tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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scope-catch-block-var-none.js (731B)

      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 esid: sec-runtime-semantics-catchclauseevaluation
      5 description: Retainment of existing variable environment for `catch` block
      6 info: |
      7    [...]
      8    8. Let B be the result of evaluating Block.
      9    [...]
     10 ---*/
     11 
     12 var x = 1;
     13 var probeBefore = function() { return x; };
     14 var probeInside;
     15 
     16 try {
     17  throw null;
     18 } catch (_) {
     19  var x = 2;
     20  probeInside = function() { return x; };
     21 }
     22 
     23 assert.sameValue(probeBefore(), 2, 'reference preceding statement');
     24 assert.sameValue(probeInside(), 2, 'reference within statement');
     25 assert.sameValue(x, 2, 'reference following statement');
     26 
     27 reportCompare(0, 0);