v8/test/mjsunit/es6/unicode-regexp-last-index.js
Adam Klein d42534d441 Remove always-on flags for RegExp dotAll and lookbehind
Both of these features were shipped in Chrome 62.

Bug: v8:4545, v8:6172
Cq-Include-Trybots: master.tryserver.v8:v8_linux_noi18n_rel_ng
Change-Id: Ie00dcbeded7517a15696d4a78fcfbbf162919923
Reviewed-on: https://chromium-review.googlesource.com/775601
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Adam Klein <adamk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49453}
2017-11-17 16:47:19 +00:00

103 lines
3.4 KiB
JavaScript

// Copyright 2016 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.
var r = /./ug;
assertEquals(["\ud800\udc00"], r.exec("\ud800\udc00\ud801\udc01"));
assertEquals(2, r.lastIndex);
r.lastIndex = 1;
assertEquals(["\ud800\udc00"], r.exec("\ud800\udc00\ud801\udc01"));
assertEquals(2, r.lastIndex);
assertEquals(["\ud801\udc01"], r.exec("\ud800\udc00\ud801\udc01"));
r.lastIndex = 3;
assertEquals(["\ud801\udc01"], r.exec("\ud800\udc00\ud801\udc01"));
assertEquals(4, r.lastIndex);
r.lastIndex = 4;
assertNull(r.exec("\ud800\udc00\ud801\udc01"));
assertEquals(0, r.lastIndex);
r.lastIndex = 5;
assertNull(r.exec("\ud800\udc00\ud801\udc01"));
assertEquals(0, r.lastIndex);
r.lastIndex = 3;
assertEquals(["\ud802"], r.exec("\ud800\udc00\ud801\ud802"));
r.lastIndex = 4;
assertNull(r.exec("\ud800\udc00\ud801\ud802"));
r = /./g;
assertEquals(["\ud800"], r.exec("\ud800\udc00\ud801\udc01"));
assertEquals(1, r.lastIndex);
assertEquals(["\udc00"], r.exec("\ud800\udc00\ud801\udc01"));
assertEquals(2, r.lastIndex);
assertEquals(["\ud801"], r.exec("\ud800\udc00\ud801\udc01"));
assertEquals(3, r.lastIndex);
assertEquals(["\udc01"], r.exec("\ud800\udc00\ud801\udc01"));
assertEquals(4, r.lastIndex);
assertNull(r.exec("\ud800\udc00\ud801\udc01"));
assertEquals(0, r.lastIndex);
r.lastIndex = 1;
assertEquals(["\udc00"], r.exec("\ud800\udc00\ud801\udc01"));
assertEquals(2, r.lastIndex);
// ------------------------
r = /^./ug;
assertEquals(["\ud800\udc00"], r.exec("\ud800\udc00\ud801\udc01"));
assertEquals(2, r.lastIndex);
r.lastIndex = 1;
assertEquals(["\ud800\udc00"], r.exec("\ud800\udc00\ud801\udc01"));
assertEquals(2, r.lastIndex);
assertNull(r.exec("\ud800\udc00\ud801\udc01"));
assertEquals(0, r.lastIndex);
r.lastIndex = 3;
assertNull(r.exec("\ud800\udc00\ud801\udc01"));
assertEquals(0, r.lastIndex);
r.lastIndex = 4;
assertNull(r.exec("\ud800\udc00\ud801\udc01"));
assertEquals(0, r.lastIndex);
r.lastIndex = 5;
assertNull(r.exec("\ud800\udc00\ud801\udc01"));
assertEquals(0, r.lastIndex);
r = /^./g;
assertEquals(["\ud800"], r.exec("\ud800\udc00\ud801\udc01"));
assertEquals(1, r.lastIndex);
assertNull(r.exec("\ud800\udc00\ud801\udc01"));
assertEquals(0, r.lastIndex);
r.lastIndex = 3;
assertNull(r.exec("\ud800\udc00\ud801\udc01"));
assertEquals(0, r.lastIndex);
//------------------------
r = /(?:(^.)|.)/ug;
assertEquals(["\ud800\udc00", "\ud800\udc00"],
r.exec("\ud800\udc00\ud801\udc01"));
assertEquals(2, r.lastIndex);
r.lastIndex = 1;
assertEquals(["\ud800\udc00", "\ud800\udc00"],
r.exec("\ud800\udc00\ud801\udc01"));
assertEquals(2, r.lastIndex);
assertEquals(["\ud801\udc01", undefined], r.exec("\ud800\udc00\ud801\udc01"));
r.lastIndex = 3;
assertEquals(["\ud801\udc01", undefined], r.exec("\ud800\udc00\ud801\udc01"));
r.lastIndex = 4;
assertNull(r.exec("\ud800\udc00\ud801\udc01"));
r.lastIndex = 5;
assertNull(r.exec("\ud800\udc00\ud801\udc01"));
r.lastIndex = 3;
assertEquals(["\ud802", undefined], r.exec("\ud800\udc00\ud801\ud802"));
r.lastIndex = 4;
assertNull(r.exec("\ud800\udc00\ud801\ud802"));
r = /(?:(^.)|.)/g;
assertEquals(["\ud800", "\ud800"],
r.exec("\ud800\udc00\ud801\udc01"));
assertEquals(1, r.lastIndex);
assertEquals(["\udc00", undefined], r.exec("\ud800\udc00\ud801\udc01"));
assertEquals(2, r.lastIndex);
r.lastIndex = 3;
assertEquals(["\udc01", undefined], r.exec("\ud800\udc00\ud801\udc01"));
assertEquals(4, r.lastIndex);