tor-browser

The Tor Browser
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nested-async-gen-await-import-source-specifier-tostring.js (2667B)

      1 // |reftest| skip async -- source-phase-imports is not supported
      2 // This file was procedurally generated from the following sources:
      3 // - src/dynamic-import/import-source-specifier-tostring.case
      4 // - src/dynamic-import/catch/nested-async-generator-await.template
      5 /*---
      6 description: ToString value of specifier (nested in async generator, awaited)
      7 esid: sec-import-call-runtime-semantics-evaluation
      8 features: [source-phase-imports, 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 . source ( AssignmentExpression )
     30    1. Return ? EvaluateImportCall(AssignmentExpression, source).
     31 
     32    13.3.10.1.1 EvaluateImportCall ( specifierExpression, phase )
     33    1. Let referrer be GetActiveScriptOrModule().
     34    2. If referrer is null, set referrer to the current Realm Record.
     35    3. Let specifierRef be ? Evaluation of specifierExpression.
     36    4. Let specifier be ? GetValue(specifierRef).
     37    5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
     38    6. Let specifierString be Completion(ToString(specifier)).
     39    7. IfAbruptRejectPromise(specifierString, promiseCapability).
     40    8. Let moduleRequest be a new ModuleRequest Record { [[Specifier]]: specifierString, [[Phase]]: phase }.
     41    9. Perform HostLoadImportedModule(referrer, moduleRequest, empty, promiseCapability).
     42    10. Return promiseCapability.[[Promise]].
     43 
     44    16.2.1.7.2 GetModuleSource ( )
     45    Source Text Module Record provides a GetModuleSource implementation that always returns an abrupt completion indicating that a source phase import is not available.
     46    1. Throw a SyntaxError exception.
     47 
     48 ---*/
     49 // The following case is equivalent of the call of:
     50 // import.source('./empty_FIXTURE.js')
     51 
     52 const obj = {
     53    toString() {
     54        return './empty_FIXTURE.js';
     55    }
     56 };
     57 
     58 
     59 async function * f() {
     60  await import.source(obj);
     61 }
     62 
     63 f().next().catch(error => {
     64 
     65  assert.sameValue(error.name, 'SyntaxError');
     66 
     67 }).then($DONE, $DONE);