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-rw-r--r--dom/heapsnapshot/tests/unit/test_census-tree-node-05.js145
1 files changed, 145 insertions, 0 deletions
diff --git a/dom/heapsnapshot/tests/unit/test_census-tree-node-05.js b/dom/heapsnapshot/tests/unit/test_census-tree-node-05.js
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+++ b/dom/heapsnapshot/tests/unit/test_census-tree-node-05.js
@@ -0,0 +1,145 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Tests CensusTreeNode with `allocationStack` => `objectClass` breakdown.
+ */
+
+function run_test() {
+ const countBreakdown = { by: "count", count: true, bytes: true };
+
+ const BREAKDOWN = {
+ by: "allocationStack",
+ then: {
+ by: "objectClass",
+ then: countBreakdown,
+ other: countBreakdown
+ },
+ noStack: countBreakdown,
+ };
+
+ let stack;
+
+ (function a() {
+ (function b() {
+ (function c() {
+ stack = saveStack(3);
+ }());
+ }());
+ }());
+
+ const REPORT = new Map([
+ [stack, { Foo: { bytes: 10, count: 1 },
+ Bar: { bytes: 20, count: 2 },
+ Baz: { bytes: 30, count: 3 },
+ other: { bytes: 40, count: 4 }
+ }],
+ ["noStack", { bytes: 50, count: 5 }],
+ ]);
+
+ const EXPECTED = {
+ name: null,
+ bytes: 0,
+ totalBytes: 150,
+ count: 0,
+ totalCount: 15,
+ children: [
+ {
+ name: stack.parent.parent,
+ bytes: 0,
+ totalBytes: 100,
+ count: 0,
+ totalCount: 10,
+ children: [
+ {
+ name: stack.parent,
+ bytes: 0,
+ totalBytes: 100,
+ count: 0,
+ totalCount: 10,
+ children: [
+ {
+ name: stack,
+ bytes: 0,
+ totalBytes: 100,
+ count: 0,
+ totalCount: 10,
+ children: [
+ {
+ name: "other",
+ bytes: 40,
+ totalBytes: 40,
+ count: 4,
+ totalCount: 4,
+ children: undefined,
+ id: 8,
+ parent: 4,
+ reportLeafIndex: 5,
+ },
+ {
+ name: "Baz",
+ bytes: 30,
+ totalBytes: 30,
+ count: 3,
+ totalCount: 3,
+ children: undefined,
+ id: 7,
+ parent: 4,
+ reportLeafIndex: 4,
+ },
+ {
+ name: "Bar",
+ bytes: 20,
+ totalBytes: 20,
+ count: 2,
+ totalCount: 2,
+ children: undefined,
+ id: 6,
+ parent: 4,
+ reportLeafIndex: 3,
+ },
+ {
+ name: "Foo",
+ bytes: 10,
+ totalBytes: 10,
+ count: 1,
+ totalCount: 1,
+ children: undefined,
+ id: 5,
+ parent: 4,
+ reportLeafIndex: 2,
+ },
+ ],
+ id: 4,
+ parent: 3,
+ reportLeafIndex: undefined,
+ }
+ ],
+ id: 3,
+ parent: 2,
+ reportLeafIndex: undefined,
+ }
+ ],
+ id: 2,
+ parent: 1,
+ reportLeafIndex: undefined,
+ },
+ {
+ name: "noStack",
+ bytes: 50,
+ totalBytes: 50,
+ count: 5,
+ totalCount: 5,
+ children: undefined,
+ id: 9,
+ parent: 1,
+ reportLeafIndex: 6,
+ },
+ ],
+ id: 1,
+ parent: undefined,
+ reportLeafIndex: undefined,
+ };
+
+ compareCensusViewData(BREAKDOWN, REPORT, EXPECTED);
+}