The Tor Browser: js/src/jit-test/tests/saved-stacks/gc-frame-cache.js@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 // Test that SavedFrame instances get removed from the SavedStacks frames cache

     2 // after a GC.

     4 const FUZZ_FACTOR = 3;

     6 function assertAboutEq(actual, expected) {

     7   if (Math.abs(actual - expected) > FUZZ_FACTOR)

     8     throw new Error("Assertion failed: expected about " + expected + ", got " + actual +

     9                     ". FUZZ_FACTOR = " + FUZZ_FACTOR);

    10 }

    12 const stacks = [];

    14 stacks.push(saveStack());

    15 stacks.push(saveStack());

    16 stacks.push(saveStack());

    17 stacks.push(saveStack());

    18 stacks.push(saveStack());

    19 stacks.push(saveStack());

    20 stacks.push(saveStack());

    21 stacks.push(saveStack());

    22 stacks.push(saveStack());

    23 stacks.push(saveStack());

    24 stacks.push(saveStack());

    25 stacks.push(saveStack());

    26 stacks.push(saveStack());

    27 stacks.push(saveStack());

    28 stacks.push(saveStack());

    29 stacks.push(saveStack());

    30 stacks.push(saveStack());

    31 stacks.push(saveStack());

    32 stacks.push(saveStack());

    33 stacks.push(saveStack());

    34 stacks.push(saveStack());

    35 stacks.push(saveStack());

    36 stacks.push(saveStack());

    37 stacks.push(saveStack());

    38 stacks.push(saveStack());

    39 stacks.push(saveStack());

    40 stacks.push(saveStack());

    41 stacks.push(saveStack());

    42 stacks.push(saveStack());

    43 stacks.push(saveStack());

    44 stacks.push(saveStack());

    45 stacks.push(saveStack());

    46 stacks.push(saveStack());

    47 stacks.push(saveStack());

    48 stacks.push(saveStack());

    49 stacks.push(saveStack());

    50 stacks.push(saveStack());

    51 stacks.push(saveStack());

    52 stacks.push(saveStack());

    53 stacks.push(saveStack());

    54 stacks.push(saveStack());

    55 stacks.push(saveStack());

    56 stacks.push(saveStack());

    57 stacks.push(saveStack());

    58 stacks.push(saveStack());

    59 stacks.push(saveStack());

    60 stacks.push(saveStack());

    61 stacks.push(saveStack());

    62 stacks.push(saveStack());

    63 stacks.push(saveStack());

    64 stacks.push(saveStack());

    66 assertAboutEq(getSavedFrameCount(), 50);

    68 while (stacks.length) {

    69   stacks.pop();

    70 }

    71 gc();

    73 stacks = null;

    74 gc();

    76 assertAboutEq(getSavedFrameCount(), 0);

The Tor Browser / file revision