Chromium Code Reviews| Index: test/cctest/test-constantpool.cc |
| diff --git a/test/cctest/test-constantpool.cc b/test/cctest/test-constantpool.cc |
| index 4592074742b833fdee16bf3808527f23757e8a3f..2b4e480ce6065cc978862fcff09290193ffc65b6 100644 |
| --- a/test/cctest/test-constantpool.cc |
| +++ b/test/cctest/test-constantpool.cc |
| @@ -1,337 +1,247 @@ |
| // Copyright 2013 the V8 project authors. All rights reserved. |
|
rmcilroy
2015/06/02 13:57:21
Still need to update date to 2015.
MTBrandyberry
2015/06/02 15:36:10
Not sure how that happened. Will fix.
|
| -// 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 |
| -// with the distribution. |
| -// * Neither the name of Google Inc. nor the names of its |
| -// contributors may be used to endorse or promote products derived |
| -// from this software without specific prior written permission. |
| -// |
| -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| - |
| -// Test constant pool array code. |
| +// Use of this source code is governed by a BSD-style license that can be |
| +// found in the LICENSE file. |
| + |
| +// Test embedded constant pool builder code. |
| #include "src/v8.h" |
| -#include "src/factory.h" |
| -#include "src/objects.h" |
| +#include "src/assembler.h" |
| #include "test/cctest/cctest.h" |
| using namespace v8::internal; |
| -static ConstantPoolArray::Type kTypes[] = { ConstantPoolArray::INT64, |
| - ConstantPoolArray::CODE_PTR, |
| - ConstantPoolArray::HEAP_PTR, |
| - ConstantPoolArray::INT32 }; |
| -static ConstantPoolArray::LayoutSection kSmall = |
| - ConstantPoolArray::SMALL_SECTION; |
| -static ConstantPoolArray::LayoutSection kExtended = |
| - ConstantPoolArray::EXTENDED_SECTION; |
| - |
| -Code* DummyCode(LocalContext* context) { |
| - CompileRun("function foo() {};"); |
| - i::Handle<i::JSFunction> fun = v8::Utils::OpenHandle( |
| - *v8::Local<v8::Function>::Cast( |
| - (*context)->Global()->Get(v8_str("foo")))); |
| - return fun->code(); |
| -} |
| +const ConstantPoolEntry::Type kPtrType = ConstantPoolEntry::INTPTR; |
| +const ConstantPoolEntry::Type kDblType = ConstantPoolEntry::DOUBLE; |
| +const ConstantPoolEntry::Access kRegAccess = ConstantPoolEntry::REGULAR; |
| +const ConstantPoolEntry::Access kOvflAccess = ConstantPoolEntry::OVERFLOWED; |
| +const int kReachBits = 6; // Use reach of 64-bytes to test overflow. |
| +const int kReach = 1 << kReachBits; |
| -TEST(ConstantPoolSmall) { |
| - LocalContext context; |
| - Isolate* isolate = CcTest::i_isolate(); |
| - Factory* factory = isolate->factory(); |
| - v8::HandleScope scope(context->GetIsolate()); |
| - // Check construction. |
| - ConstantPoolArray::NumberOfEntries small(3, 1, 2, 1); |
| - Handle<ConstantPoolArray> array = factory->NewConstantPoolArray(small); |
| +TEST(ConstantPoolPointers) { |
| + ConstantPoolBuilder builder(kReachBits, kReachBits); |
| + const int kRegularCount = kReach / kPointerSize; |
| + ConstantPoolEntry::Access access; |
| + int pos = 0; |
| + intptr_t value = 0; |
| + bool sharing_ok = true; |
| - int expected_counts[] = { 3, 1, 2, 1 }; |
