f9bb65eb9f
Avoid the deprecated FLAG_* syntax, access flag values via the
{v8_flags} struct instead.
R=mliedtke@chromium.org
Bug: v8:12887
Change-Id: I06e12314495c2d89135e58e5d3a01310f108e865
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3899303
Reviewed-by: Matthias Liedtke <mliedtke@chromium.org>
Commit-Queue: Matthias Liedtke <mliedtke@chromium.org>
Cr-Commit-Position: refs/heads/main@{#83233}
1084 lines
42 KiB
C++
1084 lines
42 KiB
C++
// Copyright 2018 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/web-snapshot/web-snapshot.h"
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#include "include/v8-function.h"
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#include "src/api/api-inl.h"
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#include "test/unittests/test-utils.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace v8 {
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namespace internal {
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namespace {
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class WebSnapshotTest : public TestWithContext {
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protected:
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void TestWebSnapshotExtensive(
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const char* snapshot_source, const char* test_source,
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std::function<void(v8::Isolate*, v8::Local<v8::Context>)> tester,
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uint32_t string_count, uint32_t symbol_count,
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uint32_t builtin_object_count, uint32_t map_count, uint32_t context_count,
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uint32_t function_count, uint32_t object_count, uint32_t array_count) {
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v8::Isolate* isolate = v8_isolate();
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WebSnapshotData snapshot_data;
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{
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v8::HandleScope scope(isolate);
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v8::Local<v8::Context> new_context = v8::Context::New(isolate);
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v8::Context::Scope context_scope(new_context);
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TryRunJS(snapshot_source);
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v8::Local<v8::PrimitiveArray> exports =
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v8::PrimitiveArray::New(isolate, 1);
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v8::Local<v8::String> str =
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v8::String::NewFromUtf8(isolate, "foo").ToLocalChecked();
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exports->Set(isolate, 0, str);
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WebSnapshotSerializer serializer(isolate);
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CHECK(serializer.TakeSnapshot(new_context, exports, snapshot_data));
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CHECK(!serializer.has_error());
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CHECK_NOT_NULL(snapshot_data.buffer);
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CHECK_EQ(string_count, serializer.string_count());
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CHECK_EQ(symbol_count, serializer.symbol_count());
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CHECK_EQ(map_count, serializer.map_count());
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CHECK_EQ(builtin_object_count, serializer.builtin_object_count());
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CHECK_EQ(context_count, serializer.context_count());
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CHECK_EQ(function_count, serializer.function_count());
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CHECK_EQ(object_count, serializer.object_count());
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CHECK_EQ(array_count, serializer.array_count());
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}
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{
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v8::HandleScope scope(isolate);
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v8::Local<v8::Context> new_context = v8::Context::New(isolate);
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v8::Context::Scope context_scope(new_context);
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WebSnapshotDeserializer deserializer(isolate, snapshot_data.buffer,
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snapshot_data.buffer_size);
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CHECK(deserializer.Deserialize());
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CHECK(!deserializer.has_error());
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tester(isolate, new_context);
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CHECK_EQ(string_count, deserializer.string_count());
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CHECK_EQ(symbol_count, deserializer.symbol_count());
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CHECK_EQ(map_count, deserializer.map_count());
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CHECK_EQ(builtin_object_count, deserializer.builtin_object_count());
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CHECK_EQ(context_count, deserializer.context_count());
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CHECK_EQ(function_count, deserializer.function_count());
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CHECK_EQ(object_count, deserializer.object_count());
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CHECK_EQ(array_count, deserializer.array_count());
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}
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}
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void TestWebSnapshot(const char* snapshot_source, const char* test_source,
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const char* expected_result, uint32_t string_count,
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uint32_t symbol_count, uint32_t map_count,
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uint32_t builtin_object_count, uint32_t context_count,
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uint32_t function_count, uint32_t object_count,
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uint32_t array_count) {
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TestWebSnapshotExtensive(
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snapshot_source, test_source,
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[this, test_source, expected_result](
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v8::Isolate* isolate, v8::Local<v8::Context> new_context) {
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v8::Local<v8::String> result = RunJS(test_source).As<v8::String>();
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CHECK(result->Equals(new_context, NewString(expected_result))
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.FromJust());
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},
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string_count, symbol_count, map_count, builtin_object_count,
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context_count, function_count, object_count, array_count);
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}
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void VerifyFunctionKind(const v8::Local<v8::Object>& result,
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const v8::Local<v8::Context>& context,
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const char* property_name,
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FunctionKind expected_kind) {
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v8::Local<v8::Function> v8_function =
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result->Get(context, NewString(property_name))
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.ToLocalChecked()
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.As<v8::Function>();
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Handle<JSFunction> function =
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Handle<JSFunction>::cast(Utils::OpenHandle(*v8_function));
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CHECK_EQ(function->shared().kind(), expected_kind);
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}
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};
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} // namespace
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TEST_F(WebSnapshotTest, Minimal) {
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const char* snapshot_source = "var foo = {'key': 'lol'};";
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const char* test_source = "foo.key";
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const char* expected_result = "lol";
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uint32_t kStringCount = 2; // 'foo', 'Object.prototype'; 'key' is in-place.
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uint32_t kSymbolCount = 0;
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uint32_t kBuiltinObjectCount = 1;
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uint32_t kMapCount = 1;
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uint32_t kContextCount = 0;
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uint32_t kFunctionCount = 0;
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uint32_t kObjectCount = 1;
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uint32_t kArrayCount = 0;
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TestWebSnapshot(snapshot_source, test_source, expected_result, kStringCount,
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kSymbolCount, kBuiltinObjectCount, kMapCount, kContextCount,
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kFunctionCount, kObjectCount, kArrayCount);
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}
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TEST_F(WebSnapshotTest, EmptyObject) {
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const char* snapshot_source = "var foo = {}";
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const char* test_source = "foo";
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uint32_t kStringCount = 2; // 'foo', 'Object.prototype'
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uint32_t kSymbolCount = 0;
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uint32_t kBuiltinObjectCount = 1;
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uint32_t kMapCount = 1;
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uint32_t kContextCount = 0;
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uint32_t kFunctionCount = 0;
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uint32_t kObjectCount = 1;
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uint32_t kArrayCount = 0;
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std::function<void(v8::Isolate*, v8::Local<v8::Context>)> tester =
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[this, test_source](v8::Isolate* isolate,
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v8::Local<v8::Context> new_context) {
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v8::Local<v8::Object> result = RunJS(test_source).As<v8::Object>();
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Handle<JSReceiver> foo(v8::Utils::OpenHandle(*result));
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Isolate* i_isolate = reinterpret_cast<Isolate*>(isolate);
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CHECK_EQ(foo->map(),
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i_isolate->native_context()->object_function().initial_map());
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};
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TestWebSnapshotExtensive(snapshot_source, test_source, tester, kStringCount,
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kSymbolCount, kBuiltinObjectCount, kMapCount,
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kContextCount, kFunctionCount, kObjectCount,
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kArrayCount);
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}
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TEST_F(WebSnapshotTest, Numbers) {
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const char* snapshot_source =
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"var foo = {'a': 6,\n"
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" 'b': -11,\n"
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" 'c': 11.6,\n"
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" 'd': NaN,\n"
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" 'e': Number.POSITIVE_INFINITY,\n"
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" 'f': Number.NEGATIVE_INFINITY,\n"
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"}";
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const char* test_source = "foo";
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uint32_t kStringCount =
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2; // 'foo', 'Object.prototype'; 'a'...'f' are in-place.
