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d59c2cf1b4
v8/test/cctest/test-code-stub-assembler.cc
caitp d59c2cf1b4 [builtins] add CodeStubAssembler::IsDebugActive() helper 
Utility used by Promise builtins implemented in TFJ/TFS

BUG=v8:5046
R=bmeurer@chromium.org, gsathya@chromium.org, yangguo@chromium.org, adamk@chromium.org

Review-Url: https://codereview.chromium.org/2517823002
Cr-Commit-Position: refs/heads/master@{#41123}
2016-11-20 17:57:10 +00:00

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// 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/code-factory.h"
#include "src/code-stub-assembler.h"
#include "src/compiler/node.h"
#include "src/isolate.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;
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.SmiTag(
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.SmiTag(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.SmiToWord32(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 CodeStubAssembler::Label Label;
typedef CodeStubAssembler::Variable 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 CodeStubAssembler::Label Label;
typedef CodeStubAssembler::Variable 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.Word32Equal(m.SmiToWord32(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 CodeStubAssembler::Label Label;
typedef CodeStubAssembler::Variable 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.SmiToWord32(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.Word32Equal(m.SmiToWord32(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 CodeStubAssembler::Label 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 CodeStubAssembler::Label Label;
typedef CodeStubAssembler::Variable 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 CodeStubAssembler::Label 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.SmiToWord32(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(DeferredCodePhiHints) {
typedef compiler::Node Node;
typedef CodeStubAssembler::Label Label;
typedef CodeStubAssembler::Variable Variable;
Isolate* isolate(CcTest::InitIsolateOnce());
CodeAssemblerTester data(isolate);
CodeStubAssembler m(data.state());
Label block1(&m, Label::kDeferred);
m.Goto(&block1);
m.Bind(&block1);
{
Variable var_object(&m, MachineRepresentation::kTagged);
Label loop(&m, &var_object);
var_object.Bind(m.IntPtrConstant(0));
m.Goto(&loop);
m.Bind(&loop);
{
Node* map = m.LoadMap(var_object.value());
var_object.Bind(map);
m.Goto(&loop);
}
}
CHECK(!data.GenerateCode().is_null());
}
TEST(TestOutOfScopeVariable) {
typedef CodeStubAssembler::Label Label;
typedef CodeStubAssembler::Variable Variable;
Isolate* isolate(CcTest::InitIsolateOnce());
CodeAssemblerTester data(isolate);
CodeStubAssembler m(data.state());
Label block1(&m);
Label block2(&m);
Label block3(&m);
Label block4(&m);
m.Branch(m.WordEqual(m.Parameter(0), m.IntPtrConstant(0)), &block1, &block4);
m.Bind(&block4);
{
Variable var_object(&m, MachineRepresentation::kTagged);
m.Branch(m.WordEqual(m.Parameter(0), m.IntPtrConstant(0)), &block2,
&block3);
m.Bind(&block2);
var_object.Bind(m.IntPtrConstant(55));
m.Goto(&block1);
m.Bind(&block3);
var_object.Bind(m.IntPtrConstant(66));
m.Goto(&block1);
}
m.Bind(&block1);
CHECK(!data.GenerateCode().is_null());
}
TEST(GotoIfException) {
typedef CodeStubAssembler::Label Label;
typedef CodeStubAssembler::Variable Variable;
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 1;
CodeAssemblerTester data(isolate, kNumParams);
CodeStubAssembler m(data.state());
Node* context = m.HeapConstant(Handle<Context>(isolate->native_context()));
Node* to_string_tag =
m.HeapConstant(isolate->factory()->to_string_tag_symbol());
Variable exception(&m, MachineRepresentation::kTagged);
Label exception_handler(&m);
Callable to_string = CodeFactory::ToString(isolate);
Node* string = m.CallStub(to_string, context, to_string_tag);
m.GotoIfException(string, &exception_handler, &exception);
m.Return(string);
m.Bind(&exception_handler);
m.Return(exception.value());
Handle<Code> code = data.GenerateCode();
