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404 lines (321 loc) · 9.81 KB
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#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
#include <doctest.h>
#include <taskflow/taskflow.hpp>
// --------------------------------------------------------
// Testcase: static_task_exception
// --------------------------------------------------------
void static_task_exception(unsigned W) {
tf::Taskflow taskflow;
tf::Executor executor(W);
std::atomic<size_t> counter(0);
auto A = taskflow.emplace([&](){ counter.fetch_add(1, std::memory_order_relaxed); });
auto B = taskflow.emplace([&](){ counter.fetch_add(1, std::memory_order_relaxed); });
auto C = taskflow.emplace([&](){ counter.fetch_add(1, std::memory_order_relaxed); });
auto D = taskflow.emplace([&](){ counter.fetch_add(1, std::memory_order_relaxed); });
auto E = taskflow.emplace([&](){ counter.fetch_add(1, std::memory_order_relaxed); });
auto F = taskflow.emplace([&](){ counter.fetch_add(1, std::memory_order_relaxed); });
A.precede(B);
B.precede(C);
C.precede(D);
D.precede(E);
E.precede(F);
REQUIRE_NOTHROW(executor.run(taskflow).get());
REQUIRE(counter == 6);
counter = 0;
C.work([](){ throw std::runtime_error("x"); });
REQUIRE_THROWS_WITH_AS(executor.run(taskflow).get(), "x", std::runtime_error);
REQUIRE(counter == 2);
try {
counter = 0;
executor.run(taskflow).get();
REQUIRE(false);
}
catch(std::runtime_error& e) {
REQUIRE(counter == 2);
REQUIRE(std::strcmp(e.what(), "x") == 0);
}
}
TEST_CASE("Exception.StaticTask.1thread") {
static_task_exception(1);
}
TEST_CASE("Exception.StaticTask.2threads") {
static_task_exception(2);
}
TEST_CASE("Exception.StaticTask.3threads") {
static_task_exception(3);
}
TEST_CASE("Exception.StaticTask.4threads") {
static_task_exception(4);
}
// --------------------------------------------------------
// Testcase: condition_task_exception
// --------------------------------------------------------
void condition_task_exception(unsigned W) {
tf::Taskflow taskflow;
tf::Executor executor(W);
std::atomic<size_t> counter(0);
auto A = taskflow.emplace([&](){
counter.fetch_add(1, std::memory_order_relaxed);
return 0;
});
auto B = taskflow.emplace([&](){
counter.fetch_add(1, std::memory_order_relaxed);
return 0;
});
auto C = taskflow.emplace([&](){
counter.fetch_add(1, std::memory_order_relaxed);
return 0;
});
auto D = taskflow.emplace([&](){
counter.fetch_add(1, std::memory_order_relaxed);
return 0;
});
auto E = taskflow.emplace([&](){
counter.fetch_add(1, std::memory_order_relaxed);
return 0;
});
auto F = taskflow.emplace([&](){
counter.fetch_add(1, std::memory_order_relaxed);
return 0;
});
A.precede(B);
B.precede(C);
C.precede(D);
D.precede(E);
E.precede(F);
REQUIRE_NOTHROW(executor.run(taskflow).get());
REQUIRE(counter == 6);
counter = 0;
C.work([](){ throw std::runtime_error("x"); });
REQUIRE_THROWS_WITH_AS(executor.run(taskflow).get(), "x", std::runtime_error);
REQUIRE(counter == 2);
try {
counter = 0;
executor.run(taskflow).get();
REQUIRE(false);
}
catch(std::runtime_error& e) {
REQUIRE(counter == 2);
REQUIRE(std::strcmp(e.what(), "x") == 0);
}
}
TEST_CASE("Exception.ConditionTask.1thread") {
condition_task_exception(1);
}
TEST_CASE("Exception.ConditionTask.2threads") {
condition_task_exception(2);
}
TEST_CASE("Exception.ConditionTask.3threads") {
condition_task_exception(3);
}
TEST_CASE("Exception.ConditionTask.4threads") {
condition_task_exception(4);
}
// --------------------------------------------------------
// Testcase: multicondition_task_exception
// --------------------------------------------------------
void multicondition_task_exception(unsigned W) {
tf::Taskflow taskflow;
tf::Executor executor(W);
std::atomic<size_t> counter(0);
auto A = taskflow.emplace([&](){
tf::SmallVector<int> ret = {0};
counter.fetch_add(1, std::memory_order_relaxed);
return ret;
});
auto B = taskflow.emplace([&](){
tf::SmallVector<int> ret = {0};
counter.fetch_add(1, std::memory_order_relaxed);
return ret;
});
auto C = taskflow.emplace([&](){
tf::SmallVector<int> ret = {0};
counter.fetch_add(1, std::memory_order_relaxed);
return ret;
});
auto D = taskflow.emplace([&](){
tf::SmallVector<int> ret = {0};
counter.fetch_add(1, std::memory_order_relaxed);
return ret;
});
auto E = taskflow.emplace([&](){
tf::SmallVector<int> ret = {0};
counter.fetch_add(1, std::memory_order_relaxed);
return ret;
});
auto F = taskflow.emplace([&](){
tf::SmallVector<int> ret = {0};
counter.fetch_add(1, std::memory_order_relaxed);
return ret;
});
A.precede(B);
B.precede(C);
C.precede(D);
D.precede(E);
E.precede(F);
REQUIRE_NOTHROW(executor.run(taskflow).get());
REQUIRE(counter == 6);
counter = 0;
C.work([](){ throw std::runtime_error("x"); });
