1 /*
   2  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * JDK-8023531: new RegExp('').toString() should return '/(?:)/'
  26  *
  27  * @test
  28  * @run
  29  */
  30 
  31 if (new RegExp("").toString() !== "/(?:)/") {
  32     throw new Error();
  33 } else if (!(new RegExp("").test(""))) {
  34     throw new Error();
  35 }
  36 
  37 if (new RegExp("", "g").toString() !== "/(?:)/g") {
  38     throw new Error();
  39 } else if (!(new RegExp("", "g").test(""))) {
  40     throw new Error();
  41 }
  42 
  43 if (new RegExp("", "i").toString() !== "/(?:)/i") {
  44     throw new Error();
  45 } else if (!(new RegExp("", "i").test(""))) {
  46     throw new Error();
  47 }
  48 
  49 if (new RegExp("", "m").toString() !== "/(?:)/m") {
  50     throw new Error();
  51 } else if (!(new RegExp("", "m").test(""))) {
  52     throw new Error();
  53 }
  54 
  55 if (RegExp("").toString() !== "/(?:)/") {
  56     throw new Error();
  57 } else if (!RegExp("").test("")) {
  58     throw new Error();
  59 }
  60 
  61 if (RegExp("", "g").toString() !== "/(?:)/g") {
  62     throw new Error();
  63 } else if (!RegExp("", "g").test("")) {
  64     throw new Error();
  65 }
  66 
  67 if (RegExp("", "i").toString() !== "/(?:)/i") {
  68     throw new Error();
  69 } else if (!RegExp("", "i").test("")) {
  70     throw new Error();
  71 }
  72 
  73 if (RegExp("", "m").toString() !== "/(?:)/m") {
  74     throw new Error();
  75 } else if (!RegExp("", "m").test("")) {
  76     throw new Error();
  77 }
  78 
  79 var re = /abc/;
  80 re.compile("");
  81 if (re.toString() !== "/(?:)/") {
  82     throw new Error();
  83 } else if (!re.test("")) {
  84     throw new Error();
  85 }
  86 
  87 re.compile("", "g");
  88 if (re.toString() !== "/(?:)/g") {
  89     throw new Error();
  90 } else if (!re.test("")) {
  91     throw new Error();
  92 }
  93 
  94 re.compile("", "i");
  95 if (re.toString() !== "/(?:)/i") {
  96     throw new Error();
  97 } else if (!re.test("")) {
  98     throw new Error();
  99 }
 100 
 101 re.compile("", "m");
 102 if (re.toString() !== "/(?:)/m") {
 103     throw new Error();
 104 } else if (!re.test("")) {
 105     throw new Error();
 106 }