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uint32_t kSymbolCount = 0;
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uint32_t kBuiltinObjectCount = 1;
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uint32_t kMapCount = 1;
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uint32_t kContextCount = 0;
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uint32_t kFunctionCount = 0;
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uint32_t kObjectCount = 1;
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uint32_t kArrayCount = 0;
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std::function<void(v8::Isolate*, v8::Local<v8::Context>)> tester =
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[this, test_source](v8::Isolate* isolate,
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v8::Local<v8::Context> new_context) {
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v8::Local<v8::Object> result = RunJS(test_source).As<v8::Object>();
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int32_t a = result->Get(new_context, NewString("a"))
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.ToLocalChecked()
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.As<v8::Number>()
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->Value();
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CHECK_EQ(a, 6);
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int32_t b = result->Get(new_context, NewString("b"))
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.ToLocalChecked()
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.As<v8::Number>()
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->Value();
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CHECK_EQ(b, -11);
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double c = result->Get(new_context, NewString("c"))
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.ToLocalChecked()
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.As<v8::Number>()
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->Value();
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CHECK_EQ(c, 11.6);
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double d = result->Get(new_context, NewString("d"))
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.ToLocalChecked()
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.As<v8::Number>()
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->Value();
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CHECK(std::isnan(d));
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double e = result->Get(new_context, NewString("e"))
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.ToLocalChecked()
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.As<v8::Number>()
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->Value();
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CHECK_EQ(e, std::numeric_limits<double>::infinity());
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double f = result->Get(new_context, NewString("f"))
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.ToLocalChecked()
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.As<v8::Number>()
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->Value();
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CHECK_EQ(f, -std::numeric_limits<double>::infinity());
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};
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TestWebSnapshotExtensive(snapshot_source, test_source, tester, kStringCount,
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kSymbolCount, kBuiltinObjectCount, kMapCount,
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kContextCount, kFunctionCount, kObjectCount,
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kArrayCount);
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}
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TEST_F(WebSnapshotTest, Oddballs) {
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const char* snapshot_source =
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"var foo = {'a': false,\n"
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" 'b': true,\n"
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" 'c': null,\n"
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" 'd': undefined,\n"
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"}";
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const char* test_source = "foo";
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// 'foo', 'Object.prototype'; 'a'...'d' are in-place.
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uint32_t kStringCount = 2;
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uint32_t kSymbolCount = 0;
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uint32_t kBuiltinObjectCount = 1;
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uint32_t kMapCount = 1;
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uint32_t kContextCount = 0;
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uint32_t kFunctionCount = 0;
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uint32_t kObjectCount = 1;
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uint32_t kArrayCount = 0;
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std::function<void(v8::Isolate*, v8::Local<v8::Context>)> tester =
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[this, test_source](v8::Isolate* isolate,
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v8::Local<v8::Context> new_context) {
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v8::Local<v8::Object> result = RunJS(test_source).As<v8::Object>();
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Local<Value> a =
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result->Get(new_context, NewString("a")).ToLocalChecked();
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CHECK(a->IsFalse());
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Local<Value> b =
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result->Get(new_context, NewString("b")).ToLocalChecked();
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CHECK(b->IsTrue());
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Local<Value> c =
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result->Get(new_context, NewString("c")).ToLocalChecked();
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CHECK(c->IsNull());
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Local<Value> d =
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result->Get(new_context, NewString("d")).ToLocalChecked();
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CHECK(d->IsUndefined());
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};
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TestWebSnapshotExtensive(snapshot_source, test_source, tester, kStringCount,
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kSymbolCount, kBuiltinObjectCount, kMapCount,
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kContextCount, kFunctionCount, kObjectCount,
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kArrayCount);
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}
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TEST_F(WebSnapshotTest, Function) {
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const char* snapshot_source =
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"var foo = {'key': function() { return '11525'; }};";
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const char* test_source = "foo.key()";
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const char* expected_result = "11525";
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// 'foo', 'Object.prototype', 'Function.prototype', function source code.
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// 'key' is in-place.
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uint32_t kStringCount = 4;
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uint32_t kSymbolCount = 0;
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uint32_t kBuiltinObjectCount = 2;
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uint32_t kMapCount = 1;
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uint32_t kContextCount = 0;
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uint32_t kFunctionCount = 1;
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uint32_t kObjectCount = 1;
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uint32_t kArrayCount = 0;
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TestWebSnapshot(snapshot_source, test_source, expected_result, kStringCount,
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kSymbolCount, kBuiltinObjectCount, kMapCount, kContextCount,
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kFunctionCount, kObjectCount, kArrayCount);
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}
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TEST_F(WebSnapshotTest, InnerFunctionWithContext) {
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const char* snapshot_source =
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"var foo = {'key': (function() {\n"
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" let result = '11525';\n"
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" function inner() { return result; }\n"
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" return inner;\n"
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" })()};";
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const char* test_source = "foo.key()";
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const char* expected_result = "11525";
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// Strings: 'foo', 'result', 'Object.prototype', 'Function.prototype'.
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// function source code (inner). 'key' is in-place.
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uint32_t kStringCount = 5;
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uint32_t kSymbolCount = 0;
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uint32_t kBuiltinObjectCount = 2;
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uint32_t kMapCount = 1;
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uint32_t kContextCount = 1;
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uint32_t kFunctionCount = 1;
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uint32_t kObjectCount = 1;
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uint32_t kArrayCount = 0;
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TestWebSnapshot(snapshot_source, test_source, expected_result, kStringCount,
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kSymbolCount, kBuiltinObjectCount, kMapCount, kContextCount,
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kFunctionCount, kObjectCount, kArrayCount);
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}
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TEST_F(WebSnapshotTest, InnerFunctionWithContextAndParentContext) {
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const char* snapshot_source =
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"var foo = {'key': (function() {\n"
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" let part1 = '11';\n"
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" function inner() {\n"
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" let part2 = '525';\n"
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" function innerinner() {\n"
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" return part1 + part2;\n"
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" }\n"
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" return innerinner;\n"
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" }\n"
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" return inner();\n"
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" })()};";
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const char* test_source = "foo.key()";
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const char* expected_result = "11525";
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// Strings: 'foo', 'Object.prototype', 'Function.prototype', function source
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// code (innerinner), 'part1', 'part2'.
