| #include "../test.h" |
| #include <rxcpp/operators/rx-take_while.hpp> |
| |
| namespace { |
| class not_equal_to { |
| int value; |
| public: |
| not_equal_to(int value) : value(value) { } |
| bool operator()(int i) const { |
| return i != value; |
| } |
| }; |
| } |
| |
| SCENARIO("take_while not equal to 4", "[take_while][operators]"){ |
| GIVEN("a source"){ |
| auto sc = rxsc::make_test(); |
| auto w = sc.create_worker(); |
| const rxsc::test::messages<int> on; |
| |
| auto xs = sc.make_hot_observable({ |
| on.next(150, 1), |
| on.next(210, 2), |
| on.next(220, 3), |
| on.next(230, 4), |
| on.next(240, 5), |
| on.completed(250) |
| }); |
| |
| WHEN("values before 4 are taken"){ |
| |
| auto res = w.start( |
| [xs]() { |
| return xs |
| .take_while(not_equal_to(4)) |
| .as_dynamic(); |
| } |
| ); |
| |
| THEN("the output only contains items sent while subscribed"){ |
| auto required = rxu::to_vector({ |
| on.next(210, 2), |
| on.next(220, 3), |
| on.completed(230) |
| }); |
| auto actual = res.get_observer().messages(); |
| REQUIRE(required == actual); |
| } |
| |
| THEN("there was 1 subscription/unsubscription to the source"){ |
| auto required = rxu::to_vector({ |
| on.subscribe(200, 230) |
| }); |
| auto actual = xs.subscriptions(); |
| REQUIRE(required == actual); |
| } |
| |
| } |
| } |
| } |
| |
| SCENARIO("take_while, complete after", "[take_while][operators]"){ |
| GIVEN("a source"){ |
| auto sc = rxsc::make_test(); |
| auto w = sc.create_worker(); |
| const rxsc::test::messages<int> on; |
| |
| auto xs = sc.make_hot_observable({ |
| on.next(70, 6), |
| on.next(150, 4), |
| on.next(210, 9), |
| on.next(230, 13), |
| on.next(270, 7), |
| on.next(280, 1), |
| on.next(300, -1), |
| on.next(310, 3), |
| on.next(340, 8), |
| on.next(370, 11), |
| on.next(410, 15), |
| on.next(415, 16), |
| on.next(460, 72), |
| on.next(510, 76), |
| on.next(560, 32), |
| on.next(570, -100), |
| on.next(580, -3), |
| on.next(590, 5), |
| on.next(630, 10), |
| on.completed(690) |
| }); |
| |
| WHEN("all are taken"){ |
| |
| auto res = w.start( |
| [xs]() { |
| return xs |
| .take_while(not_equal_to(0)) |
| // forget type to workaround lambda deduction bug on msvc 2013 |
| .as_dynamic(); |
| } |
| ); |
| |
| THEN("the output only contains items sent while subscribed"){ |
| auto required = rxu::to_vector({ |
| on.next(210, 9), |
| on.next(230, 13), |
| on.next(270, 7), |
| on.next(280, 1), |
| on.next(300, -1), |
| on.next(310, 3), |
| on.next(340, 8), |
| on.next(370, 11), |
| on.next(410, 15), |
| on.next(415, 16), |
| on.next(460, 72), |
| on.next(510, 76), |
| on.next(560, 32), |
| on.next(570, -100), |
| on.next(580, -3), |
| on.next(590, 5), |
| on.next(630, 10), |
| on.completed(690) |
| }); |
| auto actual = res.get_observer().messages(); |
| REQUIRE(required == actual); |
| } |
| |
| THEN("there was 1 subscription/unsubscription to the source"){ |
| auto required = rxu::to_vector({ |
| on.subscribe(200, 690) |
| }); |
| auto actual = xs.subscriptions(); |
| REQUIRE(required == actual); |
| } |
| |
| } |
| } |
| } |
| |
| SCENARIO("take_while, complete before", "[take_while][operators]"){ |
