diff options
Diffstat (limited to 'Rx/v2/examples/doxygen/merge_delay_error.cpp')
| -rw-r--r-- | Rx/v2/examples/doxygen/merge_delay_error.cpp | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/Rx/v2/examples/doxygen/merge_delay_error.cpp b/Rx/v2/examples/doxygen/merge_delay_error.cpp new file mode 100644 index 0000000..8c28cd8 --- /dev/null +++ b/Rx/v2/examples/doxygen/merge_delay_error.cpp @@ -0,0 +1,97 @@ +#include "rxcpp/rx.hpp" +namespace rxu=rxcpp::util; + +#include "rxcpp/rx-test.hpp" +#include "catch.hpp" + +SCENARIO("merge_delay_error sample"){ + printf("//! [merge_delay_error sample]\n"); + auto o1 = rxcpp::observable<>::timer(std::chrono::milliseconds(15)).map([](int) {return 1;}); + auto o2 = rxcpp::observable<>::error<int>(std::runtime_error("Error from source\n")); + auto o3 = rxcpp::observable<>::timer(std::chrono::milliseconds(5)).map([](int) {return 3;}); + auto values = o1.merge_delay_error(o2, o3); + values. + subscribe( + [](int v){printf("OnNext: %d\n", v);}, + [](std::exception_ptr eptr) { printf("OnError %s\n", rxu::what(eptr).c_str()); }, + [](){printf("OnCompleted\n");}); + printf("//! [merge_delay_error sample]\n"); +} + +SCENARIO("implicit merge_delay_error sample"){ + printf("//! [implicit merge_delay_error sample]\n"); + auto o1 = rxcpp::observable<>::timer(std::chrono::milliseconds(15)).map([](int) {return 1;}); + auto o2 = rxcpp::observable<>::error<int>(std::runtime_error("Error from source\n")); + auto o3 = rxcpp::observable<>::timer(std::chrono::milliseconds(5)).map([](int) {return 3;}); + auto base = rxcpp::observable<>::from(o1.as_dynamic(), o2, o3); + auto values = base.merge(); + values. + subscribe( + [](int v){printf("OnNext: %d\n", v);}, + [](std::exception_ptr eptr) { printf("OnError %s\n", rxu::what(eptr).c_str()); }, + [](){printf("OnCompleted\n");}); + printf("//! [implicit merge_delay_error sample]\n"); +} + +std::string get_pid(); + +SCENARIO("threaded merge_delay_error sample"){ + printf("//! [threaded merge_delay_error sample]\n"); + printf("[thread %s] Start task\n", get_pid().c_str()); + auto o1 = rxcpp::observable<>::timer(std::chrono::milliseconds(10)).map([](int) { + printf("[thread %s] Timer1 fired\n", get_pid().c_str()); + return 1; + }); + auto o2 = rxcpp::observable<>::timer(std::chrono::milliseconds(20)).flat_map([](int) { + std::stringstream ss; + ss << "[thread " << get_pid().c_str() << "] Timer2 failed\n"; + printf("%s\n", ss.str().c_str()); + ss.str(std::string()); + ss << "(Error from thread: " << get_pid().c_str() << ")\n"; + return rxcpp::observable<>::error<int>(std::runtime_error(ss.str())); + }); + auto o3 = rxcpp::observable<>::timer(std::chrono::milliseconds(30)).map([](int) { + printf("[thread %s] Timer3 fired\n", get_pid().c_str()); + return 3; + }); + auto values = o1.merge(rxcpp::observe_on_new_thread(), o2, o3); + values. + as_blocking(). + subscribe( + [](int v){printf("[thread %s] OnNext: %d\n", get_pid().c_str(), v);}, + [](std::exception_ptr eptr) { printf("[thread %s] OnError %s\n", get_pid().c_str(), rxu::what(eptr).c_str()); }, + [](){printf("[thread %s] OnCompleted\n", get_pid().c_str());}); + printf("[thread %s] Finish task\n", get_pid().c_str()); + printf("//! [threaded merge_delay_error sample]\n"); +} + +SCENARIO("threaded implicit merge_delay_error sample"){ + printf("//! [threaded implicit merge_delay_error sample]\n"); + printf("[thread %s] Start task\n", get_pid().c_str()); + auto o1 = rxcpp::observable<>::timer(std::chrono::milliseconds(10)).map([](int) { + printf("[thread %s] Timer1 fired\n", get_pid().c_str()); + return 1; + }); + auto o2 = rxcpp::observable<>::timer(std::chrono::milliseconds(20)).flat_map([](int) { + std::stringstream ss; + ss << "[thread " << get_pid().c_str() << "] Timer2 failed\n"; + printf("%s\n", ss.str().c_str()); + ss.str(std::string()); + ss << "(Error from thread: " << get_pid().c_str() << ")\n"; + return rxcpp::observable<>::error<int>(std::runtime_error(ss.str())); + }); + auto o3 = rxcpp::observable<>::timer(std::chrono::milliseconds(30)).map([](int) { + printf("[thread %s] Timer3 fired\n", get_pid().c_str()); + return 3; + }); + auto base = rxcpp::observable<>::from(o1.as_dynamic(), o2, o3); + auto values = base.merge(rxcpp::observe_on_new_thread()); + values. + as_blocking(). + subscribe( + [](int v){printf("[thread %s] OnNext: %d\n", get_pid().c_str(), v);}, + [](std::exception_ptr eptr) { printf("[thread %s] OnError %s\n", get_pid().c_str(), rxu::what(eptr).c_str()); }, + [](){printf("[thread %s] OnCompleted\n", get_pid().c_str());}); + printf("[thread %s] Finish task\n", get_pid().c_str()); + printf("//! [threaded implicit merge_delay_error sample]\n"); +} |