[heap] Minor MC: Add marking

test/cctest/heap/test-array-buffer-tracker.cc

 // Copyright 2016 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 "src/api.h"
 #include "src/heap/array-buffer-tracker.h"
 #include "src/isolate.h"
 #include "test/cctest/cctest.h"
 #include "test/cctest/heap/heap-utils.h"
 
@@ skipping 170 matching lines @@
     // |Externalize| will cause the buffer to be |Unregister|ed. Without
     // barriers and proper synchronization this will trigger a data race on
     // TSAN.
     v8::ArrayBuffer::Contents contents = ab->Externalize();
     heap->isolate()->array_buffer_allocator()->Free(contents.Data(),
                                                     contents.ByteLength());
   }
 }
 
 TEST(ArrayBuffer_NonLivePromotion) {
+  if (!FLAG_incremental_marking) return;
   // The test verifies that the marking state is preserved when promoting
   // a buffer to old space.
   CcTest::InitializeVM();
   LocalContext env;
   v8::Isolate* isolate = env->GetIsolate();
   Heap* heap = reinterpret_cast<Isolate*>(isolate)->heap();
 
   JSArrayBuffer* raw_ab = nullptr;
   {
     v8::HandleScope handle_scope(isolate);
@@ skipping 15 matching lines @@
     root->set(0, heap->undefined_value());
     heap::SimulateIncrementalMarking(heap, true);
     // Prohibit page from being released.
     Page::FromAddress(raw_ab->address())->MarkNeverEvacuate();
     heap::GcAndSweep(heap, OLD_SPACE);
     CHECK(!IsTracked(raw_ab));
   }
 }
 
 TEST(ArrayBuffer_LivePromotion) {
+  if (!FLAG_incremental_marking) return;
   // The test verifies that the marking state is preserved when promoting
   // a buffer to old space.
   CcTest::InitializeVM();
   LocalContext env;
   v8::Isolate* isolate = env->GetIsolate();
   Heap* heap = reinterpret_cast<Isolate*>(isolate)->heap();
 
   JSArrayBuffer* raw_ab = nullptr;
   {
     v8::HandleScope handle_scope(isolate);
@@ skipping 14 matching lines @@
     raw_ab = JSArrayBuffer::cast(root->get(0));
     root->set(0, heap->undefined_value());
     // Prohibit page from being released.
     Page::FromAddress(raw_ab->address())->MarkNeverEvacuate();
     heap::GcAndSweep(heap, OLD_SPACE);
     CHECK(IsTracked(raw_ab));
   }
 }
 
 TEST(ArrayBuffer_SemiSpaceCopyThenPagePromotion) {
+  if (!i::FLAG_incremental_marking) return;
   // The test verifies that the marking state is preserved across semispace
   // copy.
   CcTest::InitializeVM();
   LocalContext env;
   v8::Isolate* isolate = env->GetIsolate();
   Heap* heap = reinterpret_cast<Isolate*>(isolate)->heap();
 
   heap::SealCurrentObjects(heap);
   {
     v8::HandleScope handle_scope(isolate);
@@ skipping 41 matching lines @@
     Local<v8::ArrayBuffer> ab2 = v8::ArrayBuffer::New(isolate, 100);
     Handle<JSArrayBuffer> buf2 = v8::Utils::OpenHandle(*ab2);
     CHECK_NE(Page::FromAddress(buf1->address()),
              Page::FromAddress(buf2->address()));
     heap::GcAndSweep(heap, OLD_SPACE);
   }
 }
 
 }  // namespace internal
 }  // namespace v8