mirror of
https://github.com/tc39/test262.git
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111 lines
3.1 KiB
JavaScript
111 lines
3.1 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/async-generators/yield-star-getiter-async-not-callable-number-throw.case
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// - src/async-generators/default/async-class-expr-private-method.template
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/*---
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description: Throws a TypeError on a non-callable [Symbol.asyncIterator] (number) (Async generator method as a ClassExpression element)
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esid: prod-AsyncGeneratorPrivateMethod
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features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
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flags: [generated, async]
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info: |
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ClassElement :
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PrivateMethodDefinition
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MethodDefinition :
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AsyncGeneratorMethod
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Async Generator Function Definitions
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AsyncGeneratorMethod :
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async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
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YieldExpression: yield * AssignmentExpression
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1. Let exprRef be the result of evaluating AssignmentExpression.
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2. Let value be ? GetValue(exprRef).
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3. Let generatorKind be ! GetGeneratorKind().
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4. Let iterator be ? GetIterator(value, generatorKind).
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...
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GetIterator ( obj [ , hint ] )
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...
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3. If hint is async,
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a. Set method to ? GetMethod(obj, @@asyncIterator).
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...
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GetMethod ( V, P )
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...
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2. Let func be ? GetV(V, P).
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3. If func is either undefined or null, return undefined.
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4. If IsCallable(func) is false, throw a TypeError exception.
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...
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---*/
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var obj = {
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get [Symbol.iterator]() {
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throw new Test262Error('it should not get Symbol.iterator');
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},
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[Symbol.asyncIterator]: 0
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};
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var callCount = 0;
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var C = class {
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async *#gen() {
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callCount += 1;
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yield* obj;
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throw new Test262Error('abrupt completion closes iter');
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}
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get gen() { return this.#gen; }
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}
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const c = new C();
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// Test the private fields do not appear as properties before set to value
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assert(
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!Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
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"#gen does not appear as an own property on C prototype"
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);
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assert(
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!Object.prototype.hasOwnProperty.call(C, "#gen"),
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"#gen does not appear as an own property on C constructor"
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);
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assert(
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!Object.prototype.hasOwnProperty.call(c, "#gen"),
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"#gen does not appear as an own property on C instance"
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);
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var iter = c.gen();
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iter.next().then(() => {
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throw new Test262Error('Promise incorrectly fulfilled.');
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}, v => {
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assert.sameValue(v.constructor, TypeError, "TypeError");
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iter.next().then(({ done, value }) => {
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assert.sameValue(done, true, 'the iterator is completed');
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assert.sameValue(value, undefined, 'value is undefined');
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}).then($DONE, $DONE);
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}).catch($DONE);
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assert.sameValue(callCount, 1);
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// Test the private fields do not appear as properties after set to value
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assert(
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!Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
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"#gen does not appear as an own property on C prototype"
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);
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assert(
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!Object.prototype.hasOwnProperty.call(C, "#gen"),
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"#gen does not appear as an own property on C constructor"
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);
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assert(
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!Object.prototype.hasOwnProperty.call(c, "#gen"),
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"#gen does not appear as an own property on C instance"
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);
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