsc::make_test();
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auto w = sc.create_worker();
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const rxsc::test::messages<int> on;
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auto xs = sc.make_hot_observable({
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on.next(150, 1),
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on.next(210, 2),
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on.next(220, 3),
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on.next(230, 4),
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on.next(240, 5),
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on.completed(250)
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});
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WHEN("2 values are taken"){
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auto res = w.start(
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[xs]() {
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return xs
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// TYPO START
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.skip(2)
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// TYPO END
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// forget type to workaround lambda deduction bug on msvc 2013
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.as_dynamic();
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}
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);
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THEN("the output only contains items sent while subscribed"){
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auto required = rxu::to_vector({
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on.next(210, 2),
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on.next(220, 3),
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on.completed(220)
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});
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auto actual = res.get_observer().messages();
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REQUIRE(required == actual);
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}
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THEN("there was 1 subscription/unsubscription to the source"){
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auto required = rxu::to_vector({
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on.subscribe(200, 220)
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});
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auto actual = xs.subscriptions();
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REQUIRE(required == actual);
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}
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}
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}
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}
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