VM: Re-format to use at most one newline between functions

runtime/vm/profiler_test.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "platform/assert.h"
 
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_state.h"
 #include "vm/globals.h"
 #include "vm/profiler.h"
@@ skipping 16 matching lines @@
   DisableNativeProfileScope() : FLAG_profile_vm_(FLAG_profile_vm) {
     FLAG_profile_vm = false;
   }
 
   ~DisableNativeProfileScope() { FLAG_profile_vm = FLAG_profile_vm_; }
 
  private:
   const bool FLAG_profile_vm_;
 };
 
-
 class DisableBackgroundCompilationScope : public ValueObject {
  public:
   DisableBackgroundCompilationScope()
       : FLAG_background_compilation_(FLAG_background_compilation) {
     FLAG_background_compilation = false;
   }
 
   ~DisableBackgroundCompilationScope() {
     FLAG_background_compilation = FLAG_background_compilation_;
   }
 
  private:
   const bool FLAG_background_compilation_;
 };
 
-
 // Temporarily adjust the maximum profile depth.
 class MaxProfileDepthScope : public ValueObject {
  public:
   explicit MaxProfileDepthScope(intptr_t new_max_depth)
       : FLAG_max_profile_depth_(FLAG_max_profile_depth) {
     Profiler::SetSampleDepth(new_max_depth);
   }
 
   ~MaxProfileDepthScope() { Profiler::SetSampleDepth(FLAG_max_profile_depth_); }
 
  private:
   const intptr_t FLAG_max_profile_depth_;
 };
 
-
 class ProfileSampleBufferTestHelper {
  public:
   static intptr_t IterateCount(const Dart_Port port,
                                const SampleBuffer& sample_buffer) {
     intptr_t c = 0;
     for (intptr_t i = 0; i < sample_buffer.capacity(); i++) {
       Sample* sample = sample_buffer.At(i);
       if (sample->port() != port) {
         continue;
       }
       c++;
     }
     return c;
   }
 
-
   static intptr_t IterateSumPC(const Dart_Port port,
                                const SampleBuffer& sample_buffer) {
     intptr_t c = 0;
     for (intptr_t i = 0; i < sample_buffer.capacity(); i++) {
       Sample* sample = sample_buffer.At(i);
       if (sample->port() != port) {
         continue;
       }
       c += sample->At(0);
     }
     return c;
   }
 };
 
-
 TEST_CASE(Profiler_SampleBufferWrapTest) {
   SampleBuffer* sample_buffer = new SampleBuffer(3);
   Dart_Port i = 123;
   EXPECT_EQ(0, ProfileSampleBufferTestHelper::IterateSumPC(i, *sample_buffer));
   Sample* s;
   s = sample_buffer->ReserveSample();
   s->Init(i, 0, 0);
   s->SetAt(0, 2);
   EXPECT_EQ(2, ProfileSampleBufferTestHelper::IterateSumPC(i, *sample_buffer));
   s = sample_buffer->ReserveSample();
   s->Init(i, 0, 0);
   s->SetAt(0, 4);
   EXPECT_EQ(6, ProfileSampleBufferTestHelper::IterateSumPC(i, *sample_buffer));
   s = sample_buffer->ReserveSample();
   s->Init(i, 0, 0);
   s->SetAt(0, 6);
   EXPECT_EQ(12, ProfileSampleBufferTestHelper::IterateSumPC(i, *sample_buffer));
   s = sample_buffer->ReserveSample();
   s->Init(i, 0, 0);
   s->SetAt(0, 8);
   EXPECT_EQ(18, ProfileSampleBufferTestHelper::IterateSumPC(i, *sample_buffer));
   delete sample_buffer;
 }
 