| GIVEN("a source"){ |
| auto sc = rxsc::make_test(); |
| auto w = sc.create_worker(); |
| const rxsc::test::messages<int> on; |
| |
| auto xs = sc.make_hot_observable({ |
| on.next(70, 6), |
| on.next(150, 4), |
| on.next(210, 9), |
| on.next(230, 13), |
| on.next(270, 7), |
| on.next(280, 1), |
| on.next(300, -1), |
| on.next(310, 3), |
| on.next(340, 8), |
| on.next(370, 11), |
| on.next(410, 15), |
| on.next(415, 16), |
| on.next(460, 72), |
| on.next(510, 76), |
| on.next(560, 32), |
| on.next(570, -100), |
| on.next(580, -3), |
| on.next(590, 5), |
| on.next(630, 10), |
| on.completed(690) |
| }); |
| |
| WHEN("10 values are taken"){ |
| |
| auto res = w.start( |
| [xs]() { |
| return xs |
| .take_while(not_equal_to(72)) |
| // forget type to workaround lambda deduction bug on msvc 2013 |
| .as_dynamic(); |
| } |
| ); |
| |
| THEN("the output only contains items sent while subscribed"){ |
| auto required = rxu::to_vector({ |
| on.next(210, 9), |
| on.next(230, 13), |
| on.next(270, 7), |
| on.next(280, 1), |
| on.next(300, -1), |
| on.next(310, 3), |
| on.next(340, 8), |
| on.next(370, 11), |
| on.next(410, 15), |
| on.next(415, 16), |
| on.completed(460) |
| }); |
| auto actual = res.get_observer().messages(); |
| REQUIRE(required == actual); |
| } |
| |
| THEN("there was 1 subscription/unsubscription to the source"){ |
| auto required = rxu::to_vector({ |
| on.subscribe(200, 460) |
| }); |
| auto actual = xs.subscriptions(); |
| REQUIRE(required == actual); |
| } |
| |
| } |
| } |
| } |
| |
| SCENARIO("take_while, error after", "[take_while][operators]"){ |
| GIVEN("a source"){ |
| auto sc = rxsc::make_test(); |
| auto w = sc.create_worker(); |
| const rxsc::test::messages<int> on; |
| |
| std::runtime_error ex("take_while on_error from source"); |
| |
| auto xs = sc.make_hot_observable({ |
| on.next(70, 6), |
| on.next(150, 4), |
| on.next(210, 9), |
| on.next(230, 13), |
| on.next(270, 7), |
| on.next(280, 1), |
| on.next(300, -1), |
| on.next(310, 3), |
| on.next(340, 8), |
| on.next(370, 11), |
| on.next(410, 15), |
| on.next(415, 16), |
| on.next(460, 72), |
| on.next(510, 76), |
| on.next(560, 32), |
| on.next(570, -100), |
| on.next(580, -3), |
| on.next(590, 5), |
| on.next(630, 10), |
| on.error(690, ex) |
| }); |
| |
| WHEN("all values are taken"){ |
| |
| auto res = w.start( |
| [xs]() { |
| return xs |
| .take_while(not_equal_to(0)) |
| // forget type to workaround lambda deduction bug on msvc 2013 |
| .as_dynamic(); |
| } |
| ); |
| |
| THEN("the output only contains items sent while subscribed and the error"){ |
| auto required = rxu::to_vector({ |
| on.next(210, 9), |
| on.next(230, 13), |
| on.next(270, 7), |
| on.next(280, 1), |
| on.next(300, -1), |
| on.next(310, 3), |
| on.next(340, 8), |
| on.next(370, 11), |
| on.next(410, 15), |
| on.next(415, 16), |
| on.next(460, 72), |
| on.next(510, 76), |
| on.next(560, 32), |
| on.next(570, -100), |
| on.next(580, -3), |
| on.next(590, 5), |
| on.next(630, 10), |
| on.error(690, ex) |
| }); |
| auto actual = res.get_observer().messages(); |
| REQUIRE(required == actual); |
| } |
| |
| THEN("there was 1 subscription/unsubscription to the source"){ |
