Index: test/cctest/test-slots-buffer.cc |
diff --git a/test/cctest/test-slots-buffer.cc b/test/cctest/test-slots-buffer.cc |
deleted file mode 100644 |
index 4b8aeb7931d8c174c8f1900c6e9415bcda01b616..0000000000000000000000000000000000000000 |
--- a/test/cctest/test-slots-buffer.cc |
+++ /dev/null |
@@ -1,133 +0,0 @@ |
-// Copyright 2015 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/heap/slots-buffer.h" |
-#include "test/cctest/cctest.h" |
-#include "test/cctest/heap/heap-utils.h" |
- |
-namespace v8 { |
-namespace internal { |
- |
-TEST(SlotsBufferObjectSlotsRemoval) { |
- CcTest::InitializeVM(); |
- v8::HandleScope scope(CcTest::isolate()); |
- Isolate* isolate = CcTest::i_isolate(); |
- Heap* heap = isolate->heap(); |
- Factory* factory = isolate->factory(); |
- |
- SlotsBuffer* buffer = new SlotsBuffer(NULL); |
- void* fake_object[1]; |
- |
- Handle<FixedArray> array = factory->NewFixedArray(2, TENURED); |
- CHECK(heap->old_space()->Contains(*array)); |
- array->set(0, reinterpret_cast<Object*>(fake_object), SKIP_WRITE_BARRIER); |
- |
- // Firstly, let's test the regular slots buffer entry. |
- buffer->Add(HeapObject::RawField(*array, FixedArray::kHeaderSize)); |
- CHECK(reinterpret_cast<void*>(buffer->Get(0)) == |
- HeapObject::RawField(*array, FixedArray::kHeaderSize)); |
- SlotsBuffer::RemoveObjectSlots(CcTest::i_isolate()->heap(), buffer, |
- array->address(), |
- array->address() + array->Size()); |
- CHECK(reinterpret_cast<void*>(buffer->Get(0)) == |
- HeapObject::RawField(heap->empty_fixed_array(), |
- FixedArrayBase::kLengthOffset)); |
- |
- // Secondly, let's test the typed slots buffer entry. |
- SlotsBuffer::AddTo(NULL, &buffer, SlotsBuffer::EMBEDDED_OBJECT_SLOT, |
- array->address() + FixedArray::kHeaderSize, |
- SlotsBuffer::FAIL_ON_OVERFLOW); |
- CHECK(reinterpret_cast<void*>(buffer->Get(1)) == |
- reinterpret_cast<Object**>(SlotsBuffer::EMBEDDED_OBJECT_SLOT)); |
- CHECK(reinterpret_cast<void*>(buffer->Get(2)) == |
- HeapObject::RawField(*array, FixedArray::kHeaderSize)); |
- SlotsBuffer::RemoveObjectSlots(CcTest::i_isolate()->heap(), buffer, |
- array->address(), |
- array->address() + array->Size()); |
- CHECK(reinterpret_cast<void*>(buffer->Get(1)) == |
- HeapObject::RawField(heap->empty_fixed_array(), |
- FixedArrayBase::kLengthOffset)); |
- CHECK(reinterpret_cast<void*>(buffer->Get(2)) == |
- HeapObject::RawField(heap->empty_fixed_array(), |
- FixedArrayBase::kLengthOffset)); |
- delete buffer; |
-} |
- |
- |
-TEST(FilterInvalidSlotsBufferEntries) { |
- FLAG_manual_evacuation_candidates_selection = true; |
- CcTest::InitializeVM(); |
- v8::HandleScope scope(CcTest::isolate()); |
- Isolate* isolate = CcTest::i_isolate(); |
- Heap* heap = isolate->heap(); |
- Factory* factory = isolate->factory(); |
- SlotsBuffer* buffer = new SlotsBuffer(NULL); |
- |
- // Set up a fake black object that will contain a recorded SMI, a recorded |
- // pointer to a new space object, and a recorded pointer to a non-evacuation |
- // candidate object. These object should be filtered out. Additionally, |
- // we point to an evacuation candidate object which should not be filtered |
- // out. |
- |
- // Create fake object and mark it black. |
- Handle<FixedArray> fake_object = factory->NewFixedArray(23, TENURED); |
- MarkBit mark_bit = Marking::MarkBitFrom(*fake_object); |
- Marking::MarkBlack(mark_bit); |
- |
- // Write a SMI into field one and record its address; |
- Object** field_smi = fake_object->RawFieldOfElementAt(0); |
- *field_smi = Smi::FromInt(100); |
- buffer->Add(field_smi); |
- |
- // Write a new space reference into field 2 and record its address; |
- Handle<FixedArray> new_space_object = factory->NewFixedArray(23); |
- mark_bit = Marking::MarkBitFrom(*new_space_object); |
- Marking::MarkBlack(mark_bit); |
- Object** field_new_space = fake_object->RawFieldOfElementAt(1); |
- *field_new_space = *new_space_object; |
- buffer->Add(field_new_space); |
- |
- // Write an old space reference into field 3 which points to an object not on |
- // an evacuation candidate. |
- Handle<FixedArray> old_space_object_non_evacuation = |
- factory->NewFixedArray(23, TENURED); |
- mark_bit = Marking::MarkBitFrom(*old_space_object_non_evacuation); |
- Marking::MarkBlack(mark_bit); |
- Object** field_old_space_object_non_evacuation = |
- fake_object->RawFieldOfElementAt(2); |
- *field_old_space_object_non_evacuation = *old_space_object_non_evacuation; |
- buffer->Add(field_old_space_object_non_evacuation); |
- |
- // Write an old space reference into field 4 which points to an object on an |
- // evacuation candidate. |
- heap::SimulateFullSpace(heap->old_space()); |
- Handle<FixedArray> valid_object = |
- isolate->factory()->NewFixedArray(23, TENURED); |
- Page* page = Page::FromAddress(valid_object->address()); |
- page->SetFlag(MemoryChunk::EVACUATION_CANDIDATE); |
- Object** valid_field = fake_object->RawFieldOfElementAt(3); |
- *valid_field = *valid_object; |
- buffer->Add(valid_field); |
- |
- SlotsBuffer::RemoveInvalidSlots(heap, buffer); |
- Object** kRemovedEntry = HeapObject::RawField(heap->empty_fixed_array(), |
- FixedArrayBase::kLengthOffset); |
- CHECK_EQ(buffer->Get(0), kRemovedEntry); |
- CHECK_EQ(buffer->Get(1), kRemovedEntry); |
- CHECK_EQ(buffer->Get(2), kRemovedEntry); |
- CHECK_EQ(buffer->Get(3), valid_field); |
- |
- // Clean-up to make verify heap happy. |
- mark_bit = Marking::MarkBitFrom(*fake_object); |
- Marking::MarkWhite(mark_bit); |
- mark_bit = Marking::MarkBitFrom(*new_space_object); |
- Marking::MarkWhite(mark_bit); |
- mark_bit = Marking::MarkBitFrom(*old_space_object_non_evacuation); |
- Marking::MarkWhite(mark_bit); |
- |
- delete buffer; |
-} |
- |
-} // namespace internal |
-} // namespace v8 |