The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/jit-test/tests/ion/bug679493.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,37 @@
     1.4 +// Normal checks:
     1.5 +function mul(x, y) {
     1.6 +    return x*y;
     1.7 +}
     1.8 +assertEq(mul(1, 2), 2);
     1.9 +assertEq(mul(0, 2), 0);
    1.10 +assertEq(mul(0, -1), -0);
    1.11 +assertEq(mul(100000000, 20000), 2000000000000);
    1.12 +assertEq(mul(0, -2), -0);
    1.13 +assertEq(mul(0, 0), 0);
    1.14 +
    1.15 +// Constant * value checks:
    1.16 +assertEq(function(x){return x*1}(4), 4);
    1.17 +assertEq(function(x){return x*1}(0), 0);
    1.18 +assertEq(function(x){return x*1}(-4), -4);
    1.19 +assertEq(function(x){return x*2}(4), 8);
    1.20 +assertEq(function(x){return x*2}(0), 0);
    1.21 +assertEq(function(x){return x*2}(-4), -8);
    1.22 +assertEq(function(x){return x*2}(2000000000), 4000000000);
    1.23 +assertEq(function(x){return x*5}(4), 20);
    1.24 +assertEq(function(x){return x*5}(0), 0);
    1.25 +assertEq(function(x){return x*5}(-4), -20);
    1.26 +assertEq(function(x){return x*0}(0), 0);
    1.27 +assertEq(function(x){return x*0}(5), 0);
    1.28 +assertEq(function(x){return x*0}(-5), -0);
    1.29 +assertEq(function(x){return x*-5}(4), -20);
    1.30 +assertEq(function(x){return x*-5}(0), -0);
    1.31 +assertEq(function(x){return x*-5}(-4), 20);
    1.32 +assertEq(function(x){return x*20000}(100000000), 2000000000000);
    1.33 +
    1.34 +// Constant folding
    1.35 +assertEq(function(){var x=5; return x*4}(), 20);
    1.36 +assertEq(function(){var x=5; return x*-4}(), -20);
    1.37 +assertEq(function(){var x=0; return x*4}(), 0);
    1.38 +assertEq(function(){var x=0; return x*0}(), 0);
    1.39 +assertEq(function(){var x=0; return x*-4}(), -0);
    1.40 +assertEq(function(){var x=20000; return x*100000000}(), 2000000000000);