| auto required = rxu::to_vector({ |
| on.subscribe(200, 690) |
| }); |
| auto actual = xs.subscriptions(); |
| REQUIRE(required == actual); |
| } |
| |
| } |
| } |
| } |
| |
| SCENARIO("take_while, error same", "[take_while][operators]"){ |
| GIVEN("a source"){ |
| auto sc = rxsc::make_test(); |
| auto w = sc.create_worker(); |
| const rxsc::test::messages<int> on; |
| |
| auto xs = sc.make_hot_observable({ |
| on.next(70, 6), |
| on.next(150, 4), |
| on.next(210, 9), |
| on.next(230, 13), |
| on.next(270, 7), |
| on.next(280, 1), |
| on.next(300, -1), |
| on.next(310, 3), |
| on.next(340, 8), |
| on.next(370, 11), |
| on.next(410, 15), |
| on.next(415, 16), |
| on.next(460, 72), |
| on.next(510, 76), |
| on.next(560, 32), |
| on.next(570, -100), |
| on.next(580, -3), |
| on.next(590, 5), |
| on.next(630, 10), |
| on.error(690, std::runtime_error("error in unsubscribed stream")) |
| }); |
| |
| WHEN("all but one values are taken"){ |
| |
| auto res = w.start( |
| [xs]() { |
| return xs |
| .take_while(not_equal_to(10)) |
| // forget type to workaround lambda deduction bug on msvc 2013 |
| .as_dynamic(); |
| } |
| ); |
| |
| THEN("the output only contains items sent while subscribed"){ |
| auto required = rxu::to_vector({ |
| on.next(210, 9), |
| on.next(230, 13), |
| on.next(270, 7), |
| on.next(280, 1), |
| on.next(300, -1), |
| on.next(310, 3), |
| on.next(340, 8), |
| on.next(370, 11), |
| on.next(410, 15), |
| on.next(415, 16), |
| on.next(460, 72), |
| on.next(510, 76), |
| on.next(560, 32), |
| on.next(570, -100), |
| on.next(580, -3), |
| on.next(590, 5), |
| on.completed(630) |
| }); |
| auto actual = res.get_observer().messages(); |
| REQUIRE(required == actual); |
| } |
| |
| THEN("there was 1 subscription/unsubscription to the source"){ |
| auto required = rxu::to_vector({ |
| on.subscribe(200, 630) |
| }); |
| auto actual = xs.subscriptions(); |
| REQUIRE(required == actual); |
| } |
| |
| } |
| } |
| } |
| |
| SCENARIO("take_while, error before", "[take_while][operators]"){ |
| GIVEN("a source"){ |
| auto sc = rxsc::make_test(); |
| auto w = sc.create_worker(); |
| const rxsc::test::messages<int> on; |
| |
| auto xs = sc.make_hot_observable({ |
| on.next(70, 6), |
| on.next(150, 4), |
| on.next(210, 9), |
| on.next(230, 13), |
| on.next(270, 7), |
| on.next(280, 1), |
| on.next(300, -1), |
| on.next(310, 3), |
| on.next(340, 8), |
| on.next(370, 11), |
| on.next(410, 15), |
| on.next(415, 16), |
| on.next(460, 72), |
| on.next(510, 76), |
| on.next(560, 32), |
| on.next(570, -100), |
| on.next(580, -3), |
| on.next(590, 5), |
| on.next(630, 10), |
| on.error(690, std::runtime_error("error in unsubscribed stream")) |
| }); |
| |
| WHEN("3 values are taken"){ |
| |
| auto res = w.start( |
| [xs]() { |
| return xs |
| .take_while(not_equal_to(1)) |
| // forget type to workaround lambda deduction bug on msvc 2013 |
| .as_dynamic(); |
| } |
| ); |
| |
| THEN("the output only contains items sent while subscribed"){ |
| auto required = rxu::to_vector({ |
| on.next(210, 9), |
| on.next(230, 13), |
| on.next(270, 7), |
| on.completed(280) |
| }); |