-
 TEST_CASE(Profiler_SampleBufferIterateTest) {
   SampleBuffer* sample_buffer = new SampleBuffer(3);
   Dart_Port i = 123;
   EXPECT_EQ(0, ProfileSampleBufferTestHelper::IterateCount(i, *sample_buffer));
   Sample* s;
   s = sample_buffer->ReserveSample();
   s->Init(i, 0, 0);
   EXPECT_EQ(1, ProfileSampleBufferTestHelper::IterateCount(i, *sample_buffer));
   s = sample_buffer->ReserveSample();
   s->Init(i, 0, 0);
   EXPECT_EQ(2, ProfileSampleBufferTestHelper::IterateCount(i, *sample_buffer));
   s = sample_buffer->ReserveSample();
   s->Init(i, 0, 0);
   EXPECT_EQ(3, ProfileSampleBufferTestHelper::IterateCount(i, *sample_buffer));
   s = sample_buffer->ReserveSample();
   s->Init(i, 0, 0);
   EXPECT_EQ(3, ProfileSampleBufferTestHelper::IterateCount(i, *sample_buffer));
   delete sample_buffer;
 }
 
-
 TEST_CASE(Profiler_AllocationSampleTest) {
   Isolate* isolate = Isolate::Current();
   SampleBuffer* sample_buffer = new SampleBuffer(3);
   Sample* sample = sample_buffer->ReserveSample();
   sample->Init(isolate->main_port(), 0, 0);
   sample->set_metadata(99);
   sample->set_is_allocation_sample(true);
   EXPECT_EQ(99, sample->allocation_cid());
   delete sample_buffer;
 }
 
-
 static RawClass* GetClass(const Library& lib, const char* name) {
   const Class& cls = Class::Handle(lib.LookupClassAllowPrivate(
       String::Handle(Symbols::New(Thread::Current(), name))));
   EXPECT(!cls.IsNull());  // No ambiguity error expected.
   return cls.raw();
 }
 
-
 static RawFunction* GetFunction(const Library& lib, const char* name) {
   const Function& func = Function::Handle(lib.LookupFunctionAllowPrivate(
       String::Handle(Symbols::New(Thread::Current(), name))));
   EXPECT(!func.IsNull());  // No ambiguity error expected.
   return func.raw();
 }
 
-
 class AllocationFilter : public SampleFilter {
  public:
   AllocationFilter(Dart_Port port,
                    intptr_t cid,
                    int64_t time_origin_micros = -1,
                    int64_t time_extent_micros = -1)
       : SampleFilter(port,
                      Thread::kMutatorTask,
                      time_origin_micros,
                      time_extent_micros),
         cid_(cid),
         enable_vm_ticks_(false) {}
 
   bool FilterSample(Sample* sample) {
     if (!enable_vm_ticks_ && (sample->vm_tag() == VMTag::kVMTagId)) {
       // We don't want to see embedder ticks in the test.
       return false;
     }
     return sample->is_allocation_sample() && (sample->allocation_cid() == cid_);
   }
 
   void set_enable_vm_ticks(bool enable) { enable_vm_ticks_ = enable; }
 
  private:
   intptr_t cid_;
   bool enable_vm_ticks_;
 };
 
-
 TEST_CASE(Profiler_TrivialRecordAllocation) {
   DisableNativeProfileScope dnps;
   const char* kScript =
       "class A {\n"
       "  var a;\n"
       "  var b;\n"
       "}\n"
       "class B {\n"
       "  static boo() {\n"
       "    return new A();\n"
@@ skipping 104 matching lines @@
 }
 
 #if defined(DART_USE_TCMALLOC) && defined(HOST_OS_LINUX) && defined(DEBUG) &&  \
     defined(HOST_ARCH_x64)
 
 DART_NOINLINE static void NativeAllocationSampleHelper(char** result) {
   ASSERT(result != NULL);
   *result = static_cast<char*>(malloc(sizeof(char) * 1024));
 }
 
-
 ISOLATE_UNIT_TEST_CASE(Profiler_NativeAllocation) {
   bool enable_malloc_hooks_saved = FLAG_profiler_native_memory;
   FLAG_profiler_native_memory = true;
 
