Collect garbage at the beginning of cctest/test-cpu-profiler/FunctionCallSample

test/cctest/test-cpu-profiler.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 22 matching lines @@
 #include "cctest.h"
 #include "platform.h"
 #include "utils.h"
 #include "../include/v8-profiler.h"
 #undef V8_DISABLE_DEPRECATIONS
 
 using i::CodeEntry;
 using i::CpuProfile;
 using i::CpuProfiler;
 using i::CpuProfilesCollection;
+using i::Heap;
 using i::ProfileGenerator;
 using i::ProfileNode;
 using i::ProfilerEventsProcessor;
 using i::ScopedVector;
 using i::Vector;
 
 
 TEST(StartStop) {
   CpuProfilesCollection profiles;
   ProfileGenerator generator(&profiles);
@@ skipping 935 matching lines @@
 //     1     1    (garbage collector) [-1] #4
 //     5     0    (unresolved function) [-1] #5
 //     5     5      call [-1] #6
 //    71    70    start [-1] #3
 //     1     1      bar [-1] #7
 //    19    19    (program) [-1] #2
 TEST(FunctionCallSample) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
 
+  // Collect garbage that might have be generated while installing extensions.
+  HEAP->CollectAllGarbage(Heap::kNoGCFlags);
+
   v8::Script::Compile(v8::String::New(call_function_test_source))->Run();
   v8::Local<v8::Function> function = v8::Local<v8::Function>::Cast(
       env->Global()->Get(v8::String::New("start")));
 
   v8::CpuProfiler* cpu_profiler = env->GetIsolate()->GetCpuProfiler();
   v8::Local<v8::String> profile_name = v8::String::New("my_profile");
 
   cpu_profiler->StartCpuProfiling(profile_name);
   int32_t duration_ms = 100;
 #if defined(_WIN32) || defined(_WIN64)
@@ skipping 129 matching lines @@
             FindChild(startNode, ProfileGenerator::kUnresolvedFunctionName)) {
       ScopedVector<v8::Handle<v8::String> > names(1);
       names[0] = v8::String::New("apply");
       CheckChildrenNames(unresolvedNode, names);
       GetChild(unresolvedNode, "apply");
     }
   }
 
   cpu_profiler->DeleteAllCpuProfiles();
 }