v8/test/cctest/test-code-stub-assembler.cc
gsathya 677bd40ea6 [promises] Add AllocatePromiseResolveThenableJobInfo to TF
Also moves most of the runtime function into TF. There are lots of
runtime calls but they happen only for the debug case so it's fine.

BUG=v8:5343

Review-Url: https://codereview.chromium.org/2611083002
Cr-Commit-Position: refs/heads/master@{#42109}
2017-01-06 15:29:09 +00:00

2239 lines
79 KiB
C++

// 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/base/utils/random-number-generator.h"
#include "src/builtins/builtins-promise.h"
#include "src/code-factory.h"
#include "src/code-stub-assembler.h"
#include "src/compiler/node.h"
#include "src/isolate.h"
#include "src/promise-utils.h"
#include "test/cctest/compiler/code-assembler-tester.h"
#include "test/cctest/compiler/function-tester.h"
namespace v8 {
namespace internal {
using compiler::CodeAssemblerTester;
using compiler::FunctionTester;
using compiler::Node;
using compiler::CodeAssemblerLabel;
using compiler::CodeAssemblerVariable;
using compiler::CodeAssemblerVariableList;
TEST(FixedArrayAccessSmiIndex) {
Isolate* isolate(CcTest::InitIsolateOnce());
CodeAssemblerTester data(isolate);
CodeStubAssembler m(data.state());
Handle<FixedArray> array = isolate->factory()->NewFixedArray(5);
array->set(4, Smi::FromInt(733));
m.Return(m.LoadFixedArrayElement(m.HeapConstant(array),
m.SmiTag(m.Int32Constant(4)), 0,
CodeStubAssembler::SMI_PARAMETERS));
Handle<Code> code = data.GenerateCode();
FunctionTester ft(code);
MaybeHandle<Object> result = ft.Call();
CHECK_EQ(733, Handle<Smi>::cast(result.ToHandleChecked())->value());
}
TEST(LoadHeapNumberValue) {
Isolate* isolate(CcTest::InitIsolateOnce());
CodeAssemblerTester data(isolate);
CodeStubAssembler m(data.state());
Handle<HeapNumber> number = isolate->factory()->NewHeapNumber(1234);
m.Return(m.SmiFromWord32(
m.ChangeFloat64ToUint32(m.LoadHeapNumberValue(m.HeapConstant(number)))));
Handle<Code> code = data.GenerateCode();
FunctionTester ft(code);
MaybeHandle<Object> result = ft.Call();
CHECK_EQ(1234, Handle<Smi>::cast(result.ToHandleChecked())->value());
}
TEST(LoadInstanceType) {
Isolate* isolate(CcTest::InitIsolateOnce());
CodeAssemblerTester data(isolate);
CodeStubAssembler m(data.state());
Handle<HeapObject> undefined = isolate->factory()->undefined_value();
m.Return(m.SmiFromWord32(m.LoadInstanceType(m.HeapConstant(undefined))));
Handle<Code> code = data.GenerateCode();
FunctionTester ft(code);
MaybeHandle<Object> result = ft.Call();
CHECK_EQ(InstanceType::ODDBALL_TYPE,
Handle<Smi>::cast(result.ToHandleChecked())->value());
}
TEST(DecodeWordFromWord32) {
Isolate* isolate(CcTest::InitIsolateOnce());
CodeAssemblerTester data(isolate);
CodeStubAssembler m(data.state());
class TestBitField : public BitField<unsigned, 3, 3> {};
m.Return(
m.SmiTag(m.DecodeWordFromWord32<TestBitField>(m.Int32Constant(0x2f))));
Handle<Code> code = data.GenerateCode();
FunctionTester ft(code);
MaybeHandle<Object> result = ft.Call();
// value = 00101111
// mask = 00111000
// result = 101
CHECK_EQ(5, Handle<Smi>::cast(result.ToHandleChecked())->value());
}
TEST(JSFunction) {
const int kNumParams = 3; // Receiver, left, right.
Isolate* isolate(CcTest::InitIsolateOnce());
CodeAssemblerTester data(isolate, kNumParams);
CodeStubAssembler m(data.state());
m.Return(m.SmiFromWord32(m.Int32Add(m.SmiToWord32(m.Parameter(1)),
m.SmiToWord32(m.Parameter(2)))));
Handle<Code> code = data.GenerateCode();
FunctionTester ft(code, kNumParams);
MaybeHandle<Object> result = ft.Call(isolate->factory()->undefined_value(),
handle(Smi::FromInt(23), isolate),
handle(Smi::FromInt(34), isolate));
CHECK_EQ(57, Handle<Smi>::cast(result.ToHandleChecked())->value());
}
TEST(ComputeIntegerHash) {
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 2;
CodeAssemblerTester data(isolate, kNumParams);
CodeStubAssembler m(data.state());
m.Return(m.SmiFromWord32(m.ComputeIntegerHash(
m.SmiUntag(m.Parameter(0)), m.SmiToWord32(m.Parameter(1)))));
Handle<Code> code = data.GenerateCode();
FunctionTester ft(code, kNumParams);
Handle<Smi> hash_seed = isolate->factory()->hash_seed();
base::RandomNumberGenerator rand_gen(FLAG_random_seed);
for (int i = 0; i < 1024; i++) {
int k = rand_gen.NextInt(Smi::kMaxValue);
Handle<Smi> key(Smi::FromInt(k), isolate);
Handle<Object> result = ft.Call(key, hash_seed).ToHandleChecked();
uint32_t hash = ComputeIntegerHash(k, hash_seed->value());
Smi* expected = Smi::FromInt(hash & Smi::kMaxValue);
CHECK_EQ(expected, Smi::cast(*result));
}
}
TEST(ToString) {
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 1;
CodeAssemblerTester data(isolate, kNumParams);
CodeStubAssembler m(data.state());
m.Return(m.ToString(m.Parameter(kNumParams + 2), m.Parameter(0)));
Handle<Code> code = data.GenerateCode();
FunctionTester ft(code, kNumParams);
Handle<FixedArray> test_cases = isolate->factory()->NewFixedArray(5);
Handle<FixedArray> smi_test = isolate->factory()->NewFixedArray(2);
smi_test->set(0, Smi::FromInt(42));
Handle<String> str(isolate->factory()->InternalizeUtf8String("42"));
smi_test->set(1, *str);
test_cases->set(0, *smi_test);
Handle<FixedArray> number_test = isolate->factory()->NewFixedArray(2);
Handle<HeapNumber> num(isolate->factory()->NewHeapNumber(3.14));
number_test->set(0, *num);
str = isolate->factory()->InternalizeUtf8String("3.14");
number_test->set(1, *str);
test_cases->set(1, *number_test);
Handle<FixedArray> string_test = isolate->factory()->NewFixedArray(2);
str = isolate->factory()->InternalizeUtf8String("test");
string_test->set(0, *str);
string_test->set(1, *str);
test_cases->set(2, *string_test);
Handle<FixedArray> oddball_test = isolate->factory()->NewFixedArray(2);
oddball_test->set(0, isolate->heap()->undefined_value());
str = isolate->factory()->InternalizeUtf8String("undefined");
oddball_test->set(1, *str);
test_cases->set(3, *oddball_test);
Handle<FixedArray> tostring_test = isolate->factory()->NewFixedArray(2);
Handle<FixedArray> js_array_storage = isolate->factory()->NewFixedArray(2);
js_array_storage->set(0, Smi::FromInt(1));
js_array_storage->set(1, Smi::FromInt(2));
Handle<JSArray> js_array = isolate->factory()->NewJSArray(2);
JSArray::SetContent(js_array, js_array_storage);
tostring_test->set(0, *js_array);
str = isolate->factory()->InternalizeUtf8String("1,2");
tostring_test->set(1, *str);
test_cases->set(4, *tostring_test);
for (int i = 0; i < 5; ++i) {
Handle<FixedArray> test = handle(FixedArray::cast(test_cases->get(i)));
Handle<Object> obj = handle(test->get(0), isolate);
Handle<String> expected = handle(String::cast(test->get(1)));
Handle<Object> result = ft.Call(obj).ToHandleChecked();
CHECK(result->IsString());
CHECK(String::Equals(Handle<String>::cast(result), expected));
}
}
TEST(FlattenString) {
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 1;
CodeAssemblerTester data(isolate, kNumParams);
CodeStubAssembler m(data.state());
m.Return(m.FlattenString(m.Parameter(0)));
Handle<Code> code = data.GenerateCode();
FunctionTester ft(code, kNumParams);
Handle<FixedArray> test_cases(isolate->factory()->NewFixedArray(4));
Handle<String> expected(
isolate->factory()->InternalizeUtf8String("hello, world!"));
test_cases->set(0, *expected);
Handle<String> string(
isolate->factory()->InternalizeUtf8String("filler hello, world! filler"));
Handle<String> sub_string(
isolate->factory()->NewProperSubString(string, 7, 20));
test_cases->set(1, *sub_string);
Handle<String> hello(isolate->factory()->InternalizeUtf8String("hello,"));
Handle<String> world(isolate->factory()->InternalizeUtf8String(" world!"));
Handle<String> cons_str(
isolate->factory()->NewConsString(hello, world).ToHandleChecked());
test_cases->set(2, *cons_str);
Handle<String> empty(isolate->factory()->InternalizeUtf8String(""));
Handle<String> fake_cons_str(
isolate->factory()->NewConsString(expected, empty).ToHandleChecked());
test_cases->set(3, *fake_cons_str);
for (int i = 0; i < 4; ++i) {
Handle<String> test = handle(String::cast(test_cases->get(i)));
Handle<Object> result = ft.Call(test).ToHandleChecked();
CHECK(result->IsString());
CHECK(Handle<String>::cast(result)->IsFlat());
CHECK(String::Equals(Handle<String>::cast(result), expected));
}
}
TEST(TryToName) {
typedef CodeAssemblerLabel Label;
typedef CodeAssemblerVariable Variable;
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 3;
CodeAssemblerTester data(isolate, kNumParams);
CodeStubAssembler m(data.state());
enum Result { kKeyIsIndex, kKeyIsUnique, kBailout };
{
Node* key = m.Parameter(0);
Node* expected_result = m.Parameter(1);
Node* expected_arg = m.Parameter(2);
Label passed(&m), failed(&m);
Label if_keyisindex(&m), if_keyisunique(&m), if_bailout(&m);
Variable var_index(&m, MachineType::PointerRepresentation());
m.TryToName(key, &if_keyisindex, &var_index, &if_keyisunique, &if_bailout);
m.Bind(&if_keyisindex);
m.GotoUnless(
m.WordEqual(expected_result, m.SmiConstant(Smi::FromInt(kKeyIsIndex))),
&failed);
m.Branch(m.WordEqual(m.SmiUntag(expected_arg), var_index.value()), &passed,
&failed);
m.Bind(&if_keyisunique);
m.GotoUnless(
m.WordEqual(expected_result, m.SmiConstant(Smi::FromInt(kKeyIsUnique))),
&failed);
m.Branch(m.WordEqual(expected_arg, key), &passed, &failed);
m.Bind(&if_bailout);
m.Branch(
m.WordEqual(expected_result, m.SmiConstant(Smi::FromInt(kBailout))),
&passed, &failed);
m.Bind(&passed);
m.Return(m.BooleanConstant(true));
m.Bind(&failed);
m.Return(m.BooleanConstant(false));
}
Handle<Code> code = data.GenerateCode();
FunctionTester ft(code, kNumParams);
Handle<Object> expect_index(Smi::FromInt(kKeyIsIndex), isolate);
Handle<Object> expect_unique(Smi::FromInt(kKeyIsUnique), isolate);
Handle<Object> expect_bailout(Smi::FromInt(kBailout), isolate);
{
// TryToName(<zero smi>) => if_keyisindex: smi value.
