Grow heap slowly after running memory reducer.

test/unittests/heap/memory-reducer-unittest.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <limits>
 
 #include "src/flags.h"
 #include "src/heap/memory-reducer.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 221 matching lines @@
 TEST(MemoryReducer, FromWaitToDone) {
   if (!FLAG_incremental_marking) return;
 
   MemoryReducer::State state0(WaitState(2, 0.0)), state1(DoneState());
 
   state0.started_gcs = MemoryReducer::kMaxNumberOfGCs;
 
   state1 = MemoryReducer::Step(state0, TimerEventLowAllocationRate(2000));
   EXPECT_EQ(MemoryReducer::kDone, state1.action);
   EXPECT_EQ(0, state1.next_gc_start_ms);
-  EXPECT_EQ(0, state1.started_gcs);
+  EXPECT_EQ(MemoryReducer::kMaxNumberOfGCs, state1.started_gcs);
   EXPECT_EQ(state0.last_gc_time_ms, state1.last_gc_time_ms);
 
   state1 = MemoryReducer::Step(state0, TimerEventHighAllocationRate(2000));
   EXPECT_EQ(MemoryReducer::kDone, state1.action);
   EXPECT_EQ(0, state1.next_gc_start_ms);
-  EXPECT_EQ(0, state1.started_gcs);
+  EXPECT_EQ(MemoryReducer::kMaxNumberOfGCs, state1.started_gcs);
   EXPECT_EQ(state0.last_gc_time_ms, state1.last_gc_time_ms);
 
   state1 = MemoryReducer::Step(state0, TimerEventPendingGC(2000));
   EXPECT_EQ(MemoryReducer::kDone, state1.action);
   EXPECT_EQ(0, state1.next_gc_start_ms);
-  EXPECT_EQ(0, state1.started_gcs);
+  EXPECT_EQ(MemoryReducer::kMaxNumberOfGCs, state1.started_gcs);
   EXPECT_EQ(state0.last_gc_time_ms, state1.last_gc_time_ms);
 }
 
 
 TEST(MemoryReducer, FromRunToRun) {
   if (!FLAG_incremental_marking) return;
 
   MemoryReducer::State state0(RunState(1, 0.0)), state1(DoneState());
 
   state1 = MemoryReducer::Step(state0, TimerEventLowAllocationRate(2000));
@@ skipping 23 matching lines @@
 
 
 TEST(MemoryReducer, FromRunToDone) {
   if (!FLAG_incremental_marking) return;
 
   MemoryReducer::State state0(RunState(2, 0.0)), state1(DoneState());
 
   state1 = MemoryReducer::Step(state0, MarkCompactEventNoGarbageLeft(2000));
   EXPECT_EQ(MemoryReducer::kDone, state1.action);
   EXPECT_EQ(0, state1.next_gc_start_ms);
-  EXPECT_EQ(0, state1.started_gcs);
+  EXPECT_EQ(MemoryReducer::kMaxNumberOfGCs, state1.started_gcs);
   EXPECT_EQ(2000, state1.last_gc_time_ms);
 
   state0.started_gcs = MemoryReducer::kMaxNumberOfGCs;
 
   state1 = MemoryReducer::Step(state0, MarkCompactEventGarbageLeft(2000));
   EXPECT_EQ(MemoryReducer::kDone, state1.action);
   EXPECT_EQ(0, state1.next_gc_start_ms);
   EXPECT_EQ(2000, state1.last_gc_time_ms);
 }
 
@@ skipping 13 matching lines @@
 
   state1 = MemoryReducer::Step(state0, MarkCompactEventNoGarbageLeft(2000));
   EXPECT_EQ(MemoryReducer::kWait, state1.action);
   EXPECT_EQ(2000 + MemoryReducer::kShortDelayMs, state1.next_gc_start_ms);
   EXPECT_EQ(state0.started_gcs, state1.started_gcs);
   EXPECT_EQ(2000, state1.last_gc_time_ms);
 }
 
 }  // namespace internal
 }  // namespace v8