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      1 // Copyright 2014 the V8 project authors. All rights reserved.
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      3 // modification, are permitted provided that the following conditions are
      4 // met:
      5 //
      6 //     * Redistributions of source code must retain the above copyright
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      8 //     * Redistributions in binary form must reproduce the above
      9 //       copyright notice, this list of conditions and the following
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     11 //       with the distribution.
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     13 //       contributors may be used to endorse or promote products derived
     14 //       from this software without specific prior written permission.
     15 //
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     17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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     26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 
     28 // When calling user-defined accessors on strings, booleans or
     29 // numbers, we should create a wrapper object in sloppy mode.
     30 
     31 // Flags: --allow-natives-syntax
     32 
     33 function test(object, prototype) {
     34   var result;
     35   Object.defineProperty(prototype, "nonstrict", {
     36     get: function() { result = this; },
     37     set: function(v) { result = this; }
     38   });
     39   Object.defineProperty(prototype, "strict", {
     40     get: function() { "use strict"; result = this; },
     41     set: function(v) { "use strict"; result = this; }
     42   });
     43 
     44   (function() {
     45     function nonstrict(s) {
     46       return s.nonstrict;
     47     }
     48     function strict(s) {
     49       return s.strict;
     50     }
     51 
     52     nonstrict(object);
     53     nonstrict(object);
     54     %OptimizeFunctionOnNextCall(nonstrict);
     55     result = undefined;
     56     nonstrict(object);
     57     assertEquals("object", typeof result);
     58 
     59     strict(object);
     60     strict(object);
     61     %OptimizeFunctionOnNextCall(strict);
     62     result = undefined;
     63     strict(object);
     64     assertEquals(typeof object, typeof result);
     65   })();
     66 
     67   (function() {
     68     function nonstrict(s) {
     69       return s.nonstrict = 10;
     70     }
     71     function strict(s) {
     72       return s.strict = 10;
     73     }
     74 
     75     nonstrict(object);
     76     nonstrict(object);
     77     %OptimizeFunctionOnNextCall(nonstrict);
     78     result = undefined;
     79     nonstrict(object);
     80     assertEquals("object", typeof result);
     81 
     82     strict(object);
     83     strict(object);
     84     %OptimizeFunctionOnNextCall(strict);
     85     result = undefined;
     86     strict(object);
     87     assertEquals(object, result);
     88   })();
     89 }
     90 
     91 test(1, Number.prototype);
     92 test("string", String.prototype);
     93 test(true, Boolean.prototype);
     94