| // This file was procedurally generated from the following sources: |
| // - src/async-generators/yield-identifier-spread-strict.case |
| // - src/async-generators/default/async-expression.template |
| /*--- |
| description: It's an early error if the AssignmentExpression is a function body with yield as an identifier in strict mode. (Unnamed async generator expression) |
| esid: prod-AsyncGeneratorExpression |
| features: [object-spread, async-iteration] |
| flags: [generated, onlyStrict] |
| negative: |
| phase: parse |
| type: SyntaxError |
| info: | |
| Async Generator Function Definitions |
| |
| AsyncGeneratorExpression : |
| async [no LineTerminator here] function * BindingIdentifier ( FormalParameters ) { |
| AsyncGeneratorBody } |
| |
| |
| Spread Properties |
| |
| PropertyDefinition[Yield]: |
| (...) |
| ...AssignmentExpression[In, ?Yield] |
| |
| ---*/ |
| $DONOTEVALUATE(); |
| |
| |
| var callCount = 0; |
| |
| var gen = async function *() { |
| callCount += 1; |
| return { |
| ...(function() { |
| var yield; |
| throw new Test262Error(); |
| }()), |
| } |
| }; |
| |
| var iter = gen(); |
| |
| |
| |
| assert.sameValue(callCount, 1); |