| - int expected_first_idx[] = { 0, 3, 4, 6 }; |
| - int expected_last_idx[] = { 2, 3, 5, 6 }; |
| - for (int i = 0; i < 4; i++) { |
| - CHECK_EQ(expected_counts[i], array->number_of_entries(kTypes[i], kSmall)); |
| - CHECK_EQ(expected_first_idx[i], array->first_index(kTypes[i], kSmall)); |
| - CHECK_EQ(expected_last_idx[i], array->last_index(kTypes[i], kSmall)); |
| + CHECK(builder.IsEmpty()); |
| + while (builder.NextAccess(kPtrType) == kRegAccess) { |
| + access = builder.AddEntry(pos++, value++, sharing_ok); |
| + CHECK_EQ(access, kRegAccess); |
| } |
| - CHECK(!array->is_extended_layout()); |
| - |
| - // Check getters and setters. |
| - int64_t big_number = V8_2PART_UINT64_C(0x12345678, 9ABCDEF0); |
| - Handle<Object> object = factory->NewHeapNumber(4.0, IMMUTABLE, TENURED); |
| - Code* code = DummyCode(&context); |
| - array->set(0, big_number); |
| - array->set(1, 0.5); |
| - array->set(2, 3e-24); |
| - array->set(3, code->entry()); |
| - array->set(4, code); |
| - array->set(5, *object); |
| - array->set(6, 50); |
| - CHECK_EQ(big_number, array->get_int64_entry(0)); |
| - CHECK_EQ(0.5, array->get_int64_entry_as_double(1)); |
| - CHECK_EQ(3e-24, array->get_int64_entry_as_double(2)); |
| - CHECK_EQ(code->entry(), array->get_code_ptr_entry(3)); |
| - CHECK_EQ(code, array->get_heap_ptr_entry(4)); |
| - CHECK_EQ(*object, array->get_heap_ptr_entry(5)); |
| - CHECK_EQ(50, array->get_int32_entry(6)); |
| + CHECK(!builder.IsEmpty()); |
| + CHECK_EQ(pos, kRegularCount); |
| + |
| + access = builder.AddEntry(pos, value, sharing_ok); |
| + CHECK_EQ(access, kOvflAccess); |
| } |
| -TEST(ConstantPoolExtended) { |
| - LocalContext context; |
| - Isolate* isolate = CcTest::i_isolate(); |
| - Factory* factory = isolate->factory(); |
| - v8::HandleScope scope(context->GetIsolate()); |
| - |
| - // Check construction. |
| - ConstantPoolArray::NumberOfEntries small(1, 2, 3, 4); |
| - ConstantPoolArray::NumberOfEntries extended(5, 6, 7, 8); |
| - Handle<ConstantPoolArray> array = |
| - factory->NewExtendedConstantPoolArray(small, extended); |
| - |
| - // Check small section. |
| - int small_counts[] = { 1, 2, 3, 4 }; |
| - int small_first_idx[] = { 0, 1, 3, 6 }; |
| - int small_last_idx[] = { 0, 2, 5, 9 }; |
| - for (int i = 0; i < 4; i++) { |
| - CHECK_EQ(small_counts[i], array->number_of_entries(kTypes[i], kSmall)); |
| - CHECK_EQ(small_first_idx[i], array->first_index(kTypes[i], kSmall)); |
| - CHECK_EQ(small_last_idx[i], array->last_index(kTypes[i], kSmall)); |
| - } |
| +TEST(ConstantPoolDoubles) { |
| + ConstantPoolBuilder builder(kReachBits, kReachBits); |
| + const int kRegularCount = kReach / kDoubleSize; |
| + ConstantPoolEntry::Access access; |
| + int pos = 0; |
| + double value = 0.0; |
| - // Check extended layout. |
| - CHECK(array->is_extended_layout()); |
| - int extended_counts[] = { 5, 6, 7, 8 }; |
| - int extended_first_idx[] = { 10, 15, 21, 28 }; |
| - int extended_last_idx[] = { 14, 20, 27, 35 }; |
| - for (int i = 0; i < 4; i++) { |
| - CHECK_EQ(extended_counts[i], |
| - array->number_of_entries(kTypes[i], kExtended)); |
