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/jaeger/recompile/exotic.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,74 @@
     1.4 +
     1.5 +// Test exotic ways of triggering recompilation.
     1.6 +
     1.7 +// Lowered native call.
     1.8 +
     1.9 +var x = 0;
    1.10 +var y = true;
    1.11 +for (var i = 0; i < 20; i++) {
    1.12 +  x += Array.map.apply(undefined, [[0], function(x) { if (i == 10) eval("y = 20"); return 1; }])[0];
    1.13 +}
    1.14 +assertEq(x, 20);
    1.15 +assertEq(y, 20);
    1.16 +
    1.17 +// Recompilation triggered by local function.
    1.18 +
    1.19 +var o = {};
    1.20 +function what(q) {
    1.21 +  function inner() { return q; }
    1.22 +  o.f = inner;
    1.23 +  var a = o.f();
    1.24 +  return a;
    1.25 +}
    1.26 +for (var i = 0; i < 10; i++) {
    1.27 +  var a = what(i);
    1.28 +  assertEq(a, i);
    1.29 +}
    1.30 +
    1.31 +// Lowered scripted call to apply returning code pointer.
    1.32 +
    1.33 +var global = 3;
    1.34 +function foo(x, y) {
    1.35 +  var q = x.apply(null, y);
    1.36 +  if (q != 10)
    1.37 +    assertEq(global, true);
    1.38 +}
    1.39 +foo(function(a) { global = a; return 10; }, [1]);
    1.40 +foo(function(a) { global = a; return 10; }, [1]);
    1.41 +foo(function(a) { global = a; return 10; }, [1]);
    1.42 +assertEq(global, 1);
    1.43 +foo(function(a) { global = a; return 3; }, [true]);
    1.44 +assertEq(global, true);
    1.45 +
    1.46 +// Lowered scripted call returning NULL.
    1.47 +
    1.48 +var oglobal = 3;
    1.49 +function xfoo(x, y) {
    1.50 +  var q = x.apply(null, y);
    1.51 +  if (q != 10)
    1.52 +    assertEq(oglobal, true);
    1.53 +}
    1.54 +xfoo(function(a) { oglobal = a; return 10; }, [1]);
    1.55 +xfoo(function(a) { oglobal = a; return 10; }, [1]);
    1.56 +xfoo(function(a) { oglobal = a; return 10; }, [1]);
    1.57 +assertEq(oglobal, 1);
    1.58 +xfoo(function(a) { [1,2,3]; oglobal = a; return 3; }, [true]);
    1.59 +assertEq(oglobal, true);
    1.60 +
    1.61 +// Recompilation out of SplatApplyArgs.
    1.62 +
    1.63 +weirdarray = [,,1,2,3];
    1.64 +Object.defineProperty(weirdarray, 0, {get: function() { vglobal = 'true'; }});
    1.65 +
    1.66 +var vglobal = 3;
    1.67 +function yfoo(x, y) {
    1.68 +  var q = x.apply(null, y);
    1.69 +  if (q != 10)
    1.70 +    assertEq(vglobal, 'true');
    1.71 +  else
    1.72 +    assertEq(vglobal, 3);
    1.73 +}
    1.74 +yfoo(function(a) { return 10; }, [1]);
    1.75 +yfoo(function(a) { return 10; }, [1]);
    1.76 +yfoo(function(a) { return 10; }, [1]);
    1.77 +yfoo(function() { return 0; }, weirdarray);