[api] Introduce MicrotasksScope::IsRunningMicrotasks

test/cctest/test-api.cc

Index: test/cctest/test-api.cc
diff --git a/test/cctest/test-api.cc b/test/cctest/test-api.cc
index 86a2ddd9cdf932f55355d376753a4dab6afedf67..551309f86a8673f6b6b035a7aebcf55700bd034c 100644
--- a/test/cctest/test-api.cc
+++ b/test/cctest/test-api.cc
@@ -20885,6 +20885,7 @@ TEST(CallCompletedCallbackTwoExceptions) {
 
 
 static void MicrotaskOne(const v8::FunctionCallbackInfo<Value>& info) {
+  CHECK(v8::MicrotasksScope::IsRunningMicrotasks(info.GetIsolate()));
   v8::HandleScope scope(info.GetIsolate());
   v8::MicrotasksScope microtasks(info.GetIsolate(),
                                  v8::MicrotasksScope::kDoNotRunMicrotasks);
@@ -20893,6 +20894,7 @@ static void MicrotaskOne(const v8::FunctionCallbackInfo<Value>& info) {
 
 
 static void MicrotaskTwo(const v8::FunctionCallbackInfo<Value>& info) {
+  CHECK(v8::MicrotasksScope::IsRunningMicrotasks(info.GetIsolate()));
   v8::HandleScope scope(info.GetIsolate());
   v8::MicrotasksScope microtasks(info.GetIsolate(),
                                  v8::MicrotasksScope::kDoNotRunMicrotasks);
@@ -20911,6 +20913,7 @@ static void MicrotaskThree(void* data) {
 TEST(EnqueueMicrotask) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
+  CHECK(!v8::MicrotasksScope::IsRunningMicrotasks(env->GetIsolate()));
   CompileRun(
       "var ext1Calls = 0;"
       "var ext2Calls = 0;");