Handle<Object> key(Smi::kZero, isolate);
ft.CheckTrue(key, expect_index, key);
}
{
// TryToName(<positive smi>) => if_keyisindex: smi value.
Handle<Object> key(Smi::FromInt(153), isolate);
ft.CheckTrue(key, expect_index, key);
}
{
// TryToName(<negative smi>) => if_keyisindex: smi value.
// A subsequent bounds check needs to take care of this case.
Handle<Object> key(Smi::FromInt(-1), isolate);
ft.CheckTrue(key, expect_index, key);
}
{
// TryToName(<heap number with int value>) => if_keyisindex: number.
Handle<Object> key(isolate->factory()->NewHeapNumber(153));
Handle<Object> index(Smi::FromInt(153), isolate);
ft.CheckTrue(key, expect_index, index);
}
{
// TryToName(<symbol>) => if_keyisunique: <symbol>.
Handle<Object> key = isolate->factory()->NewSymbol();
ft.CheckTrue(key, expect_unique, key);
}
{
// TryToName(<internalized string>) => if_keyisunique: <internalized string>
Handle<Object> key = isolate->factory()->InternalizeUtf8String("test");
ft.CheckTrue(key, expect_unique, key);
}
{
// TryToName(<internalized number string>) => if_keyisindex: number.
Handle<Object> key = isolate->factory()->InternalizeUtf8String("153");
Handle<Object> index(Smi::FromInt(153), isolate);
ft.CheckTrue(key, expect_index, index);
}
{
// TryToName(<internalized uncacheable number string>) => bailout
Handle<Object> key =
isolate->factory()->InternalizeUtf8String("4294967294");
ft.CheckTrue(key, expect_bailout);
}
{
// TryToName(<non-internalized number string>) => if_keyisindex: number.
Handle<String> key = isolate->factory()->NewStringFromAsciiChecked("153");
uint32_t dummy;
CHECK(key->AsArrayIndex(&dummy));
CHECK(key->HasHashCode());
CHECK(!key->IsInternalizedString());
Handle<Object> index(Smi::FromInt(153), isolate);
ft.CheckTrue(key, expect_index, index);
}
{
// TryToName(<number string without cached index>) => bailout.
Handle<String> key = isolate->factory()->NewStringFromAsciiChecked("153");
CHECK(!key->HasHashCode());
ft.CheckTrue(key, expect_bailout);
}
{
// TryToName(<non-internalized string>) => bailout.
Handle<Object> key = isolate->factory()->NewStringFromAsciiChecked("test");
ft.CheckTrue(key, expect_bailout);
}
}
namespace {
template <typename Dictionary>
void TestEntryToIndex() {
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 1;
CodeAssemblerTester data(isolate, kNumParams);
CodeStubAssembler m(data.state());
{
Node* entry = m.SmiUntag(m.Parameter(0));
Node* result = m.EntryToIndex<Dictionary>(entry);
m.Return(m.SmiTag(result));
}
Handle<Code> code = data.GenerateCode();
FunctionTester ft(code, kNumParams);
// Test a wide range of entries but staying linear in the first 100 entries.
for (int entry = 0; entry < Dictionary::kMaxCapacity;
entry = entry * 1.01 + 1) {
Handle<Object> result =
ft.Call(handle(Smi::FromInt(entry), isolate)).ToHandleChecked();
CHECK_EQ(Dictionary::EntryToIndex(entry), Smi::cast(*result)->value());
}
}
TEST(NameDictionaryEntryToIndex) { TestEntryToIndex<NameDictionary>(); }
TEST(GlobalDictionaryEntryToIndex) { TestEntryToIndex<GlobalDictionary>(); }
} // namespace
namespace {
template <typename Dictionary>
void TestNameDictionaryLookup() {
typedef CodeAssemblerLabel Label;
typedef CodeAssemblerVariable Variable;
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 4;
CodeAssemblerTester data(isolate, kNumParams);
CodeStubAssembler m(data.state());
enum Result { kFound, kNotFound };
{
Node* dictionary = m.Parameter(0);
Node* unique_name = m.Parameter(1);
Node* expected_result = m.Parameter(2);
Node* expected_arg = m.Parameter(3);
Label passed(&m), failed(&m);
Label if_found(&m), if_not_found(&m);
Variable var_name_index(&m, MachineType::PointerRepresentation());
m.NameDictionaryLookup<Dictionary>(dictionary, unique_name, &if_found,
&var_name_index, &if_not_found);
m.Bind(&if_found);
m.GotoUnless(
m.WordEqual(expected_result, m.SmiConstant(Smi::FromInt(kFound))),
&failed);
m.Branch(m.WordEqual(m.SmiUntag(expected_arg), var_name_index.value()),
&passed, &failed);
m.Bind(&if_not_found);
m.Branch(
m.WordEqual(expected_result, m.SmiConstant(Smi::FromInt(kNotFound))),
&passed, &failed);
m.Bind(&passed);
m.Return(m.BooleanConstant(true));
m.Bind(&failed);
m.Return(m.BooleanConstant(false));
}
Handle<Code> code = data.GenerateCode();
FunctionTester ft(code, kNumParams);
Handle<Object> expect_found(Smi::FromInt(kFound), isolate);
Handle<Object> expect_not_found(Smi::FromInt(kNotFound), isolate);
Handle<Dictionary> dictionary = Dictionary::New(isolate, 40);
PropertyDetails fake_details = PropertyDetails::Empty();
Factory* factory = isolate->factory();
Handle<Name> keys[] = {
factory->InternalizeUtf8String("0"),
factory->InternalizeUtf8String("42"),
factory->InternalizeUtf8String("-153"),
factory->InternalizeUtf8String("0.0"),
factory->InternalizeUtf8String("4.2"),
factory->InternalizeUtf8String(""),
factory->InternalizeUtf8String("name"),
factory->NewSymbol(),
factory->NewPrivateSymbol(),
};
for (size_t i = 0; i < arraysize(keys); i++) {
Handle<Object> value = factory->NewPropertyCell();
dictionary = Dictionary::Add(dictionary, keys[i], value, fake_details);
}
for (size_t i = 0; i < arraysize(keys); i++) {
int entry = dictionary->FindEntry(keys[i]);
int name_index =
Dictionary::EntryToIndex(entry) + Dictionary::kEntryKeyIndex;
CHECK_NE(Dictionary::kNotFound, entry);
Handle<Object> expected_name_index(Smi::FromInt(name_index), isolate);
ft.CheckTrue(dictionary, keys[i], expect_found, expected_name_index);
}
Handle<Name> non_existing_keys[] = {
factory->InternalizeUtf8String("1"),
factory->InternalizeUtf8String("-42"),
factory->InternalizeUtf8String("153"),
factory->InternalizeUtf8String("-1.0"),
factory->InternalizeUtf8String("1.3"),
factory->InternalizeUtf8String("a"),
factory->InternalizeUtf8String("boom"),
factory->NewSymbol(),
factory->NewPrivateSymbol(),
};
for (size_t i = 0; i < arraysize(non_existing_keys); i++) {
int entry = dictionary->FindEntry(non_existing_keys[i]);
CHECK_EQ(Dictionary::kNotFound, entry);
ft.CheckTrue(dictionary, non_existing_keys[i], expect_not_found);
}
}
} // namespace
TEST(NameDictionaryLookup) { TestNameDictionaryLookup<NameDictionary>(); }
TEST(GlobalDictionaryLookup) { TestNameDictionaryLookup<GlobalDictionary>(); }
namespace {
template <typename Dictionary>
void TestNumberDictionaryLookup() {
typedef CodeAssemblerLabel Label;
typedef CodeAssemblerVariable Variable;
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 4;
CodeAssemblerTester data(isolate, kNumParams);
CodeStubAssembler m(data.state());
enum Result { kFound, kNotFound };
{
Node* dictionary = m.Parameter(0);
Node* key = m.SmiUntag(m.Parameter(1));
Node* expected_result = m.Parameter(2);
Node* expected_arg = m.Parameter(3);
Label passed(&m), failed(&m);
Label if_found(&m), if_not_found(&m);
Variable var_entry(&m, MachineType::PointerRepresentation());
m.NumberDictionaryLookup<Dictionary>(dictionary, key, &if_found, &var_entry,
&if_not_found);
m.Bind(&if_found);
m.GotoUnless(
m.WordEqual(expected_result, m.SmiConstant(Smi::FromInt(kFound))),
&failed);
m.Branch(m.WordEqual(m.SmiUntag(expected_arg), var_entry.value()), &passed,
&failed);
m.Bind(&if_not_found);
m.Branch(
m.WordEqual(expected_result, m.SmiConstant(Smi::FromInt(kNotFound))),
&passed, &failed);
m.Bind(&passed);
m.Return(m.BooleanConstant(true));
m.Bind(&failed);
m.Return(m.BooleanConstant(false));
}
Handle<Code> code = data.GenerateCode();
FunctionTester ft(code, kNumParams);
Handle<Object> expect_found(Smi::FromInt(kFound), isolate);
Handle<Object> expect_not_found(Smi::FromInt(kNotFound), isolate);
const int kKeysCount = 1000;
Handle<Dictionary> dictionary = Dictionary::New(isolate, kKeysCount);
uint32_t keys[kKeysCount];
Handle<Object> fake_value(Smi::FromInt(42), isolate);
PropertyDetails fake_details = PropertyDetails::Empty();
base::RandomNumberGenerator rand_gen(FLAG_random_seed);
for (int i = 0; i < kKeysCount; i++) {
int random_key = rand_gen.NextInt(Smi::kMaxValue);
keys[i] = static_cast<uint32_t>(random_key);
if (dictionary->FindEntry(keys[i]) != Dictionary::kNotFound) continue;
dictionary = Dictionary::Add(dictionary, keys[i], fake_value, fake_details);
}
// Now try querying existing keys.
for (int i = 0; i < kKeysCount; i++) {
int entry = dictionary->FindEntry(keys[i]);
CHECK_NE(Dictionary::kNotFound, entry);
Handle<Object> key(Smi::FromInt(keys[i]), isolate);
Handle<Object> expected_entry(Smi::FromInt(entry), isolate);
ft.CheckTrue(dictionary, key, expect_found, expected_entry);
}
// Now try querying random keys which do not exist in the dictionary.
