9f86a91e76
This avoids an unnecessary runtime call from Set.prototype.delete(). R=mstarzinger@chromium.org Review URL: https://codereview.chromium.org/290733008 git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21408 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
255 lines
10 KiB
C++
255 lines
10 KiB
C++
// Copyright 2014 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include <stdlib.h>
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#include "v8.h"
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#include "cctest.h"
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#include "factory.h"
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namespace {
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using namespace v8::internal;
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void CheckIterResultObject(Isolate* isolate,
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Handle<JSObject> result,
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Handle<Object> value,
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bool done) {
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Handle<Object> value_object =
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Object::GetProperty(isolate, result, "value").ToHandleChecked();
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Handle<Object> done_object =
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Object::GetProperty(isolate, result, "done").ToHandleChecked();
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CHECK_EQ(*value_object, *value);
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CHECK(done_object->IsBoolean());
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CHECK_EQ(done_object->BooleanValue(), done);
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}
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TEST(Set) {
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i::FLAG_harmony_collections = true;
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LocalContext context;
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Isolate* isolate = CcTest::i_isolate();
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Factory* factory = isolate->factory();
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HandleScope scope(isolate);
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Handle<OrderedHashSet> ordered_set = factory->NewOrderedHashSet();
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CHECK_EQ(2, ordered_set->NumberOfBuckets());
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CHECK_EQ(0, ordered_set->NumberOfElements());
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CHECK_EQ(0, ordered_set->NumberOfDeletedElements());
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Handle<JSSetIterator> value_iterator =
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JSSetIterator::Create(ordered_set, JSSetIterator::kKindValues);
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Handle<JSSetIterator> value_iterator_2 =
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JSSetIterator::Create(ordered_set, JSSetIterator::kKindValues);
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Handle<Map> map = factory->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize);
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Handle<JSObject> obj = factory->NewJSObjectFromMap(map);
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CHECK(!ordered_set->Contains(obj));
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ordered_set = OrderedHashSet::Add(ordered_set, obj);
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CHECK_EQ(1, ordered_set->NumberOfElements());
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CHECK(ordered_set->Contains(obj));
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bool was_present = false;
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ordered_set = OrderedHashSet::Remove(ordered_set, obj, &was_present);
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CHECK(was_present);
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CHECK_EQ(0, ordered_set->NumberOfElements());
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CHECK(!ordered_set->Contains(obj));
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// Removing a not-present object should set was_present to false.
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ordered_set = OrderedHashSet::Remove(ordered_set, obj, &was_present);
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CHECK(!was_present);
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// Test for collisions/chaining
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Handle<JSObject> obj1 = factory->NewJSObjectFromMap(map);
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ordered_set = OrderedHashSet::Add(ordered_set, obj1);
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Handle<JSObject> obj2 = factory->NewJSObjectFromMap(map);
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ordered_set = OrderedHashSet::Add(ordered_set, obj2);
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Handle<JSObject> obj3 = factory->NewJSObjectFromMap(map);
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ordered_set = OrderedHashSet::Add(ordered_set, obj3);
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CHECK_EQ(3, ordered_set->NumberOfElements());
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CHECK(ordered_set->Contains(obj1));
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CHECK(ordered_set->Contains(obj2));
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CHECK(ordered_set->Contains(obj3));
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// Test iteration
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CheckIterResultObject(
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isolate, JSSetIterator::Next(value_iterator), obj1, false);
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CheckIterResultObject(
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isolate, JSSetIterator::Next(value_iterator), obj2, false);
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CheckIterResultObject(
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isolate, JSSetIterator::Next(value_iterator), obj3, false);
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CheckIterResultObject(isolate,
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JSSetIterator::Next(value_iterator),
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factory->undefined_value(),
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true);
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// Test growth
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ordered_set = OrderedHashSet::Add(ordered_set, obj);
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Handle<JSObject> obj4 = factory->NewJSObjectFromMap(map);
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ordered_set = OrderedHashSet::Add(ordered_set, obj4);
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CHECK(ordered_set->Contains(obj));
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CHECK(ordered_set->Contains(obj1));
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CHECK(ordered_set->Contains(obj2));
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CHECK(ordered_set->Contains(obj3));
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CHECK(ordered_set->Contains(obj4));
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CHECK_EQ(5, ordered_set->NumberOfElements());
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CHECK_EQ(0, ordered_set->NumberOfDeletedElements());
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CHECK_EQ(4, ordered_set->NumberOfBuckets());
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// Test iteration after growth
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CheckIterResultObject(
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isolate, JSSetIterator::Next(value_iterator_2), obj1, false);
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CheckIterResultObject(
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isolate, JSSetIterator::Next(value_iterator_2), obj2, false);
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CheckIterResultObject(
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isolate, JSSetIterator::Next(value_iterator_2), obj3, false);
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CheckIterResultObject(
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isolate, JSSetIterator::Next(value_iterator_2), obj, false);
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CheckIterResultObject(
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isolate, JSSetIterator::Next(value_iterator_2), obj4, false);
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CheckIterResultObject(isolate,
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JSSetIterator::Next(value_iterator_2),
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factory->undefined_value(),
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true);
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// Test shrinking
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ordered_set = OrderedHashSet::Remove(ordered_set, obj, &was_present);
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CHECK(was_present);
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ordered_set = OrderedHashSet::Remove(ordered_set, obj1, &was_present);
