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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 // See: http://code.google.com/p/v8/issues/detail?id=1365
     29 
     30 // Check that builtin methods are passed undefined as the receiver
     31 // when called as functions through variables.
     32 
     33 // Flags: --allow-natives-syntax
     34 
     35 // Global variable.
     36 var valueOf = Object.prototype.valueOf;
     37 var hasOwnProperty = Object.prototype.hasOwnProperty;
     38 
     39 function callGlobalValueOf() { valueOf(); }
     40 function callGlobalHasOwnProperty() { valueOf(); }
     41 
     42 assertEquals(Object.prototype, Object.prototype.valueOf());
     43 assertThrows(callGlobalValueOf);
     44 assertThrows(callGlobalHasOwnProperty);
     45 
     46 %OptimizeFunctionOnNextCall(Object.prototype.valueOf);
     47 Object.prototype.valueOf();
     48 
     49 assertEquals(Object.prototype, Object.prototype.valueOf());
     50 assertThrows(callGlobalValueOf);
     51 assertThrows(callGlobalHasOwnProperty);
     52 
     53 function CheckExceptionCallLocal() {
     54   var valueOf = Object.prototype.valueOf;
     55   var hasOwnProperty = Object.prototype.hasOwnProperty;
     56   var exception = false;
     57   try { valueOf(); } catch(e) { exception = true; }
     58   assertTrue(exception);
     59   exception = false;
     60   try { hasOwnProperty(); } catch(e) { exception = true; }
     61   assertTrue(exception);
     62 }
     63 CheckExceptionCallLocal();
     64 
     65 function CheckExceptionCallParameter(f) {
     66   var exception = false;
     67   try { f(); } catch(e) { exception = true; }
     68   assertTrue(exception);
     69 }
     70 CheckExceptionCallParameter(Object.prototype.valueOf);
     71 CheckExceptionCallParameter(Object.prototype.hasOwnProperty);
     72 
     73 function CheckPotentiallyShadowedByEval() {
     74   var exception = false;
     75   try {
     76     eval("hasOwnProperty('x')");
     77   } catch(e) {
     78     exception = true;
     79   }
     80   assertTrue(exception);
     81 }
     82 CheckPotentiallyShadowedByEval();
     83