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// |reftest| async
// This file was procedurally generated from the following sources:
// - src/async-generators/yield-spread-arr-multiple.case
// - src/async-generators/default/async-class-expr-private-method.template
/*---
description: Use yield value in a array spread position (Async generator method as a ClassExpression element)
esid: prod-AsyncGeneratorPrivateMethod
features: [async-iteration, class-methods-private]
flags: [generated, async]
includes: [compareArray.js]
info: |
ClassElement :
PrivateMethodDefinition
MethodDefinition :
AsyncGeneratorMethod
Async Generator Function Definitions
AsyncGeneratorMethod :
async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
Array Initializer
SpreadElement[Yield, Await]:
...AssignmentExpression[+In, ?Yield, ?Await]
---*/
var arr = ['a', 'b', 'c'];
var item;
var callCount = 0;
var C = class {
async *#gen() {
callCount += 1;
yield [...yield yield];
}
get gen() { return this.#gen; }
}
const c = new C();
// Test the private fields do not appear as properties before set to value
assert(
!Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
"#gen does not appear as an own property on C prototype"
);
assert(
!Object.prototype.hasOwnProperty.call(C, "#gen"),
"#gen does not appear as an own property on C constructor"
);
assert(
!Object.prototype.hasOwnProperty.call(c, "#gen"),
"#gen does not appear as an own property on C instance"
);
var iter = c.gen();
iter.next(false);
item = iter.next(['a', 'b', 'c']);
item.then(({ done, value }) => {
item = iter.next(value);
item.then(({ done, value }) => {
assert.compareArray(value, arr);
assert.sameValue(done, false);
}).then($DONE, $DONE);
}).catch($DONE);
assert.sameValue(callCount, 1);
// Test the private fields do not appear as properties after set to value
assert(
!Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
"#gen does not appear as an own property on C prototype"
);
assert(
!Object.prototype.hasOwnProperty.call(C, "#gen"),
"#gen does not appear as an own property on C constructor"
);
assert(
!Object.prototype.hasOwnProperty.call(c, "#gen"),
"#gen does not appear as an own property on C instance"
);