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authorMatt A. Tobin <email@mattatobin.com>2020-02-22 17:32:39 -0500
committerMatt A. Tobin <email@mattatobin.com>2020-02-22 17:32:39 -0500
commit4e2e9be6abed3225406b466099e397acc0f914d2 (patch)
tree023551018892b8e76ae80e63a08d9d6a27c21a77 /dom/heapsnapshot/tests/unit/test_HeapSnapshot_takeCensus_05.js
parenta7888b8cf20691a4090715ab9b055ec3cb75f5e8 (diff)
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Reclassify heapsnapshot and nsJSInspector as not part of devtools
This resolves Issue #316
Diffstat (limited to 'dom/heapsnapshot/tests/unit/test_HeapSnapshot_takeCensus_05.js')
-rw-r--r--dom/heapsnapshot/tests/unit/test_HeapSnapshot_takeCensus_05.js24
1 files changed, 24 insertions, 0 deletions
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();
+}