Javascript  |  109行  |  2.86 KB

// Copyright 2010 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
//       copyright notice, this list of conditions and the following
//       disclaimer in the documentation and/or other materials provided
//       with the distribution.
//     * Neither the name of Google Inc. nor the names of its
//       contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

var x = {};

// Add property a with getter/setter.
x.__defineGetter__("a", function() {
  try {
    y.x = 40;
  } catch (e) {
    assertEquals(3, e.stack.split('\n').length);
  }
  return 40;
});

x.__defineSetter__("a", function(val) {
  try {
    y.x = 40;
  } catch(e) {
    assertEquals(3, e.stack.split('\n').length);
  }
});

// Add property b with getter/setter.
function getB() {
  try {
    y.x = 30;
  } catch (e) {
    assertEquals(3, e.stack.split('\n').length);
  }
  return 30;
}

function setB(val) {
  try {
    y.x = 30;
  } catch(e) {
    assertEquals(3, e.stack.split('\n').length);
  }
}

x.__defineGetter__("b", getB);
x.__defineSetter__("b", setB);

// Add property c with getter/setter.
var descriptor  = {
  get: function() {
    try {
      y.x = 40;
    } catch (e) {
      assertEquals(3, e.stack.split('\n').length);
    }
    return 40;
  },
  set: function(val) {
    try {
      y.x = 40;
    } catch(e) {
      assertEquals(3, e.stack.split('\n').length);
    }
  }
}

Object.defineProperty(x, 'c', descriptor)

// Check that the stack for an exception in a getter and setter produce the
// expected stack height.
x.a;
x.b;
x.c;
x.a = 1;
x.b = 1;
x.c = 1;

// Do the same with the getters/setters on the a prototype object.
xx = {}
xx.__proto__ = x

xx.a;
xx.b;
xx.c;
xx.a = 1;
xx.b = 1;
xx.c = 1;