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uint32_t kStringCount = 6;
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uint32_t kSymbolCount = 0;
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uint32_t kBuiltinObjectCount = 2;
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uint32_t kMapCount = 1;
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uint32_t kContextCount = 2;
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uint32_t kFunctionCount = 1;
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uint32_t kObjectCount = 1;
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uint32_t kArrayCount = 0;
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TestWebSnapshot(snapshot_source, test_source, expected_result, kStringCount,
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kSymbolCount, kBuiltinObjectCount, kMapCount, kContextCount,
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kFunctionCount, kObjectCount, kArrayCount);
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}
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TEST_F(WebSnapshotTest, RegExp) {
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const char* snapshot_source = "var foo = {'re': /ab+c/gi}";
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const char* test_source = "foo";
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// 'foo', 'Object.prototype', RegExp pattern, RegExp flags
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uint32_t kStringCount = 4;
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uint32_t kSymbolCount = 0;
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uint32_t kBuiltinObjectCount = 1;
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uint32_t kMapCount = 1;
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uint32_t kContextCount = 0;
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uint32_t kFunctionCount = 0;
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uint32_t kObjectCount = 1;
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uint32_t kArrayCount = 0;
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std::function<void(v8::Isolate*, v8::Local<v8::Context>)> tester =
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[this, test_source](v8::Isolate* isolate,
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v8::Local<v8::Context> new_context) {
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v8::Local<v8::Object> result = RunJS(test_source).As<v8::Object>();
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Local<v8::RegExp> re = result->Get(new_context, NewString("re"))
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.ToLocalChecked()
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.As<v8::RegExp>();
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CHECK(re->IsRegExp());
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CHECK(
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re->GetSource()->Equals(new_context, NewString("ab+c")).FromJust());
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CHECK_EQ(v8::RegExp::kGlobal | v8::RegExp::kIgnoreCase, re->GetFlags());
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v8::Local<v8::Object> match =
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re->Exec(new_context, NewString("aBc")).ToLocalChecked();
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CHECK(match->IsArray());
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v8::Local<v8::Object> no_match =
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re->Exec(new_context, NewString("ac")).ToLocalChecked();
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CHECK(no_match->IsNull());
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};
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TestWebSnapshotExtensive(snapshot_source, test_source, tester, kStringCount,
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kSymbolCount, kBuiltinObjectCount, kMapCount,
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kContextCount, kFunctionCount, kObjectCount,
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kArrayCount);
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}
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TEST_F(WebSnapshotTest, RegExpNoFlags) {
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const char* snapshot_source = "var foo = {'re': /ab+c/}";
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const char* test_source = "foo";
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// 'foo', , 'Object.prototype RegExp pattern, RegExp flags
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uint32_t kStringCount = 4;
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uint32_t kSymbolCount = 0;
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uint32_t kBuiltinObjectCount = 1;
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uint32_t kMapCount = 1;
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uint32_t kContextCount = 0;
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uint32_t kFunctionCount = 0;
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uint32_t kObjectCount = 1;
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uint32_t kArrayCount = 0;
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std::function<void(v8::Isolate*, v8::Local<v8::Context>)> tester =
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[this, test_source](v8::Isolate* isolate,
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v8::Local<v8::Context> new_context) {
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v8::Local<v8::Object> result = RunJS(test_source).As<v8::Object>();
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Local<v8::RegExp> re = result->Get(new_context, NewString("re"))
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.ToLocalChecked()
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.As<v8::RegExp>();
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CHECK(re->IsRegExp());
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CHECK(
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re->GetSource()->Equals(new_context, NewString("ab+c")).FromJust());
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CHECK_EQ(v8::RegExp::kNone, re->GetFlags());
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v8::Local<v8::Object> match =
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re->Exec(new_context, NewString("abc")).ToLocalChecked();
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CHECK(match->IsArray());
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v8::Local<v8::Object> no_match =
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re->Exec(new_context, NewString("ac")).ToLocalChecked();
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CHECK(no_match->IsNull());
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};
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TestWebSnapshotExtensive(snapshot_source, test_source, tester, kStringCount,
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kSymbolCount, kBuiltinObjectCount, kMapCount,
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kContextCount, kFunctionCount, kObjectCount,
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kArrayCount);
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}
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TEST_F(WebSnapshotTest, SFIDeduplication) {
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v8::Isolate* isolate = v8_isolate();
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v8::HandleScope scope(isolate);
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WebSnapshotData snapshot_data;
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{
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v8::Local<v8::Context> new_context = v8::Context::New(isolate);
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v8::Context::Scope context_scope(new_context);
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const char* snapshot_source =
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"let foo = {};\n"
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"foo.outer = function(a) {\n"
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" return function() {\n"
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" return a;\n"
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" }\n"
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"}\n"
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"foo.inner = foo.outer('hi');";
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TryRunJS(snapshot_source);
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v8::Local<v8::PrimitiveArray> exports = v8::PrimitiveArray::New(isolate, 1);
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v8::Local<v8::String> str =
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v8::String::NewFromUtf8(isolate, "foo").ToLocalChecked();
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exports->Set(isolate, 0, str);
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WebSnapshotSerializer serializer(isolate);
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CHECK(serializer.TakeSnapshot(new_context, exports, snapshot_data));
|
|
CHECK(!serializer.has_error());
|
|
CHECK_NOT_NULL(snapshot_data.buffer);
|
|
}
|
|
|
|
{
|
|
v8::Local<v8::Context> new_context = v8::Context::New(isolate);
|
|
v8::Context::Scope context_scope(new_context);
|
|
WebSnapshotDeserializer deserializer(isolate, snapshot_data.buffer,
|
|
snapshot_data.buffer_size);
|
|
CHECK(deserializer.Deserialize());
|
|
CHECK(!deserializer.has_error());
|
|
|
|
const char* get_inner = "foo.inner";
|
|
const char* create_new_inner = "foo.outer()";
|
|
|
|
// Verify that foo.inner and the JSFunction which is the result of calling
|
|
// foo.outer() after deserialization share the SFI.