for (int i = 0; i < kKeysCount;) {
int random_key = rand_gen.NextInt(Smi::kMaxValue);
int entry = dictionary->FindEntry(random_key);
if (entry != Dictionary::kNotFound) continue;
i++;
Handle<Object> key(Smi::FromInt(random_key), isolate);
ft.CheckTrue(dictionary, key, expect_not_found);
}
}
} // namespace
TEST(SeededNumberDictionaryLookup) {
TestNumberDictionaryLookup<SeededNumberDictionary>();
}
TEST(UnseededNumberDictionaryLookup) {
TestNumberDictionaryLookup<UnseededNumberDictionary>();
}
namespace {
void AddProperties(Handle<JSObject> object, Handle<Name> names[],
size_t count) {
Isolate* isolate = object->GetIsolate();
for (size_t i = 0; i < count; i++) {
Handle<Object> value(Smi::FromInt(static_cast<int>(42 + i)), isolate);
JSObject::AddProperty(object, names[i], value, NONE);
}
}
Handle<AccessorPair> CreateAccessorPair(FunctionTester* ft,
const char* getter_body,
const char* setter_body) {
Handle<AccessorPair> pair = ft->isolate->factory()->NewAccessorPair();
if (getter_body) {
pair->set_getter(*ft->NewFunction(getter_body));
}
if (setter_body) {
pair->set_setter(*ft->NewFunction(setter_body));
}
return pair;
}
void AddProperties(Handle<JSObject> object, Handle<Name> names[],
size_t names_count, Handle<Object> values[],
size_t values_count, int seed = 0) {
Isolate* isolate = object->GetIsolate();
for (size_t i = 0; i < names_count; i++) {
Handle<Object> value = values[(seed + i) % values_count];
if (value->IsAccessorPair()) {
Handle<AccessorPair> pair = Handle<AccessorPair>::cast(value);
Handle<Object> getter(pair->getter(), isolate);
Handle<Object> setter(pair->setter(), isolate);
JSObject::DefineAccessor(object, names[i], getter, setter, NONE).Check();
} else {
JSObject::AddProperty(object, names[i], value, NONE);
}
}
}
} // namespace
TEST(TryHasOwnProperty) {
typedef CodeAssemblerLabel Label;
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 4;
CodeAssemblerTester data(isolate, kNumParams);
CodeStubAssembler m(data.state());
enum Result { kFound, kNotFound, kBailout };
{
Node* object = m.Parameter(0);
Node* unique_name = m.Parameter(1);
Node* expected_result = m.Parameter(2);
Label passed(&m), failed(&m);
Label if_found(&m), if_not_found(&m), if_bailout(&m);
Node* map = m.LoadMap(object);
Node* instance_type = m.LoadMapInstanceType(map);
m.TryHasOwnProperty(object, map, instance_type, unique_name, &if_found,
&if_not_found, &if_bailout);
m.Bind(&if_found);
m.Branch(m.WordEqual(expected_result, m.SmiConstant(Smi::FromInt(kFound))),
&passed, &failed);
m.Bind(&if_not_found);
m.Branch(
m.WordEqual(expected_result, m.SmiConstant(Smi::FromInt(kNotFound))),
&passed, &failed);
m.Bind(&if_bailout);
m.Branch(
m.WordEqual(expected_result, m.SmiConstant(Smi::FromInt(kBailout))),
&passed, &failed);
m.Bind(&passed);
m.Return(m.BooleanConstant(true));
m.Bind(&failed);
m.Return(m.BooleanConstant(false));
}
Handle<Code> code = data.GenerateCode();
FunctionTester ft(code, kNumParams);
Handle<Object> expect_found(Smi::FromInt(kFound), isolate);
Handle<Object> expect_not_found(Smi::FromInt(kNotFound), isolate);
Handle<Object> expect_bailout(Smi::FromInt(kBailout), isolate);
Factory* factory = isolate->factory();
Handle<Name> deleted_property_name =
factory->InternalizeUtf8String("deleted");
Handle<Name> names[] = {
factory->InternalizeUtf8String("a"),
factory->InternalizeUtf8String("bb"),
factory->InternalizeUtf8String("ccc"),
factory->InternalizeUtf8String("dddd"),
factory->InternalizeUtf8String("eeeee"),
factory->InternalizeUtf8String(""),
factory->InternalizeUtf8String("name"),
factory->NewSymbol(),
factory->NewPrivateSymbol(),
};
std::vector<Handle<JSObject>> objects;
{
// Fast object, no inobject properties.
int inobject_properties = 0;
Handle<Map> map = Map::Create(isolate, inobject_properties);
Handle<JSObject> object = factory->NewJSObjectFromMap(map);
AddProperties(object, names, arraysize(names));
CHECK_EQ(JS_OBJECT_TYPE, object->map()->instance_type());
CHECK_EQ(inobject_properties, object->map()->GetInObjectProperties());
CHECK(!object->map()->is_dictionary_map());
objects.push_back(object);
}
{
// Fast object, all inobject properties.
int inobject_properties = arraysize(names) * 2;
Handle<Map> map = Map::Create(isolate, inobject_properties);
Handle<JSObject> object = factory->NewJSObjectFromMap(map);
AddProperties(object, names, arraysize(names));
CHECK_EQ(JS_OBJECT_TYPE, object->map()->instance_type());
CHECK_EQ(inobject_properties, object->map()->GetInObjectProperties());
CHECK(!object->map()->is_dictionary_map());
objects.push_back(object);
}
{
// Fast object, half inobject properties.
int inobject_properties = arraysize(names) / 2;
Handle<Map> map = Map::Create(isolate, inobject_properties);
Handle<JSObject> object = factory->NewJSObjectFromMap(map);
AddProperties(object, names, arraysize(names));
CHECK_EQ(JS_OBJECT_TYPE, object->map()->instance_type());
CHECK_EQ(inobject_properties, object->map()->GetInObjectProperties());
CHECK(!object->map()->is_dictionary_map());
objects.push_back(object);
}
{
// Dictionary mode object.
Handle<JSFunction> function = factory->NewFunction(factory->empty_string());
Handle<JSObject> object = factory->NewJSObject(function);
AddProperties(object, names, arraysize(names));
JSObject::NormalizeProperties(object, CLEAR_INOBJECT_PROPERTIES, 0, "test");
JSObject::AddProperty(object, deleted_property_name, object, NONE);
CHECK(JSObject::DeleteProperty(object, deleted_property_name, SLOPPY)
.FromJust());
CHECK_EQ(JS_OBJECT_TYPE, object->map()->instance_type());
CHECK(object->map()->is_dictionary_map());
objects.push_back(object);
}
{
// Global object.
Handle<JSFunction> function = factory->NewFunction(factory->empty_string());
JSFunction::EnsureHasInitialMap(function);
function->initial_map()->set_instance_type(JS_GLOBAL_OBJECT_TYPE);
function->initial_map()->set_is_prototype_map(true);
function->initial_map()->set_dictionary_map(true);
Handle<JSObject> object = factory->NewJSGlobalObject(function);
AddProperties(object, names, arraysize(names));
JSObject::AddProperty(object, deleted_property_name, object, NONE);
CHECK(JSObject::DeleteProperty(object, deleted_property_name, SLOPPY)
.FromJust());
CHECK_EQ(JS_GLOBAL_OBJECT_TYPE, object->map()->instance_type());
CHECK(object->map()->is_dictionary_map());
objects.push_back(object);
}
{
for (Handle<JSObject> object : objects) {
for (size_t name_index = 0; name_index < arraysize(names); name_index++) {
Handle<Name> name = names[name_index];
CHECK(JSReceiver::HasProperty(object, name).FromJust());
ft.CheckTrue(object, name, expect_found);
}
}
}
{
Handle<Name> non_existing_names[] = {
factory->NewSymbol(),
factory->InternalizeUtf8String("ne_a"),
factory->InternalizeUtf8String("ne_bb"),
factory->NewPrivateSymbol(),
factory->InternalizeUtf8String("ne_ccc"),
factory->InternalizeUtf8String("ne_dddd"),
deleted_property_name,
};
for (Handle<JSObject> object : objects) {
for (size_t key_index = 0; key_index < arraysize(non_existing_names);
key_index++) {
Handle<Name> name = non_existing_names[key_index];
CHECK(!JSReceiver::HasProperty(object, name).FromJust());
ft.CheckTrue(object, name, expect_not_found);
}
}
}
{
Handle<JSFunction> function = factory->NewFunction(factory->empty_string());
Handle<JSProxy> object = factory->NewJSProxy(function, objects[0]);
CHECK_EQ(JS_PROXY_TYPE, object->map()->instance_type());
ft.CheckTrue(object, names[0], expect_bailout);
}
{
Handle<JSObject> object = isolate->global_proxy();
CHECK_EQ(JS_GLOBAL_PROXY_TYPE, object->map()->instance_type());
ft.CheckTrue(object, names[0], expect_bailout);
}
}
TEST(TryGetOwnProperty) {
typedef CodeAssemblerLabel Label;
typedef CodeAssemblerVariable Variable;
Isolate* isolate(CcTest::InitIsolateOnce());
Factory* factory = isolate->factory();
const int kNumParams = 2;
CodeAssemblerTester data(isolate, kNumParams);
CodeStubAssembler m(data.state());
Handle<Symbol> not_found_symbol = factory->NewSymbol();
Handle<Symbol> bailout_symbol = factory->NewSymbol();
{
Node* object = m.Parameter(0);
Node* unique_name = m.Parameter(1);
Node* context = m.Parameter(kNumParams + 2);
Variable var_value(&m, MachineRepresentation::kTagged);
Label if_found(&m), if_not_found(&m), if_bailout(&m);
Node* map = m.LoadMap(object);
Node* instance_type = m.LoadMapInstanceType(map);
m.TryGetOwnProperty(context, object, object, map, instance_type,
unique_name, &if_found, &var_value, &if_not_found,
&if_bailout);
m.Bind(&if_found);
m.Return(var_value.value());
m.Bind(&if_not_found);
m.Return(m.HeapConstant(not_found_symbol));
m.Bind(&if_bailout);
m.Return(m.HeapConstant(bailout_symbol));
}
Handle<Code> code = data.GenerateCode();
FunctionTester ft(code, kNumParams);
Handle<Name> deleted_property_name =
factory->InternalizeUtf8String("deleted");
Handle<Name> names[] = {
factory->InternalizeUtf8String("bb"),
factory->NewSymbol(),
factory->InternalizeUtf8String("a"),
factory->InternalizeUtf8String("ccc"),
factory->InternalizeUtf8String("esajefe"),
factory->NewPrivateSymbol(),
factory->InternalizeUtf8String("eeeee"),
factory->InternalizeUtf8String("p1"),
factory->InternalizeUtf8String("acshw23e"),
factory->InternalizeUtf8String(""),
factory->InternalizeUtf8String("dddd"),
factory->NewPrivateSymbol(),
factory->InternalizeUtf8String("name"),
factory->InternalizeUtf8String("p2"),
factory->InternalizeUtf8String("p3"),
factory->InternalizeUtf8String("p4"),
factory->NewPrivateSymbol(),
};
Handle<Object> values[] = {
factory->NewFunction(factory->empty_string()),
factory->NewSymbol(),
factory->InternalizeUtf8String("a"),
CreateAccessorPair(&ft, "() => 188;", "() => 199;"),
factory->NewFunction(factory->InternalizeUtf8String("bb")),
factory->InternalizeUtf8String("ccc"),
CreateAccessorPair(&ft, "() => 88;", nullptr),
handle(Smi::FromInt(1), isolate),
factory->InternalizeUtf8String(""),
CreateAccessorPair(&ft, nullptr, "() => 99;"),
factory->NewHeapNumber(4.2),
handle(Smi::FromInt(153), isolate),
factory->NewJSObject(factory->NewFunction(factory->empty_string())),
factory->NewPrivateSymbol(),
};
STATIC_ASSERT(arraysize(values) < arraysize(names));
base::RandomNumberGenerator rand_gen(FLAG_random_seed);
std::vector<Handle<JSObject>> objects;
{
// Fast object, no inobject properties.
