mirror of https://github.com/tc39/test262.git
48 lines
1.1 KiB
JavaScript
48 lines
1.1 KiB
JavaScript
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// 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/expression.template
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/*---
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description: Use yield value in a object spread position (Generator expression)
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esid: prod-GeneratorExpression
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features: [object-spread]
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flags: [generated]
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includes: [compareArray.js]
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info: |
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14.4 Generator Function Definitions
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GeneratorExpression:
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function * BindingIdentifier[+Yield, ~Await]opt ( FormalParameters[+Yield, ~Await] ) { 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 gen = function *() {
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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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var iter = 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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