js/src/jit-test/tests/for-of/value-done-access.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.

michael@0 1 // Test that each yield* loop just checks "done", and "value" is only
michael@0 2 // fetched once at the end.
michael@0 3
michael@0 4 load(libdir + 'iteration.js');
michael@0 5
michael@0 6 var log = "";
michael@0 7
michael@0 8 function Iter(val, count) {
michael@0 9 function next() {
michael@0 10 return {
michael@0 11 get done() { log += "d"; return count-- == 0; },
michael@0 12 get value() { log += "v"; return val; }
michael@0 13 }
michael@0 14 }
michael@0 15
michael@0 16 this[std_iterator] = function() { return this; };
michael@0 17 this.next = next;
michael@0 18 }
michael@0 19
michael@0 20 for (var x of new Iter(42, 5))
michael@0 21 assertEq(x, 42);
michael@0 22
michael@0 23 assertEq(log, "dvdvdvdvdvd");

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