|
|
v8::Local<v8::Function> v8_inner1 = RunJS(get_inner).As<v8::Function>();
|
|
v8::Local<v8::Function> v8_inner2 =
|
|
RunJS(create_new_inner).As<v8::Function>();
|
|
|
|
Handle<JSFunction> inner1 =
|
|
Handle<JSFunction>::cast(Utils::OpenHandle(*v8_inner1));
|
|
Handle<JSFunction> inner2 =
|
|
Handle<JSFunction>::cast(Utils::OpenHandle(*v8_inner2));
|
|
|
|
CHECK_EQ(inner1->shared(), inner2->shared());
|
|
}
|
|
}
|
|
|
|
TEST_F(WebSnapshotTest, SFIDeduplicationClasses) {
|
|
v8::Isolate* isolate = v8_isolate();
|
|
v8::HandleScope scope(isolate);
|
|
|
|
WebSnapshotData snapshot_data;
|
|
{
|
|
v8::Local<v8::Context> new_context = v8::Context::New(isolate);
|
|
v8::Context::Scope context_scope(new_context);
|
|
const char* snapshot_source =
|
|
"let foo = {};\n"
|
|
"foo.create = function(a) {\n"
|
|
" return class {\n"
|
|
" constructor(x) {this.x = x;};\n"
|
|
" }\n"
|
|
"}\n"
|
|
"foo.class = foo.create('hi');";
|
|
|
|
TryRunJS(snapshot_source);
|
|
v8::Local<v8::PrimitiveArray> exports = v8::PrimitiveArray::New(isolate, 1);
|
|
v8::Local<v8::String> str =
|
|
v8::String::NewFromUtf8(isolate, "foo").ToLocalChecked();
|
|
exports->Set(isolate, 0, str);
|
|
WebSnapshotSerializer serializer(isolate);
|
|
CHECK(serializer.TakeSnapshot(new_context, exports, snapshot_data));
|
|
CHECK(!serializer.has_error());
|
|
CHECK_NOT_NULL(snapshot_data.buffer);
|
|
}
|
|
|
|
{
|
|
v8::Local<v8::Context> new_context = v8::Context::New(isolate);
|
|
v8::Context::Scope context_scope(new_context);
|
|
WebSnapshotDeserializer deserializer(isolate, snapshot_data.buffer,
|
|
snapshot_data.buffer_size);
|
|
CHECK(deserializer.Deserialize());
|
|
CHECK(!deserializer.has_error());
|
|
|
|
const char* get_class = "foo.class";
|
|
const char* create_new_class = "foo.create()";
|
|
|
|
// Verify that foo.inner and the JSFunction which is the result of calling
|
|
// foo.outer() after deserialization share the SFI.
|
|
v8::Local<v8::Function> v8_class1 = RunJS(get_class).As<v8::Function>();
|
|
v8::Local<v8::Function> v8_class2 =
|
|
RunJS(create_new_class).As<v8::Function>();
|
|
|
|
Handle<JSFunction> class1 =
|
|
Handle<JSFunction>::cast(Utils::OpenHandle(*v8_class1));
|
|
Handle<JSFunction> class2 =
|
|
Handle<JSFunction>::cast(Utils::OpenHandle(*v8_class2));
|
|
|
|
CHECK_EQ(class1->shared(), class2->shared());
|
|
}
|
|
}
|
|
|
|
TEST_F(WebSnapshotTest, SFIDeduplicationAfterBytecodeFlushing) {
|
|
v8_flags.stress_flush_code = true;
|
|
v8_flags.flush_bytecode = true;
|
|
v8::Isolate* isolate = v8_isolate();
|
|
|
|
WebSnapshotData snapshot_data;
|
|
{
|
|
v8::HandleScope scope(isolate);
|
|
v8::Local<v8::Context> new_context = v8::Context::New(isolate);
|
|
v8::Context::Scope context_scope(new_context);
|
|
|
|
const char* snapshot_source =
|
|
"let foo = {};\n"
|
|
"foo.outer = function() {\n"
|
|
" let a = 'hello';\n"
|
|
" return function() {\n"
|
|
" return a;\n"
|
|
" }\n"
|
|
"}\n"
|
|
"foo.inner = foo.outer();";
|
|
|
|
TryRunJS(snapshot_source);
|
|
|
|
v8::Local<v8::PrimitiveArray> exports = v8::PrimitiveArray::New(isolate, 1);
|
|
v8::Local<v8::String> str =
|
|
v8::String::NewFromUtf8(isolate, "foo").ToLocalChecked();
|
|
exports->Set(isolate, 0, str);
|
|
WebSnapshotSerializer serializer(isolate);
|
|
CHECK(serializer.TakeSnapshot(new_context, exports, snapshot_data));
|
|
CHECK(!serializer.has_error());
|
|
CHECK_NOT_NULL(snapshot_data.buffer);
|
|
}
|
|
|
|
CollectAllGarbage();
|
|
CollectAllGarbage();
|
|
|
|
{
|
|
v8::HandleScope scope(isolate);
|
|
v8::Local<v8::Context> new_context = v8::Context::New(isolate);
|
|
v8::Context::Scope context_scope(new_context);
|
|
WebSnapshotDeserializer deserializer(isolate, snapshot_data.buffer,
|
|
snapshot_data.buffer_size);
|
|
CHECK(deserializer.Deserialize());
|
|
CHECK(!deserializer.has_error());
|
|
|
|
const char* get_outer = "foo.outer";
|
|
const char* get_inner = "foo.inner";
|
|
const char* create_new_inner = "foo.outer()";
|
|
|
|
v8::Local<v8::Function> v8_outer = RunJS(get_outer).As<v8::Function>();
|
|
Handle<JSFunction> outer =
|
|
Handle<JSFunction>::cast(Utils::OpenHandle(*v8_outer));
|
|
CHECK(!outer->shared().is_compiled());
|
|
|
|
v8::Local<v8::Function> v8_inner1 = RunJS(get_inner).As<v8::Function>();
|
|
v8::Local<v8::Function> v8_inner2 =
|
|
RunJS(create_new_inner).As<v8::Function>();
|
|
|
|
Handle<JSFunction> inner1 =
|
|
Handle<JSFunction>::cast(Utils::OpenHandle(*v8_inner1));
|
|
Handle<JSFunction> inner2 =
|
|
Handle<JSFunction>::cast(Utils::OpenHandle(*v8_inner2));
|
|
|
|
CHECK(outer->shared().is_compiled());
|
|
CHECK_EQ(inner1->shared(), inner2->shared());
|
|
|
|
// Force bytecode flushing of "foo.outer".
|
|
CollectAllGarbage();
|
|
CollectAllGarbage();
|
|
|
|
CHECK(!outer->shared().is_compiled());
|
|
|
|
// Create another inner function.
