tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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nested-async-gen-await-import-defer-specifier-tostring-abrupt-rejects.js (2158B)

      1 // |reftest| skip async -- import-defer is not supported
      2 // This file was procedurally generated from the following sources:
      3 // - src/dynamic-import/import-defer-specifier-tostring-abrupt-rejects.case
      4 // - src/dynamic-import/catch/nested-async-generator-await.template
      5 /*---
      6 description: Abrupt from ToString(specifier) rejects the promise (nested in async generator, awaited)
      7 esid: sec-import-call-runtime-semantics-evaluation
      8 features: [import-defer, dynamic-import, async-iteration]
      9 flags: [generated, async]
     10 info: |
     11    ImportCall :
     12        import( AssignmentExpression )
     13 
     14    1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
     15    2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
     16    3. Let argRef be the result of evaluating AssignmentExpression.
     17    4. Let specifier be ? GetValue(argRef).
     18    5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
     19    6. Let specifierString be ToString(specifier).
     20    7. IfAbruptRejectPromise(specifierString, promiseCapability).
     21    8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
     22    9. Return promiseCapability.[[Promise]].
     23 
     24 
     25    Import Calls
     26 
     27    Runtime Semantics: Evaluation
     28 
     29    ImportCall : import . defer ( |AssignmentExpression| )
     30        1. Return ? EvaluateImportCall(|AssignmentExpression|, ~defer~)
     31 
     32    EvaluateImportCall ( specifierExpression, phase )
     33        1. Let _referrer_ be GetActiveScriptOrModule().
     34        1. If _referrer_ is *null*, set _referrer_ to the current Realm Record.
     35        1. Let _specifierRef_ be ? Evaluation of _specifierExpression_.
     36        1. Let _specifier_ be ? GetValue(_specifierRef_).
     37        1. Let _promiseCapability_ be ! NewPromiseCapability(%Promise%).
     38        1. Let _specifierString_ be Completion(ToString(_specifier_)).
     39        1. IfAbruptRejectPromise(_specifierString_, _promiseCapability_).
     40        ...
     41 
     42 ---*/
     43 const obj = {
     44    toString() {
     45        throw 'custom error';
     46    }
     47 };
     48 
     49 
     50 async function * f() {
     51  await import.defer(obj);
     52 }
     53 
     54 f().next().catch(error => {
     55 
     56  assert.sameValue(error, 'custom error');
     57 
     58 }).then($DONE, $DONE);