tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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valueToInt32.js (754B)

      1 // vim: set ts=8 sts=4 et sw=4 tw=99:
      2 
      3 function f(x, y) {
      4    // Confuse the type analysis to not know the type of x.
      5    var u;
      6    var a = x + u;
      7    var b = x + 3;
      8    return x + y;
      9 }
     10 
     11 function g_bool(x, y) {
     12    var t;
     13    if (x + 0)
     14        t = true;
     15    else
     16        t = false;
     17    return t + y;
     18 
     19 }
     20 function g_null(x) {
     21    return null + x;
     22 }
     23 
     24 assertEq(g_bool(1, 2), 3);
     25 assertEq(g_bool(0, 2), 2);
     26 assertEq(g_null(2), 2);
     27 
     28 // These will not bailout.
     29 assertEq(f(Math.cos(Math.PI), 2), 1);
     30 assertEq(f(null, 2), 2);
     31 assertEq(f(false, 2), 2);
     32 assertEq(f(true, 2), 3);
     33 assertEq(f(17, 2), 19);
     34 
     35 // These will bailout.
     36 assertEq(f(undefined, 2), Number.NaN);
     37 assertEq(f("20", 2), "202");
     38 assertEq(f(16.3, 2), 18.3);
     39 assertEq((1 / f(-0, -0)), -Infinity);