|
|
v8::Local<v8::Function> v8_inner3 =
|
|
RunJS(create_new_inner).As<v8::Function>();
|
|
Handle<JSFunction> inner3 =
|
|
Handle<JSFunction>::cast(Utils::OpenHandle(*v8_inner3));
|
|
|
|
// Check that it shares the SFI with the original inner function which is in
|
|
// the snapshot.
|
|
CHECK_EQ(inner1->shared(), inner3->shared());
|
|
}
|
|
}
|
|
|
|
TEST_F(WebSnapshotTest, SFIDeduplicationAfterBytecodeFlushingClasses) {
|
|
v8_flags.stress_flush_code = true;
|
|
v8_flags.flush_bytecode = true;
|
|
v8::Isolate* isolate = v8_isolate();
|
|
|
|
WebSnapshotData snapshot_data;
|
|
{
|
|
v8::HandleScope scope(isolate);
|
|
v8::Local<v8::Context> new_context = v8::Context::New(isolate);
|
|
v8::Context::Scope context_scope(new_context);
|
|
|
|
const char* snapshot_source =
|
|
"let foo = {};\n"
|
|
"foo.create = function(a) {\n"
|
|
" return class {\n"
|
|
" constructor(x) {this.x = x;};\n"
|
|
" }\n"
|
|
"}\n"
|
|
"foo.class = foo.create('hi');";
|
|
|
|
TryRunJS(snapshot_source);
|
|
|
|
v8::Local<v8::PrimitiveArray> exports = v8::PrimitiveArray::New(isolate, 1);
|
|
v8::Local<v8::String> str =
|
|
v8::String::NewFromUtf8(isolate, "foo").ToLocalChecked();
|
|
exports->Set(isolate, 0, str);
|
|
WebSnapshotSerializer serializer(isolate);
|
|
CHECK(serializer.TakeSnapshot(new_context, exports, snapshot_data));
|
|
CHECK(!serializer.has_error());
|
|
CHECK_NOT_NULL(snapshot_data.buffer);
|
|
}
|
|
|
|
CollectAllGarbage();
|
|
CollectAllGarbage();
|
|
|
|
{
|
|
v8::HandleScope scope(isolate);
|
|
v8::Local<v8::Context> new_context = v8::Context::New(isolate);
|
|
v8::Context::Scope context_scope(new_context);
|
|
WebSnapshotDeserializer deserializer(isolate, snapshot_data.buffer,
|
|
snapshot_data.buffer_size);
|
|
CHECK(deserializer.Deserialize());
|
|
CHECK(!deserializer.has_error());
|
|
|
|
const char* get_create = "foo.create";
|
|
const char* get_class = "foo.class";
|
|
const char* create_new_class = "foo.create()";
|
|
|
|
v8::Local<v8::Function> v8_create = RunJS(get_create).As<v8::Function>();
|
|
Handle<JSFunction> create =
|
|
Handle<JSFunction>::cast(Utils::OpenHandle(*v8_create));
|
|
CHECK(!create->shared().is_compiled());
|
|
|
|
v8::Local<v8::Function> v8_class1 = RunJS(get_class).As<v8::Function>();
|
|
v8::Local<v8::Function> v8_class2 =
|
|
RunJS(create_new_class).As<v8::Function>();
|
|
|
|
Handle<JSFunction> class1 =
|
|
Handle<JSFunction>::cast(Utils::OpenHandle(*v8_class1));
|
|
Handle<JSFunction> class2 =
|
|
Handle<JSFunction>::cast(Utils::OpenHandle(*v8_class2));
|
|
|
|
CHECK(create->shared().is_compiled());
|
|
CHECK_EQ(class1->shared(), class2->shared());
|
|
|
|
// Force bytecode flushing of "foo.outer".
|
|
CollectAllGarbage();
|
|
CollectAllGarbage();
|
|
|
|
CHECK(!create->shared().is_compiled());
|
|
|
|
// Create another inner function.
|
|
v8::Local<v8::Function> v8_class3 =
|
|
RunJS(create_new_class).As<v8::Function>();
|
|
Handle<JSFunction> class3 =
|
|
Handle<JSFunction>::cast(Utils::OpenHandle(*v8_class3));
|
|
|
|
// Check that it shares the SFI with the original inner function which is in
|
|
// the snapshot.
|
|
CHECK_EQ(class1->shared(), class3->shared());
|
|
}
|
|
}
|
|
|
|
TEST_F(WebSnapshotTest, SFIDeduplicationOfFunctionsNotInSnapshot) {
|
|
v8::Isolate* isolate = v8_isolate();
|
|
v8::HandleScope scope(isolate);
|
|
|
|
WebSnapshotData snapshot_data;
|
|
{
|
|
v8::Local<v8::Context> new_context = v8::Context::New(isolate);
|
|
v8::Context::Scope context_scope(new_context);
|
|
const char* snapshot_source =
|
|
"let foo = {};\n"
|
|
"foo.outer = function(a) {\n"
|
|
" return function() {\n"
|
|
" return a;\n"
|
|
" }\n"
|
|
"}\n";
|
|
|
|
TryRunJS(snapshot_source);
|
|
v8::Local<v8::PrimitiveArray> exports = v8::PrimitiveArray::New(isolate, 1);
|
|
v8::Local<v8::String> str =
|
|
v8::String::NewFromUtf8(isolate, "foo").ToLocalChecked();
|
|
exports->Set(isolate, 0, str);
|
|
WebSnapshotSerializer serializer(isolate);
|
|
CHECK(serializer.TakeSnapshot(new_context, exports, snapshot_data));
|
|
CHECK(!serializer.has_error());
|
|
CHECK_NOT_NULL(snapshot_data.buffer);
|
|
}
|
|
|
|
{
|
|
v8::Local<v8::Context> new_context = v8::Context::New(isolate);
|
|
v8::Context::Scope context_scope(new_context);
|
|
WebSnapshotDeserializer deserializer(isolate, snapshot_data.buffer,
|
|
snapshot_data.buffer_size);
|
|
CHECK(deserializer.Deserialize());
|
|
CHECK(!deserializer.has_error());
|
|
|
|
const char* create_new_inner = "foo.outer()";
|
|
|
|
// Verify that repeated invocations of foo.outer() return functions which
|
|
// share the SFI.
