tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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yield-spread-arr-single.js (1278B)

      1 // |reftest| async
      2 // This file was procedurally generated from the following sources:
      3 // - src/async-generators/yield-spread-arr-single.case
      4 // - src/async-generators/default/async-declaration.template
      5 /*---
      6 description: Use yield value in a array spread position (Async generator Function declaration)
      7 esid: prod-AsyncGeneratorDeclaration
      8 features: [async-iteration]
      9 flags: [generated, async]
     10 info: |
     11    Async Generator Function Definitions
     12 
     13    AsyncGeneratorDeclaration:
     14      async [no LineTerminator here] function * BindingIdentifier ( FormalParameters ) {
     15        AsyncGeneratorBody }
     16 
     17 
     18    Array Initializer
     19 
     20    SpreadElement[Yield, Await]:
     21      ...AssignmentExpression[+In, ?Yield, ?Await]
     22 
     23 ---*/
     24 var arr = ['a', 'b', 'c'];
     25 
     26 
     27 var callCount = 0;
     28 
     29 async function *gen() {
     30  callCount += 1;
     31  yield [...yield];
     32 }
     33 
     34 var iter = gen();
     35 
     36 iter.next(false);
     37 var item = iter.next(arr);
     38 
     39 item.then(({ done, value }) => {
     40  assert.notSameValue(value, arr, 'value is a new array');
     41  assert(Array.isArray(value), 'value is an Array exotic object');
     42  assert.sameValue(value.length, 3)
     43  assert.sameValue(value[0], 'a');
     44  assert.sameValue(value[1], 'b');
     45  assert.sameValue(value[2], 'c');
     46  assert.sameValue(done, false);
     47 }).then($DONE, $DONE);
     48 
     49 assert.sameValue(callCount, 1);