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/basic/metadata-hook.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,34 @@
     1.4 +
     1.5 +x = [1,2,3];
     1.6 +setObjectMetadata(x, {y:0});
     1.7 +assertEq(getObjectMetadata(x).y, 0);
     1.8 +
     1.9 +setObjectMetadataCallback(true);
    1.10 +
    1.11 +function Foo() {
    1.12 +  this.x = 0;
    1.13 +  this.y = 1;
    1.14 +}
    1.15 +
    1.16 +function hello() {
    1.17 +  function there() {
    1.18 +    w = new Foo();
    1.19 +    x = [1,2,3];
    1.20 +    y = [2,3,5];
    1.21 +    z = {a:0,b:1};
    1.22 +  }
    1.23 +  callee = there;
    1.24 +  callee();
    1.25 +}
    1.26 +hello();
    1.27 +
    1.28 +var wc = getObjectMetadata(w).index;
    1.29 +var xc = getObjectMetadata(x).index;
    1.30 +var yc = getObjectMetadata(y).index;
    1.31 +var zc = getObjectMetadata(z).index;
    1.32 +
    1.33 +assertEq(xc > wc, true);
    1.34 +assertEq(yc > xc, true);
    1.35 +assertEq(zc > yc, true);
    1.36 +assertEq(getObjectMetadata(x).stack[0], callee);
    1.37 +assertEq(getObjectMetadata(x).stack[1], hello);