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      1 // Copyright 2009 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,
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     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 what we do if toLocaleString doesn't return a string when we are
     29 // calling Array.prototype.toLocaleString.  The standard is somewhat
     30 // vague on this point.  This test is now passed by both V8 and JSC.
     31 
     32 var evil_called = 0;
     33 var evil_locale_called = 0;
     34 var exception_thrown = 0;
     35 
     36 function evil_to_string() {
     37   evil_called++;
     38   return this;
     39 }
     40 
     41 function evil_to_locale_string() {
     42   evil_locale_called++;
     43   return this;
     44 }
     45 
     46 var o = {toString: evil_to_string, toLocaleString: evil_to_locale_string};
     47 
     48 try {
     49   [o].toLocaleString();
     50 } catch(e) {
     51   exception_thrown++;
     52 }
     53 
     54 assertEquals(1, evil_called, "evil1");
     55 assertEquals(1, evil_locale_called, "local1");
     56 assertEquals(1, exception_thrown, "exception1");
     57 
     58 try {
     59   [o].toString();
     60 } catch(e) {
     61   exception_thrown++;
     62 }
     63 
     64 assertEquals(2, evil_called, "evil2");
     65 assertEquals(1, evil_locale_called, "local2");
     66 assertEquals(2, exception_thrown, "exception2");
     67 
     68 try {
     69   [o].join(o);
     70 } catch(e) {
     71   exception_thrown++;
     72 }
     73 
     74 assertEquals(3, evil_called, "evil3");
     75 assertEquals(1, evil_locale_called, "local3");
     76 assertEquals(3, exception_thrown, "exception3");
     77 print("ok");
     78