invoked-as-function-multiple-arguments.js

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// Copyright (C) 2013 the V8 project authors. All rights reserved.

// This code is governed by the BSD license found in the LICENSE file.

/*---

es6id: 25.2

description: >

    When invoked via the function invocation pattern with multiple arguments,

    the GeneratorFunction intrinsic creates a valid generator whose body is the

    last argument evaluated as source code and whose formal parameters are

    defined by the preceding arguments.

features: [generators]

---*/

var GeneratorFunction = Object.getPrototypeOf(function*() {}).constructor;

var g = GeneratorFunction('x', 'y', 'yield x + y;');

var iter = g(2, 3);

var result;

result = iter.next();

assert.sameValue(result.value, 5, 'First result `value`');

assert.sameValue(result.done, false, 'First result `done` flag');

result = iter.next();

assert.sameValue(result.value, undefined, 'Final result `value`');

assert.sameValue(result.done, true, 'Final result `done` flag');

reportCompare(0, 0);