summaryrefslogtreecommitdiffstats
path: root/dom/heapsnapshot/tests/unit/test_HeapSnapshot_takeCensus_01.js
diff options
context:
space:
mode:
Diffstat (limited to 'dom/heapsnapshot/tests/unit/test_HeapSnapshot_takeCensus_01.js')
-rw-r--r--dom/heapsnapshot/tests/unit/test_HeapSnapshot_takeCensus_01.js31
1 files changed, 31 insertions, 0 deletions
diff --git a/dom/heapsnapshot/tests/unit/test_HeapSnapshot_takeCensus_01.js b/dom/heapsnapshot/tests/unit/test_HeapSnapshot_takeCensus_01.js
new file mode 100644
index 000000000..f3b3090b0
--- /dev/null
+++ b/dom/heapsnapshot/tests/unit/test_HeapSnapshot_takeCensus_01.js
@@ -0,0 +1,31 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// HeapSnapshot.prototype.takeCensus returns a value of an appropriate
+// shape. Ported from js/src/jit-tests/debug/Memory-takeCensus-01.js
+
+function run_test() {
+ var dbg = new Debugger;
+
+ function checkProperties(census) {
+ equal(typeof census, "object");
+ for (prop of Object.getOwnPropertyNames(census)) {
+ var desc = Object.getOwnPropertyDescriptor(census, prop);
+ equal(desc.enumerable, true);
+ equal(desc.configurable, true);
+ equal(desc.writable, true);
+ if (typeof desc.value === "object")
+ checkProperties(desc.value);
+ else
+ equal(typeof desc.value, "number");
+ }
+ }
+
+ checkProperties(saveHeapSnapshotAndTakeCensus(dbg));
+
+ var g = newGlobal();
+ dbg.addDebuggee(g);
+ checkProperties(saveHeapSnapshotAndTakeCensus(dbg));
+
+ do_test_finished();
+}