v8/test/mjsunit/regexp-no-linear-flag.js

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// Copyright 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax
// Flags: --no-enable-experimental-regexp-engine
// We shouldn't recognize the 'l' flag.
assertThrows(() => new RegExp("asdf", "l"), SyntaxError)
assertThrows(() => new RegExp("123|xyz", "l"), SyntaxError)
assertThrows(() => new RegExp("((a*)*)*", "yls"), SyntaxError)
assertThrows(() => new RegExp("((a*)*)*\1", "l"), SyntaxError)
// RegExps shouldn't have a 'linear' property.
assertFalse(RegExp.prototype.hasOwnProperty('linear'));
assertFalse(/123/.hasOwnProperty('linear'));
{
let re = /./;
re.linear = true;
assertEquals("", re.flags);
}