// Copyright 2012 Google Inc.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/**
 * @description Tests that Intl.NumberFormat.prototype.format
 * handles NaN, Infinity, and -Infinity properly.
 * @author: Roozbeh Pournader
 */

// FIXME: We are only listing Numeric_Type=Decimal. May need to add more
// when the spec clarifies. Current as of Unicode 6.1.
var hasUnicodeDigits = new RegExp('.*([' +
    '0-9\u0660-\u0669\u06F0-\u06F9\u07C0-\u07C9\u0966-\u096F' +
    '\u09E6-\u09EF\u0A66-\u0A6F\u0AE6-\u0AEF\u0B66-\u0B6F\u0BE6-\u0BEF' +
    '\u0C66-\u0C6F\u0CE6-\u0CEF\u0D66-\u0D6F\u0E50-\u0E59\u0ED0-\u0ED9' +
    '\u0F20-\u0F29\u1040-\u1049\u1090-\u1099\u17E0-\u17E9\u1810-\u1819' +
    '\u1946-\u194F\u19D0-\u19D9\u1A80-\u1A89\u1A90-\u1A99\u1B50-\u1B59' +
    '\u1BB0-\u1BB9\u1C40-\u1C49\u1C50-\u1C59\uA620-\uA629\uA8D0-\uA8D9' +
    '\uA900-\uA909\uA9D0-\uA9D9\uAA50-\uAA59\uABF0-\uABF9\uFF10-\uFF19' +
    ']|' +
    '\uD801[\uDCA0-\uDCA9]|' +
    '\uD804[\uDC66-\uDC6F\uDCF0-\uDCF9\uDD36-\uDD3F\uDDD0-\uDDD9]|' +
    '\uD805[\uDEC0-\uDEC9]|' +
    '\uD835[\uDFCE-\uDFFF])');

var formatter = new Intl.NumberFormat();
var formattedNaN = formatter.format(NaN);
var formattedInfinity = formatter.format(Infinity);
var formattedNegativeInfinity = formatter.format(-Infinity);

if (formattedNaN === formattedInfinity) {
    $ERROR('Intl.NumberFormat formats NaN and Infinity the ' +
        'same way.');
}

if (formattedNaN === formattedNegativeInfinity) {
    $ERROR('Intl.NumberFormat formats NaN and negative ' +
        'Infinity the same way.');
}

if (formattedInfinity === formattedNegativeInfinity) {
    $ERROR('Intl.NumberFormat formats Infinity and ' +
        'negative Infinity the same way.');
}

if (hasUnicodeDigits.test(formattedNaN)) {
    $ERROR('Intl.NumberFormat formats NaN using a digit.');
}

if (hasUnicodeDigits.test(formattedInfinity)) {
    $ERROR('Intl.NumberFormat formats Infinity using a ' +
        'digit.');
}

if (hasUnicodeDigits.test(formattedNegativeInfinity)) {
    $ERROR('Intl.NumberFormat formats negative Infinity ' + 
        'using a digit.');
}