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-rw-r--r--dom/heapsnapshot/tests/unit/test_census-tree-node-03.js96
1 files changed, 96 insertions, 0 deletions
diff --git a/dom/heapsnapshot/tests/unit/test_census-tree-node-03.js b/dom/heapsnapshot/tests/unit/test_census-tree-node-03.js
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index 000000000..bdf932099
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+++ b/dom/heapsnapshot/tests/unit/test_census-tree-node-03.js
@@ -0,0 +1,96 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Tests CensusTreeNode with `objectClass` breakdown.
+ */
+
+const countBreakdown = { by: "count", count: true, bytes: true };
+
+const BREAKDOWN = {
+ by: "objectClass",
+ then: countBreakdown,
+ other: { by: "internalType", then: countBreakdown }
+};
+
+const REPORT = {
+ "Function": { bytes: 10, count: 10 },
+ "Array": { bytes: 100, count: 1 },
+ "other": {
+ "JIT::CODE::NOW!!!": { bytes: 20, count: 2 },
+ "JIT::CODE::LATER!!!": { bytes: 40, count: 4 }
+ }
+};
+
+const EXPECTED = {
+ name: null,
+ count: 0,
+ totalCount: 17,
+ bytes: 0,
+ totalBytes: 170,
+ children: [
+ {
+ name: "Array",
+ bytes: 100,
+ totalBytes: 100,
+ count: 1,
+ totalCount: 1,
+ children: undefined,
+ id: 3,
+ parent: 1,
+ reportLeafIndex: 2,
+ },
+ {
+ name: "other",
+ count: 0,
+ totalCount: 6,
+ bytes: 0,
+ totalBytes: 60,
+ children: [
+ {
+ name: "JIT::CODE::LATER!!!",
+ bytes: 40,
+ totalBytes: 40,
+ count: 4,
+ totalCount: 4,
+ children: undefined,
+ id: 6,
+ parent: 4,
+ reportLeafIndex: 5,
+ },
+ {
+ name: "JIT::CODE::NOW!!!",
+ bytes: 20,
+ totalBytes: 20,
+ count: 2,
+ totalCount: 2,
+ children: undefined,
+ id: 5,
+ parent: 4,
+ reportLeafIndex: 4,
+ },
+ ],
+ id: 4,
+ parent: 1,
+ reportLeafIndex: undefined,
+ },
+ {
+ name: "Function",
+ bytes: 10,
+ totalBytes: 10,
+ count: 10,
+ totalCount: 10,
+ children: undefined,
+ id: 2,
+ parent: 1,
+ reportLeafIndex: 1,
+ },
+ ],
+ id: 1,
+ parent: undefined,
+ reportLeafIndex: undefined,
+};
+
+function run_test() {
+ compareCensusViewData(BREAKDOWN, REPORT, EXPECTED);
+}