| - CHECK_EQ(extended_first_idx[i], array->first_index(kTypes[i], kExtended)); |
| - CHECK_EQ(extended_last_idx[i], array->last_index(kTypes[i], kExtended)); |
| + CHECK(builder.IsEmpty()); |
| + while (builder.NextAccess(kDblType) == kRegAccess) { |
| + access = builder.AddEntry(pos++, value); |
| + value += 0.5; |
| + CHECK_EQ(access, kRegAccess); |
| } |
| + CHECK(!builder.IsEmpty()); |
| + CHECK_EQ(pos, kRegularCount); |
| - // Check small and large section's don't overlap. |
| - int64_t small_section_int64 = V8_2PART_UINT64_C(0x56781234, DEF09ABC); |
| - Code* small_section_code_ptr = DummyCode(&context); |
| - Handle<Object> small_section_heap_ptr = |
| - factory->NewHeapNumber(4.0, IMMUTABLE, TENURED); |
| - int32_t small_section_int32 = 0xab12cd45; |
| - |
| - int64_t extended_section_int64 = V8_2PART_UINT64_C(0x12345678, 9ABCDEF0); |
| - Code* extended_section_code_ptr = DummyCode(&context); |
| - Handle<Object> extended_section_heap_ptr = |
| - factory->NewHeapNumber(5.0, IMMUTABLE, TENURED); |
| - int32_t extended_section_int32 = 0xef67ab89; |
| - |
| - for (int i = array->first_index(ConstantPoolArray::INT64, kSmall); |
| - i <= array->last_index(ConstantPoolArray::INT32, kSmall); i++) { |
| - if (i <= array->last_index(ConstantPoolArray::INT64, kSmall)) { |
| - array->set(i, small_section_int64); |
| - } else if (i <= array->last_index(ConstantPoolArray::CODE_PTR, kSmall)) { |
| - array->set(i, small_section_code_ptr->entry()); |
| - } else if (i <= array->last_index(ConstantPoolArray::HEAP_PTR, kSmall)) { |
| - array->set(i, *small_section_heap_ptr); |
| - } else { |
| - CHECK(i <= array->last_index(ConstantPoolArray::INT32, kSmall)); |
| - array->set(i, small_section_int32); |
| - } |
| - } |
| - for (int i = array->first_index(ConstantPoolArray::INT64, kExtended); |
| - i <= array->last_index(ConstantPoolArray::INT32, kExtended); i++) { |
| - if (i <= array->last_index(ConstantPoolArray::INT64, kExtended)) { |
| - array->set(i, extended_section_int64); |
| - } else if (i <= array->last_index(ConstantPoolArray::CODE_PTR, kExtended)) { |
| - array->set(i, extended_section_code_ptr->entry()); |
| - } else if (i <= array->last_index(ConstantPoolArray::HEAP_PTR, kExtended)) { |
| - array->set(i, *extended_section_heap_ptr); |
| - } else { |
| - CHECK(i <= array->last_index(ConstantPoolArray::INT32, kExtended)); |
| - array->set(i, extended_section_int32); |
| - } |
| - } |
| + access = builder.AddEntry(pos, value); |
| + CHECK_EQ(access, kOvflAccess); |
| +} |
| - for (int i = array->first_index(ConstantPoolArray::INT64, kSmall); |
| - i <= array->last_index(ConstantPoolArray::INT32, kSmall); i++) { |
| - if (i <= array->last_index(ConstantPoolArray::INT64, kSmall)) { |
| - CHECK_EQ(small_section_int64, array->get_int64_entry(i)); |
| - } else if (i <= array->last_index(ConstantPoolArray::CODE_PTR, kSmall)) { |
| - CHECK_EQ(small_section_code_ptr->entry(), array->get_code_ptr_entry(i)); |
| - } else if (i <= array->last_index(ConstantPoolArray::HEAP_PTR, kSmall)) { |
