tor-browser

The Tor Browser
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capability-executor-not-callable.js (2749B)

      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 either resolve or reject capability is not callable.
      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 NewPromiseCapability ( C )
     17    ...
     18    4. Let executor be a new built-in function object as defined in GetCapabilitiesExecutor Functions (25.4.1.5.1).
     19    5. Set the [[Capability]] internal slot of executor to promiseCapability.
     20    6. Let promise be Construct(C, «executor»).
     21    7. ReturnIfAbrupt(promise).
     22    8. If IsCallable(promiseCapability.[[Resolve]]) is false, throw a TypeError exception.
     23    9. If IsCallable(promiseCapability.[[Reject]]) is false, throw a TypeError exception.
     24    ...
     25 ---*/
     26 
     27 var checkPoint = "";
     28 assert.throws(TypeError, function() {
     29  Promise.race.call(function(executor) {
     30    checkPoint += "a";
     31  }, []);
     32 }, "executor not called at all");
     33 assert.sameValue(checkPoint, "a", "executor not called at all");
     34 
     35 var checkPoint = "";
     36 assert.throws(TypeError, function() {
     37  Promise.race.call(function(executor) {
     38    checkPoint += "a";
     39    executor();
     40    checkPoint += "b";
     41  }, []);
     42 }, "executor called with no arguments");
     43 assert.sameValue(checkPoint, "ab", "executor called with no arguments");
     44 
     45 var checkPoint = "";
     46 assert.throws(TypeError, function() {
     47  Promise.race.call(function(executor) {
     48    checkPoint += "a";
     49    executor(undefined, undefined);
     50    checkPoint += "b";
     51  }, []);
     52 }, "executor called with (undefined, undefined)");
     53 assert.sameValue(checkPoint, "ab", "executor called with (undefined, undefined)");
     54 
     55 var checkPoint = "";
     56 assert.throws(TypeError, function() {
     57  Promise.race.call(function(executor) {
     58    checkPoint += "a";
     59    executor(undefined, function() {});
     60    checkPoint += "b";
     61  }, []);
     62 }, "executor called with (undefined, function)");
     63 assert.sameValue(checkPoint, "ab", "executor called with (undefined, function)");
     64 
     65 var checkPoint = "";
     66 assert.throws(TypeError, function() {
     67  Promise.race.call(function(executor) {
     68    checkPoint += "a";
     69    executor(function() {}, undefined);
     70    checkPoint += "b";
     71  }, []);
     72 }, "executor called with (function, undefined)");
     73 assert.sameValue(checkPoint, "ab", "executor called with (function, undefined)");
     74 
     75 var checkPoint = "";
     76 assert.throws(TypeError, function() {
     77  Promise.race.call(function(executor) {
     78    checkPoint += "a";
     79    executor(123, "invalid value");
     80    checkPoint += "b";
     81  }, []);
     82 }, "executor called with (Number, String)");
     83 assert.sameValue(checkPoint, "ab", "executor called with (Number, String)");
     84 
     85 reportCompare(0, 0);