tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

overriden-arg-length.js (2199B)

      1 // Copyright 2016 Mozilla Corporation. All rights reserved.
      2 // This code is governed by the license found in the LICENSE file.
      3 
      4 /*---
      5 esid: sec-intl.getcanonicallocales
      6 description: Test Intl.getCanonicalLocales for step 5. 
      7 info: |
      8  9.2.1 CanonicalizeLocaleList (locales)
      9    5. Let len be ? ToLength(? Get(O, "length")).
     10 includes: [compareArray.js]
     11 features: [Symbol]
     12 ---*/
     13 
     14 var locales = {
     15  '0': 'en-US',
     16 };
     17 
     18 Object.defineProperty(locales, "length", {
     19  get: function() { throw new Test262Error() }
     20 });
     21 
     22 assert.throws(Test262Error, function() {
     23  Intl.getCanonicalLocales(locales);
     24 }, "should throw if locales.length throws");
     25 
     26 var locales = {
     27  '0': 'en-US',
     28  '1': 'pt-BR',
     29 };
     30 
     31 Object.defineProperty(locales, "length", {
     32  get: function() { return "1" }
     33 });
     34 
     35 assert.compareArray(
     36  Intl.getCanonicalLocales(locales),
     37  ['en-US'],
     38  "should return one element if locales.length is '1'"
     39 );
     40 
     41 var locales = {
     42  '0': 'en-US',
     43  '1': 'pt-BR',
     44 };
     45 
     46 Object.defineProperty(locales, "length", {
     47  get: function() { return 1.3 }
     48 });
     49 
     50 assert.compareArray(
     51  Intl.getCanonicalLocales(locales),
     52  ['en-US'],
     53  "should return one element if locales.length is 1.3"
     54 );
     55 
     56 var locales = {
     57  '0': 'en-US',
     58  '1': 'pt-BR',
     59 };
     60 
     61 Object.defineProperty(locales, "length", {
     62  get: function() { return Symbol("1.8") }
     63 });
     64 
     65 assert.throws(TypeError, function() {
     66  Intl.getCanonicalLocales(locales);
     67 }, "should throw if locales.length is a Symbol");
     68 
     69 var locales = {
     70  '0': 'en-US',
     71  '1': 'pt-BR',
     72 };
     73 
     74 Object.defineProperty(locales, "length", {
     75  get: function() { return -Infinity }
     76 });
     77 
     78 assert.compareArray(
     79  Intl.getCanonicalLocales(locales),
     80  [],
     81  "should return empty array if locales.length is -Infinity"
     82 );
     83 
     84 var locales = {
     85  length: -Math.pow(2, 32) + 1
     86 };
     87 
     88 Object.defineProperty(locales, "0", {
     89  get: function() { throw new Error("must not be gotten!"); }
     90 })
     91 
     92 assert.compareArray(
     93  Intl.getCanonicalLocales(locales),
     94  [],
     95  "should return empty array if locales.length is a negative value"
     96 );
     97 
     98 var count = 0;
     99 var locs = { get length() { if (count++ > 0) throw 42; return 0; } };
    100 var locales = Intl.getCanonicalLocales(locs); // shouldn't throw 42
    101 assert.sameValue(locales.length, 0);
    102 
    103 reportCompare(0, 0);