tor-browser

The Tor Browser
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cptn-expr-expr-no-iter.js (1216B)


      1 // Copyright (C) 2016 the V8 project authors. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 /*---
      4 es6id: 13.7.4.7
      5 description: >
      6    Completion value when head has no declaration and a "test" expression and no iteration occurs
      7 info: |
      8    IterationStatement :
      9      for ( Expressionopt ; Expressionopt ; Expressionopt ) Statement
     10 
     11    1. If the first Expression is present, then
     12       a. Let exprRef be the result of evaluating the first Expression.
     13       b. Let exprValue be GetValue(exprRef).
     14       c. ReturnIfAbrupt(exprValue).
     15    2. Return ForBodyEvaluation(the second Expression, the third Expression,
     16       Statement, « », labelSet).
     17 
     18    13.7.4.8 Runtime Semantics: ForBodyEvaluation
     19    1. Let V = undefined.
     20    [...]
     21    4. Repeat
     22       a. If test is not [empty], then
     23          i. Let testRef be the result of evaluating test.
     24          ii. Let testValue be GetValue(testRef).
     25          iii. ReturnIfAbrupt(testValue).
     26          iv. If ToBoolean(testValue) is false, return NormalCompletion(V).
     27 ---*/
     28 
     29 assert.sameValue(eval('1; for ( ; false; ) { }'), undefined);
     30 assert.sameValue(eval('2; for ( ; false; ) { 3; }'), undefined);
     31 
     32 reportCompare(0, 0);