From 2aa4a82499d4becd2284cdb482213d541b8804dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 16:29:10 +0200 Subject: Adding upstream version 86.0.1. Signed-off-by: Daniel Baumann --- .../jit-test/tests/saved-stacks/gc-frame-cache.js | 87 ++++++++++++++++++++++ 1 file changed, 87 insertions(+) create mode 100644 js/src/jit-test/tests/saved-stacks/gc-frame-cache.js (limited to 'js/src/jit-test/tests/saved-stacks/gc-frame-cache.js') diff --git a/js/src/jit-test/tests/saved-stacks/gc-frame-cache.js b/js/src/jit-test/tests/saved-stacks/gc-frame-cache.js new file mode 100644 index 0000000000..cf2646f471 --- /dev/null +++ b/js/src/jit-test/tests/saved-stacks/gc-frame-cache.js @@ -0,0 +1,87 @@ +// Test that SavedFrame instances get removed from the SavedStacks frames cache +// after a GC. + +const FUZZ_FACTOR = 3; + +function isAboutEq(actual, expected) { + return Math.abs(actual - expected) <= FUZZ_FACTOR; +} + +var stacks = []; + +(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. + + 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(); +} +gc(); + +stacks = null; +gc(); + +assertEq(isAboutEq(getSavedFrameCount(), 0), true); -- cgit v1.2.3