   MallocHooks::InitOnce();
   MallocHooks::ResetStats();
   bool stack_trace_collection_enabled =
       MallocHooks::stack_trace_collection_enabled();
   MallocHooks::set_stack_trace_collection_enabled(true);
 
@@ skipping 182 matching lines @@
   }
 
   MallocHooks::set_stack_trace_collection_enabled(
       stack_trace_collection_enabled);
   MallocHooks::TearDown();
   FLAG_profiler_native_memory = enable_malloc_hooks_saved;
 }
 #endif  // defined(DART_USE_TCMALLOC) && !defined(PRODUCT) &&
         // !defined(TARGET_ARCH_DBC) && !defined(HOST_OS_FUCHSIA)
 
-
 TEST_CASE(Profiler_ToggleRecordAllocation) {
   DisableNativeProfileScope dnps;
   const char* kScript =
       "class A {\n"
       "  var a;\n"
       "  var b;\n"
       "}\n"
       "class B {\n"
       "  static boo() {\n"
       "    return new A();\n"
       "  }\n"
       "}\n"
       "main() {\n"
       "  return B.boo();\n"
       "}\n";
 
   Dart_Handle lib = TestCase::LoadTestScript(kScript, NULL);
   EXPECT_VALID(lib);
   Library& root_library = Library::Handle();
   root_library ^= Api::UnwrapHandle(lib);
 
   const Class& class_a = Class::Handle(GetClass(root_library, "A"));
   EXPECT(!class_a.IsNull());
 
   Dart_Handle result = Dart_Invoke(lib, NewString("main"), 0, NULL);
   EXPECT_VALID(result);
 
-
   {
     Thread* thread = Thread::Current();
     Isolate* isolate = thread->isolate();
     StackZone zone(thread);
     HANDLESCOPE(thread);
     Profile profile(isolate);
     AllocationFilter filter(isolate->main_port(), class_a.id());
     profile.Build(thread, &filter, Profiler::sample_buffer(), Profile::kNoTags);
     // We should have no allocation samples.
     EXPECT_EQ(0, profile.sample_count());
@@ skipping 82 matching lines @@
     StackZone zone(thread);
     HANDLESCOPE(thread);
     Profile profile(isolate);
     AllocationFilter filter(isolate->main_port(), class_a.id());
     profile.Build(thread, &filter, Profiler::sample_buffer(), Profile::kNoTags);
     // We should still only have one allocation sample.
     EXPECT_EQ(1, profile.sample_count());
   }
 }
 
-
 TEST_CASE(Profiler_CodeTicks) {
   DisableNativeProfileScope dnps;
   const char* kScript =
       "class A {\n"
       "  var a;\n"
       "  var b;\n"
       "}\n"
       "class B {\n"
       "  static boo() {\n"
       "    return new A();\n"
@@ skipping 82 matching lines @@
     EXPECT_EQ(3, walker.CurrentInclusiveTicks());
     EXPECT(walker.Down());
     EXPECT_STREQ("[Stub] Allocate A", walker.CurrentName());
     EXPECT_EQ(3, walker.CurrentExclusiveTicks());
     EXPECT(walker.Down());
     EXPECT_STREQ("DRT_AllocateObject", walker.CurrentName());
     EXPECT(!walker.Down());
   }
 }
 
-
 TEST_CASE(Profiler_FunctionTicks) {
   DisableNativeProfileScope dnps;
   const char* kScript =
       "class A {\n"
       "  var a;\n"
       "  var b;\n"
       "}\n"
       "class B {\n"
       "  static boo() {\n"
       "    return new A();\n"
@@ skipping 82 matching lines @@
     EXPECT_EQ(3, walker.CurrentInclusiveTicks());
     EXPECT(walker.Down());
     EXPECT_STREQ("[Stub] Allocate A", walker.CurrentName());
     EXPECT_EQ(3, walker.CurrentExclusiveTicks());
     EXPECT(walker.Down());
     EXPECT_STREQ("DRT_AllocateObject", walker.CurrentName());
     EXPECT(!walker.Down());
   }
 }
 
