mirror of https://github.com/tc39/test262.git
62 lines
1.6 KiB
JavaScript
62 lines
1.6 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/generators/yield-identifier-spread-non-strict.case
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// - src/generators/non-strict/declaration.template
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/*---
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description: Mixed use of object spread and yield as a valid identifier in a function body inside a generator body in non strict mode (Generator function declaration - valid for non-strict only cases)
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esid: prod-GeneratorDeclaration
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features: [Symbol, object-spread, generators]
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flags: [generated, noStrict]
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info: |
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14.4 Generator Function Definitions
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GeneratorDeclaration[Yield, Await, Default]:
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function * BindingIdentifier[?Yield, ?Await] ( 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 s = Symbol('s');
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var callCount = 0;
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function *gen() {
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callCount += 1;
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yield {
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...yield yield,
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...(function(arg) {
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var yield = arg;
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return {...yield};
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}(yield)),
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...yield,
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}
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}
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var iter = gen();
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var iter = gen();
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iter.next();
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iter.next();
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iter.next({ x: 10, a: 0, b: 0, [s]: 1 });
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iter.next({ y: 20, a: 1, b: 1, [s]: 42 });
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var item = iter.next({ z: 30, b: 2 });
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var value = item.value;
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assert.sameValue(item.done, false);
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assert.sameValue(value.x, 10);
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assert.sameValue(value.y, 20);
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assert.sameValue(value.z, 30);
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assert.sameValue(value.a, 1);
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assert.sameValue(value.b, 2);
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assert.sameValue(value[s], 42);
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assert(Object.hasOwnProperty.call(value, s));
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assert.sameValue(Object.keys(value).length, 5);
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assert.sameValue(callCount, 1);
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