flags.js - mozsearch

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var BUGNUMBER = 1108467;

var summary = "Implement RegExp.prototype.flags";

print(BUGNUMBER + ": " + summary);

assertEq(RegExp.prototype.flags, "");

assertEq(/foo/iymg.flags, "gimy");

assertEq(RegExp("").flags, "");

assertEq(RegExp("", "mygi").flags, "gimy");

assertEq(RegExp("", "mygui").flags, "gimuy");

assertEq(genericFlags({}), "");

assertEq(genericFlags({ignoreCase: true}), "i");

assertEq(genericFlags({sticky:1, unicode:1, global: 0}), "uy");

assertEq(genericFlags({__proto__: {multiline: true}}), "m");

assertEq(genericFlags(new Proxy({}, {get(){return true}})), "dgimsuvy");

assertThrowsInstanceOf(() => genericFlags(), TypeError);

assertThrowsInstanceOf(() => genericFlags(1), TypeError);

assertThrowsInstanceOf(() => genericFlags(""), TypeError);

function genericFlags(obj) {

    return Object.getOwnPropertyDescriptor(RegExp.prototype,"flags").get.call(obj);

if (typeof reportCompare === "function")

    reportCompare(true, true);