-
 TEST_CASE(Profiler_IntrinsicAllocation) {
   DisableNativeProfileScope dnps;
   const char* kScript = "double foo(double a, double b) => a + b;";
   Dart_Handle lib = TestCase::LoadTestScript(kScript, NULL);
   EXPECT_VALID(lib);
   Library& root_library = Library::Handle();
   root_library ^= Api::UnwrapHandle(lib);
   Isolate* isolate = thread->isolate();
 
   const Class& double_class =
@@ skipping 51 matching lines @@
     StackZone zone(thread);
     HANDLESCOPE(thread);
     Profile profile(isolate);
     AllocationFilter filter(isolate->main_port(), double_class.id());
     profile.Build(thread, &filter, Profiler::sample_buffer(), Profile::kNoTags);
     // We should still only have one allocation sample.
     EXPECT_EQ(1, profile.sample_count());
   }
 }
 
-
 TEST_CASE(Profiler_ArrayAllocation) {
   DisableNativeProfileScope dnps;
   const char* kScript =
       "List foo() => new List(4);\n"
       "List bar() => new List();\n";
   Dart_Handle lib = TestCase::LoadTestScript(kScript, NULL);
   EXPECT_VALID(lib);
   Library& root_library = Library::Handle();
   root_library ^= Api::UnwrapHandle(lib);
   Isolate* isolate = thread->isolate();
@@ skipping 76 matching lines @@
     HANDLESCOPE(thread);
     Profile profile(isolate);
     AllocationFilter filter(isolate->main_port(), array_class.id());
     profile.Build(thread, &filter, Profiler::sample_buffer(), Profile::kNoTags);
     // We should have no allocation samples, since empty
     // growable lists use a shared backing.
     EXPECT_EQ(0, profile.sample_count());
   }
 }
 
-
 TEST_CASE(Profiler_ContextAllocation) {
   DisableNativeProfileScope dnps;
   const char* kScript =
       "var msg1 = 'a';\n"
       "foo() {\n"
       "  var msg = msg1 + msg1;\n"
       "  return (x) { return '$msg + $msg'; }(msg);\n"
       "}\n";
   Dart_Handle lib = TestCase::LoadTestScript(kScript, NULL);
   EXPECT_VALID(lib);
@@ skipping 49 matching lines @@
     StackZone zone(thread);
     HANDLESCOPE(thread);
     Profile profile(isolate);
     AllocationFilter filter(isolate->main_port(), context_class.id());
     profile.Build(thread, &filter, Profiler::sample_buffer(), Profile::kNoTags);
     // We should still only have one allocation sample.
     EXPECT_EQ(1, profile.sample_count());
   }
 }
 
-
 TEST_CASE(Profiler_ClosureAllocation) {
   DisableNativeProfileScope dnps;
   const char* kScript =
       "var msg1 = 'a';\n"
       "\n"
       "foo() {\n"
       "  var msg = msg1 + msg1;\n"
       "  var msg2 = msg + msg;\n"
       "  return (x, y, z, w) { return '$x + $y + $z'; }(msg, msg2, msg, msg);\n"
       "}\n"
@@ skipping 51 matching lines @@
     HANDLESCOPE(thread);
     Profile profile(isolate);
     AllocationFilter filter(isolate->main_port(), closure_class.id());
     filter.set_enable_vm_ticks(true);
     profile.Build(thread, &filter, Profiler::sample_buffer(), Profile::kNoTags);
     // We should still only have one allocation sample.
     EXPECT_EQ(1, profile.sample_count());
   }
 }
 
