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26 lines
938 B
JavaScript
26 lines
938 B
JavaScript
// Copyright (C) 2013 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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es6id: 25.2
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description: >
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When invoked via the function invocation pattern with multiple arguments,
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the GeneratorFunction intrinsic creates a valid generator whose body is the
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last argument evaluated as source code and whose formal parameters are
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defined by the preceding arguments.
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features: [generators]
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---*/
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var GeneratorFunction = Object.getPrototypeOf(function*() {}).constructor;
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var g = GeneratorFunction('x', 'y', 'yield x + y;');
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var iter = g(2, 3);
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var result;
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result = iter.next();
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assert.sameValue(result.value, 5, 'First result `value`');
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assert.sameValue(result.done, false, 'First result `done` flag');
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result = iter.next();
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assert.sameValue(result.value, undefined, 'Final result `value`');
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assert.sameValue(result.done, true, 'Final result `done` flag');
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