mirror of
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69 lines
2.2 KiB
JavaScript
69 lines
2.2 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/async-generators/yield-spread-arr-single.case
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// - src/async-generators/default/async-class-expr-private-method.template
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/*---
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description: Use yield value in a array spread position (Async generator method as a ClassExpression element)
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esid: prod-AsyncGeneratorPrivateMethod
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features: [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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Array Initializer
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SpreadElement[Yield, Await]:
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...AssignmentExpression[+In, ?Yield, ?Await]
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---*/
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var arr = ['a', 'b', 'c'];
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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 [...yield];
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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.sameValue(Object.hasOwnProperty.call(C.prototype, "#gen"), false, 'Object.hasOwnProperty.call(C.prototype, "#gen")');
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assert.sameValue(Object.hasOwnProperty.call(C, "#gen"), false, 'Object.hasOwnProperty.call(C, "#gen")');
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assert.sameValue(Object.hasOwnProperty.call(c, "#gen"), false, 'Object.hasOwnProperty.call(c, "#gen")');
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var iter = c.gen();
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iter.next(false);
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var item = iter.next(arr);
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item.then(({ done, value }) => {
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assert.notSameValue(value, arr, 'value is a new array');
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assert(Array.isArray(value), 'value is an Array exotic object');
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assert.sameValue(value.length, 3)
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assert.sameValue(value[0], 'a');
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assert.sameValue(value[1], 'b');
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assert.sameValue(value[2], 'c');
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assert.sameValue(done, false);
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}).then($DONE, $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.sameValue(Object.hasOwnProperty.call(C.prototype, "#gen"), false, 'Object.hasOwnProperty.call(C.prototype, "#gen")');
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assert.sameValue(Object.hasOwnProperty.call(C, "#gen"), false, 'Object.hasOwnProperty.call(C, "#gen")');
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assert.sameValue(Object.hasOwnProperty.call(c, "#gen"), false, 'Object.hasOwnProperty.call(c, "#gen")');
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