-
 TEST_CASE(Profiler_TypedArrayAllocation) {
   DisableNativeProfileScope dnps;
   const char* kScript =
       "import 'dart:typed_data';\n"
       "List foo() => new Float32List(4);\n";
   Dart_Handle lib = TestCase::LoadTestScript(kScript, NULL);
   EXPECT_VALID(lib);
   Library& root_library = Library::Handle();
   root_library ^= Api::UnwrapHandle(lib);
   Isolate* isolate = thread->isolate();
@@ skipping 64 matching lines @@
     StackZone zone(thread);
     HANDLESCOPE(thread);
     Profile profile(isolate);
     AllocationFilter filter(isolate->main_port(), float32_list_class.id());
     profile.Build(thread, &filter, Profiler::sample_buffer(), Profile::kNoTags);
     // We should now have two allocation samples.
     EXPECT_EQ(2, profile.sample_count());
   }
 }
 
-
 TEST_CASE(Profiler_StringAllocation) {
   DisableNativeProfileScope dnps;
   const char* kScript = "String foo(String a, String b) => a + b;";
   Dart_Handle lib = TestCase::LoadTestScript(kScript, NULL);
   EXPECT_VALID(lib);
   Library& root_library = Library::Handle();
   root_library ^= Api::UnwrapHandle(lib);
   Isolate* isolate = thread->isolate();
 
   const Class& one_byte_string_class =
@@ skipping 65 matching lines @@
     StackZone zone(thread);
     HANDLESCOPE(thread);
     Profile profile(isolate);
     AllocationFilter filter(isolate->main_port(), one_byte_string_class.id());
     profile.Build(thread, &filter, Profiler::sample_buffer(), Profile::kNoTags);
     // We should now have two allocation samples.
     EXPECT_EQ(2, profile.sample_count());
   }
 }
 
-
 TEST_CASE(Profiler_StringInterpolation) {
   DisableNativeProfileScope dnps;
   DisableBackgroundCompilationScope dbcs;
   const char* kScript = "String foo(String a, String b) => '$a | $b';";
   Dart_Handle lib = TestCase::LoadTestScript(kScript, NULL);
   EXPECT_VALID(lib);
   Library& root_library = Library::Handle();
   root_library ^= Api::UnwrapHandle(lib);
   Isolate* isolate = thread->isolate();
 
@@ skipping 68 matching lines @@
     StackZone zone(thread);
     HANDLESCOPE(thread);
     Profile profile(isolate);
     AllocationFilter filter(isolate->main_port(), one_byte_string_class.id());
     profile.Build(thread, &filter, Profiler::sample_buffer(), Profile::kNoTags);
     // We should now have two allocation samples.
     EXPECT_EQ(2, profile.sample_count());
   }
 }
 
-
 TEST_CASE(Profiler_FunctionInline) {
   DisableNativeProfileScope dnps;
   DisableBackgroundCompilationScope dbcs;
 
   const char* kScript =
       "class A {\n"
       "  var a;\n"
       "  var b;\n"
       "}\n"
       "class B {\n"
@@ skipping 264 matching lines @@
     EXPECT(walker.Down());
     EXPECT_STREQ("[Unoptimized Code]", walker.CurrentName());
     EXPECT(walker.Down());
     EXPECT_STREQ("[Stub] Allocate A", walker.CurrentName());
     EXPECT(walker.Down());
     EXPECT_STREQ("DRT_AllocateObject", walker.CurrentName());
     EXPECT(!walker.Down());
   }
 }
 
-
 TEST_CASE(Profiler_InliningIntervalBoundry) {
   // The PC of frames below the top frame is a call's return address,
   // which can belong to a different inlining interval than the call.
   // This test checks the profiler service takes this into account; see
   // ProfileBuilder::ProcessFrame.
 
