tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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gen-yield-spread-arr-single.js (1178B)

      1 // This file was procedurally generated from the following sources:
      2 // - src/generators/yield-spread-arr-single.case
      3 // - src/generators/default/obj-method.template
      4 /*---
      5 description: Use yield value in a array spread position (Generator method)
      6 esid: prod-GeneratorMethod
      7 features: [generators]
      8 flags: [generated]
      9 info: |
     10    14.4 Generator Function Definitions
     11 
     12    GeneratorMethod[Yield, Await]:
     13      * PropertyName[?Yield, ?Await] ( UniqueFormalParameters[+Yield, ~Await] ) { GeneratorBody }
     14 
     15 
     16    Array Initializer
     17 
     18    SpreadElement[Yield, Await]:
     19      ...AssignmentExpression[+In, ?Yield, ?Await]
     20 ---*/
     21 var arr = ['a', 'b', 'c'];
     22 
     23 var callCount = 0;
     24 
     25 var gen = {
     26  *method() {
     27    callCount += 1;
     28    yield [...yield];
     29  }
     30 }.method;
     31 
     32 var iter = gen();
     33 
     34 iter.next(false);
     35 var item = iter.next(arr);
     36 var value = item.value;
     37 
     38 assert.notSameValue(value, arr, 'value is a new array');
     39 assert(Array.isArray(value), 'value is an Array exotic object');
     40 assert.sameValue(value.length, 3)
     41 assert.sameValue(value[0], 'a');
     42 assert.sameValue(value[1], 'b');
     43 assert.sameValue(value[2], 'c');
     44 assert.sameValue(item.done, false);
     45 
     46 assert.sameValue(callCount, 1);
     47 
     48 reportCompare(0, 0);