From 4e2e9be6abed3225406b466099e397acc0f914d2 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Sat, 22 Feb 2020 17:32:39 -0500 Subject: Reclassify heapsnapshot and nsJSInspector as not part of devtools This resolves Issue #316 --- .../tests/unit/test_HeapSnapshot_takeCensus_05.js | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 dom/heapsnapshot/tests/unit/test_HeapSnapshot_takeCensus_05.js (limited to 'dom/heapsnapshot/tests/unit/test_HeapSnapshot_takeCensus_05.js') diff --git a/dom/heapsnapshot/tests/unit/test_HeapSnapshot_takeCensus_05.js b/dom/heapsnapshot/tests/unit/test_HeapSnapshot_takeCensus_05.js new file mode 100644 index 000000000..da6067624 --- /dev/null +++ b/dom/heapsnapshot/tests/unit/test_HeapSnapshot_takeCensus_05.js @@ -0,0 +1,24 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ + +// Test that HeapSnapshot.prototype.takeCensus finds cross compartment +// wrapper GC roots. +// +// Ported from js/src/jit-test/tests/debug/Memory-takeCensus-05.js + +function run_test() { + var g = newGlobal(); + var dbg = new Debugger(g); + + equal("AllocationMarker" in saveHeapSnapshotAndTakeCensus(dbg).objects, false, + "No allocation markers should exist in the census."); + + this.ccw = g.allocationMarker(); + + const census = saveHeapSnapshotAndTakeCensus(dbg); + equal(census.objects.AllocationMarker.count, 1, + "Should have one allocation marker in the census, because there " + + "is one cross-compartment wrapper referring to it."); + + do_test_finished(); +} -- cgit v1.2.3