mirror of https://github.com/tc39/test262.git
64 lines
2.0 KiB
JavaScript
64 lines
2.0 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/generators/yield-spread-arr-multiple.case
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// - src/generators/default/class-decl-private-method.template
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/*---
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description: Use yield value in a array spread position (Generator private method as a ClassDeclaration element)
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esid: prod-GeneratorPrivateMethod
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features: [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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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 item;
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var callCount = 0;
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class C {
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*#gen() {
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callCount += 1;
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yield [...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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item = iter.next(['a', 'b', 'c']);
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item = iter.next(item.value);
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assert(compareArray(item.value, arr));
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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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