tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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named-yield-spread-obj.js (1214B)

      1 // |reftest| async
      2 // This file was procedurally generated from the following sources:
      3 // - src/async-generators/yield-spread-obj.case
      4 // - src/async-generators/default/async-expression-named.template
      5 /*---
      6 description: Use yield value in a object spread position (Named async generator expression)
      7 esid: prod-AsyncGeneratorExpression
      8 features: [object-spread, async-iteration]
      9 flags: [generated, async]
     10 info: |
     11    Async Generator Function Definitions
     12 
     13    AsyncGeneratorExpression :
     14      async [no LineTerminator here] function * BindingIdentifier ( FormalParameters ) {
     15        AsyncGeneratorBody }
     16 
     17 
     18    Spread Properties
     19 
     20    PropertyDefinition[Yield]:
     21      (...)
     22      ...AssignmentExpression[In, ?Yield]
     23 
     24 ---*/
     25 
     26 
     27 var callCount = 0;
     28 
     29 var gen = async function *g() {
     30  callCount += 1;
     31  yield {
     32      ...yield,
     33      y: 1,
     34      ...yield yield,
     35    };
     36 };
     37 
     38 var iter = gen();
     39 
     40 iter.next();
     41 iter.next({ x: 42 });
     42 iter.next({ x: 'lol' });
     43 var item = iter.next({ y: 39 });
     44 
     45 item.then(({ done, value }) => {
     46  assert.sameValue(value.x, 42);
     47  assert.sameValue(value.y, 39);
     48  assert.sameValue(Object.keys(value).length, 2);
     49  assert.sameValue(done, false);
     50 }).then($DONE, $DONE);
     51 
     52 assert.sameValue(callCount, 1);