mirror of https://github.com/tc39/test262.git
32 lines
1000 B
Plaintext
32 lines
1000 B
Plaintext
// Copyright (C) 2016 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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desc: BindingElement with array binding pattern and initializer is used
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template: default
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info: |
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13.3.3.6 Runtime Semantics: IteratorBindingInitialization
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BindingElement : BindingPatternInitializer opt
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[...]
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2. If iteratorRecord.[[done]] is true, let v be undefined.
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3. If Initializer is present and v is undefined, then
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a. Let defaultValue be the result of evaluating Initializer.
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b. Let v be ? GetValue(defaultValue).
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4. Return the result of performing BindingInitialization of BindingPattern
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with v and environment as the arguments.
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features: [generators]
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---*/
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//- setup
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var initCount = 0;
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var iterCount = 0;
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var iter = function*() { iterCount += 1; }();
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//- elems
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[[] = function() { initCount += 1; return iter; }()]
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//- vals
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[]
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//- body
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assert.sameValue(initCount, 1);
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assert.sameValue(iterCount, 0);
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