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PR-URL: https://github.com/nodejs/node/pull/28918 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
49 lines
838 B
JavaScript
49 lines
838 B
JavaScript
// Copyright 2019 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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// For packed sealed object.
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function packedStore() {
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let a = Object.seal([""]);
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a[0] = 0;
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assertEquals(a[0], 0);
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}
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packedStore();
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packedStore();
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// For holey sealed object.
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function holeyStore() {
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let a = Object.seal([, ""]);
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a[0] = 0;
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assertEquals(a[0], undefined);
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}
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holeyStore();
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holeyStore();
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// Make sure IC store for holey is consistent.
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let a = Object.seal([, ""]);
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function foo() {
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a[1] = 0;
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}
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foo();
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foo();
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function bar() {
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a[0] = 1;
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}
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assertEquals(a, [, 0]);
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bar();
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assertEquals(a, [, 0]);
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bar();
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assertEquals(a, [, 0]);
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function baz() {
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a[2] = 2;
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}
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assertEquals(a, [, 0]);
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baz();
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assertEquals(a, [, 0]);
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baz();
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assertEquals(a, [, 0]);
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