101 lines
2.9 KiB
C++
101 lines
2.9 KiB
C++
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#include "rxcpp/rx.hpp"
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#include "rxcpp/rx-test.hpp"
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#include "catch.hpp"
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SCENARIO("Create sample"){
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printf("//! [Create sample]\n");
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auto ints = rxcpp::observable<>::create<int>(
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[](rxcpp::subscriber<int> s){
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s.on_next(1);
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s.on_next(2);
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s.on_completed();
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});
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ints.
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subscribe(
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[](int v){printf("OnNext: %d\n", v);},
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[](){printf("OnCompleted\n");});
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printf("//! [Create sample]\n");
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}
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SCENARIO("Create bad code"){
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printf("//! [Create bad code]\n");
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auto subscription = rxcpp::composite_subscription();
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auto subscriber = rxcpp::make_subscriber<int>(
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subscription,
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[&](int v){
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printf("OnNext: %d\n", v);
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if (v == 2)
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subscription.unsubscribe();
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},
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[](){
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printf("OnCompleted\n");
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});
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rxcpp::observable<>::create<int>(
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[](rxcpp::subscriber<int> s){
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for (int i = 0; i < 5; ++i) {
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s.on_next(i);
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printf("Just sent: OnNext(%d)\n", i);
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}
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s.on_completed();
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printf("Just sent: OnCompleted()\n");
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}).subscribe(subscriber);
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printf("//! [Create bad code]\n");
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}
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SCENARIO("Create good code"){
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printf("//! [Create good code]\n");
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auto subscription = rxcpp::composite_subscription();
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auto subscriber = rxcpp::make_subscriber<int>(
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subscription,
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[&](int v){
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printf("OnNext: %d\n", v);
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if (v == 2)
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subscription.unsubscribe();
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},
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[](){
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printf("OnCompleted\n");
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});
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rxcpp::observable<>::create<int>(
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[](rxcpp::subscriber<int> s){
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for (int i = 0; i < 5; ++i) {
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if (!s.is_subscribed()) // Stop emitting if nobody is listening
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break;
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s.on_next(i);
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printf("Just sent: OnNext(%d)\n", i);
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}
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s.on_completed();
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printf("Just sent: OnCompleted()\n");
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}).subscribe(subscriber);
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printf("//! [Create good code]\n");
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}
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SCENARIO("Create great code"){
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printf("//! [Create great code]\n");
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auto ints = rxcpp::observable<>::create<int>(
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[](rxcpp::subscriber<int> s){
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for (int i = 0; i < 5; ++i) {
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if (!s.is_subscribed()) // Stop emitting if nobody is listening
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break;
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s.on_next(i);
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printf("Just sent: OnNext(%d)\n", i);
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}
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s.on_completed();
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printf("Just sent: OnCompleted()\n");
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});
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ints.
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take(2).
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subscribe(
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[](int v){
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printf("OnNext: %d\n", v);
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},
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[](rxcpp::util::error_ptr ep){
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printf("OnError: %s\n", rxcpp::util::what(ep).c_str());
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},
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[](){
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printf("OnCompleted\n");
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});
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printf("//! [Create great code]\n");
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}
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