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// |reftest| shell-option(--enable-legacy-regexp) skip-if(release_or_beta||!xulRuntime.shell) -- legacy-regexp is not released yet, requires shell-options
/*
* Any copyright is dedicated to the Public Domain.
*/
// SKIP test262 export
// This test verifies that RegExp legacy static properties match TC39's expected
// attributes: non-enumerable and configurable.
// Reset RegExp.leftContext to the empty string.
/x/.test('x');
var d = Object.getOwnPropertyDescriptor(RegExp, "leftContext");
assertEq(d.set, undefined);
assertEq(typeof d.get, "function");
let regexpLegacyFeatures = getPrefValue('experimental.legacy_regexp');
assertEq(d.enumerable, !regexpLegacyFeatures);
assertEq(d.configurable, regexpLegacyFeatures);
assertEq(d.get.call(RegExp), "");
reportCompare(0, 0, "ok");