js/src/tests/test262/language/statements/generators/yield-identifier-strict-strict.js


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37

// |reftest| error:SyntaxError
'use strict';
// This file was procedurally generated from the following sources:
// - src/generators/yield-identifier-strict.case
// - src/generators/default/declaration.template
/*---
description: It's an early error if the generator body has another function body with yield as an identifier in strict mode. (Generator Function declaration)
esid: prod-GeneratorDeclaration
features: [generators]
flags: [generated, onlyStrict]
negative:
  phase: parse
  type: SyntaxError
info: |
    14.4 Generator Function Definitions

    GeneratorDeclaration :
      function * BindingIdentifier ( FormalParameters ) { GeneratorBody }

---*/
$DONOTEVALUATE();

var callCount = 0;

function *gen() {
  callCount += 1;
  (function() {
      var yield;
      throw new Test262Error();
    }())
}

var iter = gen();


assert.sameValue(callCount, 1);