   DisableNativeProfileScope dnps;
   DisableBackgroundCompilationScope dbcs;
   const char* kScript =
       "class A {\n"
@@ skipping 116 matching lines @@
     EXPECT(walker.Down());
     EXPECT_STREQ("maybeAlloc", walker.CurrentName());
     EXPECT(walker.Down());
     EXPECT_STREQ("[Stub] Allocate A", walker.CurrentName());
     EXPECT(walker.Down());
     EXPECT_STREQ("DRT_AllocateObject", walker.CurrentName());
     EXPECT(!walker.Down());
   }
 }
 
-
 TEST_CASE(Profiler_ChainedSamples) {
   MaxProfileDepthScope mpds(32);
   DisableNativeProfileScope dnps;
 
   // Each sample holds 8 stack frames.
   // This chain is 20 stack frames deep.
   const char* kScript =
       "class A {\n"
       "  var a;\n"
       "  var b;\n"
@@ skipping 30 matching lines @@
   Library& root_library = Library::Handle();
   root_library ^= Api::UnwrapHandle(lib);
 
   const Class& class_a = Class::Handle(GetClass(root_library, "A"));
   EXPECT(!class_a.IsNull());
   class_a.SetTraceAllocation(true);
 
   Dart_Handle result = Dart_Invoke(lib, NewString("main"), 0, NULL);
   EXPECT_VALID(result);
 
-
   {
     Thread* thread = Thread::Current();
     Isolate* isolate = thread->isolate();
     StackZone zone(thread);
     HANDLESCOPE(thread);
     Profile profile(isolate);
     AllocationFilter filter(isolate->main_port(), class_a.id());
     profile.Build(thread, &filter, Profiler::sample_buffer(), Profile::kNoTags);
     // We should have 1 allocation sample.
     EXPECT_EQ(1, profile.sample_count());
@@ skipping 42 matching lines @@
     EXPECT(walker.Down());
     EXPECT_STREQ("init", walker.CurrentName());
     EXPECT(walker.Down());
     EXPECT_STREQ("go", walker.CurrentName());
     EXPECT(walker.Down());
     EXPECT_STREQ("main", walker.CurrentName());
     EXPECT(!walker.Down());
   }
 }
 
-
 TEST_CASE(Profiler_BasicSourcePosition) {
   DisableNativeProfileScope dnps;
   DisableBackgroundCompilationScope dbcs;
   const char* kScript =
       "const AlwaysInline = 'AlwaysInline';\n"
       "const NeverInline = 'NeverInline';\n"
       "class A {\n"
       "  var a;\n"
       "  var b;\n"
       "  @NeverInline A() { }\n"
@@ skipping 54 matching lines @@
     EXPECT(walker.Down());
     EXPECT_STREQ("main", walker.CurrentName());
     EXPECT_EQ(1, walker.CurrentNodeTickCount());
     EXPECT_EQ(1, walker.CurrentInclusiveTicks());
     EXPECT_EQ(0, walker.CurrentExclusiveTicks());
     EXPECT_STREQ("boo", walker.CurrentToken());
     EXPECT(!walker.Down());
   }
 }
 
-
 TEST_CASE(Profiler_BasicSourcePositionOptimized) {
   DisableNativeProfileScope dnps;
   DisableBackgroundCompilationScope dbcs;
   // We use the AlwaysInline and NeverInline annotations in this test.
   SetFlagScope<bool> sfs(&FLAG_enable_inlining_annotations, true);
   // Optimize quickly.
   SetFlagScope<int> sfs2(&FLAG_optimization_counter_threshold, 5);
   const char* kScript =
       "const AlwaysInline = 'AlwaysInline';\n"
       "const NeverInline = 'NeverInline';\n"
@@ skipping 73 matching lines @@
     EXPECT(walker.Down());
     EXPECT_STREQ("main", walker.CurrentName());
     EXPECT_EQ(1, walker.CurrentNodeTickCount());
     EXPECT_EQ(1, walker.CurrentInclusiveTicks());
     EXPECT_EQ(0, walker.CurrentExclusiveTicks());
     EXPECT_STREQ("boo", walker.CurrentToken());
     EXPECT(!walker.Down());
   }
 }
 
