Magic-Mirror/gecko-dev
1
0
Fork 0
mirror of https://github.com/mozilla/gecko-dev.git synced 2024-10-13 05:15:45 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Bug 1367679. P5 - add a gtest to test chaining between different promise types. r=gerald

Browse Source 
MozReview-Commit-ID: 8l3clGN3pWd

--HG--
extra : rebase_source : 5c3a7d74649a44e9d86738942bfe58a34f63332f
extra : intermediate-source : 4811c6b4d7c4fb241c633e3c81cc8b032c69386e
extra : source : 620a6593190dbb97df105a5bb1ca5fa48d1c73be
This commit is contained in:
JW Wang 2017-05-27 22:03:57 +08:00
parent 225cfa5af7
commit 30ad12db3a
1 changed files with 57 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

57
dom/media/gtest/TestMozPromise.cpp
View File

@ -350,4 +350,61 @@ TEST(MozPromise, MoveOnlyType)
});
}
TEST(MozPromise, HeterogeneousChaining)
{
using Promise1 = MozPromise<UniquePtr<char>, bool, true>;
using Promise2 = MozPromise<UniquePtr<int>, bool, true>;
using RRValue1 = Promise1::ResolveOrRejectValue;
using RRValue2 = Promise2::ResolveOrRejectValue;
MozPromiseRequestHolder<Promise2> holder;
AutoTaskQueue atq;
RefPtr<TaskQueue> queue = atq.Queue();
RunOnTaskQueue(queue, [queue, &holder]() {
Promise1::CreateAndResolve(MakeUnique<char>(0), __func__)
->Then(queue,
__func__,
[&holder]() {
holder.Disconnect();
return Promise2::CreateAndResolve(MakeUnique<int>(0), __func__);
})
->Then(queue,
__func__,
[]() {
// Shouldn't be called for we've disconnected the request.
EXPECT_FALSE(true);
})
->Track(holder);
});
Promise1::CreateAndResolve(MakeUnique<char>(87), __func__)
->Then(queue,
__func__,
[](UniquePtr<char> aVal) {
EXPECT_EQ(87, *aVal);
return Promise2::CreateAndResolve(MakeUnique<int>(94), __func__);
},
[]() {
return Promise2::CreateAndResolve(MakeUnique<int>(95), __func__);
})
->Then(queue,
__func__,
[](UniquePtr<int> aVal) { EXPECT_EQ(94, *aVal); },
[]() { EXPECT_FALSE(true); });
Promise1::CreateAndResolve(MakeUnique<char>(87), __func__)
->Then(queue,
__func__,
[](RRValue1&& aVal) {
EXPECT_EQ(87, *aVal.ResolveValue());
return Promise2::CreateAndResolve(MakeUnique<int>(94), __func__);
})
->Then(queue, __func__, [queue](RRValue2&& aVal) {
EXPECT_EQ(94, *aVal.ResolveValue());
queue->BeginShutdown();
});
}
#undef DO_FAIL