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      1 // Copyright 2011 the V8 project authors. All rights reserved.
      2 // Redistribution and use in source and binary forms, with or without
      3 // modification, are permitted provided that the following conditions are
      4 // met:
      5 //
      6 //     * Redistributions of source code must retain the above copyright
      7 //       notice, this list of conditions and the following disclaimer.
      8 //     * Redistributions in binary form must reproduce the above
      9 //       copyright notice, this list of conditions and the following
     10 //       disclaimer in the documentation and/or other materials provided
     11 //       with the distribution.
     12 //     * Neither the name of Google Inc. nor the names of its
     13 //       contributors may be used to endorse or promote products derived
     14 //       from this software without specific prior written permission.
     15 //
     16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 
     28 // Check that RegExp.prototype is itself a RegExp object.
     29 
     30 var proto = RegExp.prototype;
     31 assertEquals("[object RegExp]", Object.prototype.toString.call(proto));
     32 
     33 assertEquals("(?:)", proto.source);
     34 assertEquals(false, proto.global);
     35 assertEquals(false, proto.multiline);
     36 assertEquals(false, proto.ignoreCase);
     37 assertEquals(0, proto.lastIndex);
     38 
     39 assertEquals("/(?:)/", proto.toString());
     40 
     41 var execResult = proto.exec("argle");
     42 assertEquals(1, execResult.length);
     43 assertEquals("", execResult[0]);
     44 assertEquals("argle", execResult.input);
     45 assertEquals(0, execResult.index);
     46 
     47 assertTrue(proto.test("argle"));
     48 
     49 // We disallow re-compiling the RegExp.prototype object.
     50 assertThrows(function(){ proto.compile("something"); }, TypeError);
     51