int inobject_properties = 0;
Handle<Map> map = Map::Create(isolate, inobject_properties);
Handle<JSObject> object = factory->NewJSObjectFromMap(map);
AddProperties(object, names, arraysize(names), values, arraysize(values),
rand_gen.NextInt());
CHECK_EQ(JS_OBJECT_TYPE, object->map()->instance_type());
CHECK_EQ(inobject_properties, object->map()->GetInObjectProperties());
CHECK(!object->map()->is_dictionary_map());
objects.push_back(object);
}
{
// Fast object, all inobject properties.
int inobject_properties = arraysize(names) * 2;
Handle<Map> map = Map::Create(isolate, inobject_properties);
Handle<JSObject> object = factory->NewJSObjectFromMap(map);
AddProperties(object, names, arraysize(names), values, arraysize(values),
rand_gen.NextInt());
CHECK_EQ(JS_OBJECT_TYPE, object->map()->instance_type());
CHECK_EQ(inobject_properties, object->map()->GetInObjectProperties());
CHECK(!object->map()->is_dictionary_map());
objects.push_back(object);
}
{
// Fast object, half inobject properties.
int inobject_properties = arraysize(names) / 2;
Handle<Map> map = Map::Create(isolate, inobject_properties);
Handle<JSObject> object = factory->NewJSObjectFromMap(map);
AddProperties(object, names, arraysize(names), values, arraysize(values),
rand_gen.NextInt());
CHECK_EQ(JS_OBJECT_TYPE, object->map()->instance_type());
CHECK_EQ(inobject_properties, object->map()->GetInObjectProperties());
CHECK(!object->map()->is_dictionary_map());
objects.push_back(object);
}
{
// Dictionary mode object.
Handle<JSFunction> function = factory->NewFunction(factory->empty_string());
Handle<JSObject> object = factory->NewJSObject(function);
AddProperties(object, names, arraysize(names), values, arraysize(values),
rand_gen.NextInt());
JSObject::NormalizeProperties(object, CLEAR_INOBJECT_PROPERTIES, 0, "test");
JSObject::AddProperty(object, deleted_property_name, object, NONE);
CHECK(JSObject::DeleteProperty(object, deleted_property_name, SLOPPY)
.FromJust());
CHECK_EQ(JS_OBJECT_TYPE, object->map()->instance_type());
CHECK(object->map()->is_dictionary_map());
objects.push_back(object);
}
{
// Global object.
Handle<JSGlobalObject> object = isolate->global_object();
AddProperties(object, names, arraysize(names), values, arraysize(values),
rand_gen.NextInt());
JSObject::AddProperty(object, deleted_property_name, object, NONE);
CHECK(JSObject::DeleteProperty(object, deleted_property_name, SLOPPY)
.FromJust());
CHECK_EQ(JS_GLOBAL_OBJECT_TYPE, object->map()->instance_type());
CHECK(object->map()->is_dictionary_map());
objects.push_back(object);
}
// TODO(ishell): test proxy and interceptors when they are supported.
{
for (Handle<JSObject> object : objects) {
for (size_t name_index = 0; name_index < arraysize(names); name_index++) {
Handle<Name> name = names[name_index];
Handle<Object> expected_value =
JSReceiver::GetProperty(object, name).ToHandleChecked();
Handle<Object> value = ft.Call(object, name).ToHandleChecked();
CHECK(expected_value->SameValue(*value));
}
}
}
{
Handle<Name> non_existing_names[] = {
factory->NewSymbol(),
factory->InternalizeUtf8String("ne_a"),
factory->InternalizeUtf8String("ne_bb"),
factory->NewPrivateSymbol(),
factory->InternalizeUtf8String("ne_ccc"),
factory->InternalizeUtf8String("ne_dddd"),
deleted_property_name,
};
for (Handle<JSObject> object : objects) {
for (size_t key_index = 0; key_index < arraysize(non_existing_names);
key_index++) {
Handle<Name> name = non_existing_names[key_index];
Handle<Object> expected_value =
JSReceiver::GetProperty(object, name).ToHandleChecked();
CHECK(expected_value->IsUndefined(isolate));
Handle<Object> value = ft.Call(object, name).ToHandleChecked();
CHECK_EQ(*not_found_symbol, *value);
}
}
}
{
Handle<JSFunction> function = factory->NewFunction(factory->empty_string());
Handle<JSProxy> object = factory->NewJSProxy(function, objects[0]);
CHECK_EQ(JS_PROXY_TYPE, object->map()->instance_type());
Handle<Object> value = ft.Call(object, names[0]).ToHandleChecked();
// Proxies are not supported yet.
CHECK_EQ(*bailout_symbol, *value);
}
{
Handle<JSObject> object = isolate->global_proxy();
CHECK_EQ(JS_GLOBAL_PROXY_TYPE, object->map()->instance_type());
// Global proxies are not supported yet.
Handle<Object> value = ft.Call(object, names[0]).ToHandleChecked();
CHECK_EQ(*bailout_symbol, *value);
}
}
namespace {
void AddElement(Handle<JSObject> object, uint32_t index, Handle<Object> value,
PropertyAttributes attributes = NONE) {
JSObject::AddDataElement(object, index, value, attributes).ToHandleChecked();
}
} // namespace
TEST(TryLookupElement) {
typedef CodeAssemblerLabel Label;
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 3;
CodeAssemblerTester data(isolate, kNumParams);
CodeStubAssembler m(data.state());
enum Result { kFound, kNotFound, kBailout };
{
Node* object = m.Parameter(0);
Node* index = m.SmiUntag(m.Parameter(1));
Node* expected_result = m.Parameter(2);
Label passed(&m), failed(&m);
Label if_found(&m), if_not_found(&m), if_bailout(&m);
Node* map = m.LoadMap(object);
Node* instance_type = m.LoadMapInstanceType(map);
m.TryLookupElement(object, map, instance_type, index, &if_found,
&if_not_found, &if_bailout);
m.Bind(&if_found);
m.Branch(m.WordEqual(expected_result, m.SmiConstant(Smi::FromInt(kFound))),
&passed, &failed);
m.Bind(&if_not_found);
m.Branch(
m.WordEqual(expected_result, m.SmiConstant(Smi::FromInt(kNotFound))),
&passed, &failed);
m.Bind(&if_bailout);
m.Branch(
m.WordEqual(expected_result, m.SmiConstant(Smi::FromInt(kBailout))),
&passed, &failed);
m.Bind(&passed);
m.Return(m.BooleanConstant(true));
m.Bind(&failed);
m.Return(m.BooleanConstant(false));
}
Handle<Code> code = data.GenerateCode();
FunctionTester ft(code, kNumParams);
Factory* factory = isolate->factory();
Handle<Object> smi0(Smi::kZero, isolate);
Handle<Object> smi1(Smi::FromInt(1), isolate);
Handle<Object> smi7(Smi::FromInt(7), isolate);
Handle<Object> smi13(Smi::FromInt(13), isolate);
Handle<Object> smi42(Smi::FromInt(42), isolate);
Handle<Object> expect_found(Smi::FromInt(kFound), isolate);
Handle<Object> expect_not_found(Smi::FromInt(kNotFound), isolate);
Handle<Object> expect_bailout(Smi::FromInt(kBailout), isolate);
#define CHECK_FOUND(object, index) \
CHECK(JSReceiver::HasElement(object, index).FromJust()); \
ft.CheckTrue(object, smi##index, expect_found);
#define CHECK_NOT_FOUND(object, index) \
CHECK(!JSReceiver::HasElement(object, index).FromJust()); \
ft.CheckTrue(object, smi##index, expect_not_found);
{
Handle<JSArray> object = factory->NewJSArray(0, FAST_SMI_ELEMENTS);
AddElement(object, 0, smi0);
AddElement(object, 1, smi0);
CHECK_EQ(FAST_SMI_ELEMENTS, object->map()->elements_kind());
CHECK_FOUND(object, 0);
CHECK_FOUND(object, 1);
CHECK_NOT_FOUND(object, 7);
CHECK_NOT_FOUND(object, 13);
CHECK_NOT_FOUND(object, 42);
}
{
Handle<JSArray> object = factory->NewJSArray(0, FAST_HOLEY_SMI_ELEMENTS);
AddElement(object, 0, smi0);
AddElement(object, 13, smi0);
CHECK_EQ(FAST_HOLEY_SMI_ELEMENTS, object->map()->elements_kind());
CHECK_FOUND(object, 0);
CHECK_NOT_FOUND(object, 1);
CHECK_NOT_FOUND(object, 7);
CHECK_FOUND(object, 13);
CHECK_NOT_FOUND(object, 42);
}
{
Handle<JSArray> object = factory->NewJSArray(0, FAST_ELEMENTS);
AddElement(object, 0, smi0);
AddElement(object, 1, smi0);
CHECK_EQ(FAST_ELEMENTS, object->map()->elements_kind());
CHECK_FOUND(object, 0);
CHECK_FOUND(object, 1);
CHECK_NOT_FOUND(object, 7);
CHECK_NOT_FOUND(object, 13);
CHECK_NOT_FOUND(object, 42);
}
{
Handle<JSArray> object = factory->NewJSArray(0, FAST_HOLEY_ELEMENTS);
AddElement(object, 0, smi0);
AddElement(object, 13, smi0);
CHECK_EQ(FAST_HOLEY_ELEMENTS, object->map()->elements_kind());
CHECK_FOUND(object, 0);
CHECK_NOT_FOUND(object, 1);
CHECK_NOT_FOUND(object, 7);
CHECK_FOUND(object, 13);
CHECK_NOT_FOUND(object, 42);
}
{
Handle<JSFunction> constructor = isolate->string_function();
Handle<JSObject> object = factory->NewJSObject(constructor);
Handle<String> str = factory->InternalizeUtf8String("ab");
Handle<JSValue>::cast(object)->set_value(*str);
AddElement(object, 13, smi0);
CHECK_EQ(FAST_STRING_WRAPPER_ELEMENTS, object->map()->elements_kind());
CHECK_FOUND(object, 0);
CHECK_FOUND(object, 1);
CHECK_NOT_FOUND(object, 7);
CHECK_FOUND(object, 13);
CHECK_NOT_FOUND(object, 42);
}
{
Handle<JSFunction> constructor = isolate->string_function();
Handle<JSObject> object = factory->NewJSObject(constructor);
Handle<String> str = factory->InternalizeUtf8String("ab");
Handle<JSValue>::cast(object)->set_value(*str);
AddElement(object, 13, smi0);
JSObject::NormalizeElements(object);
CHECK_EQ(SLOW_STRING_WRAPPER_ELEMENTS, object->map()->elements_kind());
CHECK_FOUND(object, 0);
CHECK_FOUND(object, 1);
CHECK_NOT_FOUND(object, 7);
CHECK_FOUND(object, 13);
CHECK_NOT_FOUND(object, 42);
}
// TODO(ishell): uncomment once NO_ELEMENTS kind is supported.
