js/src/jit-test/tests/collections/iterator-proto-surfaces.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 // Iterator prototype surfaces.
michael@0 2
michael@0 3 load(libdir + "asserts.js");
michael@0 4 load(libdir + "iteration.js");
michael@0 5
michael@0 6 function test(constructor) {
michael@0 7 var proto = Object.getPrototypeOf(constructor()[std_iterator]());
michael@0 8 var names = Object.getOwnPropertyNames(proto);
michael@0 9 names.sort();
michael@0 10 assertDeepEq(names, [std_iterator, 'next']);
michael@0 11
michael@0 12 var desc = Object.getOwnPropertyDescriptor(proto, 'next');
michael@0 13 assertEq(desc.configurable, true);
michael@0 14 assertEq(desc.enumerable, false);
michael@0 15 assertEq(desc.writable, true);
michael@0 16
michael@0 17 assertEq(proto[std_iterator](), proto);
michael@0 18 assertIteratorDone(proto, undefined);
michael@0 19 }
michael@0 20
michael@0 21 //test(Array);
michael@0 22 test(Map);
michael@0 23 test(Set);

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