/
weakarraylist-unittest.cc
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/
weakarraylist-unittest.cc
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// Copyright 2019 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/factory.h"
#include "test/unittests/test-utils.h"
namespace v8 {
namespace internal {
using WeakArrayListTest = TestWithIsolate;
TEST_F(WeakArrayListTest, Compact) {
Handle<WeakArrayList> list = isolate()->factory()->NewWeakArrayList(10);
EXPECT_EQ(list->length(), 0);
EXPECT_EQ(list->capacity(), 10);
MaybeObject some_object =
MaybeObject::FromObject(*isolate()->factory()->empty_fixed_array());
MaybeObject weak_ref = MaybeObject::MakeWeak(some_object);
MaybeObject smi = MaybeObject::FromSmi(Smi::FromInt(0));
MaybeObject cleared_ref = HeapObjectReference::ClearedValue(isolate());
list->Set(0, weak_ref);
list->Set(1, smi);
list->Set(2, cleared_ref);
list->Set(3, cleared_ref);
list->set_length(5);
list->Compact(isolate());
EXPECT_EQ(list->length(), 3);
EXPECT_EQ(list->capacity(), 10);
}
TEST_F(WeakArrayListTest, OutOfPlaceCompact) {
Handle<WeakArrayList> list = isolate()->factory()->NewWeakArrayList(20);
EXPECT_EQ(list->length(), 0);
EXPECT_EQ(list->capacity(), 20);
MaybeObject some_object =
MaybeObject::FromObject(*isolate()->factory()->empty_fixed_array());
MaybeObject weak_ref = MaybeObject::MakeWeak(some_object);
MaybeObject smi = MaybeObject::FromSmi(Smi::FromInt(0));
MaybeObject cleared_ref = HeapObjectReference::ClearedValue(isolate());
list->Set(0, weak_ref);
list->Set(1, smi);
list->Set(2, cleared_ref);
list->Set(3, smi);
list->Set(4, cleared_ref);
list->set_length(6);
Handle<WeakArrayList> compacted =
isolate()->factory()->CompactWeakArrayList(list, 4);
EXPECT_EQ(list->length(), 6);
EXPECT_EQ(compacted->length(), 4);
EXPECT_EQ(compacted->capacity(), 4);
}
} // namespace internal
} // namespace v8