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/saved-stacks/gc-frame-cache.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,76 @@
     1.4 +// Test that SavedFrame instances get removed from the SavedStacks frames cache
     1.5 +// after a GC.
     1.6 +
     1.7 +const FUZZ_FACTOR = 3;
     1.8 +
     1.9 +function assertAboutEq(actual, expected) {
    1.10 +  if (Math.abs(actual - expected) > FUZZ_FACTOR)
    1.11 +    throw new Error("Assertion failed: expected about " + expected + ", got " + actual +
    1.12 +                    ". FUZZ_FACTOR = " + FUZZ_FACTOR);
    1.13 +}
    1.14 +
    1.15 +const stacks = [];
    1.16 +
    1.17 +stacks.push(saveStack());
    1.18 +stacks.push(saveStack());
    1.19 +stacks.push(saveStack());
    1.20 +stacks.push(saveStack());
    1.21 +stacks.push(saveStack());
    1.22 +stacks.push(saveStack());
    1.23 +stacks.push(saveStack());
    1.24 +stacks.push(saveStack());
    1.25 +stacks.push(saveStack());
    1.26 +stacks.push(saveStack());
    1.27 +stacks.push(saveStack());
    1.28 +stacks.push(saveStack());
    1.29 +stacks.push(saveStack());
    1.30 +stacks.push(saveStack());
    1.31 +stacks.push(saveStack());
    1.32 +stacks.push(saveStack());
    1.33 +stacks.push(saveStack());
    1.34 +stacks.push(saveStack());
    1.35 +stacks.push(saveStack());
    1.36 +stacks.push(saveStack());
    1.37 +stacks.push(saveStack());
    1.38 +stacks.push(saveStack());
    1.39 +stacks.push(saveStack());
    1.40 +stacks.push(saveStack());
    1.41 +stacks.push(saveStack());
    1.42 +stacks.push(saveStack());
    1.43 +stacks.push(saveStack());
    1.44 +stacks.push(saveStack());
    1.45 +stacks.push(saveStack());
    1.46 +stacks.push(saveStack());
    1.47 +stacks.push(saveStack());
    1.48 +stacks.push(saveStack());
    1.49 +stacks.push(saveStack());
    1.50 +stacks.push(saveStack());
    1.51 +stacks.push(saveStack());
    1.52 +stacks.push(saveStack());
    1.53 +stacks.push(saveStack());
    1.54 +stacks.push(saveStack());
    1.55 +stacks.push(saveStack());
    1.56 +stacks.push(saveStack());
    1.57 +stacks.push(saveStack());
    1.58 +stacks.push(saveStack());
    1.59 +stacks.push(saveStack());
    1.60 +stacks.push(saveStack());
    1.61 +stacks.push(saveStack());
    1.62 +stacks.push(saveStack());
    1.63 +stacks.push(saveStack());
    1.64 +stacks.push(saveStack());
    1.65 +stacks.push(saveStack());
    1.66 +stacks.push(saveStack());
    1.67 +stacks.push(saveStack());
    1.68 +
    1.69 +assertAboutEq(getSavedFrameCount(), 50);
    1.70 +
    1.71 +while (stacks.length) {
    1.72 +  stacks.pop();
    1.73 +}
    1.74 +gc();
    1.75 +
    1.76 +stacks = null;
    1.77 +gc();
    1.78 +
    1.79 +assertAboutEq(getSavedFrameCount(), 0);