michael@0: // Array.of can be transplanted to other classes.
michael@0: 
michael@0: load(libdir + "asserts.js");
michael@0: 
michael@0: var hits = 0;
michael@0: function Bag() {
michael@0:     hits++;
michael@0: }
michael@0: Bag.of = Array.of;
michael@0: 
michael@0: hits = 0;
michael@0: var actual = Bag.of("zero", "one");
michael@0: assertEq(hits, 1);
michael@0: 
michael@0: var expected = new Bag;
michael@0: expected[0] = "zero";
michael@0: expected[1] = "one";
michael@0: expected.length = 2;
michael@0: assertDeepEq(actual, expected);
michael@0: 
michael@0: hits = 0;
michael@0: actual = Array.of.call(Bag, "zero", "one");
michael@0: assertEq(hits, 1);
michael@0: assertDeepEq(actual, expected);
michael@0: