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757c104147
fixup: add support for `Object.create(null)` fixup: extend to any 1-argument Object.create call fixup: add tests PR-URL: https://github.com/nodejs/node/pull/46083 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Geoffrey Booth <webadmin@geoffreybooth.com> Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: Mohammed Keyvanzadeh <mohammadkeyvanzade94@gmail.com> Reviewed-By: Darshan Sen <raisinten@gmail.com> Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Jacob Smith <jacob@frende.me> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
39 lines
801 B
JavaScript
39 lines
801 B
JavaScript
'use strict';
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require('../common');
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const vm = require('vm');
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const assert = require('assert');
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let base = {
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propBase: 1
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};
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let sandbox = Object.create(base, {
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propSandbox: { value: 3 }
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});
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const context = vm.createContext(sandbox);
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let result = vm.runInContext('Object.hasOwnProperty(this, "propBase");',
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context);
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assert.strictEqual(result, false);
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// Ref: https://github.com/nodejs/node/issues/5350
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base = { __proto__: null };
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base.x = 1;
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base.y = 2;
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sandbox = { __proto__: base };
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sandbox.z = 3;
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assert.deepStrictEqual(Object.keys(sandbox), ['z']);
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const code = 'x = 0; z = 4;';
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result = vm.runInNewContext(code, sandbox);
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assert.strictEqual(result, 4);
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// Check that y is not an own property.
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assert.deepStrictEqual(Object.keys(sandbox), ['z', 'x']);
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