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fd4f80ce54
PR-URL: https://github.com/nodejs/node/pull/42657 Reviewed-By: Darshan Sen <raisinten@gmail.com> Reviewed-By: Richard Lau <rlau@redhat.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Michael Dawson <midawson@redhat.com>
75 lines
2.9 KiB
JavaScript
75 lines
2.9 KiB
JavaScript
// 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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// spec:
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// https://tc39.es/ecma262/multipage/ordinary-and-exotic-objects-behaviours.html
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// #sec-functiondeclarationinstantiation
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// This regession focus on checking [var declared "arguments" should bind to
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// "arguments exotic object" when has_simple_parameters_ is false and
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// inner_scope has var declared "arguments"]
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// according to ES#sec-functiondeclarationinstantiation step 8,
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// hasParameterExpressions is false, and according to step 15-18,
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// argumentsObjectNeeded is true, according to step 27,
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// var declared arguments should bind to arguments exotic object
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function no_parameters_and_non_lexical_arguments() {
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assertEquals(typeof arguments, 'object');
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var arguments;
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}
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no_parameters_and_non_lexical_arguments()
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// according to ES#sec-functiondeclarationinstantiation step 8,
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// hasParameterExpressions is false, and according to step 15-18,
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// argumentsObjectNeeded is true, according to step 28,
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// var declared arguments should bind to arguments exotic object
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function destructuring_parameters_and_non_lexical_arguments([_]) {
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assertEquals(typeof arguments, 'object');
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var arguments;
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}
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destructuring_parameters_and_non_lexical_arguments([])
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// according to ES#sec-functiondeclarationinstantiation step 8,
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// hasParameterExpressions is false, and according to step 15-18,
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// argumentsObjectNeeded is true, according to step 28,
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// var declared arguments should bind to arguments exotic object
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function rest_parameters_and_non_lexical_arguments(..._) {
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assertEquals(typeof arguments, 'object');
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var arguments;
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}
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rest_parameters_and_non_lexical_arguments()
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// according to ES#sec-functiondeclarationinstantiation step 8,
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// hasParameterExpressions is true, and according to step 15-18,
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// argumentsObjectNeeded is true, according to step 28,
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// var declared arguments should bind to arguments exotic object
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function initializer_parameters_and_non_lexical_arguments(_ = 0) {
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assertEquals(typeof arguments, 'object');
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var arguments;
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}
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initializer_parameters_and_non_lexical_arguments()
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// according to ES#sec-functiondeclarationinstantiation step 8,
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// hasParameterExpressions is true, and according to step 15-18,
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// and argumentsObjectNeeded is true, according to step 34, should
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// throw because access to let declared arguments
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function initializer_parameters_and_lexical_arguments(_ = 0) {
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return typeof arguments;
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let arguments;
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}
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assertThrows(initializer_parameters_and_lexical_arguments);
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// according to ES#sec-functiondeclarationinstantiation step 8,
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// hasParameterExpressions is false, and according to step 15-18,
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// argumentsObjectNeeded is false, according to step 34,
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// should throw because access to let declared arguments
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function simple_parameters_and_lexical_arguments(_) {
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return typeof arguments;
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let arguments;
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}
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assertThrows(simple_parameters_and_lexical_arguments);
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