tor-browser

The Tor Browser
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capability-executor-called-twice.js (2932B)

      1 // Copyright (C) 2015 André Bargull. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 
      4 /*---
      5 es6id: 25.4.4.3
      6 description: >
      7  Throws a TypeError if capabilities executor already called with non-undefined values.
      8 info: |
      9  Promise.race ( iterable )
     10 
     11  ...
     12  6. Let promiseCapability be NewPromiseCapability(C).
     13  7. ReturnIfAbrupt(promiseCapability).
     14  ...
     15 
     16  25.4.1.5.1 GetCapabilitiesExecutor Functions
     17    ...
     18    3. If promiseCapability.[[Resolve]] is not undefined, throw a TypeError exception.
     19    4. If promiseCapability.[[Reject]] is not undefined, throw a TypeError exception.
     20    5. Set promiseCapability.[[Resolve]] to resolve.
     21    6. Set promiseCapability.[[Reject]] to reject.
     22    ...
     23 ---*/
     24 
     25 var checkPoint = "";
     26 function fn1(executor) {
     27  checkPoint += "a";
     28  executor();
     29  checkPoint += "b";
     30  executor(function() {}, function() {});
     31  checkPoint += "c";
     32 }
     33 fn1.resolve = function() {
     34  throw new Test262Error();
     35 };
     36 Promise.race.call(fn1 , []);
     37 assert.sameValue(checkPoint, "abc", "executor initially called with no arguments");
     38 
     39 checkPoint = "";
     40 function fn2(executor) {
     41  checkPoint += "a";
     42  executor(undefined, undefined);
     43  checkPoint += "b";
     44  executor(function() {}, function() {});
     45  checkPoint += "c";
     46 }
     47 fn2.resolve = function() {
     48  throw new Test262Error();
     49 };
     50 Promise.race.call(fn2 , []);
     51 assert.sameValue(checkPoint, "abc", "executor initially called with (undefined, undefined)");
     52 
     53 checkPoint = "";
     54 function fn3(executor) {
     55  checkPoint += "a";
     56  executor(undefined, function() {});
     57  checkPoint += "b";
     58  executor(function() {}, function() {});
     59  checkPoint += "c";
     60 }
     61 Object.defineProperty(fn3, "resolve", {
     62  get() { throw new Test262Error(); }
     63 });
     64 assert.throws(TypeError, function() {
     65  Promise.race.call(fn3 , []);
     66 }, "executor initially called with (undefined, function)");
     67 assert.sameValue(checkPoint, "ab", "executor initially called with (undefined, function)");
     68 
     69 checkPoint = "";
     70 function fn4(executor) {
     71  checkPoint += "a";
     72  executor(function() {}, undefined);
     73  checkPoint += "b";
     74  executor(function() {}, function() {});
     75  checkPoint += "c";
     76 }
     77 Object.defineProperty(fn4, "resolve", {
     78  get() { throw new Test262Error(); }
     79 });
     80 assert.throws(TypeError, function() {
     81  Promise.race.call(fn4 , []);
     82 }, "executor initially called with (function, undefined)");
     83 assert.sameValue(checkPoint, "ab", "executor initially called with (function, undefined)");
     84 
     85 checkPoint = "";
     86 function fn5(executor) {
     87  checkPoint += "a";
     88  executor("invalid value", 123);
     89  checkPoint += "b";
     90  executor(function() {}, function() {});
     91  checkPoint += "c";
     92 }
     93 Object.defineProperty(fn5, "resolve", {
     94  get() { throw new Test262Error(); }
     95 });
     96 assert.throws(TypeError, function() {
     97  Promise.race.call(fn5 , []);
     98 }, "executor initially called with (String, Number)");
     99 assert.sameValue(checkPoint, "ab", "executor initially called with (String, Number)");
    100 
    101 reportCompare(0, 0);