michael@0: function g1(x, y) {
michael@0:     return 0 & y;
michael@0: }
michael@0: var c1 = 0;
michael@0: function f1() {
michael@0:     for (var i=0; i<100; i++) {
michael@0:         g1(i, i);
michael@0:         g1(i, {valueOf: function() { c1++; return 0; }});
michael@0:     }
michael@0: }
michael@0: f1();
michael@0: assertEq(c1, 100);
michael@0: 
michael@0: function g2(x, y) {
michael@0:     ~y;
michael@0: }
michael@0: var c2 = 0;
michael@0: function f2() {
michael@0:     for (var i=0; i<100; i++) {
michael@0:         g2(i, i);
michael@0:         g2(i, {valueOf: function() { c2++; return 0; }});
michael@0:     }
michael@0: }
michael@0: f2();
michael@0: assertEq(c2, 100);
michael@0: 
michael@0: function g3(x, y) {
michael@0:     return 0 >>> y;
michael@0: }
michael@0: var c3 = 0;
michael@0: function f3() {
michael@0:     for (var i=0; i<100; i++) {
michael@0:         g3(i, i);
michael@0:         g3(i, {valueOf: function() { c3++; return 0; }});
michael@0:     }
michael@0: }
michael@0: f3();
michael@0: assertEq(c3, 100);