Files
MapLibreParticleLab/test/miscellaneous/worker.cpp
John Firebaugh 5b4015ccba Reference safety for Worker after callbacks
Joining a WorkRequest now ensures that either the after callback has
already been executed, or will never be executed.

Fixes #1438
2015-05-06 14:30:02 -07:00

71 lines
1.4 KiB
C++

#include "../fixtures/util.hpp"
#include <mbgl/util/worker.hpp>
#include <mbgl/util/run_loop.hpp>
using namespace mbgl;
using namespace mbgl::util;
TEST(Worker, ExecutesWorkAndAfter) {
RunLoop loop(uv_default_loop());
Worker worker(1);
WorkRequest request;
bool didWork = false;
bool didAfter = false;
loop.invoke([&] {
request = worker.send([&] {
didWork = true;
}, [&] {
didAfter = true;
loop.stop();
});
});
uv_run(uv_default_loop(), UV_RUN_DEFAULT);
EXPECT_TRUE(didWork);
EXPECT_TRUE(didAfter);
}
TEST(Worker, WorkRequestJoinWaitsForWorkToComplete) {
RunLoop loop(uv_default_loop());
Worker worker(1);
bool didWork = false;
loop.invoke([&] {
WorkRequest request = worker.send([&] {
usleep(10000);
didWork = true;
}, [&] {});
request.join();
EXPECT_TRUE(didWork);
loop.stop();
});
uv_run(uv_default_loop(), UV_RUN_DEFAULT);
}
TEST(Worker, WorkRequestJoinCancelsAfter) {
RunLoop loop(uv_default_loop());
Worker worker(1);
bool didAfter = false;
loop.invoke([&] {
WorkRequest request = worker.send([&] {
}, [&] {
didAfter = true;
});
request.join();
loop.stop();
});
uv_run(uv_default_loop(), UV_RUN_DEFAULT);
EXPECT_FALSE(didAfter);
}