test262/test/language/arguments-object/cls-expr-gen-meth-static-ar...

39 lines
1.1 KiB
JavaScript

// This file was procedurally generated from the following sources:
// - src/arguments/args-trailing-comma-null.case
// - src/arguments/default/cls-expr-gen-meth-static.template
/*---
description: A trailing comma after null should not increase the arguments.length (static class expression generator method)
esid: sec-arguments-exotic-objects
flags: [generated]
info: |
9.4.4 Arguments Exotic Objects
Most ECMAScript functions make an arguments object available to their code. Depending upon the
characteristics of the function definition, its arguments object is either an ordinary object
or an arguments exotic object.
Trailing comma in the arguments list
12.3 Left-Hand-Side Expressions
Arguments[Yield, Await] : ( ArgumentList[?Yield, ?Await] , )
---*/
var callCount = 0;
var C = class {
static *method() {
assert.sameValue(arguments.length, 2);
assert.sameValue(arguments[0], 42);
assert.sameValue(arguments[1], null);
callCount = callCount + 1;
}
};
C.method(42, null,).next();
// Stores a reference `ref` for case evaluation
var ref = C.method;
assert.sameValue(callCount, 1, 'method invoked exactly once');