1 files changed, 22 insertions, 0 deletions
diff --git a/dom/heapsnapshot/tests/unit/test_HeapAnalyses_computeDominatorTree_01.js b/dom/heapsnapshot/tests/unit/test_HeapAnalyses_computeDominatorTree_01.js
new file mode 100644
index 000000000..0114e0b69
--- /dev/null
+++ b/dom/heapsnapshot/tests/unit/test_HeapAnalyses_computeDominatorTree_01.js
@@ -0,0 +1,22 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Test the HeapAnalyses{Client,Worker} "computeDominatorTree" request.
+
+function run_test() {
+  run_next_test();
+}
+
+add_task(function* () {
+  const client = new HeapAnalysesClient();
+
+  const snapshotFilePath = saveNewHeapSnapshot();
+  yield client.readHeapSnapshot(snapshotFilePath);
+  ok(true, "Should have read the heap snapshot");
+
+  const dominatorTreeId = yield client.computeDominatorTree(snapshotFilePath);
+  equal(typeof dominatorTreeId, "number",
+        "should get a dominator tree id, and it should be a number");
+
+  client.destroy();
+});