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70 lines
2.1 KiB
JavaScript
70 lines
2.1 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/generators/yield-spread-obj.case
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// - src/generators/default/class-expr-private-method.template
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/*---
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description: Use yield value in a object spread position (Generator private method as a ClassExpression element)
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esid: prod-GeneratorPrivateMethod
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features: [object-spread, generators, class-methods-private]
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flags: [generated]
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includes: [compareArray.js]
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info: |
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ClassElement :
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PrivateMethodDefinition
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MethodDefinition :
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GeneratorMethod
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14.4 Generator Function Definitions
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GeneratorMethod :
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* PropertyName ( UniqueFormalParameters ) { GeneratorBody }
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Spread Properties
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PropertyDefinition[Yield]:
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(...)
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...AssignmentExpression[In, ?Yield]
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---*/
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var callCount = 0;
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var C = class {
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*#gen() {
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callCount += 1;
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yield {
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...yield,
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y: 1,
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...yield yield,
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};
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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();
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iter.next({ x: 42 });
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iter.next({ x: 'lol' });
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var item = iter.next({ y: 39 });
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assert.sameValue(item.value.x, 42);
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assert.sameValue(item.value.y, 39);
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assert.sameValue(Object.keys(item.value).length, 2);
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assert.sameValue(item.done, false);
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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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