// Copyright 2013 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.

// Flags: --allow-natives-syntax

function test(fun, expectation) {
  assertEquals(1, fun(1));
  %OptimizeFunctionOnNextCall(fun);
  assertEquals(expectation, fun(0));
}

test(function(x) {
  var a = x ? true : false;
  return a | 0;
}, 0);

test(function(x) {
  var a = x ? true : true;
  return a | 0;
}, 1);

test(function(x) {
  var a = x ? true : "0";
  return a | 0;
}, 0);

test(function(x) {
  var a = x ? true : "1";
  return a | 0;
}, 1);

test(function(x) {
  var a = x ? true : "-1";
  return a | 0;
}, -1);

test(function(x) {
  var a = x ? true : "-0";
  return a | 0;
}, 0);

test(function(x) {
  var a = x ? true : "0x1234";
  return a | 0;
}, 0x1234);

test(function(x) {
  var a = x ? true : { valueOf: function() { return 2; } };
  return a | 0;
}, 2);

test(function(x) {
  var a = x ? true : undefined;
  return a | 0;
}, 0);

test(function(x) {
  var a = x ? true : null;
  return a | 0;
}, 0);

test(function(x) {
  var a = x ? true : "";
  return a | 0;
}, 0);
