CPU profiler: make code events handling scalable.

test/cctest/test-circular-queue.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 //
-// Tests of circular queues.
+// Tests of the circular queue.
 
 #include "v8.h"
 #include "circular-queue-inl.h"
 #include "cctest.h"
 
 namespace i = v8::internal;
 
-using i::CircularQueue;
 using i::SamplingCircularQueue;
 
 
-TEST(SingleRecordCircularQueue) {
-  typedef int Record;
-  CircularQueue<Record> cq(sizeof(Record) * 2);
-  CHECK(cq.IsEmpty());
-  cq.Enqueue(1);
-  CHECK(!cq.IsEmpty());
-  Record rec = 0;
-  cq.Dequeue(&rec);
-  CHECK_EQ(1, rec);
-  CHECK(cq.IsEmpty());
-}
-
-
-TEST(MultipleRecordsCircularQueue) {
-  typedef int Record;
-  const int kQueueSize = 10;
-  CircularQueue<Record> cq(sizeof(Record) * (kQueueSize + 1));
-  CHECK(cq.IsEmpty());
-  cq.Enqueue(1);
-  CHECK(!cq.IsEmpty());
-  for (int i = 2; i <= 5; ++i) {
-    cq.Enqueue(i);
-    CHECK(!cq.IsEmpty());
-  }
-  Record rec = 0;
-  for (int i = 1; i <= 4; ++i) {
-    CHECK(!cq.IsEmpty());
-    cq.Dequeue(&rec);
-    CHECK_EQ(i, rec);
-  }
-  for (int i = 6; i <= 12; ++i) {
-    cq.Enqueue(i);
-    CHECK(!cq.IsEmpty());
-  }
-  for (int i = 5; i <= 12; ++i) {
-    CHECK(!cq.IsEmpty());
-    cq.Dequeue(&rec);
-    CHECK_EQ(i, rec);
-  }
-  CHECK(cq.IsEmpty());
-}
-
-
 TEST(SamplingCircularQueue) {
   typedef SamplingCircularQueue::Cell Record;
   const int kRecordsPerChunk = 4;
   SamplingCircularQueue scq(sizeof(Record),
                             kRecordsPerChunk * sizeof(Record),
                             3);
 
   // Check that we are using non-reserved values.
   CHECK_NE(SamplingCircularQueue::kClear, 1);
   CHECK_NE(SamplingCircularQueue::kEnd, 1);
@@ skipping 144 matching lines @@
     CHECK_EQ(static_cast<int64_t>(i), static_cast<int64_t>(*rec));
     CHECK_EQ(rec, reinterpret_cast<Record*>(scq.StartDequeue()));
     scq.FinishDequeue();
     CHECK_NE(rec, reinterpret_cast<Record*>(scq.StartDequeue()));
   }
 
   CHECK_EQ(NULL, scq.StartDequeue());
 
   delete semaphore;
 }