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// This file was procedurally generated from the following sources:
// - src/class-elements/private-field-after-optional-chain.case
// - src/class-elements/default/cls-decl.template
/*---
description: OptionalChain.PrivateIdentifier is a valid syntax (field definitions in a class declaration)
esid: prod-FieldDefinition
features: [class-fields-private, optional-chaining, class]
flags: [generated]
info: |
Updated Productions
OptionalChain[Yield, Await] :
`?.` `[` Expression[+In, ?Yield, ?Await] `]`
`?.` IdentifierName
`?.` Arguments[?Yield, ?Await]
`?.` TemplateLiteral[?Yield, ?Await, +Tagged]
OptionalChain[?Yield, ?Await] `[` Expression[+In, ?Yield, ?Await] `]`
OptionalChain[?Yield, ?Await] `.` IdentifierName
OptionalChain[?Yield, ?Await] Arguments[?Yield, ?Await]
OptionalChain[?Yield, ?Await] TemplateLiteral[?Yield, ?Await, +Tagged]
OptionalChain[?Yield, ?Await] `.` PrivateIdentifier
---*/
class C {
#f = 'Test262';
method(o) {
return o?.c.#f;
}
}
let c = new C();
let o = {c: c};
assert.sameValue(c.method(o), 'Test262');
assert.sameValue(c.method(null), undefined);
assert.sameValue(c.method(undefined), undefined);
o = {c: new Object()};
assert.throws(TypeError, function() {
c.method(o);
}, 'accessed private field from an ordinary object');
reportCompare(0, 0);
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