v8/test/mjsunit/regress/regress-3229.js
yangguo bbb2159d4c [regexp] Fix regexp source escaping with preceding backslashes.
R=franzih@chromium.org
BUG=chromium:515897

Review-Url: https://codereview.chromium.org/2137033002
Cr-Commit-Position: refs/heads/master@{#37664}
2016-07-12 05:36:17 +00:00

26 lines
801 B
JavaScript

// Copyright 2014 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.
// Escape '/'.
function testEscapes(expected, regexp) {
assertEquals(expected, regexp.source);
assertEquals("/" + expected + "/", regexp.toString());
}
testEscapes("\\/", /\//);
testEscapes("\\/\\/", /\/\//);
testEscapes("\\/", new RegExp("/"));
testEscapes("\\/", new RegExp("\\/"));
testEscapes("\\\\\\/", new RegExp("\\\\/"));
testEscapes("\\/\\/", new RegExp("\\/\\/"));
testEscapes("\\/\\/\\/\\/", new RegExp("////"));
testEscapes("\\/\\/\\/\\/", new RegExp("\\//\\//"));
testEscapes("(?:)", new RegExp(""));
// Read-only property.
var r = /\/\//;
testEscapes("\\/\\/", r);
r.source = "garbage";
testEscapes("\\/\\/", r);