mirror of
				https://github.com/tc39/test262.git
				synced 2025-11-04 13:44:29 +01:00 
			
		
		
		
	
		
			
				
	
	
		
			40 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			40 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
// This file was procedurally generated from the following sources:
 | 
						|
// - src/arguments/args-trailing-comma-null.case
 | 
						|
// - src/arguments/default/async-gen-func-expr.template
 | 
						|
/*---
 | 
						|
description: A trailing comma after null should not increase the arguments.length (async generator function expression)
 | 
						|
esid: sec-asyncgenerator-definitions-evaluation
 | 
						|
features: [async-iteration]
 | 
						|
flags: [generated, async]
 | 
						|
info: |
 | 
						|
    AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
 | 
						|
        AsyncGeneratorBody }
 | 
						|
 | 
						|
        [...]
 | 
						|
        3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
 | 
						|
           AsyncGeneratorBody, scope, strict).
 | 
						|
        [...]
 | 
						|
 | 
						|
 | 
						|
    Trailing comma in the arguments list
 | 
						|
 | 
						|
    12.3 Left-Hand-Side Expressions
 | 
						|
 | 
						|
    Arguments[Yield, Await] : ( ArgumentList[?Yield, ?Await] , )
 | 
						|
---*/
 | 
						|
 | 
						|
 | 
						|
var callCount = 0;
 | 
						|
// Stores a reference `ref` for case evaluation
 | 
						|
var ref;
 | 
						|
ref = async function*() {
 | 
						|
  assert.sameValue(arguments.length, 2);
 | 
						|
  assert.sameValue(arguments[0], 42);
 | 
						|
  assert.sameValue(arguments[1], null);
 | 
						|
  callCount = callCount + 1;
 | 
						|
};
 | 
						|
 | 
						|
ref(42, null,).next().then(() => {
 | 
						|
    assert.sameValue(callCount, 1, 'generator function invoked exactly once');
 | 
						|
}).then($DONE, $DONE);
 |