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-rw-r--r--dom/base/test/browser_data_documents_aboutmemory.js20
1 files changed, 20 insertions, 0 deletions
diff --git a/dom/base/test/browser_data_documents_aboutmemory.js b/dom/base/test/browser_data_documents_aboutmemory.js
new file mode 100644
index 0000000000..5c534a83b6
--- /dev/null
+++ b/dom/base/test/browser_data_documents_aboutmemory.js
@@ -0,0 +1,20 @@
+add_task(async function () {
+ const doc = new DOMParser().parseFromString("<p>dadada</p>", "text/html");
+
+ let mgr = Cc["@mozilla.org/memory-reporter-manager;1"].getService(
+ Ci.nsIMemoryReporterManager
+ );
+
+ let amount = 0;
+ const handleReport = (aProcess, aPath, aKind, aUnits, aAmount) => {
+ const regex = new RegExp(".*/window-objects/.*/data-documents/.*");
+ if (regex.test(aPath)) {
+ amount += aAmount;
+ }
+ };
+
+ await new Promise(r =>
+ mgr.getReports(handleReport, null, r, null, /* anonymized = */ false)
+ );
+ ok(amount > 0, "Got data documents amount");
+});