3665fbaaf5
Fixed: chromium:1365101 Change-Id: Ie6f5fa08416348e827de9a389af5d63eba118ceb Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3909810 Reviewed-by: Philip Pfaffe <pfaffe@chromium.org> Reviewed-by: Jakob Kummerow <jkummerow@chromium.org> Commit-Queue: Matthias Liedtke <mliedtke@chromium.org> Cr-Commit-Position: refs/heads/main@{#83385}
84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
// Copyright 2021 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 "include/v8-exception.h"
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#include "include/v8-local-handle.h"
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#include "include/v8-object.h"
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#include "include/v8-template.h"
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#include "src/api/api.h"
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#include "src/objects/js-array-inl.h"
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#include "src/objects/objects-inl.h"
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#include "src/runtime/runtime.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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using RuntimeTest = TestWithContext;
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TEST_F(RuntimeTest, ReturnsPrototype) {
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TryCatch try_catch(isolate());
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Local<v8::Object> object = v8::Object::New(isolate());
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Handle<JSArray> i_result =
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Runtime::GetInternalProperties(i_isolate(), Utils::OpenHandle(*object))
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.ToHandleChecked();
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Local<Array> result = Utils::ToLocal(i_result);
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EXPECT_GE(result->Length(), 1u);
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char name_buffer[100];
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result->Get(context(), 0)
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.ToLocalChecked()
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.As<v8::String>()
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->WriteUtf8(isolate(), name_buffer);
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EXPECT_EQ("[[Prototype]]", std::string(name_buffer));
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}
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bool AccessCheck(Local<v8::Context> accessing_context,
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Local<v8::Object> accessed_object, Local<Value> data) {
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return false;
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}
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TEST_F(RuntimeTest, DoesNotReturnPrototypeWhenInacessible) {
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TryCatch try_catch(isolate());
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Local<ObjectTemplate> object_template = ObjectTemplate::New(isolate());
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object_template->SetAccessCheckCallback(AccessCheck);
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Local<v8::Object> object =
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object_template->NewInstance(context()).ToLocalChecked();
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Handle<JSArray> i_result =
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Runtime::GetInternalProperties(i_isolate(), Utils::OpenHandle(*object))
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.ToHandleChecked();
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Local<Array> result = Utils::ToLocal(i_result);
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EXPECT_EQ(0u, result->Length());
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}
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#if V8_ENABLE_WEBASSEMBLY
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TEST_F(RuntimeTest, WasmTableWithoutInstance) {
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uint32_t initial = 1u;
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bool has_maximum = false;
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uint32_t maximum = std::numeric_limits<uint32_t>::max();
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Handle<FixedArray> elements;
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Handle<WasmTableObject> table = WasmTableObject::New(
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i_isolate(), Handle<WasmInstanceObject>(), wasm::kWasmAnyRef, initial,
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has_maximum, maximum, &elements, i_isolate()->factory()->null_value());
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MaybeHandle<JSArray> result =
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Runtime::GetInternalProperties(i_isolate(), table);
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ASSERT_FALSE(result.is_null());
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// ["[[Prototype]]", <map>, "[[Entries]]", <entries>]
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ASSERT_EQ(4, result.ToHandleChecked()->elements().length());
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Handle<Object> entries =
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FixedArrayBase::GetElement(i_isolate(), result.ToHandleChecked(), 3)
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.ToHandleChecked();
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EXPECT_EQ(1, JSArray::cast(*entries).elements().length());
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}
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#endif
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} // namespace
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} // namespace internal
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} // namespace v8
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