| - CHECK_EQ(*small_section_heap_ptr, array->get_heap_ptr_entry(i)); |
| - } else { |
| - CHECK(i <= array->last_index(ConstantPoolArray::INT32, kSmall)); |
| - CHECK_EQ(small_section_int32, array->get_int32_entry(i)); |
| - } |
| - } |
| - for (int i = array->first_index(ConstantPoolArray::INT64, kExtended); |
| - i <= array->last_index(ConstantPoolArray::INT32, kExtended); i++) { |
| - if (i <= array->last_index(ConstantPoolArray::INT64, kExtended)) { |
| - CHECK_EQ(extended_section_int64, array->get_int64_entry(i)); |
| - } else if (i <= array->last_index(ConstantPoolArray::CODE_PTR, kExtended)) { |
| - CHECK_EQ(extended_section_code_ptr->entry(), |
| - array->get_code_ptr_entry(i)); |
| - } else if (i <= array->last_index(ConstantPoolArray::HEAP_PTR, kExtended)) { |
| - CHECK_EQ(*extended_section_heap_ptr, array->get_heap_ptr_entry(i)); |
| + |
| +TEST(ConstantPoolMixedTypes) { |
| + ConstantPoolBuilder builder(kReachBits, kReachBits); |
| + const int kRegularCount = (((kReach / (kDoubleSize + kPointerSize)) * 2) + |
| + ((kPointerSize < kDoubleSize) ? 1 : 0)); |
| + ConstantPoolEntry::Type type = kPtrType; |
| + ConstantPoolEntry::Access access; |
| + int pos = 0; |
| + intptr_t ptrValue = 0; |
| + double dblValue = 0.0; |
| + bool sharing_ok = true; |
| + |
| + CHECK(builder.IsEmpty()); |
| + while (builder.NextAccess(type) == kRegAccess) { |
| + if (type == kPtrType) { |
| + access = builder.AddEntry(pos++, ptrValue++, sharing_ok); |
| + type = kDblType; |
| } else { |
| - CHECK(i <= array->last_index(ConstantPoolArray::INT32, kExtended)); |
| - CHECK_EQ(extended_section_int32, array->get_int32_entry(i)); |
| + access = builder.AddEntry(pos++, dblValue); |
| + dblValue += 0.5; |
| + type = kPtrType; |
| } |
| + CHECK_EQ(access, kRegAccess); |
| } |
| + CHECK(!builder.IsEmpty()); |
| + CHECK_EQ(pos, kRegularCount); |
| + |
| + access = builder.AddEntry(pos++, ptrValue, sharing_ok); |
| + CHECK_EQ(access, kOvflAccess); |
| + access = builder.AddEntry(pos, dblValue); |
| + CHECK_EQ(access, kOvflAccess); |
| } |
| -static void CheckIterator(Handle<ConstantPoolArray> array, |
| - ConstantPoolArray::Type type, |
| - int expected_indexes[], |
| - int count) { |
| - int i = 0; |
| - ConstantPoolArray::Iterator iter(*array, type); |
| - while (!iter.is_finished()) { |
| - CHECK_EQ(expected_indexes[i++], iter.next_index()); |
| +TEST(ConstantPoolMixedReach) { |
| + const int ptrReachBits = kReachBits + 2; |
| + const int ptrReach = 1 << ptrReachBits; |
| + const int dblReachBits = kReachBits; |
| + const int dblReach = kReach; |
| + const int dblRegularCount = |
| + Min(dblReach / kDoubleSize, ptrReach / (kDoubleSize + kPointerSize)); |
| + const int ptrRegularCount = |
| + ((ptrReach - (dblRegularCount * (kDoubleSize + kPointerSize))) / |
| + kPointerSize) + |
| + dblRegularCount; |
| + ConstantPoolBuilder builder(ptrReachBits, dblReachBits); |
| + ConstantPoolEntry::Access access; |
| + int pos = 0; |
| + intptr_t ptrValue = 0; |
| + double dblValue = 0.0; |
| + bool sharing_ok = true; |
| + int ptrCount = 0; |
| + int dblCount = 0; |
| + |
