mathFloor.js (841B)
1 assertEq(Math.floor(3.14), 3); 2 assertEq(Math.floor(-0), -0); 3 assertEq(Math.floor(0), 0); 4 assertEq(Math.floor(-1.23), -2); 5 assertEq(Math.floor(2147483649), 2147483649); 6 assertEq(Math.floor(2147483648.5), 2147483648); 7 assertEq(Math.floor(2147483647.1), 2147483647); 8 9 /* Inferred as floor(double). */ 10 function floor1(x) { 11 return Math.floor(x); 12 } 13 assertEq(floor1(10.3), 10); 14 assertEq(floor1(-3.14), -4); 15 assertEq(floor1(-0), -0); // recompile to return double 16 assertEq(floor1(678.3), 678); 17 18 /* Inferred as floor(double). */ 19 function floor2(x) { 20 return Math.floor(x); 21 } 22 assertEq(floor2(3.4), 3); 23 assertEq(floor2(NaN), NaN); // recompile to return double 24 assertEq(floor2(-4.4), -5); 25 26 /* Inferred as floor(int). */ 27 function floor3(x) { 28 return Math.floor(x); 29 } 30 assertEq(floor3(4), 4); 31 assertEq(floor3(-5), -5); 32 assertEq(floor3(0), 0);