From 55a4f1fc869e41aca748c63d3018f0448b1606e0 Mon Sep 17 00:00:00 2001 From: pack Date: Sun, 9 Aug 2026 10:37:07 +0000 Subject: first commit --- node_modules/dunder-proto/test/set.js | 50 +++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 node_modules/dunder-proto/test/set.js (limited to 'node_modules/dunder-proto/test/set.js') diff --git a/node_modules/dunder-proto/test/set.js b/node_modules/dunder-proto/test/set.js new file mode 100644 index 0000000..c3bfe4d --- /dev/null +++ b/node_modules/dunder-proto/test/set.js @@ -0,0 +1,50 @@ +'use strict'; + +var test = require('tape'); + +var setDunderProto = require('../set'); + +test('setDunderProto', { skip: !setDunderProto }, function (t) { + if (!setDunderProto) { + throw 'should never happen; this is just for type narrowing'; // eslint-disable-line no-throw-literal + } + + // @ts-expect-error + t['throws'](function () { setDunderProto(); }, TypeError, 'throws if no arguments'); + // @ts-expect-error + t['throws'](function () { setDunderProto(undefined); }, TypeError, 'throws with undefined and nothing'); + // @ts-expect-error + t['throws'](function () { setDunderProto(undefined, undefined); }, TypeError, 'throws with undefined and undefined'); + // @ts-expect-error + t['throws'](function () { setDunderProto(null); }, TypeError, 'throws with null and undefined'); + // @ts-expect-error + t['throws'](function () { setDunderProto(null, undefined); }, TypeError, 'throws with null and undefined'); + + /** @type {{ inherited?: boolean }} */ + var obj = {}; + t.ok('toString' in obj, 'object initially has toString'); + + setDunderProto(obj, null); + t.notOk('toString' in obj, 'object no longer has toString'); + + t.notOk('inherited' in obj, 'object lacks inherited property'); + setDunderProto(obj, { inherited: true }); + t.equal(obj.inherited, true, 'object has inherited property'); + + t.end(); +}); + +test('no dunder proto', { skip: !!setDunderProto }, function (t) { + if ('__proto__' in Object.prototype) { + t['throws']( + // @ts-expect-error + function () { ({}).__proto__ = null; }, // eslint-disable-line no-proto + Error, + 'throws when setting Object.prototype.__proto__' + ); + } else { + t.notOk('__proto__' in Object.prototype, 'no __proto__ in Object.prototype'); + } + + t.end(); +}); -- cgit v1.2.3