-
 TEST_CASE(Profiler_SourcePosition) {
   DisableNativeProfileScope dnps;
   DisableBackgroundCompilationScope dbcs;
   const char* kScript =
       "const AlwaysInline = 'AlwaysInline';\n"
       "const NeverInline = 'NeverInline';\n"
       "class A {\n"
       "  var a;\n"
       "  var b;\n"
       "  @NeverInline A() { }\n"
@@ skipping 84 matching lines @@
     EXPECT(walker.Down());
     EXPECT_STREQ("main", walker.CurrentName());
     EXPECT_EQ(1, walker.CurrentNodeTickCount());
     EXPECT_EQ(1, walker.CurrentInclusiveTicks());
     EXPECT_EQ(0, walker.CurrentExclusiveTicks());
     EXPECT_STREQ("bacon", walker.CurrentToken());
     EXPECT(!walker.Down());
   }
 }
 
-
 TEST_CASE(Profiler_SourcePositionOptimized) {
   DisableNativeProfileScope dnps;
   DisableBackgroundCompilationScope dbcs;
   // We use the AlwaysInline and NeverInline annotations in this test.
   SetFlagScope<bool> sfs(&FLAG_enable_inlining_annotations, true);
   // Optimize quickly.
   SetFlagScope<int> sfs2(&FLAG_optimization_counter_threshold, 5);
 
   const char* kScript =
       "const AlwaysInline = 'AlwaysInline';\n"
@@ skipping 104 matching lines @@
     EXPECT(walker.Down());
     EXPECT_STREQ("main", walker.CurrentName());
     EXPECT_EQ(1, walker.CurrentNodeTickCount());
     EXPECT_EQ(1, walker.CurrentInclusiveTicks());
     EXPECT_EQ(0, walker.CurrentExclusiveTicks());
     EXPECT_STREQ("bacon", walker.CurrentToken());
     EXPECT(!walker.Down());
   }
 }
 
-
 TEST_CASE(Profiler_BinaryOperatorSourcePosition) {
   DisableNativeProfileScope dnps;
   DisableBackgroundCompilationScope dbcs;
   const char* kScript =
       "const AlwaysInline = 'AlwaysInline';\n"
       "const NeverInline = 'NeverInline';\n"
       "class A {\n"
       "  var a;\n"
       "  var b;\n"
       "  @NeverInline A() { }\n"
@@ skipping 93 matching lines @@
     EXPECT(walker.Down());
     EXPECT_STREQ("main", walker.CurrentName());
     EXPECT_EQ(1, walker.CurrentNodeTickCount());
     EXPECT_EQ(1, walker.CurrentInclusiveTicks());
     EXPECT_EQ(0, walker.CurrentExclusiveTicks());
     EXPECT_STREQ("bacon", walker.CurrentToken());
     EXPECT(!walker.Down());
   }
 }
 
-
 TEST_CASE(Profiler_BinaryOperatorSourcePositionOptimized) {
   DisableNativeProfileScope dnps;
   DisableBackgroundCompilationScope dbcs;
   // We use the AlwaysInline and NeverInline annotations in this test.
   SetFlagScope<bool> sfs(&FLAG_enable_inlining_annotations, true);
   // Optimize quickly.
   SetFlagScope<int> sfs2(&FLAG_optimization_counter_threshold, 5);
 
   const char* kScript =
       "const AlwaysInline = 'AlwaysInline';\n"
@@ skipping 113 matching lines @@
     EXPECT(walker.Down());
     EXPECT_STREQ("main", walker.CurrentName());
     EXPECT_EQ(1, walker.CurrentNodeTickCount());
     EXPECT_EQ(1, walker.CurrentInclusiveTicks());
     EXPECT_EQ(0, walker.CurrentExclusiveTicks());
     EXPECT_STREQ("bacon", walker.CurrentToken());
     EXPECT(!walker.Down());
   }
 }
 
