26 lines
900 B
JavaScript
26 lines
900 B
JavaScript
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// Copyright 2015 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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//
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// Flags: --harmony-destructuring --harmony-computed-property-names
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// Flags: --harmony-arrow-functions --strong-mode --allow-natives-syntax
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(function() {
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function f({ x = function() { return []; } }) { "use strong"; return x(); }
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var a = f({ x: undefined });
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assertTrue(%IsStrong(a));
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// TODO(rossberg): Loading non-existent properties during destructuring should
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// not throw in strong mode.
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assertThrows(function() { f({}); }, TypeError);
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function weakf({ x = function() { return []; } }) { return x(); }
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a = weakf({});
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assertFalse(%IsStrong(a));
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function outerf() { return []; }
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function f2({ x = outerf }) { "use strong"; return x(); }
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a = f2({ x: undefined });
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assertFalse(%IsStrong(a));
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})();
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