test262/test/language/expressions/async-generator/dstr-named-dflt-obj-ptrn-re...

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2017-03-18 00:21:20 +01:00
// This file was procedurally generated from the following sources:
// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
// - src/dstr-binding/default/async-gen-func-named-expr-dflt.template
/*---
description: Rest object doesn't contain non-enumerable properties (async generator named function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
includes: [propertyHelper.js]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * BindingIdentifier
( FormalParameters ) { AsyncGeneratorBody }
[...]
7. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, funcEnv, strict).
[...]
---*/
var o = {a: 3, b: 4};
Object.defineProperty(o, "x", { value: 4, enumerable: false });
var callCount = 0;
var f;
f = async function* g({...rest} = o) {
assert.sameValue(rest.a, 3);
assert.sameValue(rest.b, 4);
assert.sameValue(rest.x, undefined);
verifyEnumerable(rest, "a");
verifyWritable(rest, "a");
verifyConfigurable(rest, "a");
verifyEnumerable(rest, "b");
verifyWritable(rest, "b");
verifyConfigurable(rest, "b");
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);