| + CHECK(builder.IsEmpty()); |
| + while (builder.NextAccess(kDblType) == kRegAccess) { |
| + access = builder.AddEntry(pos++, dblValue); |
| + dblValue += 0.5; |
| + dblCount++; |
| + CHECK_EQ(access, kRegAccess); |
| + |
| + access = builder.AddEntry(pos++, ptrValue++, sharing_ok); |
| + ptrCount++; |
| + CHECK_EQ(access, kRegAccess); |
| } |
| - CHECK_EQ(count, i); |
| -} |
| + CHECK(!builder.IsEmpty()); |
| + CHECK_EQ(dblCount, dblRegularCount); |
| + while (ptrCount < ptrRegularCount) { |
| + access = builder.AddEntry(pos++, dblValue); |
| + dblValue += 0.5; |
| + CHECK_EQ(access, kOvflAccess); |
| -TEST(ConstantPoolIteratorSmall) { |
| - LocalContext context; |
| - Isolate* isolate = CcTest::i_isolate(); |
| - Factory* factory = isolate->factory(); |
| - v8::HandleScope scope(context->GetIsolate()); |
| - |
| - ConstantPoolArray::NumberOfEntries small(1, 5, 2, 0); |
| - Handle<ConstantPoolArray> array = factory->NewConstantPoolArray(small); |
| + access = builder.AddEntry(pos++, ptrValue++, sharing_ok); |
| + ptrCount++; |
| + CHECK_EQ(access, kRegAccess); |
| + } |
| + CHECK_EQ(builder.NextAccess(kPtrType), kOvflAccess); |
| - int expected_int64_indexs[] = { 0 }; |
| - CheckIterator(array, ConstantPoolArray::INT64, expected_int64_indexs, 1); |
| - int expected_code_indexs[] = { 1, 2, 3, 4, 5 }; |
| - CheckIterator(array, ConstantPoolArray::CODE_PTR, expected_code_indexs, 5); |
| - int expected_heap_indexs[] = { 6, 7 }; |
| - CheckIterator(array, ConstantPoolArray::HEAP_PTR, expected_heap_indexs, 2); |
| - int expected_int32_indexs[1]; |
| - CheckIterator(array, ConstantPoolArray::INT32, expected_int32_indexs, 0); |
| + access = builder.AddEntry(pos++, ptrValue, sharing_ok); |
| + CHECK_EQ(access, kOvflAccess); |
| + access = builder.AddEntry(pos, dblValue); |
| + CHECK_EQ(access, kOvflAccess); |
| } |
| -TEST(ConstantPoolIteratorExtended) { |
| - LocalContext context; |
| - Isolate* isolate = CcTest::i_isolate(); |
| - Factory* factory = isolate->factory(); |
| - v8::HandleScope scope(context->GetIsolate()); |
| - |
| - ConstantPoolArray::NumberOfEntries small(1, 0, 0, 4); |
| - ConstantPoolArray::NumberOfEntries extended(5, 0, 3, 0); |
| - Handle<ConstantPoolArray> array = |
| - factory->NewExtendedConstantPoolArray(small, extended); |
| - |
| - int expected_int64_indexs[] = { 0, 5, 6, 7, 8, 9 }; |
| - CheckIterator(array, ConstantPoolArray::INT64, expected_int64_indexs, 6); |
| - int expected_code_indexs[1]; |
| - CheckIterator(array, ConstantPoolArray::CODE_PTR, expected_code_indexs, 0); |
| - int expected_heap_indexs[] = { 10, 11, 12 }; |
| - CheckIterator(array, ConstantPoolArray::HEAP_PTR, expected_heap_indexs, 3); |
| - int expected_int32_indexs[] = { 1, 2, 3, 4 }; |
| - CheckIterator(array, ConstantPoolArray::INT32, expected_int32_indexs, 4); |
| -} |
| +TEST(ConstantPoolSharing) { |
| + ConstantPoolBuilder builder(kReachBits, kReachBits); |
| + const int kRegularCount = (((kReach / (kDoubleSize + kPointerSize)) * 2) + |
| + ((kPointerSize < kDoubleSize) ? 1 : 0)); |
| + ConstantPoolEntry::Access access; |