|
|
v8::Local<v8::Function> v8_inner1 =
|
|
RunJS(create_new_inner).As<v8::Function>();
|
|
v8::Local<v8::Function> v8_inner2 =
|
|
RunJS(create_new_inner).As<v8::Function>();
|
|
|
|
Handle<JSFunction> inner1 =
|
|
Handle<JSFunction>::cast(Utils::OpenHandle(*v8_inner1));
|
|
Handle<JSFunction> inner2 =
|
|
Handle<JSFunction>::cast(Utils::OpenHandle(*v8_inner2));
|
|
|
|
CHECK_EQ(inner1->shared(), inner2->shared());
|
|
}
|
|
}
|
|
|
|
TEST_F(WebSnapshotTest, FunctionKinds) {
|
|
const char* snapshot_source =
|
|
"var foo = {a: function() {},\n"
|
|
" b: () => {},\n"
|
|
" c: async function() {},\n"
|
|
" d: async () => {},\n"
|
|
" e: function*() {},\n"
|
|
" f: async function*() {}\n"
|
|
"}";
|
|
const char* test_source = "foo";
|
|
// 'foo', 'Object.prototype', 'Function.prototype', 'AsyncFunction.prototype',
|
|
// 'AsyncGeneratorFunction.prototype", "GeneratorFunction.prototype", source
|
|
// code. 'a'...'f' in-place.
|
|
uint32_t kStringCount = 7;
|
|
uint32_t kSymbolCount = 0;
|
|
uint32_t kBuiltinObjectCount = 5;
|
|
uint32_t kMapCount = 1;
|
|
uint32_t kContextCount = 0;
|
|
uint32_t kFunctionCount = 6;
|
|
uint32_t kObjectCount = 1;
|
|
uint32_t kArrayCount = 0;
|
|
std::function<void(v8::Isolate*, v8::Local<v8::Context>)> tester =
|
|
[this, test_source](v8::Isolate* isolate,
|
|
v8::Local<v8::Context> new_context) {
|
|
v8::Local<v8::Object> result = RunJS(test_source).As<v8::Object>();
|
|
// Verify all FunctionKinds.
|
|
VerifyFunctionKind(result, new_context, "a",
|
|
FunctionKind::kNormalFunction);
|
|
VerifyFunctionKind(result, new_context, "b",
|
|
FunctionKind::kArrowFunction);
|
|
VerifyFunctionKind(result, new_context, "c",
|
|
FunctionKind::kAsyncFunction);
|
|
VerifyFunctionKind(result, new_context, "d",
|
|
FunctionKind::kAsyncArrowFunction);
|
|
VerifyFunctionKind(result, new_context, "e",
|
|
FunctionKind::kGeneratorFunction);
|
|
VerifyFunctionKind(result, new_context, "f",
|
|
FunctionKind::kAsyncGeneratorFunction);
|
|
};
|
|
TestWebSnapshotExtensive(snapshot_source, test_source, tester, kStringCount,
|
|
kSymbolCount, kBuiltinObjectCount, kMapCount,
|
|
kContextCount, kFunctionCount, kObjectCount,
|
|
kArrayCount);
|
|
}
|
|
|
|
// Test that concatenating JS code to the snapshot works.
|
|
TEST_F(WebSnapshotTest, Concatenation) {
|
|
v8::Isolate* isolate = v8_isolate();
|
|
|
|
const char* snapshot_source = "var foo = {a: 1};\n";
|
|
const char* source_to_append = "var bar = {a: 10};";
|
|
const char* test_source = "foo.a + bar.a";
|
|
uint32_t kObjectCount = 1;
|
|
|
|
WebSnapshotData snapshot_data;
|
|
{
|
|
v8::HandleScope scope(isolate);
|
|
v8::Local<v8::Context> new_context = v8::Context::New(isolate);
|
|
v8::Context::Scope context_scope(new_context);
|
|
|
|
TryRunJS(snapshot_source);
|
|
v8::Local<v8::PrimitiveArray> exports = v8::PrimitiveArray::New(isolate, 1);
|
|
v8::Local<v8::String> str =
|
|
v8::String::NewFromUtf8(isolate, "foo").ToLocalChecked();
|
|
exports->Set(isolate, 0, str);
|
|
WebSnapshotSerializer serializer(isolate);
|
|
CHECK(serializer.TakeSnapshot(new_context, exports, snapshot_data));
|
|
CHECK(!serializer.has_error());
|
|
CHECK_NOT_NULL(snapshot_data.buffer);
|
|
CHECK_EQ(kObjectCount, serializer.object_count());
|
|
}
|
|
|
|
auto buffer_size = snapshot_data.buffer_size + strlen(source_to_append);
|
|
std::unique_ptr<uint8_t[]> buffer(new uint8_t[buffer_size]);
|
|
memcpy(buffer.get(), snapshot_data.buffer, snapshot_data.buffer_size);
|
|
memcpy(buffer.get() + snapshot_data.buffer_size, source_to_append,
|
|
strlen(source_to_append));
|
|
|
|
{
|
|
v8::HandleScope scope(isolate);
|
|
v8::Local<v8::Context> new_context = v8::Context::New(isolate);
|
|
v8::Context::Scope context_scope(new_context);
|
|
WebSnapshotDeserializer deserializer(isolate, buffer.get(), buffer_size);
|
|
CHECK(deserializer.Deserialize());
|
|
CHECK(!deserializer.has_error());
|
|
CHECK_EQ(kObjectCount, deserializer.object_count());
|
|
|
|
v8::Local<v8::Number> result = RunJS(test_source).As<v8::Number>();
|
|
CHECK_EQ(11, result->Value());
|
|
}
|
|
}
|
|
|
|
// Test that errors from invalid concatenated code are handled correctly.