// {
// Handle<Map> map = Map::Create(isolate, 0);
// map->set_elements_kind(NO_ELEMENTS);
// Handle<JSObject> object = factory->NewJSObjectFromMap(map);
// CHECK_EQ(NO_ELEMENTS, object->map()->elements_kind());
//
// CHECK_NOT_FOUND(object, 0);
// CHECK_NOT_FOUND(object, 1);
// CHECK_NOT_FOUND(object, 7);
// CHECK_NOT_FOUND(object, 13);
// CHECK_NOT_FOUND(object, 42);
// }
#undef CHECK_FOUND
#undef CHECK_NOT_FOUND
{
Handle<JSArray> handler = factory->NewJSArray(0);
Handle<JSFunction> function = factory->NewFunction(factory->empty_string());
Handle<JSProxy> object = factory->NewJSProxy(function, handler);
CHECK_EQ(JS_PROXY_TYPE, object->map()->instance_type());
ft.CheckTrue(object, smi0, expect_bailout);
}
{
Handle<JSObject> object = isolate->global_object();
CHECK_EQ(JS_GLOBAL_OBJECT_TYPE, object->map()->instance_type());
ft.CheckTrue(object, smi0, expect_bailout);
}
{
Handle<JSObject> object = isolate->global_proxy();
CHECK_EQ(JS_GLOBAL_PROXY_TYPE, object->map()->instance_type());
ft.CheckTrue(object, smi0, expect_bailout);
}
}
TEST(AllocateJSObjectFromMap) {
Isolate* isolate(CcTest::InitIsolateOnce());
Factory* factory = isolate->factory();
const int kNumParams = 3;
CodeAssemblerTester data(isolate, kNumParams);
CodeStubAssembler m(data.state());
{
Node* map = m.Parameter(0);
Node* properties = m.Parameter(1);
Node* elements = m.Parameter(2);
Node* result = m.AllocateJSObjectFromMap(map, properties, elements);
m.Return(result);
}
Handle<Code> code = data.GenerateCode();
FunctionTester ft(code, kNumParams);
Handle<Map> maps[] = {
handle(isolate->object_function()->initial_map(), isolate),
handle(isolate->array_function()->initial_map(), isolate),
};
#define VERIFY(result, map_value, properties_value, elements_value) \
CHECK_EQ(result->map(), map_value); \
CHECK_EQ(result->properties(), properties_value); \
CHECK_EQ(result->elements(), elements_value);
{
Handle<Object> empty_fixed_array = factory->empty_fixed_array();
for (size_t i = 0; i < arraysize(maps); i++) {
Handle<Map> map = maps[i];
Handle<JSObject> result = Handle<JSObject>::cast(
ft.Call(map, empty_fixed_array, empty_fixed_array).ToHandleChecked());
VERIFY(result, *map, *empty_fixed_array, *empty_fixed_array);
CHECK(result->HasFastProperties());
#ifdef VERIFY_HEAP
isolate->heap()->Verify();
#endif
}
}
{
// TODO(cbruni): handle in-object properties
Handle<JSObject> object = Handle<JSObject>::cast(
v8::Utils::OpenHandle(*CompileRun("var object = {a:1,b:2, 1:1, 2:2}; "
"object")));
JSObject::NormalizeProperties(object, KEEP_INOBJECT_PROPERTIES, 0,
"Normalize");
Handle<JSObject> result = Handle<JSObject>::cast(
ft.Call(handle(object->map()), handle(object->properties()),
handle(object->elements()))
.ToHandleChecked());
VERIFY(result, object->map(), object->properties(), object->elements());
CHECK(!result->HasFastProperties());
#ifdef VERIFY_HEAP
isolate->heap()->Verify();
#endif
}
#undef VERIFY
}
TEST(AllocateNameDictionary) {
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 1;
CodeAssemblerTester data(isolate, kNumParams);
CodeStubAssembler m(data.state());
{
Node* capacity = m.Parameter(0);
Node* result = m.AllocateNameDictionary(m.SmiUntag(capacity));
m.Return(result);
}
Handle<Code> code = data.GenerateCode();
FunctionTester ft(code, kNumParams);
{
for (int i = 0; i < 256; i = i * 1.1 + 1) {
Handle<Object> result =
ft.Call(handle(Smi::FromInt(i), isolate)).ToHandleChecked();
Handle<NameDictionary> dict = NameDictionary::New(isolate, i);
// Both dictionaries should be memory equal.
int size =
FixedArrayBase::kHeaderSize + (dict->length() - 1) * kPointerSize;
CHECK_EQ(0, memcmp(*dict, *result, size));
}
}
}
TEST(PopAndReturnConstant) {
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 4;
const int kNumProgrammaticParams = 2;
CodeAssemblerTester data(isolate, kNumParams - kNumProgrammaticParams);
CodeStubAssembler m(data.state());
// Call a function that return |kNumProgramaticParams| parameters in addition
// to those specified by the static descriptor. |kNumProgramaticParams| is
// specified as a constant.
m.PopAndReturn(m.Int32Constant(kNumProgrammaticParams),
m.SmiConstant(Smi::FromInt(1234)));
Handle<Code> code = data.GenerateCode();
CHECK(!code.is_null());
FunctionTester ft(code, kNumParams);
Handle<Object> result;
for (int test_count = 0; test_count < 100; ++test_count) {
result = ft.Call(isolate->factory()->undefined_value(),
Handle<Smi>(Smi::FromInt(1234), isolate),
isolate->factory()->undefined_value(),
isolate->factory()->undefined_value())
.ToHandleChecked();
CHECK_EQ(1234, Handle<Smi>::cast(result)->value());
}
}
TEST(PopAndReturnVariable) {
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 4;
const int kNumProgrammaticParams = 2;
CodeAssemblerTester data(isolate, kNumParams - kNumProgrammaticParams);
CodeStubAssembler m(data.state());
// Call a function that return |kNumProgramaticParams| parameters in addition
// to those specified by the static descriptor. |kNumProgramaticParams| is
// passed in as a parameter to the function so that it can't be recongized as
// a constant.
m.PopAndReturn(m.SmiUntag(m.Parameter(1)), m.SmiConstant(Smi::FromInt(1234)));
Handle<Code> code = data.GenerateCode();
CHECK(!code.is_null());
FunctionTester ft(code, kNumParams);
Handle<Object> result;
for (int test_count = 0; test_count < 100; ++test_count) {
result = ft.Call(isolate->factory()->undefined_value(),
Handle<Smi>(Smi::FromInt(1234), isolate),
isolate->factory()->undefined_value(),
Handle<Smi>(Smi::FromInt(kNumProgrammaticParams), isolate))
.ToHandleChecked();
CHECK_EQ(1234, Handle<Smi>::cast(result)->value());
}
}
TEST(OneToTwoByteStringCopy) {
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 2;
CodeAssemblerTester data(isolate, kNumParams);
CodeStubAssembler m(data.state());
m.CopyStringCharacters(
m.Parameter(0), m.Parameter(1), m.SmiConstant(Smi::FromInt(0)),
m.SmiConstant(Smi::FromInt(0)), m.SmiConstant(Smi::FromInt(5)),
String::ONE_BYTE_ENCODING, String::TWO_BYTE_ENCODING,
CodeStubAssembler::SMI_PARAMETERS);
m.Return(m.SmiConstant(Smi::FromInt(0)));
Handle<Code> code = data.GenerateCode();
CHECK(!code.is_null());
Handle<String> string1 = isolate->factory()->InternalizeUtf8String("abcde");
uc16 array[] = {1000, 1001, 1002, 1003, 1004};
Vector<const uc16> str(array);
Handle<String> string2 =
isolate->factory()->NewStringFromTwoByte(str).ToHandleChecked();
FunctionTester ft(code, 2);
ft.Call(string1, string2);
CHECK_EQ(Handle<SeqOneByteString>::cast(string1)->GetChars()[0],
Handle<SeqTwoByteString>::cast(string2)->GetChars()[0]);
CHECK_EQ(Handle<SeqOneByteString>::cast(string1)->GetChars()[1],
Handle<SeqTwoByteString>::cast(string2)->GetChars()[1]);
CHECK_EQ(Handle<SeqOneByteString>::cast(string1)->GetChars()[2],
Handle<SeqTwoByteString>::cast(string2)->GetChars()[2]);
CHECK_EQ(Handle<SeqOneByteString>::cast(string1)->GetChars()[3],
Handle<SeqTwoByteString>::cast(string2)->GetChars()[3]);
CHECK_EQ(Handle<SeqOneByteString>::cast(string1)->GetChars()[4],
Handle<SeqTwoByteString>::cast(string2)->GetChars()[4]);
}
TEST(OneToOneByteStringCopy) {
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 2;
CodeAssemblerTester data(isolate, kNumParams);
CodeStubAssembler m(data.state());
m.CopyStringCharacters(
m.Parameter(0), m.Parameter(1), m.SmiConstant(Smi::FromInt(0)),
m.SmiConstant(Smi::FromInt(0)), m.SmiConstant(Smi::FromInt(5)),
String::ONE_BYTE_ENCODING, String::ONE_BYTE_ENCODING,
CodeStubAssembler::SMI_PARAMETERS);
m.Return(m.SmiConstant(Smi::FromInt(0)));
Handle<Code> code = data.GenerateCode();
CHECK(!code.is_null());
Handle<String> string1 = isolate->factory()->InternalizeUtf8String("abcde");
uint8_t array[] = {100, 101, 102, 103, 104};
Vector<const uint8_t> str(array);
Handle<String> string2 =
isolate->factory()->NewStringFromOneByte(str).ToHandleChecked();
FunctionTester ft(code, 2);
ft.Call(string1, string2);
CHECK_EQ(Handle<SeqOneByteString>::cast(string1)->GetChars()[0],
Handle<SeqOneByteString>::cast(string2)->GetChars()[0]);
CHECK_EQ(Handle<SeqOneByteString>::cast(string1)->GetChars()[1],
Handle<SeqOneByteString>::cast(string2)->GetChars()[1]);
CHECK_EQ(Handle<SeqOneByteString>::cast(string1)->GetChars()[2],
Handle<SeqOneByteString>::cast(string2)->GetChars()[2]);
CHECK_EQ(Handle<SeqOneByteString>::cast(string1)->GetChars()[3],
Handle<SeqOneByteString>::cast(string2)->GetChars()[3]);
CHECK_EQ(Handle<SeqOneByteString>::cast(string1)->GetChars()[4],
Handle<SeqOneByteString>::cast(string2)->GetChars()[4]);
}
TEST(OneToOneByteStringCopyNonZeroStart) {
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 2;
CodeAssemblerTester data(isolate, kNumParams);
CodeStubAssembler m(data.state());
m.CopyStringCharacters(
m.Parameter(0), m.Parameter(1), m.SmiConstant(Smi::FromInt(0)),
m.SmiConstant(Smi::FromInt(3)), m.SmiConstant(Smi::FromInt(2)),
String::ONE_BYTE_ENCODING, String::ONE_BYTE_ENCODING,
CodeStubAssembler::SMI_PARAMETERS);
m.Return(m.SmiConstant(Smi::FromInt(0)));
Handle<Code> code = data.GenerateCode();
