EnsureTest.cpp File Reference

#include <memory>
#include <unordered_set>
#include <folly/futures/Future.h>
#include <folly/portability/GTest.h>

Go to the source code of this file.

Functions
	TEST (Ensure, basic)
	TEST (Ensure, mutableLambda)

Function Documentation

TEST	(	Ensure	,
		basic
	)

Definition at line 25 of file EnsureTest.cpp.

References count, EXPECT_EQ, EXPECT_THROW, f, folly::makeFuture(), and folly::gen::move.

                    {
  size_t count = 0;
  auto cob = [&] { count++; };
  auto f = makeFuture(42)
               .ensure(cob)
               .then([](int) { throw std::runtime_error("ensure"); })
               .ensure(cob);

  EXPECT_THROW(std::move(f).get(), std::runtime_error);
  EXPECT_EQ(2, count);
}

TEST	(	Ensure	,
		mutableLambda
	)

Definition at line 37 of file EnsureTest.cpp.

References EXPECT_EQ, EXPECT_THROW, f, folly::makeFuture(), and folly::gen::move.

                            {
  auto set = std::make_shared<std::unordered_set<int>>();
  set->insert(1);
  set->insert(2);

  auto f = makeFuture(4)
               .ensure([set]() mutable { set->clear(); })
               .thenValue([](auto&&) { throw std::runtime_error("ensure"); });

  EXPECT_EQ(0, set->size());
  EXPECT_THROW(std::move(f).get(), std::runtime_error);
}