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In order to facilitate proper tail calls, ES2015 modified the completion value of a number of statements. These tests use `eval` to verify the new values.
20 lines
671 B
JavaScript
20 lines
671 B
JavaScript
// 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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es6id: 13.7.3.6
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description: >
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Completion value when no iteration occurs
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info: >
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IterationStatement : while ( Expression ) Statement
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1. Let V = undefined.
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2. Repeat
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a. Let exprRef be the result of evaluating Expression.
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b. Let exprValue be GetValue(exprRef).
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c. ReturnIfAbrupt(exprValue).
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d. If ToBoolean(exprValue) is false, return NormalCompletion(V).
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---*/
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assert.sameValue(eval('1; while (false) { }'), undefined);
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assert.sameValue(eval('2; while (false) { 3; }'), undefined);
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