yield-spread-obj.js

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// This file was procedurally generated from the following sources:

// - src/generators/yield-spread-obj.case

// - src/generators/default/class-expr-method.template

/*---

description: Use yield value in a object spread position (Generator method as a ClassExpression element)

esid: prod-GeneratorMethod

features: [object-spread, generators]

flags: [generated]

info: |

    ClassElement :

      MethodDefinition

    MethodDefinition :

      GeneratorMethod

    14.4 Generator Function Definitions

    GeneratorMethod :

      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }

    Spread Properties

    PropertyDefinition[Yield]:

      (...)

      ...AssignmentExpression[In, ?Yield]

---*/

var callCount = 0;

var C = class {*gen() {

    callCount += 1;

    yield {

        ...yield,

        y: 1,

        ...yield yield,

};

}}

var gen = C.prototype.gen;

var iter = gen();

iter.next();

iter.next({ x: 42 });

iter.next({ x: 'lol' });

var item = iter.next({ y: 39 });

assert.sameValue(item.value.x, 42);

assert.sameValue(item.value.y, 39);

assert.sameValue(Object.keys(item.value).length, 2);

assert.sameValue(item.done, false);

assert.sameValue(callCount, 1);

reportCompare(0, 0);