| + CHECK(builder.IsEmpty()); |
| -TEST(ConstantPoolPreciseGC) { |
| - LocalContext context; |
| - Isolate* isolate = CcTest::i_isolate(); |
| - Heap* heap = isolate->heap(); |
| - Factory* factory = isolate->factory(); |
| - v8::HandleScope scope(context->GetIsolate()); |
| - |
| - ConstantPoolArray::NumberOfEntries small(1, 0, 0, 1); |
| - Handle<ConstantPoolArray> array = factory->NewConstantPoolArray(small); |
| - |
| - // Check that the store buffer knows which entries are pointers and which are |
| - // not. To do this, make non-pointer entries which look like new space |
| - // pointers but are actually invalid and ensure the GC doesn't try to move |
| - // them. |
| - Handle<HeapObject> object = factory->NewHeapNumber(4.0); |
| - Object* raw_ptr = *object; |
| - // If interpreted as a pointer, this should be right inside the heap number |
| - // which will cause a crash when trying to lookup the 'map' pointer. |
| - intptr_t invalid_ptr = reinterpret_cast<intptr_t>(raw_ptr) + kInt32Size; |
| - int32_t invalid_ptr_int32 = static_cast<int32_t>(invalid_ptr); |
| - int64_t invalid_ptr_int64 = static_cast<int64_t>(invalid_ptr); |
| - array->set(0, invalid_ptr_int64); |
| - array->set(1, invalid_ptr_int32); |
| - |
| - // Ensure we perform a scan on scavenge for the constant pool's page. |
| - MemoryChunk::FromAddress(array->address())->set_scan_on_scavenge(true); |
| - heap->CollectGarbage(NEW_SPACE); |
| - |
| - // Check the object was moved by GC. |
| - CHECK_NE(*object, raw_ptr); |
| - |
| - // Check the non-pointer entries weren't changed. |
| - CHECK_EQ(invalid_ptr_int64, array->get_int64_entry(0)); |
| - CHECK_EQ(invalid_ptr_int32, array->get_int32_entry(1)); |
| + ConstantPoolEntry::Type type = kPtrType; |
| + int pos = 0; |
| + intptr_t ptrValue = 0; |
| + double dblValue = 0.0; |
| + bool sharing_ok = true; |
| + while (builder.NextAccess(type) == kRegAccess) { |
| + if (type == kPtrType) { |
| + access = builder.AddEntry(pos++, ptrValue++, sharing_ok); |
| + type = kDblType; |
| + } else { |
| + access = builder.AddEntry(pos++, dblValue); |
| + dblValue += 0.5; |
| + type = kPtrType; |
| + } |
| + CHECK_EQ(access, kRegAccess); |
| + } |
| + CHECK(!builder.IsEmpty()); |
| + CHECK_EQ(pos, kRegularCount); |
| + |
| + type = kPtrType; |
| + ptrValue = 0; |
| + dblValue = 0.0; |
| + while (pos < kRegularCount * 2) { |
| + if (type == kPtrType) { |
| + access = builder.AddEntry(pos++, ptrValue++, sharing_ok); |
| + type = kDblType; |
| + } else { |
| + access = builder.AddEntry(pos++, dblValue); |
| + dblValue += 0.5; |
| + type = kPtrType; |
| + } |
| + CHECK_EQ(access, kRegAccess); |
| + } |
| + |
| + access = builder.AddEntry(pos++, ptrValue, sharing_ok); |
| + CHECK_EQ(access, kOvflAccess); |
| + access = builder.AddEntry(pos, dblValue); |
| + CHECK_EQ(access, kOvflAccess); |
| } |
| -TEST(ConstantPoolCompacting) { |
| - if (i::FLAG_never_compact) return; |
| - i::FLAG_always_compact = true; |
| - LocalContext context; |
| - Isolate* isolate = CcTest::i_isolate(); |
| - Heap* heap = isolate->heap(); |