CHECK(!code.is_null());
FunctionTester ft(code, kNumParams);
Handle<Object> result = ft.Call().ToHandleChecked();
// Should be a TypeError.
CHECK(result->IsJSObject());
Handle<Object> constructor =
Object::GetPropertyOrElement(result,
isolate->factory()->constructor_string())
.ToHandleChecked();
CHECK(constructor->SameValue(*isolate->type_error_function()));
}
TEST(GotoIfExceptionMultiple) {
typedef CodeStubAssembler::Label Label;
typedef CodeStubAssembler::Variable Variable;
Isolate* isolate(CcTest::InitIsolateOnce());
const int kNumParams = 4; // receiver, first, second, third
CodeAssemblerTester data(isolate, kNumParams);
CodeStubAssembler m(data.state());
Node* context = m.HeapConstant(Handle<Context>(isolate->native_context()));
Node* first_value = m.Parameter(0);
Node* second_value = m.Parameter(1);
Node* third_value = m.Parameter(2);
Label exception_handler1(&m);
Label exception_handler2(&m);
Label exception_handler3(&m);
Variable return_value(&m, MachineRepresentation::kWord32);
Variable error(&m, MachineRepresentation::kTagged);
return_value.Bind(m.Int32Constant(0));
// try { return ToString(param1) } catch (e) { ... }
Callable to_string = CodeFactory::ToString(isolate);
Node* string = m.CallStub(to_string, context, first_value);
m.GotoIfException(string, &exception_handler1, &error);
m.Return(string);
// try { ToString(param2); return 7 } catch (e) { ... }
m.Bind(&exception_handler1);
return_value.Bind(m.Int32Constant(7));
error.Bind(m.UndefinedConstant());
string = m.CallStub(to_string, context, second_value);
m.GotoIfException(string, &exception_handler2, &error);
m.Return(m.SmiFromWord32(return_value.value()));
// try { ToString(param3); return 7 & ~2; } catch (e) { return e; }
m.Bind(&exception_handler2);
// Return returnValue & ~2
error.Bind(m.UndefinedConstant());
string = m.CallStub(to_string, context, third_value);
m.GotoIfException(string, &exception_handler3, &error);
m.Return(m.SmiFromWord32(
m.Word32And(return_value.value(),
m.Word32Xor(m.Int32Constant(2), m.Int32Constant(-1)))));
m.Bind(&exception_handler3);
m.Return(error.value());
Handle<Code> code = data.GenerateCode();
CHECK(!code.is_null());
FunctionTester ft(code, kNumParams);
Handle<Object> result;
// First handler does not throw, returns result of first value.
result = ft.Call(isolate->factory()->undefined_value(),
isolate->factory()->to_string_tag_symbol())
.ToHandleChecked();
CHECK(String::cast(*result)->IsOneByteEqualTo(OneByteVector("undefined")));
// First handler returns a number.
result = ft.Call(isolate->factory()->to_string_tag_symbol(),
isolate->factory()->undefined_value())
.ToHandleChecked();
CHECK_EQ(7, Smi::cast(*result)->value());
// First handler throws, second handler returns a number.
result = ft.Call(isolate->factory()->to_string_tag_symbol(),
isolate->factory()->to_primitive_symbol())
.ToHandleChecked();
CHECK_EQ(7 & ~2, Smi::cast(*result)->value());
// First handler throws, second handler throws, third handler returns thrown
// value.
result = ft.Call(isolate->factory()->to_string_tag_symbol(),
isolate->factory()->to_primitive_symbol(),
isolate->factory()->unscopables_symbol())
.ToHandleChecked();
// Should be a TypeError.
CHECK(result->IsJSObject());
Handle<Object> constructor =
Object::GetPropertyOrElement(result,
isolate->factory()->constructor_string())
.ToHandleChecked();
CHECK(constructor->SameValue(*isolate->type_error_function()));
}
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.IntPtrConstant(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.IntPtrConstant(3));
CodeStubAssembler::Variable sum(&m, MachineType::PointerRepresentation());
CodeStubAssembler::VariableList list({&sum}, m.zone());
sum.Bind(m.IntPtrConstant(0));
arguments.ForEach(list, [&m, &sum](CodeStubAssembler* assembler, Node* arg) {
sum.Bind(assembler->IntPtrAdd(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());
CodeStubAssembler::Label 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;
}
} // namespace internal
} // namespace v8
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