From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- .../xpcshell/test_HeapSnapshot_takeCensus_04.js | 43 ++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 devtools/shared/heapsnapshot/tests/xpcshell/test_HeapSnapshot_takeCensus_04.js (limited to 'devtools/shared/heapsnapshot/tests/xpcshell/test_HeapSnapshot_takeCensus_04.js') diff --git a/devtools/shared/heapsnapshot/tests/xpcshell/test_HeapSnapshot_takeCensus_04.js b/devtools/shared/heapsnapshot/tests/xpcshell/test_HeapSnapshot_takeCensus_04.js new file mode 100644 index 0000000000..ac484c8815 --- /dev/null +++ b/devtools/shared/heapsnapshot/tests/xpcshell/test_HeapSnapshot_takeCensus_04.js @@ -0,0 +1,43 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ +"use strict"; + +// Test that HeapSnapshot.prototype.takeCensus finds GC roots that are on the +// stack. +// +// Ported from js/src/jit-test/tests/debug/Memory-takeCensus-04.js + +function run_test() { + const g = newGlobal(); + const dbg = new Debugger(g); + + g.eval(` +function withAllocationMarkerOnStack(f) { + (function () { + var onStack = allocationMarker(); + f(); + }()); +} +`); + + equal( + "AllocationMarker" in saveHeapSnapshotAndTakeCensus(dbg).objects, + false, + "There shouldn't exist any allocation markers in the census." + ); + + let allocationMarkerCount; + g.withAllocationMarkerOnStack(() => { + const census = saveHeapSnapshotAndTakeCensus(dbg); + allocationMarkerCount = census.objects.AllocationMarker.count; + }); + + equal( + allocationMarkerCount, + 1, + "Should have one allocation marker in the census, because there " + + "was one on the stack." + ); + + do_test_finished(); +} -- cgit v1.2.3