EXPECT_EQ(DO_NOTHING, action.type);
}
+
+TEST_F(GCIdleTimeHandlerTest, ZeroIdleTimeNothingToDo) {
+ GCIdleTimeHandler::HeapState heap_state = DefaultHeapState();
+ int idle_time_ms = 0;
+ GCIdleTimeAction action = handler()->Compute(idle_time_ms, heap_state);
+ EXPECT_EQ(DO_NOTHING, action.type);
+}
+
+
+TEST_F(GCIdleTimeHandlerTest, ZeroIdleTimeDoNothingButStartIdleRound) {
+ GCIdleTimeHandler::HeapState heap_state = DefaultHeapState();
+ int idle_time_ms = 10;
+ for (int i = 0; i < GCIdleTimeHandler::kMaxMarkCompactsInIdleRound; i++) {
+ GCIdleTimeAction action = handler()->Compute(idle_time_ms, heap_state);
+ if (action.type == DONE) break;
+ EXPECT_EQ(DO_INCREMENTAL_MARKING, action.type);
+ // In this case we try to emulate incremental marking steps the finish with
+ // a full gc.
+ handler()->NotifyIdleMarkCompact();
+ }
+ GCIdleTimeAction action = handler()->Compute(idle_time_ms, heap_state);
+ // Emulate mutator work.
+ for (int i = 0; i < GCIdleTimeHandler::kIdleScavengeThreshold; i++) {
+ handler()->NotifyScavenge();
+ }
+ action = handler()->Compute(0, heap_state);
+ EXPECT_EQ(DO_NOTHING, action.type);
+}
+
} // namespace internal
} // namespace v8
}
}
+ if (idle_time_in_ms == 0) {
+ return GCIdleTimeAction::Nothing();
+ }
+
if (heap_state.incremental_marking_stopped) {
size_t estimated_time_in_ms =
EstimateMarkCompactTime(heap_state.size_of_objects,