src/v8/test/mjsunit/outobject-double-for-in.js

// Copyright 2012 the V8 project authors. All rights reserved.
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// modification, are permitted provided that the following conditions are
// met:
//
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//       with the distribution.
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// Flags: --allow-natives-syntax

function DoubleContainer() {
  this.x0 = 0.5;
  this.x1 = undefined;
  this.x2 = undefined;
  this.x3 = undefined;
  this.x4 = undefined;
  this.x5 = undefined;
  this.x6 = undefined;
  this.x7 = 5;
  this.x8 = undefined;
  this.x9 = undefined;
  this.x10 = undefined;
  this.x11 = undefined;
  this.x12 = undefined;
  this.x13 = undefined;
  this.x14 = undefined;
  this.x15 = undefined;
  this.x16 = true;
  this.y = 2.5;
}

var z = new DoubleContainer();

function test_props(a) {
  for (var i in a) {
    assertTrue(i !== "x0" || a[i] === 0.5);
    assertTrue(i !== "y" || a[i] === 2.5);
    assertTrue(i !== "x12" || a[i] === undefined);
    assertTrue(i !== "x16" || a[i] === true);
    assertTrue(i !== "x7" || a[i] === 5);
  }
}

test_props(z);
test_props(z);
%OptimizeFunctionOnNextCall(test_props);
test_props(z);