CHECK(!code.is_null());
Handle<String> string1 = isolate->factory()->InternalizeUtf8String("abcde");
uint8_t array[] = {100, 101, 102, 103, 104};
Vector<const uint8_t> str(array);
Handle<String> string2 =
isolate->factory()->NewStringFromOneByte(str).ToHandleChecked();
FunctionTester ft(code, 2);
ft.Call(string1, string2);
CHECK_EQ(Handle<SeqOneByteString>::cast(string1)->GetChars()[0],
Handle<SeqOneByteString>::cast(string2)->GetChars()[3]);
CHECK_EQ(Handle<SeqOneByteString>::cast(string1)->GetChars()[1],
Handle<SeqOneByteString>::cast(string2)->GetChars()[4]);
CHECK_EQ(100, Handle<SeqOneByteString>::cast(string2)->GetChars()[0]);
CHECK_EQ(101, Handle<SeqOneByteString>::cast(string2)->GetChars()[1]);
CHECK_EQ(102, Handle<SeqOneByteString>::cast(string2)->GetChars()[2]);
}
TEST(TwoToTwoByteStringCopy) {
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 2;
CodeAssemblerTester data(isolate, kNumParams);
CodeStubAssembler m(data.state());
m.CopyStringCharacters(
m.Parameter(0), m.Parameter(1), m.SmiConstant(Smi::FromInt(0)),
m.SmiConstant(Smi::FromInt(0)), m.SmiConstant(Smi::FromInt(5)),
String::TWO_BYTE_ENCODING, String::TWO_BYTE_ENCODING,
CodeStubAssembler::SMI_PARAMETERS);
m.Return(m.SmiConstant(Smi::FromInt(0)));
Handle<Code> code = data.GenerateCode();
CHECK(!code.is_null());
uc16 array1[] = {2000, 2001, 2002, 2003, 2004};
Vector<const uc16> str1(array1);
Handle<String> string1 =
isolate->factory()->NewStringFromTwoByte(str1).ToHandleChecked();
uc16 array2[] = {1000, 1001, 1002, 1003, 1004};
Vector<const uc16> str2(array2);
Handle<String> string2 =
isolate->factory()->NewStringFromTwoByte(str2).ToHandleChecked();
FunctionTester ft(code, 2);
ft.Call(string1, string2);
CHECK_EQ(Handle<SeqTwoByteString>::cast(string1)->GetChars()[0],
Handle<SeqTwoByteString>::cast(string2)->GetChars()[0]);
CHECK_EQ(Handle<SeqTwoByteString>::cast(string1)->GetChars()[1],
Handle<SeqTwoByteString>::cast(string2)->GetChars()[1]);
CHECK_EQ(Handle<SeqTwoByteString>::cast(string1)->GetChars()[2],
Handle<SeqTwoByteString>::cast(string2)->GetChars()[2]);
CHECK_EQ(Handle<SeqTwoByteString>::cast(string1)->GetChars()[3],
Handle<SeqTwoByteString>::cast(string2)->GetChars()[3]);
CHECK_EQ(Handle<SeqTwoByteString>::cast(string1)->GetChars()[4],
Handle<SeqTwoByteString>::cast(string2)->GetChars()[4]);
}
TEST(Arguments) {
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 4;
CodeAssemblerTester data(isolate, kNumParams);
CodeStubAssembler m(data.state());
CodeStubArguments arguments(&m, m.Int32Constant(3));
CSA_ASSERT(
&m, m.WordEqual(arguments.AtIndex(0), m.SmiConstant(Smi::FromInt(12))));
CSA_ASSERT(
&m, m.WordEqual(arguments.AtIndex(1), m.SmiConstant(Smi::FromInt(13))));
CSA_ASSERT(
&m, m.WordEqual(arguments.AtIndex(2), m.SmiConstant(Smi::FromInt(14))));
m.Return(arguments.GetReceiver());
Handle<Code> code = data.GenerateCode();
CHECK(!code.is_null());
FunctionTester ft(code, kNumParams);
Handle<Object> result = ft.Call(isolate->factory()->undefined_value(),
Handle<Smi>(Smi::FromInt(12), isolate),
Handle<Smi>(Smi::FromInt(13), isolate),
Handle<Smi>(Smi::FromInt(14), isolate))
.ToHandleChecked();
CHECK_EQ(*isolate->factory()->undefined_value(), *result);
}
TEST(ArgumentsForEach) {
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 4;
CodeAssemblerTester data(isolate, kNumParams);
CodeStubAssembler m(data.state());
CodeStubArguments arguments(&m, m.Int32Constant(3));
CodeAssemblerVariable sum(&m, MachineRepresentation::kTagged);
CodeAssemblerVariableList list({&sum}, m.zone());
sum.Bind(m.SmiConstant(0));
arguments.ForEach(
list, [&m, &sum](Node* arg) { sum.Bind(m.SmiAdd(sum.value(), arg)); });
m.Return(sum.value());
Handle<Code> code = data.GenerateCode();
CHECK(!code.is_null());
FunctionTester ft(code, kNumParams);
Handle<Object> result = ft.Call(isolate->factory()->undefined_value(),
Handle<Smi>(Smi::FromInt(12), isolate),
Handle<Smi>(Smi::FromInt(13), isolate),
Handle<Smi>(Smi::FromInt(14), isolate))
.ToHandleChecked();
CHECK_EQ(Smi::FromInt(12 + 13 + 14), *result);
}
TEST(IsDebugActive) {
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 1;
CodeAssemblerTester data(isolate, kNumParams);
CodeStubAssembler m(data.state());
CodeAssemblerLabel if_active(&m), if_not_active(&m);
m.Branch(m.IsDebugActive(), &if_active, &if_not_active);
m.Bind(&if_active);
m.Return(m.TrueConstant());
m.Bind(&if_not_active);
m.Return(m.FalseConstant());
Handle<Code> code = data.GenerateCode();
CHECK(!code.is_null());
FunctionTester ft(code, kNumParams);
CHECK_EQ(false, isolate->debug()->is_active());
Handle<Object> result =
ft.Call(isolate->factory()->undefined_value()).ToHandleChecked();
CHECK_EQ(isolate->heap()->false_value(), *result);
bool* debug_is_active = reinterpret_cast<bool*>(
ExternalReference::debug_is_active_address(isolate).address());
// Cheat to enable debug (TODO: do this properly).
*debug_is_active = true;
result = ft.Call(isolate->factory()->undefined_value()).ToHandleChecked();
CHECK_EQ(isolate->heap()->true_value(), *result);
// Reset debug mode.
*debug_is_active = false;
}
class AppendJSArrayCodeStubAssembler : public CodeStubAssembler {
public:
AppendJSArrayCodeStubAssembler(compiler::CodeAssemblerState* state,
ElementsKind kind)
: CodeStubAssembler(state), kind_(kind) {}
void TestAppendJSArrayImpl(Isolate* isolate, CodeAssemblerTester* tester,
Object* o1, Object* o2, Object* o3, Object* o4,
int initial_size, int result_size) {
typedef CodeAssemblerVariable Variable;
typedef CodeAssemblerLabel Label;
Handle<JSArray> array = isolate->factory()->NewJSArray(
kind_, 2, initial_size, INITIALIZE_ARRAY_ELEMENTS_WITH_HOLE);
JSObject::SetElement(isolate, array, 0,
Handle<Smi>(Smi::FromInt(1), isolate), SLOPPY)
.Check();
JSObject::SetElement(isolate, array, 1,
Handle<Smi>(Smi::FromInt(2), isolate), SLOPPY)
.Check();
CodeStubArguments args(this, Int32Constant(kNumParams));
Variable arg_index(this, MachineType::PointerRepresentation());
Label bailout(this);
arg_index.Bind(IntPtrConstant(0));
Node* length = BuildAppendJSArray(
kind_, HeapConstant(Handle<HeapObject>(isolate->context(), isolate)),
HeapConstant(array), args, arg_index, &bailout);
Return(length);
Bind(&bailout);
Return(SmiTag(IntPtrAdd(arg_index.value(), IntPtrConstant(2))));
Handle<Code> code = tester->GenerateCode();
CHECK(!code.is_null());
FunctionTester ft(code, kNumParams);
Handle<Object> result =
ft.Call(Handle<Object>(o1, isolate), Handle<Object>(o2, isolate),
Handle<Object>(o3, isolate), Handle<Object>(o4, isolate))
.ToHandleChecked();
CHECK_EQ(kind_, array->GetElementsKind());
CHECK_EQ(result_size, Handle<Smi>::cast(result)->value());
CHECK_EQ(result_size, Smi::cast(array->length())->value());
Object* obj = *JSObject::GetElement(isolate, array, 2).ToHandleChecked();
CHECK_EQ(result_size < 3 ? isolate->heap()->undefined_value() : o1, obj);
obj = *JSObject::GetElement(isolate, array, 3).ToHandleChecked();
CHECK_EQ(result_size < 4 ? isolate->heap()->undefined_value() : o2, obj);
obj = *JSObject::GetElement(isolate, array, 4).ToHandleChecked();
CHECK_EQ(result_size < 5 ? isolate->heap()->undefined_value() : o3, obj);
obj = *JSObject::GetElement(isolate, array, 5).ToHandleChecked();
CHECK_EQ(result_size < 6 ? isolate->heap()->undefined_value() : o4, obj);
}
static void TestAppendJSArray(Isolate* isolate, ElementsKind kind, Object* o1,
Object* o2, Object* o3, Object* o4,
int initial_size, int result_size) {
CodeAssemblerTester data(isolate, kNumParams);
AppendJSArrayCodeStubAssembler m(data.state(), kind);
m.TestAppendJSArrayImpl(isolate, &data, o1, o2, o3, o4, initial_size,
result_size);
}
private:
static const int kNumParams = 4;
ElementsKind kind_;
};
TEST(BuildAppendJSArrayFastElement) {
Isolate* isolate(CcTest::InitIsolateOnce());
AppendJSArrayCodeStubAssembler::TestAppendJSArray(
isolate, FAST_ELEMENTS, Smi::FromInt(3), Smi::FromInt(4), Smi::FromInt(5),
Smi::FromInt(6), 6, 6);
}
TEST(BuildAppendJSArrayFastElementGrow) {
Isolate* isolate(CcTest::InitIsolateOnce());
AppendJSArrayCodeStubAssembler::TestAppendJSArray(
isolate, FAST_ELEMENTS, Smi::FromInt(3), Smi::FromInt(4), Smi::FromInt(5),
Smi::FromInt(6), 2, 6);
}
TEST(BuildAppendJSArrayFastSmiElement) {
Isolate* isolate(CcTest::InitIsolateOnce());
AppendJSArrayCodeStubAssembler::TestAppendJSArray(
isolate, FAST_SMI_ELEMENTS, Smi::FromInt(3), Smi::FromInt(4),
Smi::FromInt(5), Smi::FromInt(6), 6, 6);
}
TEST(BuildAppendJSArrayFastSmiElementGrow) {
Isolate* isolate(CcTest::InitIsolateOnce());
AppendJSArrayCodeStubAssembler::TestAppendJSArray(
isolate, FAST_SMI_ELEMENTS, Smi::FromInt(3), Smi::FromInt(4),
Smi::FromInt(5), Smi::FromInt(6), 2, 6);
}
TEST(BuildAppendJSArrayFastSmiElementObject) {
Isolate* isolate(CcTest::InitIsolateOnce());
AppendJSArrayCodeStubAssembler::TestAppendJSArray(
isolate, FAST_SMI_ELEMENTS, Smi::FromInt(3), Smi::FromInt(4),
isolate->heap()->undefined_value(), Smi::FromInt(6), 6, 4);
}
TEST(BuildAppendJSArrayFastSmiElementObjectGrow) {
Isolate* isolate(CcTest::InitIsolateOnce());
