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42 lines
1.0 KiB
JavaScript
42 lines
1.0 KiB
JavaScript
// Copyright (C) 2017 André Bargull. 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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esid: sec-function-calls-runtime-semantics-evaluation
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description: >
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Direct eval call with empty trailing spread.
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info: |
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12.3.4.1 Runtime Semantics: Evaluation
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...
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3. If Type(ref) is Reference and IsPropertyReference(ref) is false and GetReferencedName(ref) is "eval", then
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a. If SameValue(func, %eval%) is true, then
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i. Let argList be ? ArgumentListEvaluation(Arguments).
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ii. If argList has no elements, return undefined.
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iii. Let evalText be the first element of argList.
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...
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features: [Symbol.iterator]
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---*/
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var nextCount = 0;
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var iter = {};
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iter[Symbol.iterator] = function() {
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return {
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next: function() {
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var i = nextCount++;
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return {done: true, value: undefined};
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}
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};
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};
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var x = "global";
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(function() {
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var x = "local";
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eval("x = 0;", ...iter);
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assert.sameValue(x, 0);
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})();
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assert.sameValue(x, "global");
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assert.sameValue(nextCount, 1);
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