michael@0: 
michael@0: // check correctness of truncation of doubles slightly outside the int32_t range.
michael@0: 
michael@0: function truncate(x) {
michael@0:   return x | 0;
michael@0: }
michael@0: 
michael@0: assertEq(truncate(0xffffffff), -1);
michael@0: assertEq(truncate(0xffffffff + 5000.5), 4999);
michael@0: assertEq(truncate(-0xffffffff - 5000.5), -4999);