tor-browser

The Tor Browser
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capability-executor-called-twice.js (3074B)

      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 esid: sec-promise.all
      6 description: >
      7  Throws a TypeError if capabilities executor already called with non-undefined values.
      8 info: |
      9  Promise.all ( iterable )
     10 
     11  ...
     12  6. Let promiseCapability be NewPromiseCapability(C).
     13  7. ReturnIfAbrupt(promiseCapability).
     14  ...
     15 
     16  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  PerformPromiseAll ( iteratorRecord, constructor, resultCapability )
     25 
     26  ...
     27  1. Let promiseResolve be ? Get(constructor, `"resolve"`).
     28  1. If IsCallable(promiseResolve) is *false*, throw a *TypeError* exception.
     29  ...
     30 ---*/
     31 
     32 var checkPoint = "";
     33 function fn1(executor) {
     34  checkPoint += "a";
     35  executor();
     36  checkPoint += "b";
     37  executor(function() {}, function() {});
     38  checkPoint += "c";
     39 }
     40 fn1.resolve = function() {};
     41 Promise.all.call(fn1, []);
     42 assert.sameValue(checkPoint, "abc", "executor initially called with no arguments");
     43 
     44 checkPoint = "";
     45 function fn2(executor) {
     46  checkPoint += "a";
     47  executor(undefined, undefined);
     48  checkPoint += "b";
     49  executor(function() {}, function() {});
     50  checkPoint += "c";
     51 }
     52 fn2.resolve = function() {};
     53 Promise.all.call(fn2, []);
     54 assert.sameValue(checkPoint, "abc", "executor initially called with (undefined, undefined)");
     55 
     56 checkPoint = "";
     57 function fn3(executor) {
     58  checkPoint += "a";
     59  executor(undefined, function() {});
     60  checkPoint += "b";
     61  executor(function() {}, function() {});
     62  checkPoint += "c";
     63 }
     64 Object.defineProperty(fn3, 'resolve', {
     65  get() { throw new Test262Error; }
     66 });
     67 assert.throws(TypeError, function() {
     68  Promise.all.call(fn3, []);
     69 }, "executor initially called with (undefined, function)");
     70 assert.sameValue(checkPoint, "ab", "executor initially called with (undefined, function)");
     71 
     72 checkPoint = "";
     73 function fn4(executor) {
     74  checkPoint += "a";
     75  executor(function() {}, undefined);
     76  checkPoint += "b";
     77  executor(function() {}, function() {});
     78  checkPoint += "c";
     79 }
     80 Object.defineProperty(fn4, 'resolve', {
     81  get() { throw new Test262Error; }
     82 });
     83 assert.throws(TypeError, function() {
     84  Promise.all.call(fn4, []);
     85 }, "executor initially called with (function, undefined)");
     86 assert.sameValue(checkPoint, "ab", "executor initially called with (function, undefined)");
     87 
     88 checkPoint = "";
     89 function fn5(executor) {
     90  checkPoint += "a";
     91  executor("invalid value", 123);
     92  checkPoint += "b";
     93  executor(function() {}, function() {});
     94  checkPoint += "c";
     95 }
     96 Object.defineProperty(fn5, 'resolve', {
     97  get() { throw new Test262Error; }
     98 });
     99 assert.throws(TypeError, function() {
    100  Promise.all.call(fn5, []);
    101 }, "executor initially called with (String, Number)");
    102 assert.sameValue(checkPoint, "ab", "executor initially called with (String, Number)");
    103 
    104 reportCompare(0, 0);