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17a74ddd3d
PR-URL: https://github.com/nodejs/node/pull/49639 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
63 lines
2.3 KiB
C++
63 lines
2.3 KiB
C++
// Copyright 2022 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/execution/isolate.h"
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#include "src/heap/factory.h"
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#include "src/objects/objects-inl.h"
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#include "test/unittests/compiler/function-tester.h"
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#include "test/unittests/test-utils.h"
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namespace v8 {
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namespace internal {
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namespace compiler {
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using RunJSObjectsTest = TestWithContext;
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TEST_F(RunJSObjectsTest, ArgumentsMapped) {
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FunctionTester T(i_isolate(), "(function(a) { return arguments; })");
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Handle<Object> arguments =
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T.Call(T.NewNumber(19), T.NewNumber(23), T.NewNumber(42), T.NewNumber(65))
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.ToHandleChecked();
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CHECK(IsJSObject(*arguments) && !IsJSArray(*arguments));
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CHECK(JSObject::cast(*arguments)->HasSloppyArgumentsElements());
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Handle<String> l = T.isolate->factory()->length_string();
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Handle<Object> length =
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Object::GetProperty(T.isolate, arguments, l).ToHandleChecked();
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CHECK_EQ(4, Object::Number(*length));
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}
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TEST_F(RunJSObjectsTest, ArgumentsUnmapped) {
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FunctionTester T(i_isolate(),
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"(function(a) { 'use strict'; return arguments; })");
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Handle<Object> arguments =
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T.Call(T.NewNumber(19), T.NewNumber(23), T.NewNumber(42), T.NewNumber(65))
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.ToHandleChecked();
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CHECK(IsJSObject(*arguments) && !IsJSArray(*arguments));
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CHECK(!JSObject::cast(*arguments)->HasSloppyArgumentsElements());
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Handle<String> l = T.isolate->factory()->length_string();
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Handle<Object> length =
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Object::GetProperty(T.isolate, arguments, l).ToHandleChecked();
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CHECK_EQ(4, Object::Number(*length));
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}
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TEST_F(RunJSObjectsTest, ArgumentsRest) {
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FunctionTester T(i_isolate(), "(function(a, ...args) { return args; })");
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Handle<Object> arguments =
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T.Call(T.NewNumber(19), T.NewNumber(23), T.NewNumber(42), T.NewNumber(65))
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.ToHandleChecked();
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CHECK(IsJSObject(*arguments) && IsJSArray(*arguments));
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CHECK(!JSObject::cast(*arguments)->HasSloppyArgumentsElements());
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Handle<String> l = T.isolate->factory()->length_string();
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Handle<Object> length =
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Object::GetProperty(T.isolate, arguments, l).ToHandleChecked();
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CHECK_EQ(3, Object::Number(*length));
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}
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} // namespace compiler
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} // namespace internal
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} // namespace v8
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