1 files changed, 105 insertions, 0 deletions
diff --git a/devtools/shared/heapsnapshot/tests/xpcshell/test_census_filtering_04.js b/devtools/shared/heapsnapshot/tests/xpcshell/test_census_filtering_04.js
new file mode 100644
index 0000000000..7e37b2c5da
--- /dev/null
+++ b/devtools/shared/heapsnapshot/tests/xpcshell/test_census_filtering_04.js
@@ -0,0 +1,105 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+// Test the filtered nodes' counts and bytes are the same as they were when
+// unfiltered.
+
+function run_test() {
+  const COUNT = { by: "count", count: true, bytes: true };
+  const INTERNAL_TYPE = { by: "internalType", then: COUNT };
+
+  const BREAKDOWN = {
+    by: "coarseType",
+    objects: { by: "objectClass", then: COUNT, other: COUNT },
+    strings: COUNT,
+    scripts: {
+      by: "filename",
+      then: INTERNAL_TYPE,
+      noFilename: INTERNAL_TYPE,
+    },
+    other: INTERNAL_TYPE,
+    domNode: { by: "descriptiveType", then: COUNT, other: COUNT },
+  };
+
+  const REPORT = {
+    objects: {
+      Function: {
+        count: 7,
+        bytes: 70,
+      },
+      Array: {
+        count: 6,
+        bytes: 60,
+      },
+    },
+    scripts: {
+      "http://mozilla.github.io/pdf.js/build/pdf.js": {
+        "js::LazyScript": {
+          count: 4,
+          bytes: 40,
+        },
+      },
+    },
+    strings: {
+      count: 2,
+      bytes: 20,
+    },
+    other: {
+      "js::Shape": {
+        count: 1,
+        bytes: 10,
+      },
+    },
+    domNode: {},
+  };
+
+  const EXPECTED = {
+    name: null,
+    bytes: 0,
+    totalBytes: 200,
+    count: 0,
+    totalCount: 20,
+    parent: undefined,
+    children: [
+      {
+        name: "objects",
+        bytes: 0,
+        totalBytes: 130,
+        count: 0,
+        totalCount: 13,
+        children: [
+          {
+            name: "Function",
+            bytes: 70,
+            totalBytes: 70,
+            count: 7,
+            totalCount: 7,
+            id: 14,
+            parent: 13,
+            children: undefined,
+            reportLeafIndex: 2,
+          },
+          {
+            name: "Array",
+            bytes: 60,
+            totalBytes: 60,
+            count: 6,
+            totalCount: 6,
+            id: 15,
+            parent: 13,
+            children: undefined,
+            reportLeafIndex: 3,
+          },
+        ],
+        id: 13,
+        parent: 12,
+        reportLeafIndex: undefined,
+      },
+    ],
+    id: 12,
+    reportLeafIndex: undefined,
+  };
+
+  compareCensusViewData(BREAKDOWN, REPORT, EXPECTED, { filter: "objects" });
+}