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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 "use strict";
     29 
     30 var code1 = "function f(eval) {}";
     31 var code2 = "function f(a, a) {}";
     32 var code3 = "var x = '\\020;'";
     33 var code4 = "function arguments() {}";
     34 
     35 // Verify the code compiles just fine in non-strict mode
     36 // (using aliased eval to force non-strict mode)
     37 var eval_alias = eval;
     38 
     39 eval_alias(code1);
     40 eval_alias(code2);
     41 eval_alias(code3);
     42 eval_alias(code4);
     43 
     44 function strict1() {
     45   var exception = false;
     46   try {
     47     eval(code1);
     48   } catch (e) {
     49     exception = true;
     50     assertInstanceof(e, SyntaxError);
     51   }
     52   assertTrue(exception);
     53 
     54   function strict2() {
     55     var exception = false;
     56     try {
     57       eval(code2);
     58     } catch (e) {
     59       exception = true;
     60       assertInstanceof(e, SyntaxError);
     61     }
     62     assertTrue(exception);
     63 
     64     function strict3() {
     65       var exception = false;
     66       try {
     67         eval(code3);
     68       } catch (e) {
     69         exception = true;
     70         assertInstanceof(e, SyntaxError);
     71       }
     72       assertTrue(exception);
     73 
     74       function strict4() {
     75         var exception = false;
     76         try {
     77           eval(code4);
     78         } catch (e) {
     79           exception = true;
     80           assertInstanceof(e, SyntaxError);
     81         }
     82         assertTrue(exception);
     83       }
     84       strict4();
     85     }
     86     strict3();
     87   }
     88   strict2();
     89 }
     90 strict1();
     91