| - Factory* factory = isolate->factory(); |
| - v8::HandleScope scope(context->GetIsolate()); |
| - |
| - ConstantPoolArray::NumberOfEntries small(0, 0, 1, 0); |
| - ConstantPoolArray::NumberOfEntries extended(0, 0, 1, 0); |
| - Handle<ConstantPoolArray> array = |
| - factory->NewExtendedConstantPoolArray(small, extended); |
| - |
| - // Start a second old-space page so that the heap pointer added to the |
| - // constant pool array ends up on the an evacuation candidate page. |
| - Page* first_page = heap->old_space()->anchor()->next_page(); |
| - { |
| - HandleScope scope(isolate); |
| - int dummy_array_size = Page::kMaxRegularHeapObjectSize - 92 * KB; |
| - Handle<HeapObject> temp = |
| - factory->NewFixedDoubleArray(dummy_array_size / kDoubleSize, TENURED); |
| - CHECK(heap->InOldSpace(temp->address())); |
| - Handle<HeapObject> heap_ptr = |
| - factory->NewHeapNumber(5.0, IMMUTABLE, TENURED); |
| - CHECK(heap->InOldSpace(heap_ptr->address())); |
| - CHECK(!first_page->Contains(heap_ptr->address())); |
| - array->set(0, *heap_ptr); |
| - array->set(1, *heap_ptr); |
| - } |
| +TEST(ConstantPoolNoSharing) { |
| + ConstantPoolBuilder builder(kReachBits, kReachBits); |
| + const int kRegularCount = (((kReach / (kDoubleSize + kPointerSize)) * 2) + |
| + ((kPointerSize < kDoubleSize) ? 1 : 0)); |
| + ConstantPoolEntry::Access access; |
| - // Check heap pointers are correctly updated on GC. |
| - Object* old_ptr = array->get_heap_ptr_entry(0); |
| - Handle<Object> object(old_ptr, isolate); |
| - CHECK_EQ(old_ptr, *object); |
| - CHECK_EQ(old_ptr, array->get_heap_ptr_entry(1)); |
| + CHECK(builder.IsEmpty()); |
| - // Force compacting garbage collection. |
| - CHECK(FLAG_always_compact); |
| - heap->CollectAllGarbage(); |
| + ConstantPoolEntry::Type type = kPtrType; |
| + int pos = 0; |
| + intptr_t ptrValue = 0; |
| + double dblValue = 0.0; |
| + bool sharing_ok = false; |
| + while (builder.NextAccess(type) == kRegAccess) { |
| + if (type == kPtrType) { |
| + access = builder.AddEntry(pos++, ptrValue++, sharing_ok); |
| + type = kDblType; |
| + } else { |
| + access = builder.AddEntry(pos++, dblValue); |
| + dblValue += 0.5; |
| + type = kPtrType; |
| + } |
| + CHECK_EQ(access, kRegAccess); |
| + } |
| + CHECK(!builder.IsEmpty()); |
| + CHECK_EQ(pos, kRegularCount); |
| + |
| + type = kPtrType; |
| + ptrValue = 0; |
| + dblValue = 0.0; |
| + sharing_ok = true; |
| + while (pos < kRegularCount * 2) { |
| + if (type == kPtrType) { |
| + access = builder.AddEntry(pos++, ptrValue++, sharing_ok); |
| + type = kDblType; |
| + CHECK_EQ(access, kOvflAccess); |
| + } else { |
| + access = builder.AddEntry(pos++, dblValue); |
| + dblValue += 0.5; |
| + type = kPtrType; |
| + CHECK_EQ(access, kRegAccess); |
| + } |
| + } |
| - CHECK_NE(old_ptr, *object); |
| - CHECK_EQ(*object, array->get_heap_ptr_entry(0)); |
| - CHECK_EQ(*object, array->get_heap_ptr_entry(1)); |
| + access = builder.AddEntry(pos++, ptrValue, sharing_ok); |
| + CHECK_EQ(access, kOvflAccess); |
| + access = builder.AddEntry(pos, dblValue); |
| + CHECK_EQ(access, kOvflAccess); |
| } |