-
 static void InsertFakeSample(SampleBuffer* sample_buffer, uword* pc_offsets) {
   ASSERT(sample_buffer != NULL);
   Isolate* isolate = Isolate::Current();
   Sample* sample = sample_buffer->ReserveSample();
   ASSERT(sample != NULL);
   sample->Init(isolate->main_port(), OS::GetCurrentMonotonicMicros(),
                OSThread::Current()->trace_id());
   sample->set_thread_task(Thread::kMutatorTask);
 
   intptr_t i = 0;
   while (pc_offsets[i] != 0) {
     // When we collect a real stack trace, all PCs collected aside from the
     // executing one (i == 0) are actually return addresses. Return addresses
     // are one byte beyond the call instruction that is executing. The profiler
     // accounts for this and subtracts one from these addresses when querying
     // inline and token position ranges. To be consistent with real stack
     // traces, we add one byte to all PCs except the executing one.
     // See OffsetForPC in profiler_service.cc for more context.
     const intptr_t return_address_offset = i > 0 ? 1 : 0;
     sample->SetAt(i, pc_offsets[i] + return_address_offset);
     i++;
   }
   sample->SetAt(i, 0);
 }
 
-
-static uword FindPCForTokenPosition(const Code& code,
-                                    TokenPosition tp) {
+static uword FindPCForTokenPosition(const Code& code, TokenPosition tp) {
   GrowableArray<const Function*> functions;
   GrowableArray<TokenPosition> token_positions;
   for (intptr_t pc_offset = 0; pc_offset < code.Size(); pc_offset++) {
     code.GetInlinedFunctionsAtInstruction(pc_offset, &functions,
                                           &token_positions);
     if (token_positions[0] == tp) {
       return code.PayloadStart() + pc_offset;
     }
   }
 
   return 0;
 }
 
-
 TEST_CASE(Profiler_GetSourceReport) {
   const char* kScript =
       "doWork(i) => i * i;\n"
       "main() {\n"
       "  var sum = 0;\n"
       "  for (var i = 0; i < 100; i++) {\n"
       "     sum += doWork(i);\n"
       "  }\n"
       "  return sum;\n"
       "}\n";
@@ skipping 113 matching lines @@
   EXPECT_SUBSTRING("\"inclusiveTicks\":[1,2]", js.ToCString());
 
   // Verify positions in main.
   EXPECT_SUBSTRING("\"positions\":[\"TempMove\",39]", js.ToCString());
   // Verify exclusive ticks in main.
   EXPECT_SUBSTRING("\"exclusiveTicks\":[1,0]", js.ToCString());
   // Verify inclusive ticks in main.
   EXPECT_SUBSTRING("\"inclusiveTicks\":[1,2]", js.ToCString());
 }
 
-
 TEST_CASE(Profiler_ProfileCodeTableTest) {
   Zone* Z = Thread::Current()->zone();
 
   ProfileCodeTable* table = new (Z) ProfileCodeTable();
   EXPECT_EQ(table->length(), 0);
   EXPECT_EQ(table->FindCodeForPC(42), static_cast<ProfileCode*>(NULL));
 
   int64_t timestamp = 0;
   Code& null_code = Code::Handle(Z);
 
@@ skipping 88 matching lines @@
   EXPECT_EQ(table->FindCodeForPC(45), code1);  // Merged right.
   EXPECT_EQ(table->FindCodeForPC(54), code1);  // Merged right.
   EXPECT_EQ(table->FindCodeForPC(20), code2);  // Merged left.
   EXPECT_EQ(table->FindCodeForPC(49), code1);  // Truncated.
   EXPECT_EQ(table->FindCodeForPC(50), code1);
 }
 
 #endif  // !PRODUCT
 
 }  // namespace dart