|
|
TEST_F(WebSnapshotTest, ConcatenationErrors) {
|
|
v8::Isolate* isolate = v8_isolate();
|
|
|
|
const char* snapshot_source = "var foo = {a: 1};\n";
|
|
const char* source_to_append = "wontparse+[)";
|
|
uint32_t kObjectCount = 1;
|
|
|
|
WebSnapshotData snapshot_data;
|
|
{
|
|
v8::HandleScope scope(isolate);
|
|
v8::Local<v8::Context> new_context = v8::Context::New(isolate);
|
|
v8::Context::Scope context_scope(new_context);
|
|
|
|
TryRunJS(snapshot_source);
|
|
v8::Local<v8::PrimitiveArray> exports = v8::PrimitiveArray::New(isolate, 1);
|
|
v8::Local<v8::String> str =
|
|
v8::String::NewFromUtf8(isolate, "foo").ToLocalChecked();
|
|
exports->Set(isolate, 0, str);
|
|
WebSnapshotSerializer serializer(isolate);
|
|
CHECK(serializer.TakeSnapshot(new_context, exports, snapshot_data));
|
|
CHECK(!serializer.has_error());
|
|
CHECK_NOT_NULL(snapshot_data.buffer);
|
|
CHECK_EQ(kObjectCount, serializer.object_count());
|
|
}
|
|
|
|
auto buffer_size = snapshot_data.buffer_size + strlen(source_to_append);
|
|
std::unique_ptr<uint8_t[]> buffer(new uint8_t[buffer_size]);
|
|
memcpy(buffer.get(), snapshot_data.buffer, snapshot_data.buffer_size);
|
|
memcpy(buffer.get() + snapshot_data.buffer_size, source_to_append,
|
|
strlen(source_to_append));
|
|
|
|
{
|
|
v8::HandleScope scope(isolate);
|
|
v8::Local<v8::Context> new_context = v8::Context::New(isolate);
|
|
v8::Context::Scope context_scope(new_context);
|
|
WebSnapshotDeserializer deserializer(isolate, buffer.get(), buffer_size);
|
|
CHECK(!deserializer.Deserialize());
|
|
}
|
|
}
|
|
|
|
TEST_F(WebSnapshotTest, CompactedSourceCode) {
|
|
v8::Isolate* isolate = v8_isolate();
|
|
v8::HandleScope scope(isolate);
|
|
|
|
WebSnapshotData snapshot_data;
|
|
{
|
|
v8::Local<v8::Context> new_context = v8::Context::New(isolate);
|
|
v8::Context::Scope context_scope(new_context);
|
|
const char* snapshot_source =
|
|
"function foo() { 'foo' }\n"
|
|
"function bar() { 'bar' }\n"
|
|
"function baz() { 'baz' }\n"
|
|
"let e = [foo, bar, baz]";
|
|
TryRunJS(snapshot_source);
|
|
v8::Local<v8::PrimitiveArray> exports = v8::PrimitiveArray::New(isolate, 1);
|
|
v8::Local<v8::String> str =
|
|
v8::String::NewFromUtf8(isolate, "e").ToLocalChecked();
|
|
exports->Set(isolate, 0, str);
|
|
WebSnapshotSerializer serializer(isolate);
|
|
CHECK(serializer.TakeSnapshot(new_context, exports, snapshot_data));
|
|
CHECK(!serializer.has_error());
|
|
CHECK_NOT_NULL(snapshot_data.buffer);
|
|
}
|
|
|
|
{
|
|
v8::Local<v8::Context> new_context = v8::Context::New(isolate);
|
|
v8::Context::Scope context_scope(new_context);
|
|
WebSnapshotDeserializer deserializer(isolate, snapshot_data.buffer,
|
|
snapshot_data.buffer_size);
|
|
CHECK(deserializer.Deserialize());
|
|
CHECK(!deserializer.has_error());
|
|
|
|
const char* get_function = "e[0]";
|
|
|
|
// Verify that the source code got compacted.
|
|
v8::Local<v8::Function> v8_function =
|
|
RunJS(get_function).As<v8::Function>();
|
|
Handle<JSFunction> function =
|
|
Handle<JSFunction>::cast(Utils::OpenHandle(*v8_function));
|
|
Handle<String> function_script_source =
|
|
handle(String::cast(Script::cast(function->shared().script()).source()),
|
|
i_isolate());
|
|
const char* raw_expected_source = "() { 'foo' }() { 'bar' }() { 'baz' }";
|
|
|
|
Handle<String> expected_source = Utils::OpenHandle(
|
|
*v8::String::NewFromUtf8(isolate, raw_expected_source).ToLocalChecked(),
|
|
i_isolate());
|
|
CHECK(function_script_source->Equals(*expected_source));
|
|
}
|
|
}
|
|
|
|
TEST_F(WebSnapshotTest, InPlaceStringsInArrays) {
|
|
const char* snapshot_source = "var foo = ['one', 'two', 'three'];";
|
|
const char* test_source = "foo.join('');";
|
|
const char* expected_result = "onetwothree";
|
|
uint32_t kStringCount = 1; // 'foo'; Other strings are in-place.
|
|
uint32_t kSymbolCount = 0;
|
|
uint32_t kBuiltinObjectCount = 0;
|
|
uint32_t kMapCount = 0;
|
|
uint32_t kContextCount = 0;
|
|
uint32_t kFunctionCount = 0;
|
|
uint32_t kObjectCount = 0;
|
|
uint32_t kArrayCount = 1;
|
|
TestWebSnapshot(snapshot_source, test_source, expected_result, kStringCount,
|
|
kSymbolCount, kBuiltinObjectCount, kMapCount, kContextCount,
|
|
kFunctionCount, kObjectCount, kArrayCount);
|
|
}
|
|
|
|
TEST_F(WebSnapshotTest, RepeatedInPlaceStringsInArrays) {
|
|
const char* snapshot_source = "var foo = ['one', 'two', 'one'];";
|
|
const char* test_source = "foo.join('');";
|
|
const char* expected_result = "onetwoone";
|
|
uint32_t kStringCount = 2; // 'foo', 'one'; Other strings are in-place.
|
|
uint32_t kSymbolCount = 0;
|
|
uint32_t kBuiltinObjectCount = 0;
|
|
uint32_t kMapCount = 0;
|
|
uint32_t kContextCount = 0;
|
|
uint32_t kFunctionCount = 0;
|
|
uint32_t kObjectCount = 0;
|
|
uint32_t kArrayCount = 1;
|
|
TestWebSnapshot(snapshot_source, test_source, expected_result, kStringCount,
|
|
kSymbolCount, kBuiltinObjectCount, kMapCount, kContextCount,
|
|
kFunctionCount, kObjectCount, kArrayCount);
|
|
}
|
|
|
|
TEST_F(WebSnapshotTest, InPlaceStringsInObjects) {
|
|
const char* snapshot_source = "var foo = {a: 'one', b: 'two', c: 'three'};";
|
|
const char* test_source = "foo.a + foo.b + foo.c;";
|
|
const char* expected_result = "onetwothree";
|
|
// 'foo', 'Object.prototype'. Other strings are in-place.
|
|
uint32_t kStringCount = 2;
|
|
uint32_t kSymbolCount = 0;
|
|
uint32_t kBuiltinObjectCount = 1;
|
|
uint32_t kMapCount = 1;
|
|
uint32_t kContextCount = 0;
|
|
uint32_t kFunctionCount = 0;
|
|
uint32_t kObjectCount = 1;
|
|
uint32_t kArrayCount = 0;
|
|
TestWebSnapshot(snapshot_source, test_source, expected_result, kStringCount,
|
|
kSymbolCount, kBuiltinObjectCount, kMapCount, kContextCount,
|
|
kFunctionCount, kObjectCount, kArrayCount);
|
|
}
|
|
|
|
TEST_F(WebSnapshotTest, RepeatedInPlaceStringsInObjects) {
|
|
const char* snapshot_source = "var foo = {a: 'one', b: 'two', c: 'one'};";
|
|
const char* test_source = "foo.a + foo.b + foo.c;";
|
|
const char* expected_result = "onetwoone";
|
|
// 'foo', 'one', 'Object.prototype'. Other strings are in-place.
