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33 lines
911 B
JavaScript
33 lines
911 B
JavaScript
// Copyright (C) 2015 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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description: >
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When a `yield` token appears within the Initializer of an
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AssignmentElement within a generator function body, it behaves as a
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YieldExpression.
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es6id: 12.14.5.4
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features: [generators]
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---*/
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var value = [];
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var assignmentResult, iterationResult, iter, x;
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iter = (function*() {
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assignmentResult = [ x = yield ] = value;
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})();
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iterationResult = iter.next();
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assert.sameValue(assignmentResult, undefined);
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assert.sameValue(iterationResult.value, undefined);
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assert.sameValue(iterationResult.done, false);
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assert.sameValue(x, undefined);
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iterationResult = iter.next(86);
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assert.sameValue(assignmentResult, value);
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assert.sameValue(iterationResult.value, undefined);
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assert.sameValue(iterationResult.done, true);
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assert.sameValue(x, 86);
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