summaryrefslogtreecommitdiffstats
path: root/dom/promise/gtest/NativeThenHandler.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'dom/promise/gtest/NativeThenHandler.cpp')
-rw-r--r--dom/promise/gtest/NativeThenHandler.cpp160
1 files changed, 160 insertions, 0 deletions
diff --git a/dom/promise/gtest/NativeThenHandler.cpp b/dom/promise/gtest/NativeThenHandler.cpp
new file mode 100644
index 0000000000..13ed6d2c11
--- /dev/null
+++ b/dom/promise/gtest/NativeThenHandler.cpp
@@ -0,0 +1,160 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "gtest/gtest.h"
+
+#include "js/TypeDecls.h"
+#include "js/Value.h"
+#include "mozilla/dom/Promise.h"
+#include "mozilla/dom/Promise-inl.h"
+#include "xpcpublic.h"
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+struct TraceCounts {
+ int32_t mValue = 0;
+ int32_t mId = 0;
+ int32_t mObject = 0;
+ int32_t mWrapperCache = 0;
+ int32_t mTenuredHeapObject = 0;
+ int32_t mString = 0;
+ int32_t mScript = 0;
+ int32_t mFunction = 0;
+};
+
+struct DummyCallbacks final : public TraceCallbacks {
+ void Trace(JS::Heap<JS::Value>*, const char*, void* aClosure) const override {
+ static_cast<TraceCounts*>(aClosure)->mValue++;
+ }
+
+ void Trace(JS::Heap<jsid>*, const char*, void* aClosure) const override {
+ static_cast<TraceCounts*>(aClosure)->mId++;
+ }
+
+ void Trace(JS::Heap<JSObject*>*, const char*, void* aClosure) const override {
+ static_cast<TraceCounts*>(aClosure)->mObject++;
+ }
+
+ void Trace(nsWrapperCache*, const char* aName,
+ void* aClosure) const override {
+ static_cast<TraceCounts*>(aClosure)->mWrapperCache++;
+ }
+
+ void Trace(JS::TenuredHeap<JSObject*>*, const char*,
+ void* aClosure) const override {
+ static_cast<TraceCounts*>(aClosure)->mTenuredHeapObject++;
+ }
+
+ void Trace(JS::Heap<JSString*>*, const char*, void* aClosure) const override {
+ static_cast<TraceCounts*>(aClosure)->mString++;
+ }
+
+ void Trace(JS::Heap<JSScript*>*, const char*, void* aClosure) const override {
+ static_cast<TraceCounts*>(aClosure)->mScript++;
+ }
+
+ void Trace(JS::Heap<JSFunction*>*, const char*,
+ void* aClosure) const override {
+ static_cast<TraceCounts*>(aClosure)->mFunction++;
+ }
+};
+
+TEST(NativeThenHandler, TraceValue)
+{
+ auto onResolve = [](JSContext*, JS::Handle<JS::Value>, ErrorResult&,
+ JS::Handle<JS::Value>) -> already_AddRefed<Promise> {
+ return nullptr;
+ };
+ auto onReject = [](JSContext*, JS::Handle<JS::Value>, ErrorResult&,
+ JS::Handle<JS::Value>) -> already_AddRefed<Promise> {
+ return nullptr;
+ };
+
+ // Explicit type for backward compatibility with clang<7 / gcc<8
+ using HandlerType =
+ NativeThenHandler<decltype(onResolve), decltype(onReject), std::tuple<>,
+ std::tuple<JS::HandleValue>>;
+ RefPtr<HandlerType> handler = new HandlerType(
+ nullptr, Some(onResolve), Some(onReject), std::make_tuple(),
+ std::make_tuple(JS::UndefinedHandleValue));
+
+ TraceCounts counts;
+ NS_CYCLE_COLLECTION_PARTICIPANT(HandlerType)
+ ->Trace(handler.get(), DummyCallbacks(), &counts);
+
+ EXPECT_EQ(counts.mValue, 1);
+}
+
+TEST(NativeThenHandler, TraceObject)
+{
+ auto onResolve = [](JSContext*, JS::Handle<JS::Value>, ErrorResult&,
+ JS::Handle<JSObject*>) -> already_AddRefed<Promise> {
+ return nullptr;
+ };
+ auto onReject = [](JSContext*, JS::Handle<JS::Value>, ErrorResult&,
+ JS::Handle<JSObject*>) -> already_AddRefed<Promise> {
+ return nullptr;
+ };
+
+ AutoJSAPI jsapi;
+ MOZ_ALWAYS_TRUE(jsapi.Init(xpc::PrivilegedJunkScope()));
+ JSContext* cx = jsapi.cx();
+ JS::Rooted<JSObject*> obj(cx, JS_NewPlainObject(cx));
+
+ // Explicit type for backward compatibility with clang<7 / gcc<8
+ using HandlerType =
+ NativeThenHandler<decltype(onResolve), decltype(onReject), std::tuple<>,
+ std::tuple<JS::HandleObject>>;
+ RefPtr<HandlerType> handler = new HandlerType(
+ nullptr, Some(onResolve), Some(onReject), std::make_tuple(),
+ std::make_tuple(JS::HandleObject(obj)));
+
+ TraceCounts counts;
+ NS_CYCLE_COLLECTION_PARTICIPANT(HandlerType)
+ ->Trace(handler.get(), DummyCallbacks(), &counts);
+
+ EXPECT_EQ(counts.mObject, 1);
+}
+
+TEST(NativeThenHandler, TraceMixed)
+{
+ auto onResolve = [](JSContext*, JS::Handle<JS::Value>, ErrorResult&,
+ nsIGlobalObject*, Promise*, JS::Handle<JS::Value>,
+ JS::Handle<JSObject*>) -> already_AddRefed<Promise> {
+ return nullptr;
+ };
+ auto onReject = [](JSContext*, JS::Handle<JS::Value>, ErrorResult&,
+ nsIGlobalObject*, Promise*, JS::Handle<JS::Value>,
+ JS::Handle<JSObject*>) -> already_AddRefed<Promise> {
+ return nullptr;
+ };
+
+ AutoJSAPI jsapi;
+ MOZ_ALWAYS_TRUE(jsapi.Init(xpc::PrivilegedJunkScope()));
+ JSContext* cx = jsapi.cx();
+ nsCOMPtr<nsIGlobalObject> global = xpc::CurrentNativeGlobal(cx);
+ JS::Rooted<JSObject*> obj(cx, JS_NewPlainObject(cx));
+
+ RefPtr<Promise> promise = Promise::Create(global, IgnoreErrors());
+
+ // Explicit type for backward compatibility with clang<7 / gcc<8
+ using HandlerType =
+ NativeThenHandler<decltype(onResolve), decltype(onReject),
+ std::tuple<nsCOMPtr<nsIGlobalObject>, RefPtr<Promise>>,
+ std::tuple<JS::HandleValue, JS::HandleObject>>;
+ RefPtr<HandlerType> handler = new HandlerType(
+ nullptr, Some(onResolve), Some(onReject),
+ std::make_tuple(global, promise),
+ std::make_tuple(JS::UndefinedHandleValue, JS::HandleObject(obj)));
+
+ TraceCounts counts;
+ NS_CYCLE_COLLECTION_PARTICIPANT(HandlerType)
+ ->Trace(handler.get(), DummyCallbacks(), &counts);
+
+ EXPECT_EQ(counts.mValue, 1);
+ EXPECT_EQ(counts.mObject, 1);
+}