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9d7cd9b864
PR-URL: https://github.com/nodejs/node/pull/54077 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Richard Lau <rlau@redhat.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
134 lines
5.4 KiB
C++
134 lines
5.4 KiB
C++
// Copyright 2013 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "src/init/v8.h"
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#include "src/objects/objects-inl.h"
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#include "test/unittests/test-utils.h"
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#include "testing/gmock-support.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace v8 {
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using GlobalObjectTest = TestWithContext;
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// This test fails if properties on the prototype of the global object appear
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// as declared globals.
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TEST_F(GlobalObjectTest, StrictUndeclaredGlobalVariable) {
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Local<String> var_name = NewString("x");
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TryCatch try_catch(isolate());
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Local<Object> proto = Object::New(isolate());
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Local<Object> global = context()->Global();
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proto->Set(context(), var_name, Number::New(isolate(), 100)).FromJust();
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global->SetPrototypeV2(context(), proto).FromJust();
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CHECK_EQ(global->GetPrototypeV2(), proto);
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CHECK(TryRunJS("\"use strict\"; x = 42;").IsEmpty());
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CHECK(try_catch.HasCaught());
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String::Utf8Value exception(isolate(), try_catch.Exception());
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CHECK_EQ(0, strcmp("ReferenceError: x is not defined", *exception));
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}
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TEST_F(GlobalObjectTest, KeysGlobalObject_Regress2764) {
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Local<Context> env1 = context();
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// Create second environment.
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Local<Context> env2 = Context::New(env1->GetIsolate());
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Local<Value> token = NewString("foo");
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// Set same security token for env1 and env2.
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env1->SetSecurityToken(token);
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env2->SetSecurityToken(token);
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// Create a reference to env2 global from env1 global.
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env1->Global()->Set(env1, NewString("global2"), env2->Global()).FromJust();
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// Set some global variables in global2
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env2->Global()->Set(env2, NewString("a"), NewString("a")).FromJust();
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env2->Global()->Set(env2, NewString("42"), NewString("42")).FromJust();
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// List all entries from global2.
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Local<Array> result;
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result = Local<Array>::Cast(RunJS("Object.keys(global2)"));
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CHECK_EQ(2u, result->Length());
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CHECK(NewString("42")
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->Equals(env1, result->Get(env1, 0).ToLocalChecked())
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.FromJust());
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CHECK(NewString("a")
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->Equals(env1, result->Get(env1, 1).ToLocalChecked())
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.FromJust());
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result = Local<Array>::Cast(RunJS("Object.getOwnPropertyNames(global2)"));
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CHECK_LT(2u, result->Length());
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// Check that all elements are in the property names
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CHECK(RunJS("-1 < Object.getOwnPropertyNames(global2).indexOf('42')")
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->IsTrue());
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CHECK(
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RunJS("-1 < Object.getOwnPropertyNames(global2).indexOf('a')")->IsTrue());
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// Hold on to global from env2 and detach global from env2.
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env2->DetachGlobal();
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// List again all entries from the detached global2.
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result = Local<Array>::Cast(RunJS("Object.keys(global2)"));
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CHECK_EQ(0u, result->Length());
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result = Local<Array>::Cast(RunJS("Object.getOwnPropertyNames(global2)"));
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CHECK_EQ(0u, result->Length());
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}
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// Allow usages of v8::Object::GetPrototype() for now.
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// TODO(https://crbug.com/333672197): remove.
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START_ALLOW_USE_DEPRECATED()
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TEST_F(GlobalObjectTest, KeysGlobalObject_SetPrototype) {
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Local<Context> env1 = context();
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// Create second environment.
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Local<Context> env2 = Context::New(env1->GetIsolate());
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Local<Value> token = NewString("foo");
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// Set same security token for env1 and env2.
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env1->SetSecurityToken(token);
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env2->SetSecurityToken(token);
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// Create a reference to env2 global from env1 global.
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env1->Global()->SetPrototypeV2(env1, env2->Global()).FromJust();
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CHECK_EQ(env1->Global()->GetPrototypeV2(), env2->Global());
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CHECK_EQ(env1->Global()->GetPrototype().As<Object>()->GetPrototype(),
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env2->Global());
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// Set some global variables in global2
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env2->Global()->Set(env2, NewString("a"), NewString("a")).FromJust();
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env2->Global()->Set(env2, NewString("42"), NewString("42")).FromJust();
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// List all entries from global2.
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CHECK(RunJS("a == 'a'")->IsTrue());
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}
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// Allow usages of v8::Object::GetPrototype() for now.
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// TODO(https://crbug.com/333672197): remove.
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END_ALLOW_USE_DEPRECATED()
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} // namespace v8
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