| auto actual = res.get_observer().messages(); |
| REQUIRE(required == actual); |
| } |
| |
| THEN("there was 1 subscription/unsubscription to the source"){ |
| auto required = rxu::to_vector({ |
| on.subscribe(200, 280) |
| }); |
| auto actual = xs.subscriptions(); |
| REQUIRE(required == actual); |
| } |
| |
| } |
| } |
| } |
| |
| SCENARIO("take_while, dispose before", "[take_while][operators]"){ |
| GIVEN("a source"){ |
| auto sc = rxsc::make_test(); |
| auto w = sc.create_worker(); |
| const rxsc::test::messages<int> on; |
| |
| auto xs = sc.make_hot_observable({ |
| on.next(70, 6), |
| on.next(150, 4), |
| on.next(210, 9), |
| on.next(230, 13), |
| on.next(270, 7), |
| on.next(280, 1), |
| on.next(300, -1), |
| on.next(310, 3), |
| on.next(340, 8), |
| on.next(370, 11), |
| on.next(410, 15), |
| on.next(415, 16), |
| on.next(460, 72), |
| on.next(510, 76), |
| on.next(560, 32), |
| on.next(570, -100), |
| on.next(580, -3), |
| on.next(590, 5), |
| on.next(630, 10) |
| }); |
| |
| WHEN("3 values are taken"){ |
| |
| auto res = w.start( |
| [xs]() { |
| return xs |
| .take_while(not_equal_to(100)) |
| // forget type to workaround lambda deduction bug on msvc 2013 |
| .as_dynamic(); |
| }, |
| 250 |
| ); |
| |
| THEN("the output only contains items sent while subscribed"){ |
| auto required = rxu::to_vector({ |
| on.next(210, 9), |
| on.next(230, 13) |
| }); |
| auto actual = res.get_observer().messages(); |
| REQUIRE(required == actual); |
| } |
| |
| THEN("there was 1 subscription/unsubscription to the source"){ |
| auto required = rxu::to_vector({ |
| on.subscribe(200, 250) |
| }); |
| auto actual = xs.subscriptions(); |
| REQUIRE(required == actual); |
| } |
| |
| } |
| } |
| } |
| |
| SCENARIO("take_while, dispose after", "[take_while][operators]"){ |
| GIVEN("a source"){ |
| auto sc = rxsc::make_test(); |
| auto w = sc.create_worker(); |
| const rxsc::test::messages<int> on; |
| |
| auto xs = sc.make_hot_observable({ |
| on.next(70, 6), |
| on.next(150, 4), |
| on.next(210, 9), |
| on.next(230, 13), |
| on.next(270, 7), |
| on.next(280, 1), |
| on.next(300, -1), |
| on.next(310, 3), |
| on.next(340, 8), |
| on.next(370, 11), |
| on.next(410, 15), |
| on.next(415, 16), |
| on.next(460, 72), |
| on.next(510, 76), |
| on.next(560, 32), |
| on.next(570, -100), |
| on.next(580, -3), |
| on.next(590, 5), |
| on.next(630, 10) |
| }); |
| |
| WHEN("3 values are taken"){ |
| |
| auto res = w.start( |
| [xs]() { |
| return xs |
| .take_while(not_equal_to(1)) |
| // forget type to workaround lambda deduction bug on msvc 2013 |
| .as_dynamic(); |
| }, |
| 400 |
| ); |
| |
| THEN("the output only contains items sent while subscribed"){ |
| auto required = rxu::to_vector({ |
| on.next(210, 9), |
| on.next(230, 13), |
| on.next(270, 7), |
| on.completed(280) |
| }); |
| auto actual = res.get_observer().messages(); |
| REQUIRE(required == actual); |
| } |
| |
| THEN("there was 1 subscription/unsubscription to the source"){ |
| auto required = rxu::to_vector({ |
| on.subscribe(200, 280) |
| }); |
| auto actual = xs.subscriptions(); |
| REQUIRE(required == actual); |
| } |
| |
| } |
| } |
| } |
| |