michael@0: function f (x) {
michael@0:     return x >> 0;
michael@0: }
michael@0: 
michael@0: var table = [
michael@0:     [NaN, 0],
michael@0: 
michael@0:     [Infinity, 0],
michael@0:     [-Infinity, 0],
michael@0:     [0, 0],
michael@0:     [-0, 0],
michael@0: 
michael@0:     [15, 15],
michael@0:     [-15, -15],
michael@0: 
michael@0:     [0x80000000, -0x80000000],
michael@0:     [-0x80000000, -0x80000000],
michael@0: 
michael@0:     [0xffffffff, -1],
michael@0:     [-0xffffffff, 1],
michael@0: 
michael@0:     [0x7fffffff, 0x7fffffff],
michael@0:     [-0x7fffffff, -0x7fffffff]
michael@0: ]
michael@0: 
michael@0: for (var i = 0; i < table.length; i++) {    
michael@0:     assertEq(f(table[i][0]), table[i][1]);
michael@0: }