AppendJSArrayCodeStubAssembler::TestAppendJSArray(
isolate, FAST_SMI_ELEMENTS, Smi::FromInt(3), Smi::FromInt(4),
isolate->heap()->undefined_value(), Smi::FromInt(6), 2, 4);
}
TEST(BuildAppendJSArrayFastDoubleElements) {
Isolate* isolate(CcTest::InitIsolateOnce());
AppendJSArrayCodeStubAssembler::TestAppendJSArray(
isolate, FAST_DOUBLE_ELEMENTS, Smi::FromInt(3), Smi::FromInt(4),
Smi::FromInt(5), Smi::FromInt(6), 6, 6);
}
TEST(BuildAppendJSArrayFastDoubleElementsGrow) {
Isolate* isolate(CcTest::InitIsolateOnce());
AppendJSArrayCodeStubAssembler::TestAppendJSArray(
isolate, FAST_DOUBLE_ELEMENTS, Smi::FromInt(3), Smi::FromInt(4),
Smi::FromInt(5), Smi::FromInt(6), 2, 6);
}
TEST(BuildAppendJSArrayFastDoubleElementsObject) {
Isolate* isolate(CcTest::InitIsolateOnce());
AppendJSArrayCodeStubAssembler::TestAppendJSArray(
isolate, FAST_DOUBLE_ELEMENTS, Smi::FromInt(3), Smi::FromInt(4),
isolate->heap()->undefined_value(), Smi::FromInt(6), 6, 4);
}
namespace {
template <typename Stub, typename... Args>
void Recompile(Args... args) {
Stub stub(args...);
stub.DeleteStubFromCacheForTesting();
stub.GetCode();
}
} // namespace
void CustomPromiseHook(v8::PromiseHookType type, v8::Local<v8::Promise> promise,
v8::Local<v8::Value> parentPromise) {}
TEST(IsPromiseHookEnabled) {
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 1;
CodeAssemblerTester data(isolate, kNumParams);
CodeStubAssembler m(data.state());
m.Return(m.SelectBooleanConstant(m.IsPromiseHookEnabled()));
Handle<Code> code = data.GenerateCode();
CHECK(!code.is_null());
FunctionTester ft(code, kNumParams);
Handle<Object> result =
ft.Call(isolate->factory()->undefined_value()).ToHandleChecked();
CHECK_EQ(isolate->heap()->false_value(), *result);
isolate->SetPromiseHook(CustomPromiseHook);
result = ft.Call(isolate->factory()->undefined_value()).ToHandleChecked();
CHECK_EQ(isolate->heap()->true_value(), *result);
isolate->SetPromiseHook(nullptr);
result = ft.Call(isolate->factory()->undefined_value()).ToHandleChecked();
CHECK_EQ(isolate->heap()->false_value(), *result);
}
TEST(AllocateAndInitJSPromise) {
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 1;
CodeAssemblerTester data(isolate, kNumParams);
PromiseBuiltinsAssembler m(data.state());
Node* const context = m.Parameter(kNumParams + 2);
Node* const promise = m.AllocateAndInitJSPromise(context);
m.Return(promise);
Handle<Code> code = data.GenerateCode();
CHECK(!code.is_null());
FunctionTester ft(code, kNumParams);
Handle<Object> result =
ft.Call(isolate->factory()->undefined_value()).ToHandleChecked();
CHECK(result->IsJSPromise());
}
TEST(AllocateAndSetJSPromise) {
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 1;
CodeAssemblerTester data(isolate, kNumParams);
PromiseBuiltinsAssembler m(data.state());
Node* const context = m.Parameter(kNumParams + 2);
Node* const promise = m.AllocateAndSetJSPromise(
context, m.SmiConstant(v8::Promise::kPending), m.SmiConstant(1));
m.Return(promise);
Handle<Code> code = data.GenerateCode();
CHECK(!code.is_null());
FunctionTester ft(code, kNumParams);
Handle<Object> result =
ft.Call(isolate->factory()->undefined_value()).ToHandleChecked();
CHECK(result->IsJSPromise());
Handle<JSPromise> js_promise = Handle<JSPromise>::cast(result);
CHECK_EQ(v8::Promise::kPending, js_promise->status());
CHECK_EQ(Smi::FromInt(1), js_promise->result());
CHECK(!js_promise->has_handler());
}
TEST(AllocatePromiseReactionJobInfo) {
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 1;
CodeAssemblerTester data(isolate, kNumParams);
CodeStubAssembler m(data.state());
PromiseBuiltinsAssembler p(data.state());
Node* const context = m.Parameter(kNumParams + 2);
Node* const promise = p.AllocateAndInitJSPromise(context);
Node* const tasks = m.AllocateFixedArray(FAST_ELEMENTS, m.IntPtrConstant(1));
m.StoreFixedArrayElement(tasks, 0, m.UndefinedConstant());
Node* const deferred_promise =
m.AllocateFixedArray(FAST_ELEMENTS, m.IntPtrConstant(1));
m.StoreFixedArrayElement(deferred_promise, 0, m.UndefinedConstant());
Node* const info = m.AllocatePromiseReactionJobInfo(
promise, m.SmiConstant(1), tasks, deferred_promise, m.UndefinedConstant(),
m.UndefinedConstant(), context);
m.Return(info);
Handle<Code> code = data.GenerateCode();
CHECK(!code.is_null());
FunctionTester ft(code, kNumParams);
Handle<Object> result =
ft.Call(isolate->factory()->undefined_value()).ToHandleChecked();
CHECK(result->IsPromiseReactionJobInfo());
Handle<PromiseReactionJobInfo> promise_info =
Handle<PromiseReactionJobInfo>::cast(result);
CHECK_EQ(Smi::FromInt(1), promise_info->value());
CHECK(promise_info->promise()->IsJSPromise());
CHECK(promise_info->tasks()->IsFixedArray());
CHECK(promise_info->deferred_promise()->IsFixedArray());
CHECK(promise_info->deferred_on_resolve()->IsUndefined(isolate));
CHECK(promise_info->deferred_on_reject()->IsUndefined(isolate));
CHECK(promise_info->context()->IsContext());
CHECK_EQ(kDebugPromiseNoID, promise_info->debug_id());
CHECK_EQ(kDebugNotActive, promise_info->debug_name());
}
TEST(AllocatePromiseResolveThenableJobInfo) {
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 1;
CodeAssemblerTester data(isolate, kNumParams);
PromiseBuiltinsAssembler p(data.state());
Node* const context = p.Parameter(kNumParams + 2);
Node* const native_context = p.LoadNativeContext(context);
Node* const thenable = p.AllocateAndInitJSPromise(context);
Node* const then_str = p.HeapConstant(isolate->factory()->then_string());
Callable getproperty_callable = CodeFactory::GetProperty(isolate);
Node* const then =
p.CallStub(getproperty_callable, context, thenable, then_str);
Node* resolve = nullptr;
Node* reject = nullptr;
std::tie(resolve, reject) = p.CreatePromiseResolvingFunctions(
thenable, p.FalseConstant(), native_context);
Node* const info = p.AllocatePromiseResolveThenableJobInfo(
thenable, then, resolve, reject, context);
p.Return(info);
Handle<Code> code = data.GenerateCode();
CHECK(!code.is_null());
FunctionTester ft(code, kNumParams);
Handle<Object> result =
ft.Call(isolate->factory()->undefined_value()).ToHandleChecked();
CHECK(result->IsPromiseResolveThenableJobInfo());
Handle<PromiseResolveThenableJobInfo> promise_info =
Handle<PromiseResolveThenableJobInfo>::cast(result);
CHECK(promise_info->thenable()->IsJSPromise());
CHECK(promise_info->then()->IsJSFunction());
CHECK(promise_info->resolve()->IsJSFunction());
CHECK(promise_info->reject()->IsJSFunction());
CHECK_EQ(kDebugPromiseNoID, promise_info->debug_id());
CHECK_EQ(kDebugNotActive, promise_info->debug_name());
CHECK(promise_info->context()->IsContext());
}
TEST(IsSymbol) {
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 1;
CodeAssemblerTester data(isolate, kNumParams);
CodeStubAssembler m(data.state());
Node* const symbol = m.Parameter(0);
m.Return(m.SelectBooleanConstant(m.IsSymbol(symbol)));
Handle<Code> code = data.GenerateCode();
CHECK(!code.is_null());
FunctionTester ft(code, kNumParams);
Handle<Object> result =
ft.Call(isolate->factory()->NewSymbol()).ToHandleChecked();
CHECK_EQ(isolate->heap()->true_value(), *result);
result = ft.Call(isolate->factory()->empty_string()).ToHandleChecked();
CHECK_EQ(isolate->heap()->false_value(), *result);
}
TEST(IsPrivateSymbol) {
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 1;
CodeAssemblerTester data(isolate, kNumParams);
CodeStubAssembler m(data.state());
Node* const symbol = m.Parameter(0);
m.Return(m.SelectBooleanConstant(m.IsPrivateSymbol(symbol)));
Handle<Code> code = data.GenerateCode();
CHECK(!code.is_null());
FunctionTester ft(code, kNumParams);
Handle<Object> result =
ft.Call(isolate->factory()->NewSymbol()).ToHandleChecked();
CHECK_EQ(isolate->heap()->false_value(), *result);
result = ft.Call(isolate->factory()->empty_string()).ToHandleChecked();
CHECK_EQ(isolate->heap()->false_value(), *result);
result = ft.Call(isolate->factory()->NewPrivateSymbol()).ToHandleChecked();
CHECK_EQ(isolate->heap()->true_value(), *result);
}
TEST(PromiseHasHandler) {
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 1;
CodeAssemblerTester data(isolate, kNumParams);
PromiseBuiltinsAssembler m(data.state());
Node* const context = m.Parameter(kNumParams + 2);
Node* const promise =
m.AllocateAndInitJSPromise(context, m.UndefinedConstant());
m.Return(m.SelectBooleanConstant(m.PromiseHasHandler(promise)));
Handle<Code> code = data.GenerateCode();
CHECK(!code.is_null());
FunctionTester ft(code, kNumParams);
Handle<Object> result =
ft.Call(isolate->factory()->undefined_value()).ToHandleChecked();
CHECK_EQ(isolate->heap()->false_value(), *result);
}
TEST(CreatePromiseResolvingFunctionsContext) {
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 1;
CodeAssemblerTester data(isolate, kNumParams);
PromiseBuiltinsAssembler m(data.state());
Node* const context = m.Parameter(kNumParams + 2);
Node* const native_context = m.LoadNativeContext(context);
Node* const promise =
m.AllocateAndInitJSPromise(context, m.UndefinedConstant());
