SelfDestructTest.cpp File Reference

#include <folly/executors/InlineExecutor.h>
#include <folly/futures/Future.h>
#include <folly/portability/GTest.h>

Go to the source code of this file.

Classes
class	ThrowingExecutorError
class	ThrowingExecutor

Functions
	TEST (SelfDestruct, then)
	TEST (SelfDestruct, ensure)
	TEST (SelfDestruct, throwingExecutor)
	TEST (SelfDestruct, throwingInlineExecutor)

Function Documentation

TEST	(	SelfDestruct	,
		then
	)

Definition at line 23 of file SelfDestructTest.cpp.

References EXPECT_EQ, folly::Promise< T >::getFuture(), and folly::gen::move.

                         {
  auto* p = new Promise<int>();
  auto future = p->getFuture().then([p](int x) {
    delete p;
    return x + 1;
  });
  p->setValue(123);
  EXPECT_EQ(124, std::move(future).get());
}

TEST	(	SelfDestruct	,
		ensure
	)

Definition at line 33 of file SelfDestructTest.cpp.

References EXPECT_EQ, folly::Promise< T >::getFuture(), and folly::gen::move.

                           {
  auto* p = new Promise<int>();
  auto future = p->getFuture().ensure([p] { delete p; });
  p->setValue(123);
  EXPECT_EQ(123, std::move(future).get());
}

TEST	(	SelfDestruct	,
		throwingExecutor
	)

Definition at line 52 of file SelfDestructTest.cpp.

References folly::pushmi::executor, EXPECT_EQ, folly::Promise< T >::getFuture(), and folly::gen::move.

                                     {
  ThrowingExecutor executor;
  auto* p = new Promise<int>();
  auto future =
      p->getFuture().via(&executor).onError([p](ThrowingExecutorError const&) {
        delete p;
        return 456;
      });
  p->setValue(123);
  EXPECT_EQ(456, std::move(future).get());
}

TEST	(	SelfDestruct	,
		throwingInlineExecutor
	)

Definition at line 64 of file SelfDestructTest.cpp.

References folly::pushmi::executor, EXPECT_EQ, folly::Promise< T >::getFuture(), and folly::gen::move.

                                           {
  InlineExecutor executor;

  auto* p = new Promise<int>();
  auto future = p->getFuture()
                    .via(&executor)
                    .thenValue([p](auto &&) -> int {
                      delete p;
                      throw ThrowingExecutorError("callback throws");
                    })
                    .onError([](ThrowingExecutorError const&) { return 456; });
  p->setValue(123);
  EXPECT_EQ(456, std::move(future).get());
}