JSTests/test262/test/language/expressions/unary-minus/S11.4.7_A2.2_T1.js

// Copyright 2009 the Sputnik authors.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
info: Operator -x uses [[Default Value]]
es5id: 11.4.7_A2.2_T1
description: If Type(value) is Object, evaluate ToPrimitive(value, Number)
---*/

//CHECK#1
var object = {valueOf: function() {return -1}};
if (-object !== 1) {
  throw new Test262Error('#1: var object = {valueOf: function() {return -1}}; -object === 1. Actual: ' + (-object));
}

//CHECK#2
var object = {valueOf: function() {return -1}, toString: function() {return 0}};
if (-object !== 1) {
  throw new Test262Error('#2: var object = {valueOf: function() {return -1}, toString: function() {return 0}}; -object === 1. Actual: ' + (-object));
} 

//CHECK#3
var object = {valueOf: function() {return -1}, toString: function() {return {}}};
if (-object !== 1) {
  throw new Test262Error('#3: var object = {valueOf: function() {return -1}, toString: function() {return {}}}; -object === 1. Actual: ' + (-object));
}

//CHECK#4
try {
  var object = {valueOf: function() {return -1}, toString: function() {throw "error"}};
  if (-object !== 1) {
    throw new Test262Error('#4.1: var object = {valueOf: function() {return -1}, toString: function() {throw "error"}}; -object === 1. Actual: ' + (-object));
  }
}
catch (e) {
  if (e === "error") {
    throw new Test262Error('#4.2: var object = {valueOf: function() {return -1}, toString: function() {throw "error"}}; -object not throw "error"');
  } else {
    throw new Test262Error('#4.3: var object = {valueOf: function() {return -1}, toString: function() {throw "error"}}; -object not throw Error. Actual: ' + (e));
  }
}

//CHECK#5
var object = {toString: function() {return -1}};
if (-object !== 1) {
  throw new Test262Error('#5.1: var object = {toString: function() {return -1}}; -object === 1. Actual: ' + (-object));
}

//CHECK#6
var object = {valueOf: function() {return {}}, toString: function() {return -1}}
if (-object !== 1) {
  throw new Test262Error('#6: var object = {valueOf: function() {return {}}, toString: function() {return -1}}; -object === 1. Actual: ' + (-object));
}

//CHECK#7
try {
  var object = {valueOf: function() {throw "error"}, toString: function() {return -1}};
  -object;
  throw new Test262Error('#7.1: var object = {valueOf: function() {throw "error"}, toString: function() {return -1}}; -object throw "error". Actual: ' + (-object));
}  
catch (e) {
  if (e !== "error") {
    throw new Test262Error('#7.2: var object = {valueOf: function() {throw "error"}, toString: function() {return -1}}; -object throw "error". Actual: ' + (e));
  } 
}

//CHECK#8
try {
  var object = {valueOf: function() {return {}}, toString: function() {return {}}};
  -object;
  throw new Test262Error('#8.1: var object = {valueOf: function() {return {}}, toString: function() {return {}}}; -object throw TypeError. Actual: ' + (-object));
}  
catch (e) {
  if ((e instanceof TypeError) !== true) {
    throw new Test262Error('#8.2: var object = {valueOf: function() {return {}}, toString: function() {return {}}}; -object throw TypeError. Actual: ' + (e));
  } 
}