Home | History | Annotate | Download | only in mjsunit
      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,
     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 // Test that exceptions are not thrown when setting properties on object
     29 // that have only a getter in a prototype object, except when we are in strict
     30 // mode where exceptsions should be thrown.
     31 
     32 var o = {};
     33 var p = {};
     34 p.__defineGetter__('x', function(){});
     35 p.__defineGetter__(0, function(){});
     36 o.__proto__ = p;
     37 
     38 assertDoesNotThrow("o.x = 42");
     39 assertDoesNotThrow("o[0] = 42");
     40 
     41 assertThrows(function() { 'use strict'; o.x = 42; });
     42 assertThrows(function() { 'use strict'; o[0] = 42; });
     43 
     44 function f() {
     45   with(o) {
     46     x = 42;
     47   }
     48 }
     49 
     50 assertDoesNotThrow(f);
     51 
     52 __proto__ = p;
     53 function g() {
     54   eval('1');
     55   x = 42;
     56 }
     57 
     58 function g_strict() {
     59   'use strict';
     60   eval('1');
     61   x = 42;
     62 }
     63 
     64 assertDoesNotThrow(g);
     65 assertThrows(g_strict);
     66 
     67 __proto__ = p;
     68 function g2() {
     69   this[0] = 42;
     70 }
     71 
     72 function g2_strict() {
     73   'use strict';
     74   this[0] = 42;
     75 }
     76 
     77 assertDoesNotThrow(g2);
     78 assertThrows(g2_strict);
     79