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js/src/jit-test/tests/for-of/arrays-shrinking-1.js@6474c204b198

js/src/jit-test/tests/for-of/arrays-shrinking-1.js

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 // A for-of loop over an array stops at the new end of the array if it shrinks during iteration.

 function ispal(arr) {

     for (var v of arr) {

         if (v !== arr.pop())

             return false;

     }

     return true;

 }

 assertEq(ispal([1, 2, 3, 4, 3, 2, 1]), true);

 assertEq(ispal([1, 2, 3, 3, 2, 1]), true);

 assertEq(ispal([1, 2, 3, 4, 2, 1]), false);