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407b8964ce
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.
31 lines
1.2 KiB
JavaScript
31 lines
1.2 KiB
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: 13.7.4.7
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description: >
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Completion value when head has no declaration and a "test" expression and no iteration occurs
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info: >
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IterationStatement :
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for ( Expressionopt ; Expressionopt ; Expressionopt ) Statement
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1. If the first Expression is present, then
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a. Let exprRef be the result of evaluating the first Expression.
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b. Let exprValue be GetValue(exprRef).
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c. ReturnIfAbrupt(exprValue).
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2. Return ForBodyEvaluation(the second Expression, the third Expression,
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Statement, « », labelSet).
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13.7.4.8 Runtime Semantics: ForBodyEvaluation
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1. Let V = undefined.
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[...]
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4. Repeat
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a. If test is not [empty], then
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i. Let testRef be the result of evaluating test.
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ii. Let testValue be GetValue(testRef).
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iii. ReturnIfAbrupt(testValue).
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iv. If ToBoolean(testValue) is false, return NormalCompletion(V).
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---*/
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assert.sameValue(eval('1; for ( ; false; ) { }'), undefined);
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assert.sameValue(eval('2; for ( ; false; ) { 3; }'), undefined);
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