Distinguish beween final incremental mark-compact and full mark-compact event in IdleNotification.

test/unittests/heap/gc-idle-time-handler-unittest.cc

Index: test/unittests/heap/gc-idle-time-handler-unittest.cc
diff --git a/test/unittests/heap/gc-idle-time-handler-unittest.cc b/test/unittests/heap/gc-idle-time-handler-unittest.cc
index 977882a46ce36370a0e96427b1fc63816364c51e..3d8c87fe546cc41fb63afe696408864288fd083f 100644
--- a/test/unittests/heap/gc-idle-time-handler-unittest.cc
+++ b/test/unittests/heap/gc-idle-time-handler-unittest.cc
@@ -180,6 +180,20 @@ TEST_F(GCIdleTimeHandlerTest, DontDoMarkCompact) {
 }
 
 
+TEST_F(GCIdleTimeHandlerTest, ShouldDoFinalIncrementalMarkCompact) {
+  size_t idle_time_in_ms = 16;
+  EXPECT_TRUE(GCIdleTimeHandler::ShouldDoFinalIncrementalMarkCompact(
+      idle_time_in_ms, 0, 0));
+}
+
+
+TEST_F(GCIdleTimeHandlerTest, DontDoFinalIncrementalMarkCompact) {
+  size_t idle_time_in_ms = 1;
+  EXPECT_FALSE(GCIdleTimeHandler::ShouldDoFinalIncrementalMarkCompact(
+      idle_time_in_ms, kSizeOfObjects, kMarkingSpeed));
+}
+
+
 TEST_F(GCIdleTimeHandlerTest, ContextDisposeLowRate) {
   GCIdleTimeHandler::HeapState heap_state = DefaultHeapState();
   heap_state.contexts_disposed = 1;