|
|
uint32_t kStringCount = 3;
|
|
uint32_t kSymbolCount = 0;
|
|
uint32_t kBuiltinObjectCount = 1;
|
|
uint32_t kMapCount = 1;
|
|
uint32_t kContextCount = 0;
|
|
uint32_t kFunctionCount = 0;
|
|
uint32_t kObjectCount = 1;
|
|
uint32_t kArrayCount = 0;
|
|
TestWebSnapshot(snapshot_source, test_source, expected_result, kStringCount,
|
|
kSymbolCount, kBuiltinObjectCount, kMapCount, kContextCount,
|
|
kFunctionCount, kObjectCount, kArrayCount);
|
|
}
|
|
|
|
TEST_F(WebSnapshotTest, BuiltinObjects) {
|
|
const char* snapshot_source = "var foo = {a: Error.prototype};";
|
|
const char* test_source = "foo.a == Error.prototype ? \"pass\" : \"fail\"";
|
|
const char* expected_result = "pass";
|
|
// 'foo', 'Error.prototype', 'Object.prototype'. Other strings are in-place.
|
|
uint32_t kStringCount = 3;
|
|
uint32_t kSymbolCount = 0;
|
|
uint32_t kBuiltinObjectCount = 2;
|
|
uint32_t kMapCount = 1;
|
|
uint32_t kContextCount = 0;
|
|
uint32_t kFunctionCount = 0;
|
|
uint32_t kObjectCount = 1;
|
|
uint32_t kArrayCount = 0;
|
|
TestWebSnapshot(snapshot_source, test_source, expected_result, kStringCount,
|
|
kSymbolCount, kBuiltinObjectCount, kMapCount, kContextCount,
|
|
kFunctionCount, kObjectCount, kArrayCount);
|
|
}
|
|
|
|
TEST_F(WebSnapshotTest, BuiltinObjectsDeduplicated) {
|
|
const char* snapshot_source =
|
|
"var foo = {a: Error.prototype, b: Error.prototype}";
|
|
const char* test_source = "foo.a === Error.prototype ? \"pass\" : \"fail\"";
|
|
const char* expected_result = "pass";
|
|
// 'foo', 'Error.prototype', 'Object.prototype'. Other strings are in-place.
|
|
uint32_t kStringCount = 3;
|
|
uint32_t kSymbolCount = 0;
|
|
uint32_t kBuiltinObjectCount = 2;
|
|
uint32_t kMapCount = 1;
|
|
uint32_t kContextCount = 0;
|
|
uint32_t kFunctionCount = 0;
|
|
uint32_t kObjectCount = 1;
|
|
uint32_t kArrayCount = 0;
|
|
TestWebSnapshot(snapshot_source, test_source, expected_result, kStringCount,
|
|
kSymbolCount, kBuiltinObjectCount, kMapCount, kContextCount,
|
|
kFunctionCount, kObjectCount, kArrayCount);
|
|
}
|
|
|
|
TEST_F(WebSnapshotTest, ConstructorFunctionKinds) {
|
|
v8::Isolate* isolate = v8_isolate();
|
|
v8::HandleScope scope(isolate);
|
|
|
|
WebSnapshotData snapshot_data;
|
|
{
|
|
v8::Local<v8::Context> new_context = v8::Context::New(isolate);
|
|
v8::Context::Scope context_scope(new_context);
|
|
const char* snapshot_source =
|
|
"class Base { constructor() {} };\n"
|
|
"class Derived extends Base { constructor() {} };\n"
|
|
"class BaseDefault {};\n"
|
|
"class DerivedDefault extends BaseDefault {};\n";
|
|
|
|
TryRunJS(snapshot_source);
|
|
v8::Local<v8::PrimitiveArray> exports = v8::PrimitiveArray::New(isolate, 4);
|
|
exports->Set(isolate, 0,
|
|
v8::String::NewFromUtf8(isolate, "Base").ToLocalChecked());
|
|
exports->Set(isolate, 1,
|
|
v8::String::NewFromUtf8(isolate, "Derived").ToLocalChecked());
|
|
exports->Set(
|
|
isolate, 2,
|
|
v8::String::NewFromUtf8(isolate, "BaseDefault").ToLocalChecked());
|
|
exports->Set(
|
|
isolate, 3,
|
|
v8::String::NewFromUtf8(isolate, "DerivedDefault").ToLocalChecked());
|
|
WebSnapshotSerializer serializer(isolate);
|
|
CHECK(serializer.TakeSnapshot(new_context, exports, snapshot_data));
|
|
CHECK(!serializer.has_error());
|
|
CHECK_NOT_NULL(snapshot_data.buffer);
|
|
}
|
|
|
|
{
|
|
v8::Local<v8::Context> new_context = v8::Context::New(isolate);
|
|
v8::Context::Scope context_scope(new_context);
|
|
WebSnapshotDeserializer deserializer(isolate, snapshot_data.buffer,
|
|
snapshot_data.buffer_size);
|
|
CHECK(deserializer.Deserialize());
|
|
CHECK(!deserializer.has_error());
|
|
|
|
v8::Local<v8::Function> v8_base = RunJS("Base").As<v8::Function>();
|
|
Handle<JSFunction> base =
|
|
Handle<JSFunction>::cast(Utils::OpenHandle(*v8_base));
|
|
CHECK_EQ(FunctionKind::kBaseConstructor, base->shared().kind());
|
|
|
|
v8::Local<v8::Function> v8_derived = RunJS("Derived").As<v8::Function>();
|
|
Handle<JSFunction> derived =
|
|
Handle<JSFunction>::cast(Utils::OpenHandle(*v8_derived));
|
|
CHECK_EQ(FunctionKind::kDerivedConstructor, derived->shared().kind());
|
|
|
|
v8::Local<v8::Function> v8_base_default =
|
|
RunJS("BaseDefault").As<v8::Function>();
|
|
Handle<JSFunction> base_default =
|
|
Handle<JSFunction>::cast(Utils::OpenHandle(*v8_base_default));
|
|
CHECK_EQ(FunctionKind::kDefaultBaseConstructor,
|
|
base_default->shared().kind());
|
|
|
|
v8::Local<v8::Function> v8_derived_default =
|
|
RunJS("DerivedDefault").As<v8::Function>();
|
|
Handle<JSFunction> derived_default =
|
|
Handle<JSFunction>::cast(Utils::OpenHandle(*v8_derived_default));
|
|
CHECK_EQ(FunctionKind::kDefaultDerivedConstructor,
|
|
derived_default->shared().kind());
|
|
}
|
|
}
|
|
|
|
} // namespace internal
|
|
} // namespace v8
|