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Unified Diff: test/cctest/test-code-stub-assembler.cc

Issue 1995453002: [stubs] Extend HasProperty stub with dictionary-mode and double-elements objects support. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Drive-by fix: replace Load()s with LoadObjectField()s Created 4 years, 7 months ago
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Index: test/cctest/test-code-stub-assembler.cc
diff --git a/test/cctest/test-code-stub-assembler.cc b/test/cctest/test-code-stub-assembler.cc
index 5a1d90bb7a050d1046893072f3f82a159513f76e..aa25b7b2200c7b243cdb9434b8fbe4c2ab308648 100644
--- a/test/cctest/test-code-stub-assembler.cc
+++ b/test/cctest/test-code-stub-assembler.cc
@@ -2,6 +2,7 @@
// 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/interface-descriptors.h"
#include "src/isolate.h"
#include "test/cctest/compiler/function-tester.h"
@@ -396,5 +397,673 @@ TEST(TestToConstant) {
CHECK(!m.ToInt64Constant(a, value64));
}
+TEST(ComputeIntegerHash) {
+ Isolate* isolate(CcTest::InitIsolateOnce());
+ const int param_count = 2;
+ CodeStubAssemblerTester m(isolate, param_count);
+ m.Return(m.SmiFromWord32(m.ComputeIntegerHash(
+ m.SmiToWord32(m.Parameter(0)), m.SmiToWord32(m.Parameter(1)))));
+
+ Handle<Code> code = m.GenerateCode();
+ FunctionTester ft(code, param_count);
+
+ 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(TryToName) {
+ typedef CodeStubAssembler::Label Label;
+ typedef CodeStubAssembler::Variable Variable;
+ Isolate* isolate(CcTest::InitIsolateOnce());
+
+ const int param_count = 3;
+ CodeStubAssemblerTester m(isolate, param_count);
+
+ 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, MachineRepresentation::kWord32);
+
+ 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.Word32Equal(m.SmiToWord32(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 = m.GenerateCode();
+ FunctionTester ft(code, param_count);
+
+ 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::FromInt(0), 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>) => bailout.
+ Handle<Object> key(Smi::FromInt(-1), isolate);
+ ft.CheckTrue(key, expect_bailout);
+ }
+
+ {
+ // 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(<non-internalized string>) => bailout.
+ Handle<Object> key = isolate->factory()->NewStringFromAsciiChecked("test");
+ ft.CheckTrue(key, expect_bailout);
+ }
+}
+
+namespace {
+
+template <typename Dictionary>
+void TestNameDictionaryLookup() {
+ typedef CodeStubAssembler::Label Label;
+ typedef CodeStubAssembler::Variable Variable;
+ Isolate* isolate(CcTest::InitIsolateOnce());
+
+ const int param_count = 4;
+ CodeStubAssemblerTester m(isolate, param_count);
+
+ 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_entry(&m, MachineRepresentation::kWord32);
+
+ m.NameDictionaryLookup<Dictionary>(dictionary, unique_name, &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 = m.GenerateCode();
+ FunctionTester ft(code, param_count);
+
+ 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]);
+ CHECK_NE(Dictionary::kNotFound, entry);
+
+ Handle<Object> expected_entry(Smi::FromInt(entry), isolate);
+ ft.CheckTrue(dictionary, keys[i], expect_found, expected_entry);
+ }
+
+ 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 param_count = 4;
+ CodeStubAssemblerTester m(isolate, param_count);
+
+ 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, MachineRepresentation::kWord32);
+
+ 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 = m.GenerateCode();
+ FunctionTester ft(code, param_count);
+
+ 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);
+
+ 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) {
+ Handle<Object> value(Smi::FromInt(42), object->GetIsolate());
+ for (size_t i = 0; i < count; i++) {
+ JSObject::AddProperty(object, names[i], value, NONE);
+ }
+}
+
+} // namespace
+
+TEST(TryLookupProperty) {
+ typedef CodeStubAssembler::Label Label;
+ Isolate* isolate(CcTest::InitIsolateOnce());
+
+ const int param_count = 4;
+ CodeStubAssemblerTester m(isolate, param_count);
+
+ 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.TryLookupProperty(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 = m.GenerateCode();
+ FunctionTester ft(code, param_count);
+
+ 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> 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;
+
+ {
+ Handle<JSFunction> function = factory->NewFunction(factory->empty_string());
+ Handle<JSObject> object = factory->NewJSObject(function);
+ AddProperties(object, names, arraysize(names));
+ CHECK_EQ(JS_OBJECT_TYPE, object->map()->instance_type());
+ CHECK(!object->map()->is_dictionary_map());
+ objects.push_back(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");
+ CHECK_EQ(JS_OBJECT_TYPE, object->map()->instance_type());
+ CHECK(object->map()->is_dictionary_map());
+ objects.push_back(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));
+ 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->InternalizeUtf8String("ne_a"),
+ factory->InternalizeUtf8String("ne_bb"),
+ factory->InternalizeUtf8String("ne_ccc"),
+ factory->InternalizeUtf8String("ne_dddd"),
+ };
+ for (Handle<JSObject> object : objects) {
+ for (size_t key_index = 0; key_index < arraysize(non_existing_names);
+ key_index++) {
+ Handle<Name> key = non_existing_names[key_index];
+ CHECK(!JSReceiver::HasProperty(object, key).FromJust());
+ ft.CheckTrue(object, key, 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);
+ }
+}
+
+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 param_count = 4;
+ CodeStubAssemblerTester m(isolate, param_count);
+
+ 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 = m.GenerateCode();
+ FunctionTester ft(code, param_count);
+
+ Factory* factory = isolate->factory();
+ Handle<Object> smi0(Smi::FromInt(0), 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);
+ }
+}
+
} // namespace internal
} // namespace v8
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