REQUIRE_THROWS_WITH_AS(executor.run(taskflow).get(), "x", std::runtime_error);
REQUIRE(counter == 2);
try {
counter = 0;
executor.run(taskflow).get();
REQUIRE(false);
}
catch(std::runtime_error& e) {
REQUIRE(counter == 2);
REQUIRE(std::strcmp(e.what(), "x") == 0);
}
}
TEST_CASE("Exception.MultiConditionTask.1thread") {
multicondition_task_exception(1);
}
TEST_CASE("Exception.MultiConditionTask.2threads") {
multicondition_task_exception(2);
}
TEST_CASE("Exception.MultiConditionTask.3threads") {
multicondition_task_exception(3);
}
TEST_CASE("Exception.MultiConditionTask.4threads") {
multicondition_task_exception(4);
}
// ----------------------------------------------------------------------------
// Subflow Task
// ----------------------------------------------------------------------------
void subflow_task_exception(unsigned W) {
tf::Taskflow taskflow;
tf::Executor executor(W);
// subflow work throws
for(int i=0; i<100; i++) {
taskflow.emplace([](tf::Subflow& sf){
throw std::runtime_error("x");
sf.emplace([](){});
sf.emplace([](){ throw std::runtime_error("y"); });
});
}
REQUIRE_THROWS_WITH_AS(executor.run(taskflow).get(), "x", std::runtime_error);
taskflow.clear();
// subflow's task throws
for(int i=0; i<100; i++) {
taskflow.emplace([](tf::Subflow& sf){
sf.emplace([](){});
sf.emplace([](){ throw std::runtime_error("y"); });
});
}
REQUIRE_THROWS_WITH_AS(executor.run(taskflow).get(), "y", std::runtime_error);
}
TEST_CASE("Exception.SubflowTask.1thread") {
subflow_task_exception(1);
}
TEST_CASE("Exception.SubflowTask.2threads") {
subflow_task_exception(2);
}
TEST_CASE("Exception.SubflowTask.3threads") {
subflow_task_exception(3);
}
TEST_CASE("Exception.SubflowTask.4threads") {
subflow_task_exception(4);
}
// ----------------------------------------------------------------------------
// Exception.AsyncTask
// ----------------------------------------------------------------------------
void async_task_exception(unsigned W) {
// executor async
tf::Executor executor(W);
auto fu1 = executor.async([](){
return 1;
});
REQUIRE(fu1.get() == 1);
auto fu2 = executor.async([](){
throw std::runtime_error("x");
});
REQUIRE_THROWS_WITH_AS(fu2.get(), "x", std::runtime_error);
// exception is caught without any action
executor.silent_async([](){
throw std::runtime_error("y");
});
executor.wait_for_all();
}
TEST_CASE("Exception.AsyncTask.1thread") {
async_task_exception(1);
}
TEST_CASE("Exception.AsyncTask.2threads") {
async_task_exception(2);
}
TEST_CASE("Exception.AsyncTask.3threads") {
async_task_exception(3);
}
TEST_CASE("Exception.AsyncTask.4threads") {
async_task_exception(4);
}
// ----------------------------------------------------------------------------
// Runtime Async Task
// ----------------------------------------------------------------------------
void runtime_async_task_exception(unsigned W) {
// executor async
tf::Executor executor(W);
tf::Taskflow taskflow;
int flag = 0;
// runtime async
auto A = taskflow.emplace([](tf::Runtime& rt){
auto fu1 = rt.async([](){ return 1; });
REQUIRE(fu1.get() == 1);
auto fu2 = rt.async([](){ throw std::runtime_error("z"); });
REQUIRE_THROWS_WITH_AS(fu2.get(), "z", std::runtime_error);
});
auto B = taskflow.emplace([&](){
flag = 1;
});
executor.run(taskflow).wait();
REQUIRE(flag == 1);
// runtime silent async
flag = 0;
taskflow.clear();
A = taskflow.emplace([&](tf::Runtime& rt){
rt.silent_async([&](){ throw std::runtime_error("a"); });
rt.corun_all(); // must join to propagate the exception to taskflow
// because async is independent of taskflow
flag = 1;
});
B = taskflow.emplace([&](){
flag = 2;
});
A.precede(B);
REQUIRE_THROWS_WITH_AS(executor.run(taskflow).get(), "a", std::runtime_error);
REQUIRE(flag == 1);
}
TEST_CASE("Exception.RuntimeAsyncTask.2threads") {
runtime_async_task_exception(2);
}
TEST_CASE("Exception.RuntimeAsyncTask.3threads") {
runtime_async_task_exception(3);
}
TEST_CASE("Exception.RuntimeAsyncTask.4threads") {
runtime_async_task_exception(4);
}
// ----------------------------------------------------------------------------
// Exception.ThreadSafety
// ----------------------------------------------------------------------------
void thread_safety(unsigned W) {
tf::Executor executor(W);
tf::Taskflow taskflow;
for(int i=0; i<1000; i++) {
taskflow.emplace([&](){ throw std::runtime_error("x"); });
}
// thread sanitizer should not report any data race
REQUIRE_THROWS_WITH_AS(executor.run(taskflow).get(), "x", std::runtime_error);
}
TEST_CASE("Exception.ThreadSafety.1thread") {
thread_safety(1);
}
TEST_CASE("Exception.ThreadSafety.2threads") {
thread_safety(2);
}
TEST_CASE("Exception.ThreadSafety.3threads") {
thread_safety(3);
}
TEST_CASE("Exception.ThreadSafety.4threads") {
thread_safety(4);
}
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