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CHECK(was_present);
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ordered_set = OrderedHashSet::Remove(ordered_set, obj2, &was_present);
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CHECK(was_present);
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ordered_set = OrderedHashSet::Remove(ordered_set, obj3, &was_present);
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CHECK(was_present);
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CHECK_EQ(1, ordered_set->NumberOfElements());
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CHECK_EQ(2, ordered_set->NumberOfBuckets());
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}
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TEST(Map) {
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i::FLAG_harmony_collections = true;
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LocalContext context;
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Isolate* isolate = CcTest::i_isolate();
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Factory* factory = isolate->factory();
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HandleScope scope(isolate);
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Handle<OrderedHashMap> ordered_map = factory->NewOrderedHashMap();
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CHECK_EQ(2, ordered_map->NumberOfBuckets());
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CHECK_EQ(0, ordered_map->NumberOfElements());
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CHECK_EQ(0, ordered_map->NumberOfDeletedElements());
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Handle<JSMapIterator> value_iterator =
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JSMapIterator::Create(ordered_map, JSMapIterator::kKindValues);
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Handle<JSMapIterator> key_iterator =
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JSMapIterator::Create(ordered_map, JSMapIterator::kKindKeys);
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Handle<Map> map = factory->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize);
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Handle<JSObject> obj = factory->NewJSObjectFromMap(map);
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Handle<JSObject> val = factory->NewJSObjectFromMap(map);
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CHECK(ordered_map->Lookup(obj)->IsTheHole());
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ordered_map = OrderedHashMap::Put(ordered_map, obj, val);
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CHECK_EQ(1, ordered_map->NumberOfElements());
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CHECK(ordered_map->Lookup(obj)->SameValue(*val));
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ordered_map = OrderedHashMap::Put(
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ordered_map, obj, factory->the_hole_value());
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CHECK_EQ(0, ordered_map->NumberOfElements());
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CHECK(ordered_map->Lookup(obj)->IsTheHole());
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// Test for collisions/chaining
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Handle<JSObject> obj1 = factory->NewJSObjectFromMap(map);
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Handle<JSObject> obj2 = factory->NewJSObjectFromMap(map);
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Handle<JSObject> obj3 = factory->NewJSObjectFromMap(map);
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Handle<JSObject> val1 = factory->NewJSObjectFromMap(map);
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Handle<JSObject> val2 = factory->NewJSObjectFromMap(map);
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Handle<JSObject> val3 = factory->NewJSObjectFromMap(map);
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ordered_map = OrderedHashMap::Put(ordered_map, obj1, val1);
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ordered_map = OrderedHashMap::Put(ordered_map, obj2, val2);
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ordered_map = OrderedHashMap::Put(ordered_map, obj3, val3);
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CHECK_EQ(3, ordered_map->NumberOfElements());
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CHECK(ordered_map->Lookup(obj1)->SameValue(*val1));
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CHECK(ordered_map->Lookup(obj2)->SameValue(*val2));
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CHECK(ordered_map->Lookup(obj3)->SameValue(*val3));
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// Test iteration
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CheckIterResultObject(
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isolate, JSMapIterator::Next(value_iterator), val1, false);
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CheckIterResultObject(
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isolate, JSMapIterator::Next(value_iterator), val2, false);
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CheckIterResultObject(
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isolate, JSMapIterator::Next(value_iterator), val3, false);
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CheckIterResultObject(isolate,
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JSMapIterator::Next(value_iterator),
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factory->undefined_value(),
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true);
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// Test growth
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ordered_map = OrderedHashMap::Put(ordered_map, obj, val);
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Handle<JSObject> obj4 = factory->NewJSObjectFromMap(map);
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Handle<JSObject> val4 = factory->NewJSObjectFromMap(map);
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ordered_map = OrderedHashMap::Put(ordered_map, obj4, val4);
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CHECK(ordered_map->Lookup(obj)->SameValue(*val));
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CHECK(ordered_map->Lookup(obj1)->SameValue(*val1));
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CHECK(ordered_map->Lookup(obj2)->SameValue(*val2));
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CHECK(ordered_map->Lookup(obj3)->SameValue(*val3));
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CHECK(ordered_map->Lookup(obj4)->SameValue(*val4));
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CHECK_EQ(5, ordered_map->NumberOfElements());
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CHECK_EQ(4, ordered_map->NumberOfBuckets());
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// Test iteration after growth
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CheckIterResultObject(
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isolate, JSMapIterator::Next(key_iterator), obj1, false);
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CheckIterResultObject(
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isolate, JSMapIterator::Next(key_iterator), obj2, false);
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CheckIterResultObject(
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isolate, JSMapIterator::Next(key_iterator), obj3, false);
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CheckIterResultObject(
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isolate, JSMapIterator::Next(key_iterator), obj, false);
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CheckIterResultObject(
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isolate, JSMapIterator::Next(key_iterator), obj4, false);
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CheckIterResultObject(isolate,
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JSMapIterator::Next(key_iterator),
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factory->undefined_value(),
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true);
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// Test shrinking
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ordered_map = OrderedHashMap::Put(
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ordered_map, obj, factory->the_hole_value());
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ordered_map = OrderedHashMap::Put(
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ordered_map, obj1, factory->the_hole_value());
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ordered_map = OrderedHashMap::Put(
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ordered_map, obj2, factory->the_hole_value());
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ordered_map = OrderedHashMap::Put(
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ordered_map, obj3, factory->the_hole_value());
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CHECK_EQ(1, ordered_map->NumberOfElements());
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CHECK_EQ(2, ordered_map->NumberOfBuckets());
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}
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}
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