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Code Issues Packages Projects Releases Wiki Activity

Bug 1028418 - Part 6: Fix GC + SavedFrame test that made assumptions that are no longer true; r=shu

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This commit is contained in:
Nick Fitzgerald 2015-07-28 13:04:56 -07:00
parent 94a8232ed5
commit accbc2a6b2
1 changed files with 68 additions and 57 deletions
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125
js/src/jit-test/tests/saved-stacks/gc-frame-cache.js
View File

@ -3,67 +3,78 @@
const FUZZ_FACTOR = 3;
function assertAboutEq(actual, expected) {
if (Math.abs(actual - expected) > FUZZ_FACTOR)
throw new Error("Assertion failed: expected about " + expected + ", got " + actual +
". FUZZ_FACTOR = " + FUZZ_FACTOR);
function isAboutEq(actual, expected) {
return Math.abs(actual - expected) <= FUZZ_FACTOR;
}
var stacks = [];
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
(function () {
// Use an IIFE here so that we don't keep these saved stacks alive in the
// frame cache when we test that they all go away at the end of the test.
assertAboutEq(getSavedFrameCount(), 50);
var startCount = getSavedFrameCount();
print("startCount = " + startCount);
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
stacks.push(saveStack());
gc();
var endCount = getSavedFrameCount();
print("endCount = " + endCount);
assertEq(isAboutEq(endCount - startCount, 50), true);
}());
while (stacks.length) {
stacks.pop();
@ -73,4 +84,4 @@ gc();
stacks = null;
gc();
assertAboutEq(getSavedFrameCount(), 0);
assertEq(isAboutEq(getSavedFrameCount(), 0), true);