Node* const promise_context = m.CreatePromiseResolvingFunctionsContext(
promise, m.BooleanConstant(false), native_context);
m.Return(promise_context);
Handle<Code> code = data.GenerateCode();
CHECK(!code.is_null());
FunctionTester ft(code, kNumParams);
Handle<Object> result =
ft.Call(isolate->factory()->undefined_value()).ToHandleChecked();
CHECK(result->IsContext());
Handle<Context> context_js = Handle<Context>::cast(result);
CHECK_EQ(isolate->native_context()->closure(), context_js->closure());
CHECK_EQ(isolate->heap()->the_hole_value(), context_js->extension());
CHECK_EQ(*isolate->native_context(), context_js->native_context());
CHECK_EQ(Smi::FromInt(0), context_js->get(PromiseUtils::kAlreadyVisitedSlot));
CHECK(context_js->get(PromiseUtils::kPromiseSlot)->IsJSPromise());
CHECK_EQ(isolate->heap()->false_value(),
context_js->get(PromiseUtils::kDebugEventSlot));
}
TEST(CreatePromiseResolvingFunctions) {
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 1;
CodeAssemblerTester data(isolate, kNumParams);
PromiseBuiltinsAssembler m(data.state());
Node* const context = m.Parameter(kNumParams + 2);
Node* const native_context = m.LoadNativeContext(context);
Node* const promise =
m.AllocateAndInitJSPromise(context, m.UndefinedConstant());
Node *resolve, *reject;
std::tie(resolve, reject) = m.CreatePromiseResolvingFunctions(
promise, m.BooleanConstant(false), native_context);
Node* const kSize = m.IntPtrConstant(2);
Node* const arr = m.AllocateFixedArray(FAST_ELEMENTS, kSize);
m.StoreFixedArrayElement(arr, 0, resolve);
m.StoreFixedArrayElement(arr, 1, reject);
m.Return(arr);
Handle<Code> code = data.GenerateCode();
CHECK(!code.is_null());
FunctionTester ft(code, kNumParams);
Handle<Object> result_obj =
ft.Call(isolate->factory()->undefined_value()).ToHandleChecked();
CHECK(result_obj->IsFixedArray());
Handle<FixedArray> result_arr = Handle<FixedArray>::cast(result_obj);
CHECK(result_arr->get(0)->IsJSFunction());
CHECK(result_arr->get(1)->IsJSFunction());
}
TEST(AllocateFunctionWithMapAndContext) {
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 1;
CodeAssemblerTester data(isolate, kNumParams);
PromiseBuiltinsAssembler m(data.state());
Node* const context = m.Parameter(kNumParams + 2);
Node* const native_context = m.LoadNativeContext(context);
Node* const promise =
m.AllocateAndInitJSPromise(context, m.UndefinedConstant());
Node* promise_context = m.CreatePromiseResolvingFunctionsContext(
promise, m.BooleanConstant(false), native_context);
Node* resolve_info =
m.LoadContextElement(native_context, Context::PROMISE_RESOLVE_SHARED_FUN);
Node* const map = m.LoadContextElement(
native_context, Context::STRICT_FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX);
Node* const resolve =
m.AllocateFunctionWithMapAndContext(map, resolve_info, promise_context);
m.Return(resolve);
Handle<Code> code = data.GenerateCode();
CHECK(!code.is_null());
FunctionTester ft(code, kNumParams);
Handle<Object> result_obj =
ft.Call(isolate->factory()->undefined_value()).ToHandleChecked();
CHECK(result_obj->IsJSFunction());
Handle<JSFunction> fun = Handle<JSFunction>::cast(result_obj);
CHECK_EQ(isolate->heap()->empty_fixed_array(), fun->properties());
CHECK_EQ(isolate->heap()->empty_fixed_array(), fun->elements());
CHECK_EQ(isolate->heap()->empty_literals_array(), fun->literals());
CHECK_EQ(isolate->heap()->the_hole_value(), fun->prototype_or_initial_map());
CHECK_EQ(*isolate->promise_resolve_shared_fun(), fun->shared());
CHECK_EQ(isolate->promise_resolve_shared_fun()->code(), fun->code());
CHECK_EQ(isolate->heap()->undefined_value(), fun->next_function_link());
}
TEST(CreatePromiseGetCapabilitiesExecutorContext) {
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 1;
CodeAssemblerTester data(isolate, kNumParams);
PromiseBuiltinsAssembler m(data.state());
Node* const context = m.Parameter(kNumParams + 2);
Node* const native_context = m.LoadNativeContext(context);
Node* const map = m.LoadRoot(Heap::kJSPromiseCapabilityMapRootIndex);
Node* const capability = m.AllocateJSObjectFromMap(map);
m.StoreObjectFieldNoWriteBarrier(
capability, JSPromiseCapability::kPromiseOffset, m.UndefinedConstant());
m.StoreObjectFieldNoWriteBarrier(
capability, JSPromiseCapability::kResolveOffset, m.UndefinedConstant());
m.StoreObjectFieldNoWriteBarrier(
capability, JSPromiseCapability::kRejectOffset, m.UndefinedConstant());
Node* const executor_context =
m.CreatePromiseGetCapabilitiesExecutorContext(capability, native_context);
m.Return(executor_context);
Handle<Code> code = data.GenerateCode();
CHECK(!code.is_null());
FunctionTester ft(code, kNumParams);
Handle<Object> result_obj =
ft.Call(isolate->factory()->undefined_value()).ToHandleChecked();
CHECK(result_obj->IsContext());
Handle<Context> context_js = Handle<Context>::cast(result_obj);
CHECK_EQ(GetPromiseCapabilityExecutor::kContextLength, context_js->length());
CHECK_EQ(isolate->native_context()->closure(), context_js->closure());
CHECK_EQ(isolate->heap()->the_hole_value(), context_js->extension());
CHECK_EQ(*isolate->native_context(), context_js->native_context());
CHECK(context_js->get(GetPromiseCapabilityExecutor::kCapabilitySlot)
->IsJSPromiseCapability());
}
TEST(NewPromiseCapability) {
Isolate* isolate(CcTest::InitIsolateOnce());
{ // Builtin Promise
const int kNumParams = 1;
CodeAssemblerTester data(isolate, kNumParams);
PromiseBuiltinsAssembler m(data.state());
Node* const context = m.Parameter(kNumParams + 2);
Node* const native_context = m.LoadNativeContext(context);
Node* const promise_constructor =
m.LoadContextElement(native_context, Context::PROMISE_FUNCTION_INDEX);
Node* const capability =
m.NewPromiseCapability(context, promise_constructor);
m.Return(capability);
Handle<Code> code = data.GenerateCode();
FunctionTester ft(code, kNumParams);
Handle<Object> result_obj =
ft.Call(isolate->factory()->undefined_value()).ToHandleChecked();
CHECK(result_obj->IsJSPromiseCapability());
Handle<JSPromiseCapability> result =
Handle<JSPromiseCapability>::cast(result_obj);
CHECK(result->promise()->IsJSPromise());
CHECK(result->resolve()->IsJSFunction());
CHECK(result->reject()->IsJSFunction());
CHECK_EQ(isolate->native_context()->promise_resolve_shared_fun(),
JSFunction::cast(result->resolve())->shared());
CHECK_EQ(isolate->native_context()->promise_reject_shared_fun(),
JSFunction::cast(result->reject())->shared());
Handle<JSFunction> callbacks[] = {
handle(JSFunction::cast(result->resolve())),
handle(JSFunction::cast(result->reject()))};
for (auto&& callback : callbacks) {
Handle<Context> context(Context::cast(callback->context()));
CHECK_EQ(isolate->native_context()->closure(), context->closure());
CHECK_EQ(isolate->heap()->the_hole_value(), context->extension());
CHECK_EQ(*isolate->native_context(), context->native_context());
CHECK_EQ(PromiseUtils::kPromiseContextLength, context->length());
CHECK_EQ(context->get(PromiseUtils::kPromiseSlot), result->promise());
}
}
{ // Custom Promise
const int kNumParams = 2;
CodeAssemblerTester data(isolate, kNumParams);
PromiseBuiltinsAssembler m(data.state());
Node* const context = m.Parameter(kNumParams + 2);
Node* const constructor = m.Parameter(1);
Node* const capability = m.NewPromiseCapability(context, constructor);
m.Return(capability);
Handle<Code> code = data.GenerateCode();
FunctionTester ft(code, kNumParams);
Handle<JSFunction> constructor_fn =
Handle<JSFunction>::cast(v8::Utils::OpenHandle(*CompileRun(
"(function FakePromise(executor) {"
" var self = this;"
" function resolve(value) { self.resolvedValue = value; }"
" function reject(reason) { self.rejectedReason = reason; }"
" executor(resolve, reject);"
"})")));
Handle<Object> result_obj =
ft.Call(isolate->factory()->undefined_value(), constructor_fn)
.ToHandleChecked();
CHECK(result_obj->IsJSPromiseCapability());
Handle<JSPromiseCapability> result =
Handle<JSPromiseCapability>::cast(result_obj);
CHECK(result->promise()->IsJSObject());
Handle<JSObject> promise(JSObject::cast(result->promise()));
CHECK_EQ(constructor_fn->prototype_or_initial_map(), promise->map());
CHECK(result->resolve()->IsJSFunction());
CHECK(result->reject()->IsJSFunction());
Handle<String> resolved_str =
isolate->factory()->NewStringFromAsciiChecked("resolvedStr");
Handle<String> rejected_str =
isolate->factory()->NewStringFromAsciiChecked("rejectedStr");
Handle<Object> argv1[] = {resolved_str};
Handle<Object> ret =
Execution::Call(isolate, handle(result->resolve(), isolate),
isolate->factory()->undefined_value(), 1, argv1)
.ToHandleChecked();
Handle<Object> prop1 =
JSReceiver::GetProperty(isolate, promise, "resolvedValue")
.ToHandleChecked();
CHECK_EQ(*resolved_str, *prop1);
Handle<Object> argv2[] = {rejected_str};
ret = Execution::Call(isolate, handle(result->reject(), isolate),
isolate->factory()->undefined_value(), 1, argv2)
.ToHandleChecked();
Handle<Object> prop2 =
JSReceiver::GetProperty(isolate, promise, "rejectedReason")
.ToHandleChecked();
CHECK_EQ(*rejected_str, *prop2);
}
}
} // namespace internal
} // namespace v8